PLEXOS 8.300 Release Notes
- Important Changes
- Upgrade Compatibility
- General Changes
- Major Features
- New Attributes
- New Input Properties
- New Reporting Properties
- Released
- 18th November 2020
- Previous Version
- 8.2
- Next Version
- 8.4
1. Important Changes
It is strongly advised that the following changes be reviewed, as they could potentially affect your datasets and simulations:
- The Constraint "borrow and repay" functionality has been extended to more constraint types. Previously this feature was only applied to energy constraints.
- Due to solver upgrades and minor formulation improvements in PASA, different outage patterns may be produced, using the same random number seeds.
- The number of loss tranches used for Transformers is now correctly using half the amount, compared to previous versions.
- The Typical Week feature has been enhanced to automatically determine which week should be used from each month.
2. Upgrade Compatibility
This version will automatically upgrade any previous Version 5-8 database. You may need to check the upgrade notes of earlier releases for any compatibility issues.
If you experience any problems during upgrade contact Energy Exemplar Support.
If your simulations run differently or slower in this version, also seek support and we will assist with the upgrade process.
3. General Changes
3.1. Solver updates
The following solvers were updated as part of this updated release.
| Solver | Version |
|---|---|
| Gurobi | 9.5.1 |
Updated solvers to the latest version (at the time of development). Please see above.
3.2. Performance Improvements
General code refactoring and enhancements were made to improve the overall performance of the key process of the simulation:
- Compiled file stage - i.e. the "Model Initialize" stage
- The problem formulation setup
- Formulation modifications
- Solution output calculations
4. Major Features
4.1. Power2X
Models the creation of hydrogen gas from excess renewable power in which the gas can be stored, burned, or injected into the gas network. PLEXOS allows the Power2X object to interconnect water, power, and gas allowing the user to model all aspects of this new emerging technology.
Please see the Power2x Modelling article for more information.
4.2. Multi-Objective Optimization
Allows the user to model problems where optimal decisions need to be taken in the presence of trade-offs between two or more conflicting objectives. PLEXOS now has the capability to model a series of objective functions that can be prioritized, blended, or shifted throughout the run horizon. This feature can be invoked through the new Objective class.
Please see the Multi-Objective Modelling article for more information.
4.3. Vehicle to Grid
Vehicle to grid captures the impacts of vehicle battery storage/discharge on the grid.
4.4. Heat Storage Class
For modeling thermal energy storage technologies in heat models. Heat Storage is used to store thermal energy for later use in heating applications.
4.5. Nonlinear Constraints
Enhanced flexibility added to allow users to specify nonlinear relationships between variables that PLEXOS will convert automatically into piecewise linear constraints.
4.6. Reliability Class
The Reliability class provides improved functionality to do reliability studies such as Equivalent Firm Capacity evaluation.
4.7. Memberships Between Phases and Settings Objects
Memberships are now allowed between LT Plan/PASA/MT Schedule/ST Schedule and the settings objects Production/Transmission/Competition/Performance/Diagnostic.
The new memberships override settings provided by the Model memberships and allows more flexibility in changing settings between phases.
4.8. Citygate Gas Accounting
The new Citygate accounting logic uses a robust and unbiased algorithm to calculate the average cost of a unit of gas at each node based on the operation of gas storages, contracts, fields, and pipelines. The logic also determines the allocation of all gas sources to sinks to track how gas moved through the system.
For details and an example, see the Citygate Pricing article.
4.9. Other Gas Enhancements
4.9.1. New Gas Storage Outputs & Carrying Cost
In conjunction with the Citygate accounting logic, Initial Inventory Value and Ending Inventory Value outputs were added for Gas Storage.
4.9.2. New Gas Outputs Gas Zone Classes
Several new Gas Zone outputs were added including Total Variable costs, Supply Total Commodity Costs, Served Demand, and Total Reservation Costs.
4.9.3. More Flexibility Defining Ratchet Data for Gas Storages
A new input parameter for Gas Storage objects offers a more intuitive way to input storage ratchet data.
4.9.4. Dispatch Prices Properties For Gas Contract, Storage, Plant, and Field
New dispatch price inputs allow the user to specify different costs for the optimization than are used for the post processing accounting.
4.9.5. Monthly Reservation Charge
Reservation charges in the input are now assumed to be monthly. Calculations were updated.
4.9.6. Gas Contract Node Adder
The new Price Adder input on the Gas Contract.Gas Node membership allows users to differentiate costs by node for the same contract. Additional Gas Node level reporting for contracts was also added.
4.9.7. Gas Contract Using Percent of Demand for MDQ
An additional Gas Contract property allows the flexibility to define the contract MDQ based on demand.
4.9.8. 3rd Party Supply
Several new properties and memberships were added to easily model the impact of a 3rd party supply in the gas network using the Company class.
4.9.9. Min/Max Gas Storage Targets
Storage targets can now be easily specified as a % of Max Volume. This obviates need for custom constraints to enforce storage targets.
4.9.10. Multi-Node Gas Storage
Gas Storage now supports specification of multiple nodes as injection and withdrawal points.
4.10. UI Enhancements
4.10.1. Enhanced Solution Views
The Solution Views window has been significantly enhanced making it easier to set up and work with solution views.
This addition includes:
- Run Solution Views - A new "Run Solution Views" column in the Execute window that allows a user to select which solution views are run when a solution database is loaded.
- Solution Views Ribbon - When a Solution Database is loaded,a green contextual ribbon will appear containing actions for solution views such as New, Open, Save, etc.
For a more detailed description, see the Solution Views article.
4.10.2. Stacked Axes Viewing - UI solution view
A chart with multiple series, representing different objects, can be displayed as a series of smaller charts on the same tab, using the "Stacked Axes" feature. This option can be found in the charting ribbon menu.
5. New Attributes
New attributes are:
| Class | Name | Description |
|---|---|---|
| Competition | Non Price Setting Enabled | If non-price setting plant should be fixed prior to the final price calculation |
| Diagnostic | IIS | Compute the irreducibly inconsistent set (IIS) for each infeasibility and write to disk in text format |
| LT Plan | Co-optimize Unit Commitment | If unit commitment is co-optimized rather than sequentially optimized with expansion |
| LT Plan | Heat Rate Detail | Level of detail for Generator heat rate modelling |
| LT Plan | Sample Year Count | For [Chronology] = "Sampled", first select this many years then sample within only those years. |
| LT Plan | Transmission Detail | Level of detail used in transmission modeling in LT Plan |
| Model | Objective Absolute Tolerance | Allowable degradation for the objective when doing hierarchical multi-objective optimization for MIP models |
| Model | Objective Priority | Priority of the objective when doing hierarchical multi-objective optimization |
| Model | Objective Relative Tolerance | Allowable relative degradation for the objective when doing hierarchical multi-objective optimization for MIP models |
| Model | Objective Weight | Weight of the objective when doing blended multi-objective optimization |
| MT Schedule | Heat Rate Detail | Level of detail for Generator heat rate modelling |
| MT Schedule | Stochastic Algorithm | Algorithm invoked by the Stochastic Method when a scenario tree is present |
| PASA | Transmission Detail | Definition of maintenance area for PASA |
| Production | Cooling States Enabled | If generator unit cooling states are enabled |
| Production | Heat Rate Detail | Level of detail for Generator heat rate modelling |
| Production | Run Up and Down Enabled | If generator run up and run down are modeled |
| Production | Start and Stop Enabled | If generator start up and shut down are modeled |
| Production | Transitions Enabled | If generator transitions are modeled |
| ST Schedule | Heat Rate Detail | Level of detail for Generator heat rate modelling |
| ST Schedule | Step Relink | Relink the solutions of parallel days within each week |
| Transmission | Calculate Node LPF from Load | Automatically calculate Node LPF from input Load property |
| Transmission | Detail | Level of detail used in transmission modeling |
| Transmission | LODF Threshold | Minimum absolute value of LODF to be used in contingency flow constraints. |
6. New Input Properties
New input properties are:
| Collection | Name | Description |
|---|---|---|
| Charging Stations | Charge Efficiency | Efficiency of charging |
| Charging Stations | Deferment Period | Length of time load is deferred where zero means one interval |
| Charging Stations | Deferrable Load | Proportion of charging load that can be deferred |
| Charging Stations | Discharge Efficiency | Efficiency of discharging |
| Charging Stations | Fixed Generation | Fixed generation across all units |
| Charging Stations | Fixed Load | Fixed charging load across all units |
| Charging Stations | Max Charge Rate | Maximum charge rate |
| Charging Stations | Max Discharge Rate | Maximum discharge rate |
| Charging Stations | Max Generation | Maximum generation across all units |
| Charging Stations | Max Load | Maximum charging load across all units |
| Charging Stations | Min Generation | Minimum generation across all units |
| Charging Stations | Min Load | Minimum charging load across all units |
| Charging Stations | Units | Number of chargers |
| Charging Stations | UoS Charge | Use of system charge |
| Constraint.Gas Contracts | Units Built in Year Coefficient | Coefficient of number of units built in the year |
| Constraint.Gas Contracts | Units Retired in Year Coefficient | Coefficient of number of units retired in the year |
| Constraint.Heat Storages | End Heat Coefficient | Coefficient of storage end heat. |
| Constraint.Heat Storages | Injection Coefficient | Coefficient of heat storage injection |
| Constraint.Heat Storages | Withdrawal Coefficient | Coefficient of heat storage withdrawal |
| Constraint.Power2X | Build Cost Coefficient | Coefficient of total build cost |
| Constraint.Power2X | Built Coefficient | Coefficient on binary variable indicating if any generation capacity is built to date |
| Constraint.Power2X | Built in Year Coefficient | Coefficient on binary variable indicating if any generation capacity is built in the year |
| Constraint.Power2X | Capacity Built Coefficient | Coefficient of capacity built |
| Constraint.Power2X | Installed Capacity Coefficient | Coefficient of installed capacity |
| Constraint.Power2X | Load Coefficient | Coefficient of load drawn by the facility |
| Constraint.Power2X | Lower Reserve Provision Coefficient | Coefficient of lower reserve provision |
| Constraint.Power2X | Production Coefficient | Coefficient of facility production |
| Constraint.Power2X | Raise Reserve Provision Coefficient | Coefficient of raise reserve provision |
| Constraint.Power2X | Regulation Lower Reserve Provision Coefficient | Coefficient of regulation lower reserve provision |
| Constraint.Power2X | Regulation Raise Reserve Provision Coefficient | Coefficient of regulation raise reserve provision |
| Constraint.Power2X | Replacement Reserve Provision Coefficient | Coefficient of replacement reserve provision |
| Constraint.Power2X | Reserve Provision Coefficient | Coefficient of total reserve provision (from all types) |
| Constraint.Power2X | Units Built Coefficient | Coefficient of number of units built |
| Constraint.Power2X | Units Built in Year Coefficient | Coefficient of number of units built in the year |
| Constraint.Power2X | Units Operating Coefficient | Coefficient on the number of units operating |
| Fleet.Companies | Share | Company ownership share of the Fleet |
| Gas Contract.Companies | Averaging Start Period | Indicates if the period is a start period for Demand Share |
| Gas Contract.Companies | Demand Share | Supply provided to the company based on the company gas demand |
| Gas Contract.Companies | Direct Supply | Supply provided to the company |
| Gas Contract.Gas Nodes | Price Adder | Price adder to gas nodes in contract |
| Gas Contracts | Dispatch Price | Dispatch Price of gas contract |
| Gas Contracts | Percentage of Demand | Percentage that maximum daily take value (supply) will be adjusted according to |
| Gas Contracts | Retirement Contract | Indicates if Gas Contract is eligible for retirement planning |
| Gas Demand.Companies | Customer Count | Customer count used to calculate company's share of gas demand |
| Gas Demand.Companies | Direct Demand | Company's amount of direct gas demand |
| Gas Demands | Excess Level | Level corresponding to the Excess Price |
| Gas Demands | Shortage Level | Level corresponding to the Shortage Price |
| Gas Fields | Dispatch Production Cost | Incremental dispatch cost of extracting gas from the field |
| Gas Fields | Reset Production Volumes | If the production volumes should be reset in the current period. |
| Gas Fields | Use Additive Ratchet | If additive ratchet use is enforced. |
| Gas Pipelines | Flow Charge Back Level | Level corresponding to Flow Charge Back |
| Gas Pipelines | Flow Charge Level | Level corresponding to Flow Charge |
| Gas Plants | Dispatch Processing Charge | This replaces the processing charge for the optimization, but on the output side the Processing Charge is used in the cost calculations. |
| Gas Storage.Gas Nodes | Node Type | If injections are allowed on the node |
| Gas Storages | Dispatch Withdrawal Charge | Incremental dispatch cost of withdrawing gas from the storage |
| Gas Storages | Initial Inventory Price | Price linked to initial inventory |
| Gas Storages | Max Storage Target Percent | Max Storage Target Percent for gas storage |
| Gas Storages | Min Storage Target Percent | Min Storage Target Percent for gas storage |
| Gas Storages | Use Additive Ratchet | If additive ratchet use is enforced. |
| Globals | Sampled Year | Year selection for LT Plan. Sampling will occur only for selected years. |
| Heat Storages | Balance Period | Frequency of storage balance |
| Heat Storages | Dump Heat Penalty | Penalty applied to dump heat from the storage. A value of -1 means dump is not allowed. |
| Heat Storages | End Effects Method | Method used to value or constrain end-of-period heat volumes. |
| Heat Storages | Heat Injection Charge | Incremental cost of injecting heat into the storage |
| Heat Storages | Heat Injection Efficiency | Efficiency of heat injection |
| Heat Storages | Heat Loss | Rate at which heat is lost from storage |
| Heat Storages | Heat Withdrawal Charge | Incremental cost of withdrawing heat from the storage |
| Heat Storages | Heat Withdrawal Efficiency | Efficiency of heat withdrawal |
| Heat Storages | Initial Heat | Initial heat in the storage |
| Heat Storages | Max Heat | Maximum heat allowed in storage |
| Heat Storages | Max Heat Injection | Maximum amount of heat that can be injected into the storage |
| Heat Storages | Max Heat Injection Day | Maximum amount of heat that can be injected into the storage in a day |
| Heat Storages | Max Heat Injection Hour | Maximum amount of heat that can be injected into the storage in a hour |
| Heat Storages | Max Heat Injection Month | Maximum amount of heat that can be injected into the storage in a month |
| Heat Storages | Max Heat Injection Week | Maximum amount of heat that can be injected into the storage in a week |
| Heat Storages | Max Heat Injection Year | Maximum amount of heat that can be injected into the storage in a year |
| Heat Storages | Max Heat Withdrawal | Maximum amount of heat that can be withdrawn from the storage |
| Heat Storages | Max Heat Withdrawal Day | Maximum amount of heat that can be withdrawn from the storage in a day |
| Heat Storages | Max Heat Withdrawal Hour | Maximum amount of heat that can be withdrawn from the storage in a hour |
| Heat Storages | Max Heat Withdrawal Month | Maximum amount of heat that can be withdrawn from the storage in a month |
| Heat Storages | Max Heat Withdrawal Week | Maximum amount of heat that can be withdrawn from the storage in a week |
| Heat Storages | Max Heat Withdrawal Year | Maximum amount of heat that can be withdrawn from the storage in a year |
| Heat Storages | Min Heat | Minimum heat allowed in storage |
| Heat Storages | Min Heat Injection | Amount of heat that must be injected into the storage |
| Heat Storages | Min Heat Injection Day | Amount of heat that must be injected into the storage each day |
| Heat Storages | Min Heat Injection Hour | Amount of heat that must be injected into the storage each hour |
| Heat Storages | Min Heat Injection Month | Amount of heat that must be injected into the storage each month |
| Heat Storages | Min Heat Injection Week | Amount of heat that must be injected into the storage each week |
| Heat Storages | Min Heat Injection Year | Amount of heat that must be injected into the storage each year |
| Heat Storages | Min Heat Withdrawal | Amount of heat that must be withdrawn from storage |
| Heat Storages | Min Heat Withdrawal Day | Amount of heat that must be withdrawn from storage each day |
| Heat Storages | Min Heat Withdrawal Hour | Amount of heat that must be withdrawn from storage each hour |
| Heat Storages | Min Heat Withdrawal Month | Amount of heat that must be withdrawn from storage each month |
| Heat Storages | Min Heat Withdrawal Week | Amount of heat that must be withdrawn from storage each week |
| Heat Storages | Min Heat Withdrawal Year | Amount of heat that must be withdrawn from storage each year |
| Heat Storages | Target | storage target |
| Heat Storages | Target Day | end of day storage target |
| Heat Storages | Target Hour | end of hour storage target |
| Heat Storages | Target Month | end of month storage target |
| Heat Storages | Target Penalty | Penalty for violating the target. |
| Heat Storages | Target Week | end of week storage target |
| Heat Storages | Target Year | end of year storage target |
| Heat Storages | Units | Flag if the Gas Storage is in service |
| Nonlinear Constraints | Constant Term | Constant Term |
| Nonlinear Constraints | Max Tranches | Number of tranches to be used for piece-wise linear approximation |
| Nonlinear Constraints | Polynomial Coefficients | Coefficients defining the polynomial |
| Nonlinear Constraints | Sense | Constraint sense (≤,=,≥) |
| Objective.Abatements | Abatement Coefficient | Coefficient of emissions abated |
| Objective.Abatements | Operating Hours Coefficient | Coefficient of number of hours the emission abatement technology is running |
| Objective.Batteries | Age Coefficient | Coefficient on the number of years since the expansion candidate was built |
| Objective.Batteries | Build Cost Coefficient | Coefficient of total build cost |
| Objective.Batteries | Built Coefficient | Coefficient on binary variable indicating if any battery capacity is built to date |
| Objective.Batteries | Built in Year Coefficient | Coefficient on binary variable indicating if any battery capacity is built in the year |
| Objective.Batteries | Capacity Built Coefficient | Coefficient of capacity built |
| Objective.Batteries | Capacity Reserves Coefficient | Coefficient of battery contribution to capacity reserves |
| Objective.Batteries | Capacity Retired Coefficient | Coefficient of capacity retired |
| Objective.Batteries | Cycles Coefficient | Coefficient of cycles |
| Objective.Batteries | Energy Coefficient | Coefficient of energy stored in the BESS |
| Objective.Batteries | Generation Coefficient | Coefficient of generation |
| Objective.Batteries | Load Coefficient | Coefficient of load obligation |
| Objective.Batteries | Lower Reserve Provision Coefficient | Coefficient of lower reserve provision |
| Objective.Batteries | Operating Reserve Units Coefficient | Coefficient of the number of units providing operating reserves |
| Objective.Batteries | Pump Dispatchable Load Coefficient | Coefficient of pump dispatchable load reserve |
| Objective.Batteries | Raise Reserve Provision Coefficient | Coefficient of raise reserve provision |
| Objective.Batteries | Ramp Coefficient | Coefficient of ramp |
| Objective.Batteries | Ramp Down Coefficient | Coefficient of ramp down |
| Objective.Batteries | Ramp Down Violation Coefficient | Coefficient of max ramp down violation |
| Objective.Batteries | Ramp Up Coefficient | Coefficient of ramp up |
| Objective.Batteries | Ramp Up Violation Coefficient | Coefficient of max ramp up violation |
| Objective.Batteries | Regulation Lower Reserve Provision Coefficient | Coefficient of regulation lower reserve provision |
| Objective.Batteries | Regulation Raise Reserve Provision Coefficient | Coefficient of regulation raise reserve provision |
| Objective.Batteries | Replacement Reserve Provision Coefficient | Coefficient of replacement reserve provision |
| Objective.Batteries | Reserve Provision Coefficient | Coefficient of total reserve provision (from all types) |
| Objective.Batteries | Reserve Units Coefficient | Coefficient of the number of units providing reserves |
| Objective.Batteries | Spinning Reserve Coefficient | Coefficient of reserve provided by spare capacity |
| Objective.Batteries | Units Built Coefficient | Coefficient of number of units built |
| Objective.Batteries | Units Built in Year Coefficient | Coefficient of number of units built in the year |
| Objective.Batteries | Units Retired Coefficient | Coefficient of number of units retired |
| Objective.Batteries | Units Retired in Year Coefficient | Coefficient of number of units retired in the year |
| Objective.Companies | Committed Capacity Coefficient | Coefficient of company committed generation capacity |
| Objective.Companies | Contract Volume Coefficient | Coefficient of company contract volume |
| Objective.Companies | Generation Coefficient | Coefficient of company generation |
| Objective.Decision Variables | Value Coefficient | Coefficient of Decision Variable value |
| Objective.Decision Variables | Value Squared Coefficient | Coefficient of Decision Variable value squared |
| Objective.Emissions | Abatement Coefficient | Coefficient of emissions abated |
| Objective.Emissions | Production Coefficient | Coefficient of emissions produced |
| Objective.Flow Controls | Angle Coefficient | Coefficient of flow control angle |
| Objective.Flow Controls | Negative Angle Coefficient | Boolean value (1 if the flow control angle is negative, 0 otherwise) |
| Objective.Flow Controls | Positive Angle Coefficient | Boolean value (1 if the flow control angle is positive, 0 otherwise) |
| Objective.Flow Controls | Units Built Coefficient | Coefficient of number of units built |
| Objective.Fuel Contracts | Offtake Coefficient | Coefficient of fuel contract offtake |
| Objective.Fuels | Closing Inventory Coefficient | Coefficient of fuel stockpile closing inventory |
| Objective.Fuels | Delivery Coefficient | Coefficient of delivery to fuel stockpile |
| Objective.Fuels | Emission Coefficient | Coefficient of fuel emission |
| Objective.Fuels | Generation Coefficient | Coefficient of generation with given fuel |
| Objective.Fuels | In Use Coefficient | Boolean value (1 if the Fuel is in use, 0 otherwise) |
| Objective.Fuels | Inventory Change Coefficient | Coefficient of change in fuel stockpile level |
| Objective.Fuels | Offtake Coefficient | Coefficient of fuel offtake |
| Objective.Fuels | Withdrawal Coefficient | Coefficient of withdrawal from fuel stockpile |
| Objective.Gas Basins | Production Coefficient | Coefficient of gas basin production |
| Objective.Gas Basins | Units Built Coefficient | Coefficient of number of gas field units built |
| Objective.Gas Basins | Units Built in Year Coefficient | Coefficient of number of gas field units built in the year |
| Objective.Gas Contracts | Production Coefficient | Coefficient of gas contract production |
| Objective.Gas Contracts | Units Built Coefficient | Coefficient of number of units built |
| Objective.Gas Contracts | Units Retired Coefficient | Coefficient of number of units retired |
| Objective.Gas Fields | End Volume Coefficient | Coefficient of gas field end volume |
| Objective.Gas Fields | Production Coefficient | Coefficient of gas field production |
| Objective.Gas Fields | Ramp Coefficient | Coefficient of change in gas field end volume |
| Objective.Gas Fields | Units Built Coefficient | Coefficient of number of units built |
| Objective.Gas Fields | Units Built in Year Coefficient | Coefficient of number of units built in the year |
| Objective.Gas Nodes | Flow Coefficient | Coefficient of gas node flow |
| Objective.Gas Nodes | Units Built Coefficient | Coefficient of number of units built |
| Objective.Gas Nodes | Units Built in Year Coefficient | Coefficient of number of units built in the year |
| Objective.Gas Nodes | Units Retired Coefficient | Coefficient of number of units retired |
| Objective.Gas Nodes | Units Retired in Year Coefficient | Coefficient of number of units retired in the year |
| Objective.Gas Pipelines | End Volume Coefficient | Coefficient of gas in storage |
| Objective.Gas Pipelines | Flow Back Coefficient | Coefficient of gas pipeline flow at the sending node |
| Objective.Gas Pipelines | Flow Coefficient | Coefficient of gas pipeline flow |
| Objective.Gas Pipelines | Flow Forward Coefficient | Coefficient of gas pipeline flow at the receiving node |
| Objective.Gas Pipelines | Units Built Coefficient | Coefficient of number of units built |
| Objective.Gas Pipelines | Units Built in Year Coefficient | Coefficient of number of units built in the year |
| Objective.Gas Pipelines | Units Retired Coefficient | Coefficient of number of units retired |
| Objective.Gas Pipelines | Units Retired in Year Coefficient | Coefficient of number of units retired in the year |
| Objective.Gas Plants | Build Cost Coefficient | Coefficient of total build cost |
| Objective.Gas Plants | Built Coefficient | Coefficient on binary variable indicating if any capacity is built to date |
| Objective.Gas Plants | Built in Year Coefficient | Coefficient on binary variable indicating if any capacity is built in the year |
| Objective.Gas Plants | Capacity Built Coefficient | Coefficient of capacity built |
| Objective.Gas Plants | Capacity Factor Coefficient | Coefficient of Gas Plant capacity factor |
| Objective.Gas Plants | Capacity Retired Coefficient | Coefficient of capacity retired |
| Objective.Gas Plants | Energy Usage Coefficient | Coefficient of energy usage of the Gas Plant |
| Objective.Gas Plants | Installed Capacity Coefficient | Coefficient of installed capacity |
| Objective.Gas Plants | Operating Hours Coefficient | Coefficient of number of hours of operation |
| Objective.Gas Plants | Production Coefficient | Coefficient of gas node production |
| Objective.Gas Plants | Units Built Coefficient | Coefficient of number of units built |
| Objective.Gas Plants | Units Built in Year Coefficient | Coefficient of number of units built in the year |
| Objective.Gas Plants | Units Retired Coefficient | Coefficient of number of units retired |
| Objective.Gas Plants | Units Retired in Year Coefficient | Coefficient of number of units retired in the year |
| Objective.Gas Storages | End Volume Coefficient | Coefficient of storage end volume |
| Objective.Gas Storages | Injection Coefficient | Coefficient of gas storage injection |
| Objective.Gas Storages | Ramp Coefficient | Coefficient of change in gas storage end volume |
| Objective.Gas Storages | Units Built Coefficient | Coefficient of number of units built |
| Objective.Gas Storages | Units Built in Year Coefficient | Coefficient of number of units built in the year |
| Objective.Gas Storages | Units Retired Coefficient | Coefficient of number of units retired |
| Objective.Gas Storages | Units Retired in Year Coefficient | Coefficient of number of units retired in the year |
| Objective.Gas Storages | Withdrawal Coefficient | Coefficient of gas storage withdrawal |
| Objective.Gas Transports | Shipments Coefficient | Coefficient of gas transport voyage count |
| Generator.Objectives | Age Coefficient | Coefficient on the number of years since the expansion candidate was built |
| Generator.Objectives | Available Capacity Coefficient | Coefficient of available capacity |
| Generator.Objectives | Build Cost Coefficient | Coefficient of total build cost |
| Generator.Objectives | Built Coefficient | Coefficient on binary variable indicating if any generation capacity is built to date |
| Generator.Objectives | Built in Year Coefficient | Coefficient on binary variable indicating if any generation capacity is built in the year |
| Generator.Objectives | Capacity Built Coefficient | Coefficient of capacity built |
| Generator.Objectives | Capacity Factor Coefficient | Coefficient of capacity factor. |
| Generator.Objectives | Capacity Reserves Coefficient | Coefficient of generator contribution to capacity reserves |
| Generator.Objectives | Capacity Retired Coefficient | Coefficient of capacity retired |
| Generator.Objectives | Committed Capacity Coefficient | Coefficient of committed capacity |
| Generator.Objectives | Emission Coefficient | Coefficient of emission production |
| Generator.Objectives | Firm Capacity Coefficient | Coefficient of capacity as measured by [Firm Capacity] |
| Generator.Objectives | Fixed Costs Coefficient | Coefficient of fixed costs |
| Generator.Objectives | Flexibility Down Coefficient | Coefficient of flexibility down |
| Generator.Objectives | Flexibility Up Coefficient | Coefficient of flexibility up |
| Generator.Objectives | Fuel Offtake Coefficient | Coefficient of fuel offtake |
| Generator.Objectives | Generation Coefficient | Coefficient of generation measured at the generator-terminal |
| Generator.Objectives | Generation Sent Out Coefficient | Coefficient of generation measured at the station gate |
| Generator.Objectives | Generation Squared Coefficient | Coefficient of the square of generation measured at the generator terminal |
| Generator.Objectives | Generation SUM Squared Coefficient | Coefficient of the square of the summed generation measured at the generator terminal |
| Generator.Objectives | Heat Production Coefficient | Coefficient of heat production |
| Generator.Objectives | Hours Down Coefficient | Coefficient of number of hours the generating unit has been off |
| Generator.Objectives | Injection Coefficient | Coefficient of generator heat injection |
| Generator.Objectives | Installed Capacity Coefficient | Coefficient of installed capacity |
| Generator.Objectives | Lower Reserve Provision Coefficient | Coefficient of lower reserve provision |
| Generator.Objectives | Maintenance Coefficient | Coefficient of capacity on maintenance |
| Generator.Objectives | Net Profit Coefficient | Coefficient of net profit |
| Generator.Objectives | Net Revenue Coefficient | Coefficient of net revenue |
| Generator.Objectives | Operating Hours Coefficient | Coefficient of number of hours of operation. |
| Generator.Objectives | Operating Reserve Units Coefficient | Coefficient of the number of units providing operating reserves |
| Generator.Objectives | Pool Revenue Coefficient | Coefficient of pool revenue |
| Generator.Objectives | Pump Dispatchable Load Coefficient | Coefficient of pump dispatchable load reserve |
| Generator.Objectives | Pump Load Coefficient | Coefficient of pump load |
| Generator.Objectives | Pump Operating Hours Coefficient | Coefficient of number of hours the generating unit is running in pump mode |
| Generator.Objectives | Pump Units Started Coefficient | Coefficient on the number of pump units started |
| Generator.Objectives | Raise Reserve Provision Coefficient | Coefficient of raise reserve provision |
| Generator.Objectives | Ramp Coefficient | Coefficient of ramp |
| Generator.Objectives | Ramp Down Coefficient | Coefficient of ramp down |
| Generator.Objectives | Ramp Down Violation Coefficient | Coefficient of max ramp down violation |
| Generator.Objectives | Ramp Flexibility Down Coefficient | Coefficient of ramp flexibility down |
| Generator.Objectives | Ramp Flexibility Up Coefficient | Coefficient of ramp flexibility up |
| Generator.Objectives | Ramp Up Coefficient | Coefficient of ramp up |
| Generator.Objectives | Ramp Up Violation Coefficient | Coefficient of max ramp up violation |
| Generator.Objectives | Rated Capacity Coefficient | Coefficient of capacity as measured by Rating |
| Generator.Objectives | Regulation Lower Reserve Provision Coefficient | Coefficient of regulation lower reserve provision |
| Generator.Objectives | Regulation Raise Reserve Provision Coefficient | Coefficient of regulation raise reserve provision |
| Generator.Objectives | Replacement Reserve Provision Coefficient | Coefficient of replacement reserve provision |
| Generator.Objectives | Reserve Provision Coefficient | Coefficient of total reserve provision (from all types) |
| Generator.Objectives | Reserve Units Coefficient | Coefficient of the number of units providing reserves |
| Generator.Objectives | Spinning Reserve Coefficient | Coefficient of reserve provided by spare capacity |
| Generator.Objectives | Start & Shutdown Cost Coefficient | Coefficient of start and shutdown cost |
| Generator.Objectives | Sync Cond Load Coefficient | Coefficient of synchronous condenser load |
| Generator.Objectives | Sync Cond Operating Hours Coefficient | Coefficient of number of hours the generating unit is running in synchronous condenser mode |
| Generator.Objectives | Sync Cond Reserve Coefficient | Coefficient of synchronous condenser reserve provision |
| Generator.Objectives | Units Built Coefficient | Coefficient of number of units built |
| Generator.Objectives | Units Built in Year Coefficient | Coefficient of number of units built in the year |
| Generator.Objectives | Units Generating Coefficient | Coefficient on the number of units generating |
| Generator.Objectives | Units Out Coefficient | Coefficient on the number of units out of service |
| Generator.Objectives | Units Pumping Coefficient | Coefficient on the number of units pumping |
| Generator.Objectives | Units Retired Coefficient | Coefficient of number of units retired |
| Generator.Objectives | Units Retired in Year Coefficient | Coefficient of number of units retired in the year |
| Generator.Objectives | Units Shutdown Coefficient | Coefficient on the number of units shutdown |
| Generator.Objectives | Units Started Coefficient | Coefficient on the number of units started |
| Generator.Objectives | Units Sync Cond Coefficient | Coefficient of number of units running in synchronous condenser mode |
| Generator.Objectives | Waste Heat Coefficient | Coefficient of waste heat |
| Generator.Objectives | Water Consumption Coefficient | Coefficient of generator water consumption |
| Generator.Objectives | Water Offtake Coefficient | Coefficient of generator water offtake |
| Generator.Objectives | Withdrawal Coefficient | Coefficient of generator heat withdrawal |
| Objective.Heat Nodes | Heat Flow Coefficient | Coefficient of heat flow through the heat node |
| Objective.Heat Plants | Fuel Offtake Coefficient | Coefficient of fuel offtake of the heat plant |
| Objective.Heat Plants | Heat Production Coefficient | Coefficient of heat production |
| Objective.Heat Plants | Units Generating Coefficient | Coefficient on the number of units generating |
| Objective.Heat Storages | End Heat Coefficient | Coefficient of storage end heat |
| Objective.Heat Storages | Injection Coefficient | Coefficient of heat storage injection |
| Objective.Heat Storages | Withdrawal Coefficient | Coefficient of heat storage withdrawal |
| Objective.Hubs | Generation Coefficient | Coefficient of hub generation |
| Objective.Hubs | Load Coefficient | Coefficient of hub load |
| Objective.Interfaces | Expansion Cost Coefficient | Coefficient of total expansion cost |
| Objective.Interfaces | Flow Back Coefficient | Coefficient of counter-reference direction flow |
| Objective.Interfaces | Flow Coefficient | Coefficient of flow |
| Objective.Interfaces | Flow Forward Coefficient | Coefficient of reference direction flow |
| Objective.Lines | Build Cost Coefficient | Coefficient of total build cost |
| Objective.Lines | Export Capacity Built Coefficient | Coefficient of export capacity built |
| Objective.Lines | Export Capacity Coefficient | Coefficient of export capacity |
| Objective.Lines | Export Capacity Retired Coefficient | Coefficient of export capacity retired |
| Objective.Lines | Flow Back Coefficient | Coefficient of counter-reference direction flow |
| Objective.Lines | Flow Coefficient | Coefficient of flow |
| Objective.Lines | Flow Forward Coefficient | Coefficient of reference direction flow |
| Objective.Lines | Flow Squared Coefficient | Coefficient of square of line flow |
| Objective.Lines | Flowing Back Coefficient | Boolean value (1 if the line is flowing in the counter-reference direction, 0 otherwise) |
| Objective.Lines | Flowing Forward Coefficient | Boolean value (1 if the line is flowing in the reference direction, 0 otherwise) |
| Objective.Lines | Import Capacity Built Coefficient | Coefficient of import capacity built |
| Objective.Lines | Import Capacity Coefficient | Coefficient of import capacity |
| Objective.Lines | Import Capacity Retired Coefficient | Coefficient of import capacity retired |
| Objective.Lines | Spare Export Capacity Coefficient | Coefficient on spare line capacity in the reference direction |
| Objective.Lines | Spare Import Capacity Coefficient | Coefficient on spare line capacity in the counter-reference direction |
| Objective.Lines | Units Built Coefficient | Coefficient of number of units built |
| Objective.Lines | Units Built in Year Coefficient | Coefficient of number of lines built in the year |
| Objective.Lines | Units Out Coefficient | Coefficient of units out |
| Objective.Lines | Units Retired Coefficient | Coefficient of number of units retired |
| Objective.Lines | Units Retired in Year Coefficient | Coefficient of number of lines retired in the year |
| Objective.Maintenances | Cost Coefficient | Coefficient of maintenance cost incurred |
| Objective.Maintenances | Crew Coefficient | Coefficient of maintenance event crew usage |
| Objective.Maintenances | Equipment Coefficient | Coefficient of maintenance event equipment usage |
| Objective.Maintenances | Hours Active Coefficient | Coefficient of number of hours the maintenance is active |
| Objective.Maintenances | Start Coefficient | Coefficient on the number of maintenances started |
| Objective.Maintenances | Start Hour Coefficient | Coefficient of the hour in the simulation the maintenance event started |
| Objective.Markets | Cost Coefficient | Coefficient of market purchase costs |
| Objective.Markets | Purchases Coefficient | Coefficient of market purchases |
| Objective.Markets | Revenue Coefficient | Coefficient of market sales revenues |
| Objective.Markets | Sales Coefficient | Coefficient of market sales |
| Objective.Nodes | Dump Energy Coefficient | Coefficient of dump energy (over generation) |
| Objective.Nodes | Generation Coefficient | Coefficient of node generation |
| Objective.Nodes | Load Coefficient | Coefficient of node load |
| Objective.Nodes | MLF Coefficient | Coefficient of marginal loss factor |
| Objective.Nodes | Net Injection Coefficient | Coefficient of node net injection |
| Objective.Nodes | Net Load Coefficient | Coefficient of load net of unserved and dump energy |
| Objective.Nodes | Phase Angle Coefficient | Coefficient of node phase angle |
| Objective.Nodes | Unserved Energy Coefficient | Coefficient of unserved energy |
| Objective.Physical Contracts | Build Cost Coefficient | Coefficient of total build cost |
| Objective.Physical Contracts | Generation Capacity Coefficient | Coefficient of total generation capacity contracted |
| Objective.Physical Contracts | Generation Coefficient | Coefficient of cleared generation offers |
| Objective.Physical Contracts | Load Coefficient | Coefficient of cleared load bids |
| Objective.Physical Contracts | Load Obligation Coefficient | Coefficient of total load obligation contracted |
| Objective.Physical Contracts | Units Generating Coefficient | Coefficient of 0,1 value indicating if the physical contracting is generating |
| Objective.Physical Contracts | Units Load Coefficient | Coefficient of 0,1 value indicating if the physical contracting is a load |
| Objective.Purchasers | Load Coefficient | Coefficient of purchaser demand |
| Objective.Purchasers | Load Obligation Coefficient | Coefficient of load obligation |
| Objective.Purchasers | Reserve Provision Coefficient | Coefficient of interruptible load provision |
| Objective.Regions | Capacity Reserves Coefficient | Coefficient of total capacity reserves |
| Objective.Regions | Committed Capacity Coefficient | Coefficient of generation capacity committed in the region |
| Objective.Regions | Dump Energy Coefficient | Coefficient of dump energy (over generation) |
| Objective.Regions | Export Capacity Built Coefficient | Coefficient of export capacity built |
| Objective.Regions | Export Capacity Coefficient | Coefficient of export capacity |
| Objective.Regions | Firm Capacity Coefficient | Coefficient of total generator [Firm Capacity] |
| Objective.Regions | Generation Capacity Built Coefficient | Coefficient of generation capacity built |
| Objective.Regions | Generation Capacity Coefficient | Coefficient of total generation capacity |
| Objective.Regions | Generation Capacity Retired Coefficient | Coefficient of generation capacity retired |
| Objective.Regions | Generation Coefficient | Coefficient of region generation |
| Objective.Regions | Generator Build Cost Coefficient | Coefficient of total cost of generator builds |
| Objective.Regions | Generators Built Coefficient | Coefficient on binary variable indicating if any generation capacity is built to date |
| Objective.Regions | Generators Built in Year Coefficient | Coefficient on binary variable indicating if any generation capacity is built in the year |
| Objective.Regions | Import Capacity Built Coefficient | Coefficient of import capacity built |
| Objective.Regions | Import Capacity Coefficient | Coefficient of import capacity |
| Objective.Regions | Load Coefficient | Coefficient of region load |
| Objective.Regions | Load Squared Coefficient | Coefficient of the square of region load |
| Objective.Regions | Net Load Coefficient | Coefficient of load net of unserved and dump energy |
| Objective.Regions | Peak Load Coefficient | Coefficient of annual peak load |
| Objective.Regions | Unserved Energy Coefficient | Coefficient of unserved energy |
| Objective.Reserves | Provision Coefficient | Coefficient of reserve provision |
| Objective.Reserves | Risk Coefficient | Coefficient of reserve requirement |
| Objective.Reserves | Shortage Coefficient | Coefficient of reserve shortage |
| Objective.Storages | End Level Coefficient | Coefficient of storage end level |
| Objective.Storages | End Volume Coefficient | Coefficient of storage end volume |
| Objective.Storages | Generator Release Coefficient | Coefficient of generator release |
| Objective.Storages | Hours Full Coefficient | Coefficient of the number of hours the storage is full |
| Objective.Storages | Inflow Coefficient | Coefficient of inflow |
| Objective.Storages | Loss Coefficient | Coefficient of the loss from the storage |
| Objective.Storages | Natural Inflow Coefficient | Coefficient of natural inflow |
| Objective.Storages | Ramp Coefficient | Coefficient of change in storage end volume |
| Objective.Storages | Release Coefficient | Coefficient of release |
| Objective.Storages | Spill Coefficient | Coefficient of spill |
| Objective.Transformers | Flow Coefficient | Coefficient of transformer flow equation |
| Objective.Variables | Error Coefficient | Coefficient of the variable sample error |
| Objective.Variables | Expected Value Coefficient | Coefficient of the variable expected value |
| Objective.Variables | Negative Error Coefficient | Coefficient of the negative sample error |
| Objective.Variables | Positive Error Coefficient | Coefficient of the positive sample error |
| Objective.Variables | Value Coefficient | Coefficient of the variable sample value |
| Objective.Water Nodes | Flow Coefficient | Coefficient of water node flow |
| Objective.Water Nodes | Units Built Coefficient | Coefficient of number of units built |
| Objective.Water Nodes | Units Built in Year Coefficient | Coefficient of number of units built in the year |
| Objective.Water Nodes | Units Retired Coefficient | Coefficient of number of units retired |
| Objective.Water Nodes | Units Retired in Year Coefficient | Coefficient of number of units retired in the year |
| Objective.Water Pipelines | Flow Back Coefficient | Coefficient of Water Pipeline flow at the sending node |
| Objective.Water Pipelines | Flow Coefficient | Coefficient of Water Pipeline flow |
| Objective.Water Pipelines | Flow Forward Coefficient | Coefficient of Water Pipeline flow at the receiving node |
| Objective.Water Pipelines | Units Built Coefficient | Coefficient of number of units built |
| Objective.Water Pipelines | Units Built in Year Coefficient | Coefficient of number of units built in the year |
| Objective.Water Pipelines | Units Retired Coefficient | Coefficient of number of units retired |
| Objective.Water Pipelines | Units Retired in Year Coefficient | Coefficient of number of units retired in the year |
| Objective.Water Plants | Build Cost Coefficient | Coefficient of total build cost |
| Objective.Water Plants | Built Coefficient | Coefficient on binary variable indicating if any capacity is built to date |
| Objective.Water Plants | Built in Year Coefficient | Coefficient on binary variable indicating if any capacity is built in the year |
| Objective.Water Plants | Capacity Built Coefficient | Coefficient of capacity built |
| Objective.Water Plants | Capacity Factor Coefficient | Coefficient of Water Plant capacity factor |
| Objective.Water Plants | Capacity Retired Coefficient | Coefficient of capacity retired |
| Objective.Water Plants | Energy Usage Coefficient | Coefficient of energy usage of the Water Plant |
| Objective.Water Plants | Installed Capacity Coefficient | Coefficient of installed capacity |
| Objective.Water Plants | Operating Hours Coefficient | Coefficient of number of hours of operation |
| Objective.Water Plants | Production Coefficient | Coefficient of Water Plant Production |
| Objective.Water Plants | Units Built Coefficient | Coefficient of number of units built |
| Objective.Water Plants | Units Built in Year Coefficient | Coefficient of number of units built in the year |
| Objective.Water Plants | Units Retired Coefficient | Coefficient of number of units retired |
| Objective.Water Plants | Units Retired in Year Coefficient | Coefficient of number of units retired in the year |
| Objective.Water Storages | End Volume Coefficient | Coefficient of storage end volume |
| Objective.Water Storages | Inflow Coefficient | Coefficient of water inflow |
| Objective.Water Storages | Natural Inflow Coefficient | Coefficient of natural inflow |
| Objective.Water Storages | Ramp Coefficient | Coefficient of change in water storage end volume |
| Objective.Water Storages | Release Coefficient | Coefficient of water release |
| Objective.Water Storages | Units Built Coefficient | Coefficient of number of units built |
| Objective.Water Storages | Units Built in Year Coefficient | Coefficient of number of units built in the year |
| Objective.Water Storages | Units Retired Coefficient | Coefficient of number of units retired |
| Objective.Water Storages | Units Retired in Year Coefficient | Coefficient of number of units retired in the year |
| Objective.Waterways | Flow Coefficient | Coefficient of waterway flow |
| Objective.Waterways | Hours Flowing Coefficient | Coefficient of the number of hours the waterway is flowing |
| Objective.Waterways | Ramp Coefficient | Coefficient of charge in waterway flow |
| Objective.Zones | Capacity Reserves Coefficient | Coefficient of total capacity reserves |
| Objective.Zones | Committed Capacity Coefficient | Coefficient of generation capacity committed in the zone |
| Objective.Zones | Dump Energy Coefficient | Coefficient of dump energy (over generation) |
| Objective.Zones | Export Capacity Built Coefficient | Coefficient of export capacity built |
| Objective.Zones | Export Capacity Coefficient | Coefficient of export capacity |
| Objective.Zones | Firm Capacity Coefficient | Coefficient of total generator [Firm Capacity] |
| Objective.Zones | Generation Capacity Built Coefficient | Coefficient of generation capacity built |
| Objective.Zones | Generation Capacity Coefficient | Coefficient of total generation capacity |
| Objective.Zones | Generation Capacity Retired Coefficient | Coefficient of generation capacity retired |
| Objective.Zones | Generation Coefficient | Coefficient of zone generation |
| Objective.Zones | Generator Build Cost Coefficient | Coefficient of total cost of generator builds |
| Objective.Zones | Generators Built Coefficient | Coefficient on binary variable indicating if any generation capacity is built to date |
| Objective.Zones | Generators Built in Year Coefficient | Coefficient on binary variable indicating if any generation capacity is built in the year |
| Objective.Zones | Import Capacity Built Coefficient | Coefficient of import capacity built |
| Objective.Zones | Import Capacity Coefficient | Coefficient of import capacity |
| Objective.Zones | Load Coefficient | Coefficient of zone load |
| Objective.Zones | Load Squared Coefficient | Coefficient of the square of zone load |
| Objective.Zones | Net Load Coefficient | Coefficient of load net of unserved and dump energy |
| Objective.Zones | Peak Load Coefficient | Coefficient of annual peak load |
| Objective.Zones | Unserved Energy Coefficient | Coefficient of unserved energy |
| Objectives | Absolute Tolerance | Allowable degradation for the objective when doing hierarchical multi-objective optimization for MIP models |
| Objectives | Constant | Objective constant |
| Objectives | Constant Custom | Objective constant value over any custom period (000's) |
| Objectives | Constant Day | Objective constant each day (000's) |
| Objectives | Constant Hour | Objective constant each hour |
| Objectives | Constant Month | Objective constant each month (000's) |
| Objectives | Constant Week | Objective constant each week (000's) |
| Objectives | Constant Year | Objective constant each year (000's) |
| Objectives | Include in LT Plan | If the objective is modeled in the LT Plan phase. |
| Objectives | Include in MT Schedule | If the objective is modeled in the MT Schedule phase. |
| Objectives | Include in PASA | If the objective is modeled in the PASA phase. |
| Objectives | Include in ST Schedule | If the objective is modeled in the ST Schedule phase. |
| Objectives | Include in Uniform Pricing | If the objective is modeled in the unconstrained phase of uniform pricing. |
| Objectives | Priority | Priority of the objective when doing hierarchical multi-objective optimization |
| Objectives | Relative Tolerance | Allowable relative degradation for the objective when doing hierarchical multi-objective optimization for MIP models |
| Objectives | Sense | Objective sense (Minimize,Maximize) |
| Objectives | Weight | Weight of the objective when doing blended multi-objective optimization |
| Pool.Pools | Balancing Area Interchange Hurdle | Financial hurdle rate for exports from the regions in the pool |
| Pool.Pools | Max Balancing Area Interchange | Maximum financial exports for regions in the Pool |
| Power2X | Build Cost | Cost of building a unit |
| Power2X | Economic Life | Economic life of the unit (period over which fixed costs are recovered). |
| Power2X | Efficiency | Efficiency of energy conversion process |
| Power2X | Forced Outage | Capacity lost to forced outage |
| Power2X | Forced Outage Rate | Forced outage rate |
| Power2X | Maintenance Frequency | Frequency of maintenance outages in an annual time frame |
| Power2X | Maintenance Rate | Maintenance rate |
| Power2X | Max Load | Maximum load of each unit |
| Power2X | Max Time To Repair | Maximum time to repair |
| Power2X | Max Units Built | Maximum number of units automatically constructed in aggregate over the planning horizon |
| Power2X | Max Units Built in Year | Maximum number of units automatically constructed in any single year of the planning horizon |
| Power2X | Mean Time to Repair | Mean time to repair |
| Power2X | Min Down Time | Minimum number of hours a unit must be off after being shut down |
| Power2X | Min Stable Factor | Minimum stable operation level as a proportion of [Max Capacity] |
| Power2X | Min Time To Repair | Minimum time to repair |
| Power2X | Min Units Built | Minimum number of units automatically constructed in aggregate over the planning horizon |
| Power2X | Min Units Built in Year | Minimum number of units automatically constructed in any single year of the planning horizon |
| Power2X | Min Up Time | Minimum number of hours a unit must be run after being started |
| Power2X | Outage Factor | Unit outage rating based on the unit capacity |
| Power2X | Outage Rating | Unit rating during outage |
| Power2X | Project Start Date | Start date of generation project, for expansion planning. |
| Power2X | Repair Time Scale | Repair time function scale parameter (for exponential,Weibull,lognormal,SEV,LEV) |
| Power2X | Repair Time Shape | Repair time function shape parameter (for Weibull,lognormal) |
| Power2X | Technical Life | Technical lifetime of the unit |
| Power2X | Units | Number of installed units |
| Power2X | Units Out | Number of units out of service due to maintenance |
| Power2X | VO&M Charge | Variable operation and maintenance charge |
| Power2X | WACC | Weighted average cost of capital |
| Power2X.Fuels | Ratio | Proportion of this fuel produced |
| Power2X.Nodes | Load Participation Factor | Proportion of facility load at the node |
| Region.Emissions | Max Production | Maximum total emission production by emission producers in the region |
| Region.Emissions | Max Production Day | Maximum total emission production by emission producers in the region per day |
| Region.Emissions | Max Production Hour | Maximum total emission production by emission producers in the region per hour |
| Region.Emissions | Max Production Month | Maximum total emission production by emission producers in the region per month |
| Region.Emissions | Max Production Week | Maximum total emission production by emission producers in the region per week |
| Region.Emissions | Max Production Year | Maximum total emission production by emission producers in the region per year |
| Region.Regions | Balancing Area Interchange Hurdle | Financial hurdle rate for exports from the region |
| Region.Regions | Max Balancing Area Interchange | Maximum financial exports |
| Regions | Internal VoLL | Region specific value of lost load |
| Regions | Internal VoLL Level | Level of unserved energy to which the VoLL applies to. |
| Regions | Unserved Energy Method | Unserved Energy Method to be used for the region |
| Reliabilities | EFC Convergence Threshold | Convergence criteria for Reliability evaluation. |
| Reliabilities | EFC Initial Estimate | Initial Firm Capacity Estimate for set of generators associated with the Reliability object |
| Reliabilities | EFC Risk Metric | Risk Metric for EFC evaluation |
| Reliabilities | Max EFC Iterations | Maximum number ST Schedule iteration for EFC evaluation |
| Reliabilities | Perform EFC Evaluation | Flag indicating if the EFC should be evaluated for the Reliability object |
| Reliabilities | Simplify Generator Properties | Flag indicating if Generator properties should be ignored for the model |
| Reliabilities | Skip Steps | Indicate steps that should be skipped |
| Reserve.Batteries | Charge Offer Price | Charging reserve offer price |
| Reserve.Power2X | Max Response | Maximum reserve response |
| Reserves | Cascading | If reserves in the Nested Reserves collection are cascading or nested |
| Reserves | Energy Usage For Replacement | If Reserve energy usage is used for replacement reserve. |
| Variable.Lines | Units Out Coefficient | Coefficient of units out |
| Vehicle.Charging Stations | Share | Time the vehicle is at the charging station |
| Vehicle.Fleets | Share | Fleet share of Vehicle |
| Vehicles | Capacity | Battery capacity |
| Vehicles | Charge Efficiency | Efficiency of charging |
| Vehicles | Demand | Travel demand for vehicle |
| Vehicles | Discharge Efficiency | Efficiency of discharging |
| Vehicles | Efficiency | Electric vehicle efficiency |
| Vehicles | Initial SoC | Initial state of charge |
| Vehicles | Max Charge Rate | Maximum charge rate |
| Vehicles | Max Discharge Rate | Maximum discharge rate |
| Vehicles | Max SoC | Allowable maximum state of charge |
| Vehicles | Min SoC | Allowable minimum state of charge |
| Vehicles | Units | Number of vehicles |
| Zone.Zones | Balancing Area Interchange Hurdle | Financial hurdle rate for exports from the zone |
| Zone.Zones | Max Balancing Area Interchange | Maximum financial exports |
7. New Reporting Properties
New reporting properties are:
| Collection | Name | Description |
|---|---|---|
| Charging Stations | Charge Cost | Cost of charging |
| Charging Stations | Charge Price | Price paid charging |
| Charging Stations | Charging | Load from charging |
| Charging Stations | Deferred Load | Deferred charging load |
| Charging Stations | Discharge Price | Price received discharging |
| Charging Stations | Discharge Revenue | Revenue from discharging |
| Charging Stations | Discharging | Generation from discharging |
| Charging Stations | Hours Deferred | Average hours load is deferred in the period |
| Charging Stations | Losses | Total charge and discharge losses |
| Charging Stations | Lower Reserve | Provision of lower (spin down) reserve |
| Charging Stations | Net Charge Cost | Net of cost of charging and revenue from discharging |
| Charging Stations | Raise Reserve | Provision of raise (spin up) reserve |
| Charging Stations | Regulation Lower Reserve | Provision of regulation lower reserve |
| Charging Stations | Regulation Raise Reserve | Provision of regulation raise reserve |
| Charging Stations | Replacement Reserve | Provision of replacement reserve |
| Charging Stations | Reserves Revenue | Revenue from provision of reserves |
| Charging Stations | Units | Number of chargers |
| Charging Stations | UoS Cost | Total use of system cost |
| Companies | Gas Demand | Total gas demand for the company |
| Companies | Gas Imbalance | Total gas supply imbalance for the company (Gas Demand - Gas Supply) |
| Companies | Gas Supply | Total gas supply for the company |
| Fleets | Charge Cost | Cost of charging |
| Fleets | Charge Price | Price paid charging |
| Fleets | Charging | Load from charging |
| Fleets | Discharge Price | Price received discharging |
| Fleets | Discharge Revenue | Revenue from discharging |
| Fleets | Discharging | Generation from discharging |
| Fleets | Distance | Distance travelled |
| Fleets | Losses | Total charge and discharge losses |
| Fleets | Lower Reserve | Provision of lower (spin down) reserve |
| Fleets | Net Charge Cost | Net of cost of charging and revenue from discharging |
| Fleets | Raise Reserve | Provision of raise (spin up) reserve |
| Fleets | Regulation Lower Reserve | Provision of regulation lower reserve |
| Fleets | Regulation Raise Reserve | Provision of regulation raise reserve |
| Fleets | Replacement Reserve | Provision of replacement reserve |
| Fleets | Reserves Revenue | Revenue from provision of reserves |
| Fleets | UoS Cost | Total use of system cost |
| Gas Contract.Companies | Gas Supply | Total supply provided by the company |
| Gas Contract.Gas Nodes | Cost | Cost of gas used under contract-gas node |
| Gas Contract.Gas Nodes | Price | Gas contract-gas node price |
| Gas Contracts | Dispatch Price | Dispatch price |
| Gas Contracts | Supply Excess | Gas supply excess |
| Gas Demand.Gas Contracts | Delivered Quantity | Gas delivered by gas contract to the gas demand |
| Gas Demand.Gas Fields | Delivered Quantity | Gas delivered by gas field to the gas demand |
| Gas Demand.Gas Storages | Delivered Quantity | Gas delivered by gas storage to the gas demand |
| Gas Demands | Peak Served Demand | Peak Served Demand (with respect to excess and shortage) |
| Gas Demands | Peak Unserved Demand | Peak Unserved Demand (with respect to excess and shortage) |
| Gas Demands | Served Demand | Served Demand (with respect to excess and shortage) |
| Gas Fields | Dispatch Price | Dispatch Price |
| Gas Nodes | Delivered Cost | Delivered cost of gas at the gas node |
| Gas Nodes | Delivered Price | Delivered price for gas at the gas node |
| Gas Pipelines | Max Observed Flow | Quantity of max observed flow in pipeline |
| Gas Pipelines | Total Variable Costs | Total Variable Costs of gas from the pipeline |
| Gas Plants | Dispatch Price | Dispatch Price |
| Gas Storage.Gas Contracts | Delivered Quantity | Gas delivered by gas contract to the gas storage |
| Gas Storage.Gas Fields | Delivered Quantity | Gas delivered by gas field to the gas storage |
| Gas Storage.Gas Storages | Delivered Quantity | Gas delivered by gas storage to the gas storage |
| Gas Storages | Dispatch Price | Dispatch price |
| Gas Storages | Ending Inventory Value | Value of inventory in gas storage at the end of period |
| Gas Storages | Initial Inventory Value | Value of inventory in gas storage at the start of period |
| Gas Storages | Max Volume Retired | Amount of reduction in Gas Storage Max Volume |
| Gas Storages | Total Variable Costs | Total variable cost for the gas storage |
| Gas Zones | Costs of Gas Delivered | Equal to Total System Cost - Net Injection Cost + Net Withdrawal Cost {Please note that withdrawal and injection fuel is subtracted to get the net} |
| Gas Zones | Gas Contract Total Reservation Costs | Total reservation costs for gas contracts |
| Gas Zones | Gas Pipeline Total Reservation Costs | Total reservation costs for gas pipelines |
| Gas Zones | Gas Pipeline Total Variable Costs | Total variable costs for gas pipelines |
| Gas Zones | Gas Storage Total Reservation Costs | Total reservation costs for gas storages |
| Gas Zones | Gas Storage Total Variable Costs | Total variable costs for gas storages |
| Gas Zones | Gas Supply Total Commodity Costs | Total supply commodity costs |
| Gas Zones | Grand Total Cost | Equal to Total Fixed Cost + Total Variable Costs {Total Variable Cost Includes penalty costs) |
| Gas Zones | Net Total Cost | Equal to Grand Total Cost - Total Market Revenue |
| Gas Zones | Net Variable Cost | Equal to Total Variable Cost - Total Market Revenue |
| Gas Zones | Peak Served Zone Demand | Gas Peak Served Demand in gas zone |
| Gas Zones | Total System Cost | Equal to Total Fixed Cost + Total Variable Cost - Total Penalty Cost {Excludes penalty costs} |
| Gas Zones | Total Variable Costs | Equal to Total Gas Purchase Cost + Total Penalty Cost |
| Generators | Dispatched Capacity Available | The available capacity during unit commitment |
| Generators | Energy Utilisation Factor | Portion of available technical capacity dispatched |
| Generators | Net Sum Generation | Generation sum of pump load and generation |
| Heat Storages | End Heat | Heat in storage at the end of the period |
| Heat Storages | Heat Injection | Heat injected into storage |
| Heat Storages | Heat Injection Cost | Cost of injecting heat into storage |
| Heat Storages | Heat Loss | Heat loss from storage |
| Heat Storages | Heat Shadow Price | Shadow price of heat in storage |
| Heat Storages | Heat Withdrawal | Heat withdrawn from storage |
| Heat Storages | Heat Withdrawal Cost | Cost of withdrawing heat from storage |
| Heat Storages | Initial Heat | Heat in storage at the start of the period |
| Heat Storages | Max Heat | Maximum heat allowed in storage |
| Heat Storages | Min Heat | Minimum heat required in storage |
| Heat Storages | Net Heat Withdrawal | Net of withdrawal and injection |
| Nodes | Battery Generation | Generation from batteries |
| Nodes | Battery Load | Charging load from batteries |
| Nodes | Charging Station Deferred Load | Load from Charging Stations deferred |
| Nodes | Charging Station Generation | Generation from Charging Stations |
| Nodes | Charging Station Hours Deferred | Average hours Charging Station load is deferred in the period |
| Nodes | Charging Station Load | Load from Charging Stations |
| Nodes | Pump Generation | Generation from pumped storage |
| Nonlinear Constraints | Function Value | Value of the input function at the current X value |
| Nonlinear Constraints | X Value | Solution value for the x variable |
| Nonlinear Constraints | Y Value | Solution value for the y variable |
| Objectives | Activity | Variable part of objective value |
| Objectives | Constant | Constant part of objective value |
| Objectives | Value | Objective value |
| Power2X | Annualized Build Cost | Annualized cost of units built |
| Power2X | Build Cost | Cost of units built |
| Power2X | Capacity Built | Capacity built (Max Capacity x Units Built) |
| Power2X | Cost to Load | Cost of electric load |
| Power2X | Efficiency | Efficiency of production |
| Power2X | Forced Outage | Capacity forced out |
| Power2X | Forced Outage Hours | Number of hours on forced outage |
| Power2X | Forced Outage Rate | Proportion of installed capacity on forced outage |
| Power2X | Installed Capacity | Installed capacity (Max Load x Units) |
| Power2X | Load | Load drawn by the facility |
| Power2X | Lower Reserve | Provision of lower (spin down) reserve |
| Power2X | Maintenance | Capacity out on maintenance |
| Power2X | Maintenance Hours | Number of hours on maintenance |
| Power2X | Maintenance Rate | Proportion of installed capacity on maintenance outage |
| Power2X | Max Load | Max load by the facility |
| Power2X | Net Revenue | Net revenue |
| Power2X | Price Paid | Price paid by the electric load |
| Power2X | Production Rate | Rate of production/volume of production |
| Power2X | Raise Reserve | Provision of raise (spin up) reserve |
| Power2X | Regulation Lower Reserve | Provision of regulation lower reserve |
| Power2X | Regulation Raise Reserve | Provision of regulation raise reserve |
| Power2X | Replacement Reserve | Provision of replacement reserve |
| Power2X | Reserves Revenue | Revenue from provision of reserves |
| Power2X | Shadow Price | Shadow price of production |
| Power2X | Units | Number of installed units |
| Power2X | Units Built | Number of units built |
| Power2X | Units Operating | Number of units operating |
| Power2X | Units Out | Number of units out of service |
| Power2X | VO&M Cost | Total variable operation and maintenance cost |
| Regions | Battery Generation | Generation from batteries |
| Regions | Battery Load | Charging load from batteries |
| Regions | Charging Station Deferred Load | Load from Charging Stations deferred |
| Regions | Charging Station Generation | Generation from Charging Stations |
| Regions | Charging Station Hours Deferred | Average hours Charging Station load is deferred in the period |
| Regions | Charging Station Load | Load from Charging Stations |
| Regions | Lower Reserve | Provision of lower (spin down) reserve |
| Regions | Net Generation | Generation net of pump and battery load |
| Regions | Pump Generation | Generation from pumped storage |
| Regions | Raise Reserve | Provision of raise (spin up) reserve |
| Regions | Regulation Lower Reserve | Provision of regulation lower reserve |
| Regions | Regulation Raise Reserve | Provision of regulation raise reserve |
| Regions | Replacement Reserve | Provision of replacement reserve |
| Reliabilities | Firm Capacity Contribution | Firm Capacity Contribution |
| Reserve.Power2X | Available Response | Available reserve response |
| Reserve.Power2X | Provision | Reserve provision |
| Reserve.Power2X | Revenue | Reserve revenue |
| Vehicles | Charge Cost | Cost of charging |
| Vehicles | Charge Price | Price paid charging |
| Vehicles | Charging | Charge rate/energy |
| Vehicles | Discharge Price | Price received discharging |
| Vehicles | Discharge Revenue | Revenue from discharging |
| Vehicles | Discharging | Discharge rate/energy |
| Vehicles | Distance | Distance travelled |
| Vehicles | Energy | Energy stored |
| Vehicles | Hours Charging | Number of hours in charging state |
| Vehicles | Hours Discharging | Number of hours in discharging state |
| Vehicles | Hours Idle | Number of hours in idle state |
| Vehicles | Hours in Use | Number of hours in use |
| Vehicles | Losses | Total charge and discharge losses |
| Vehicles | Lower Reserve | Provision of lower (spin down) reserve |
| Vehicles | Net Charge Cost | Net of cost of charging and revenue from discharging |
| Vehicles | Raise Reserve | Provision of raise (spin up) reserve |
| Vehicles | Range | Remaining range |
| Vehicles | Regulation Lower Reserve | Provision of regulation lower reserve |
| Vehicles | Regulation Raise Reserve | Provision of regulation raise reserve |
| Vehicles | Replacement Reserve | Provision of replacement reserve |
| Vehicles | Reserves Revenue | Revenue from provision of reserves |
| Vehicles | SoC | State of charge |
| Vehicles | Units | Number of vehicles |
| Vehicles | UoS Cost | Total use of system cost |
| Zones | Battery Generation | Generation from batteries |
| Zones | Battery Load | Charging load from batteries |
| Zones | Charging Station Deferred Load | Load from Charging Stations deferred |
| Zones | Charging Station Generation | Generation from Charging Stations |
| Zones | Charging Station Hours Deferred | Average hours Charging Station load is deferred in the period |
| Zones | Charging Station Load | Load from Charging Stations |
| Zones | Lower Reserve | Provision of lower (spin down) reserve |
| Zones | Net Generation | Generation net of pump and battery load |
| Zones | Pump Generation | Generation from pumped storage |
| Zones | Raise Reserve | Provision of raise (spin up) reserve |
| Zones | Regulation Lower Reserve | Provision of regulation lower reserve |
| Zones | Regulation Raise Reserve | Provision of regulation raise reserve |
| Zones | Replacement Reserve | Provision of replacement reserve |