Gas Node Index
Gas Node Attributes
| Name | Units | Default Value | Validation Rule | Description |
|---|---|---|---|---|
| Energy Density | - | 0 | Energy per unit of the gas | |
| Latitude | ° | 0 | Latitude | |
| Longitude | ° | 0 | Longitude | |
| Unit | - | 0 | Unit the gas is measured in |
Gas Node Input Properties
| Name | Units | Multi-band | Default Value | Validation Rule | Key Property | Description |
|---|---|---|---|---|---|---|
| Build Cost | $000 | False | 0 | False | Cost of building the gas node | |
| Economic Life | yr | False | 30 | ≥0 | False | Economic life of the gas node (period over which fixed costs are recovered). |
| Expansion Optimality | - | False | 2 | In (0,2) | False | Expansion planning integerization scheme. |
| Flow Charge | $/~ | False | 0 | False | Incremental cost of flowing gas through the node | |
| FO&M Charge | $000 | False | 0 | False | Annual fixed operation and maintenance charge | |
| Lead Time | yr | False | 0 | ≥0 | False | Number of years after which the expansion project can begin |
| Maintenance Factor | - | False | 1 | ≥0 | False | Maintenance biasing factor |
| Max Flow | 1000·~ (Metric), ~ (U.S. Imperial) | False | 1E+30 | ≥0 | False | Maximum flow through the gas node |
| Max Flow Day | 1000·~ (Metric), ~ (U.S. Imperial) | False | 1E+30 | ≥0 | False | Maximum flow through the gas node each day |
| Max Flow Hour | 1000·~ (Metric), ~ (U.S. Imperial) | False | 1E+30 | ≥0 | False | Maximum flow through the gas node each hour |
| Max Flow Month | 1000·~ (Metric), ~ (U.S. Imperial) | False | 1E+30 | ≥0 | False | Maximum flow through the gas node each month |
| Max Flow Week | 1000·~ (Metric), ~ (U.S. Imperial) | False | 1E+30 | ≥0 | False | Maximum flow through the gas node each week |
| Max Flow Year | 1000·~ (Metric), ~ (U.S. Imperial) | False | 1E+30 | ≥0 | False | Maximum flow through the gas node each year |
| Max Heat Value | - | False | 1E+30 | ≥0 | False | Maximum heat value obtained from all the gas sources connected to the gas node |
| Max Heat Value Day | - | False | 1E+30 | ≥0 | False | Maximum daily heat value obtained from all the gas sources connected to the gas node |
| Max Heat Value Hour | - | False | 1E+30 | ≥0 | False | Maximum hourly heat value obtained from all the gas sources connected to the gas node |
| Max Heat Value Month | - | False | 1E+30 | ≥0 | False | Maximum monthly heat value obtained from all the gas sources connected to the gas node |
| Max Heat Value Week | - | False | 1E+30 | ≥0 | False | Maximum weekly heat value obtained from all the gas sources connected to the gas node |
| Max Heat Value Year | - | False | 1E+30 | ≥0 | False | Maximum annual heat value obtained from all the gas sources connected to the gas node |
| Max Units Built | - | False | 0 | In (0,1) | False | Binary indicating if this is a build candidate |
| Max Units Built in Year | - | False | 1 | In (0,1) | False | Binary indicating if build is allowed in this year |
| Max Units Retired | - | False | 0 | In (0,1) | False | Maximum number of units automatically retired in aggregate over the planning horizon |
| Max Units Retired in Year | - | False | 1 | In (0,1) | False | Maximum number of units automatically retired in any single year of the planning horizon |
| Min Heat Value | - | False | 0 | ≥0 | False | Minimum heat value obtained from all the gas sources connected to the gas node |
| Min Heat Value Day | - | False | 0 | ≥0 | False | Minimum daily heat value obtained from all the gas sources connected to the gas node |
| Min Heat Value Hour | - | False | 0 | ≥0 | False | Minimum hourly heat value obtained from all the gas sources connected to the gas node |
| Min Heat Value Month | - | False | 0 | ≥0 | False | Minimum monthly heat value obtained from all the gas sources connected to the gas node |
| Min Heat Value Week | - | False | 0 | ≥0 | False | Minimum weekly heat value obtained from all the gas sources connected to the gas node |
| Min Heat Value Year | - | False | 0 | ≥0 | False | Minimum annual heat value obtained from all the gas sources connected to the gas node |
| Min Units Built | - | False | 0 | In (0,1) | False | Minimum number of units automatically constructed in aggregate over the planning horizon |
| Min Units Built in Year | - | False | 0 | In (0,1) | False | Minimum number of units automatically constructed in any single year of the planning horizon |
| Min Units Retired | - | False | 0 | In (0,1) | False | Minimum number of units automatically retired in aggregate over the planning horizon |
| Min Units Retired in Year | - | False | 0 | In (0,1) | False | Minimum number of units automatically retired in any single year of the planning horizon |
| Project Start Date | - | False | 36526 | ≥0 | False | Start date of gas node project, for expansion planning. |
| Report Marginal Resources | Yes/No | False | 0 | In (0,-1) | False | If marginal resources are reported for the gas node in the solution |
| Retirement Cost | $000 | False | 0 | False | Cost of retiring the gas node | |
| Technical Life | yr | False | 1E+30 | ≥0 | False | Technical lifetime of the gas node |
| Units | - | False | 1 | In (0,1) | True | Flag if the Gas Node is in service |
| WACC | % | False | 10 | ≥0 | False | Weighted average cost of capital |
| x | - | True | 0 | False | Value to pass-through to solution | |
| y | - | True | 0 | False | Value to pass-through to solution | |
| z | - | True | 0 | False | Value to pass-through to solution |
Gas Node Constraints Input Properties
| Name | Units | Multi-band | Default Value | Validation Rule | Key Property | Description |
|---|---|---|---|---|---|---|
| Flow Coefficient | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | False | Coefficient of gas Node flow in the constraint | |
| Heat Value Coefficient | - | False | 0 | False | Coefficient of gas node heat value | |
| Units Built Coefficient | - | False | 0 | False | Coefficient of number of units built | |
| Units Built in Year Coefficient | - | False | 0 | False | Coefficient of number of units built in the year constraint | |
| Units Retired Coefficient | - | False | 0 | False | Coefficient of number of units retired | |
| Units Retired in Year Coefficient | - | False | 0 | False | Coefficient of number of units retired in the year constraint |
Gas Node Objectives Input Properties
| Name | Units | Multi-band | Default Value | Validation Rule | Key Property | Description |
|---|---|---|---|---|---|---|
| Flow Coefficient | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | False | Coefficient of gas node flow | |
| Units Built Coefficient | - | False | 0 | False | Coefficient of number of units built | |
| Units Built in Year Coefficient | - | False | 0 | False | Coefficient of number of units built in the year | |
| Units Retired Coefficient | - | False | 0 | False | Coefficient of number of units retired | |
| Units Retired in Year Coefficient | - | False | 0 | False | Coefficient of number of units retired in the year |
Gas Node Output Properties
| Name | Summary Name | Property Group | Phases | Multi-band | Description |
|---|---|---|---|---|---|
| Build Cost - $000 | Build Cost - $000 | Expansion | LT Plan | False | Cost of building the gas node |
| Delivered Cost - $ | Delivered Cost - $000 | Production | LT Plan, MT Schedule, ST Schedule | False | Delivered cost of gas at the gas node |
| Delivered Price - $/GJ (Metric), $/MMBtu (U.S. Imperial) | Delivered Price - $/GJ (Metric), $/MMBtu (U.S. Imperial) | Production | LT Plan, MT Schedule, ST Schedule | False | Delivered price for gas at the gas node |
| Demand - GJ (Metric), MMBtu (U.S. Imperial) | Demand - TJ (Metric), BBtu (U.S. Imperial) | Production | LT Plan, MT Schedule, ST Schedule | False | Demand at the gas node |
| Emission Cost - $ | Emission Cost - $000 | Production | LT Plan, MT Schedule, ST Schedule | False | Cost from production of emissions |
| End Volume - TJ (Metric), BBtu (U.S. Imperial) | End Volume - TJ (Metric), BBtu (U.S. Imperial) | Production | LT Plan, MT Schedule, ST Schedule | False | End volume in gas storage |
| Excess - GJ (Metric), MMBtu (U.S. Imperial) | Excess - TJ (Metric), BBtu (U.S. Imperial) | Production | LT Plan, MT Schedule, ST Schedule | False | Excess of gas supply |
| Excess Cost - $ | Excess Cost - $000 | Production | LT Plan, MT Schedule, ST Schedule | False | Cost of gas excesses |
| Excess Hours - h | Excess Hours - h | Production | LT Plan, MT Schedule, ST Schedule | False | Number of hours of excess supply of gas at the node |
| Exports - GJ (Metric), MMBtu (U.S. Imperial) | Exports - TJ (Metric), BBtu (U.S. Imperial) | Production | LT Plan, MT Schedule, ST Schedule | False | Exports on connected Gas Pipelines, Gas Plants and Gas Transports |
| Fixed Costs - $ | Fixed Costs - $000 | Production | LT Plan, MT Schedule, ST Schedule | False | Total fixed costs including amortized build costs |
| Flow - GJ (Metric), MMBtu (U.S. Imperial) | Flow - TJ (Metric), BBtu (U.S. Imperial) | Production | LT Plan, MT Schedule, ST Schedule | False | Flow of gas through the node |
| Flow Cost - $ | Flow Cost - $000 | Production | LT Plan, MT Schedule, ST Schedule | False | Cost of flowing gas through the node |
| FO&M Cost - $ | FO&M Cost - $000 | Production | LT Plan, MT Schedule, ST Schedule | False | Fixed operation and maintenance cost |
| Imports - GJ (Metric), MMBtu (U.S. Imperial) | Imports - TJ (Metric), BBtu (U.S. Imperial) | Production | LT Plan, MT Schedule, ST Schedule | False | Imports on connected Gas Pipelines, Gas Plants and Gas Transports |
| Initial Volume - TJ (Metric), BBtu (U.S. Imperial) | Initial Volume - TJ (Metric), BBtu (U.S. Imperial) | Production | LT Plan, MT Schedule, ST Schedule | False | Initial volume in gas storage |
| Maintenance Factor | Maintenance Factor | Reliability | PASA | False | Maintenance biasing factor |
| Net Interchange - GJ (Metric), MMBtu (U.S. Imperial) | Net Interchange - TJ (Metric), BBtu (U.S. Imperial) | Production | LT Plan, MT Schedule, ST Schedule | False | Net exports on gas pipelines |
| Net Market Sales - GJ (Metric), MMBtu (U.S. Imperial) | Net Market Sales - TJ (Metric), BBtu (U.S. Imperial) | Production | LT Plan, MT Schedule, ST Schedule | False | Net sales to external gas markets |
| Price - $/GJ (Metric), $/MMBtu (U.S. Imperial) | Price - $/GJ (Metric), $/MMBtu (U.S. Imperial) | Production | LT Plan, MT Schedule, ST Schedule | False | Settlement price for gas at the gas node |
| Production - GJ (Metric), MMBtu (U.S. Imperial) | Production - TJ (Metric), BBtu (U.S. Imperial) | Production | LT Plan, MT Schedule, ST Schedule | False | Quantity of gas produced by the gas fields |
| Retirement Cost - $000 | Retirement Cost - $000 | Expansion | LT Plan | False | Cost of retiring the gas node |
| Shadow Price - $/GJ (Metric), $/MMBtu (U.S. Imperial) | Shadow Price - $/GJ (Metric), $/MMBtu (U.S. Imperial) | Production | LT Plan, MT Schedule, ST Schedule | False | Shadow price of gas at the gas node |
| Shortage - GJ (Metric), MMBtu (U.S. Imperial) | Shortage - TJ (Metric), BBtu (U.S. Imperial) | Production | LT Plan, MT Schedule, ST Schedule | False | Shortage of gas supply |
| Shortage Cost - $ | Shortage Cost - $000 | Production | LT Plan, MT Schedule, ST Schedule | False | Cost of gas supply shortages |
| Shortage Hours - h | Shortage Hours - h | Production | LT Plan, MT Schedule, ST Schedule | False | Number of hours of shortage in supply of gas at the node |
| Units | Units | Production | LT Plan | False | Flag if the Gas Node is in service |
| Units Built | Units Built | Expansion | LT Plan | False | Flag if the gas node is built in this year |
| Units Retired | Units Retired | Expansion | LT Plan | False | Flag if the gas node is retired in this year |
| x | x | Pass-through | LT Plan, MT Schedule, ST Schedule | True | Value to pass-through to solution |
| y | y | Pass-through | LT Plan, MT Schedule, ST Schedule | True | Value to pass-through to solution |
| z | z | Pass-through | LT Plan, MT Schedule, ST Schedule | True | Value to pass-through to solution |
Gas Node.Markets Output Properties
| Name | Summary Name | Property Group | Phases | Multi-band | Description |
|---|---|---|---|---|---|
| Cost - $ | Cost - $000 | - | LT Plan, MT Schedule, ST Schedule | False | Cost of purchases from the market |
| Net Cost - $ | Net Cost - $000 | - | LT Plan, MT Schedule, ST Schedule | False | Net of revenue and cost |
| Net Purchases - TJ (Metric), MMBtu (U.S. Imperial) | Net Purchases - TJ (Metric), MMBtu (U.S. Imperial) | - | LT Plan, MT Schedule, ST Schedule | False | Net purchases from the market |
| Net Revenue - $ | Net Revenue - $000 | - | LT Plan, MT Schedule, ST Schedule | False | Net of cost and revenue |
| Net Sales - TJ (Metric), MMBtu (U.S. Imperial) | Net Sales - TJ (Metric), MMBtu (U.S. Imperial) | - | LT Plan, MT Schedule, ST Schedule | False | Net sales to the market |
| Purchases - TJ (Metric), MMBtu (U.S. Imperial) | Purchases - TJ (Metric), MMBtu (U.S. Imperial) | - | LT Plan, MT Schedule, ST Schedule | False | Purchases from the market |
| Revenue - $ | Revenue - $000 | - | LT Plan, MT Schedule, ST Schedule | False | Revenue from sales to the market |
| Sales - TJ (Metric), MMBtu (U.S. Imperial) | Sales - TJ (Metric), MMBtu (U.S. Imperial) | - | LT Plan, MT Schedule, ST Schedule | False | Sales to the market |