Gas Pipeline Index
Gas Pipeline Attributes
| Name | Units | Default Value | Validation Rule | Description |
|---|---|---|---|---|
| Energy Density | - | 0 | Energy per unit of the gas | |
| Unit | - | 0 | Unit the gas is measured in |
Gas Pipeline Input Properties
| Name | Units | Multi-band | Default Value | Validation Rule | Key Property | Description |
|---|---|---|---|---|---|---|
| Annual Expansion Max Flow Day | 1000·~ (Metric), ~ (U.S. Imperial) | True | 1E+30 | ≥0 | False | Annual Expansion Max Flow Daily total gas release for the pipeline |
| Balance Period | - | False | 0 | In (0,1,2,3,4,5,6) | False | Frequency of storage balance |
| Build Cost | $000 | False | 0 | False | Cost of building the gas pipeline | |
| Decomposition Bound Penalty | $/~ | False | 1000000 | ≥0 | False | Penalty applied to violation of storage bounds when the decomposition implies possible violations. |
| Decomposition Method | - | False | 0 | In (0,1,2) | False | Method used to pass the optimal storage trajectory from one simulation phase to the next. |
| Decomposition Penalty a | - | False | 0.0489 | False | Decomposition storage target penalty function 'a' term. | |
| Decomposition Penalty b | - | False | 0.6931 | False | Decomposition storage target penalty function 'b' term. | |
| Decomposition Penalty c | - | False | 0 | False | Decomposition storage target penalty function 'c' term. | |
| Decomposition Penalty x | - | False | 1.1 | False | Decomposition storage target penalty function 'x' term. | |
| Dispatch Flow Charge | $/~ | True | 0 | False | Dispatch cost of extracting gas at the pipeline receiving node | |
| Dispatch Flow Charge Back | $/~ | True | 0 | False | Dispatch cost of extracting gas at the pipeline sending node | |
| Economic Life | yr | False | 30 | ≥0 | False | Economic life of the gas pipeline (period over which fixed costs are recovered). |
| End Effects Method | - | False | 1 | In (1,2) | False | Method used to value or constrain end-of-period gas volumes. |
| Enforce Bounds | Yes/No | False | -1 | In (0,-1) | False | If the storage bounds are enforced. |
| Entitlement Type | - | False | 0 | In (0,1) | False | Indicates whether maximum flow entitlement is at the input node (gross) or at the output node (net). |
| Expansion Max Flow Day | 1000·~ (Metric), ~ (U.S. Imperial) | True | 1E+30 | ≥0 | False | Expansion Max Flow Daily total gas release for the pipeline |
| Expansion Optimality | - | False | 0 | In (0,2) | False | Expansion planning integerization scheme. |
| Expansion Pipeline | - | False | 0 | In (0,1) | False | Indicates if the gas pipeline is eligible for expansion planning |
| Flow Charge | $/~ | True | 0 | False | Incremental cost of extracting gas from the pipeline | |
| Flow Charge Back | $/~ | True | 0 | False | Incremental cost of extracting gas at the pipeline sending node | |
| Flow Charge Back Level | 1000·~ (Metric), ~ (U.S. Imperial) | True | 0 | False | Level corresponding to Flow Charge Back | |
| Flow Charge Level | 1000·~ (Metric), ~ (U.S. Imperial) | True | 0 | False | Level corresponding to Flow Charge | |
| FO&M Charge | $000 | False | 0 | False | Annual fixed operation and maintenance charge | |
| Forced Outage Rate | % | True | 0 | Between 0 And 100 | False | Expected proportion of time the facility is unavailable due to forced outage |
| Imbalance Charge | $/~ | False | 0 | False | The charge applicable to the volume imbalance | |
| Initial Pressure | pa (Metric), psi (U.S. Imperial) | False | 0 | ≥0 | False | Pressure of gas stored in the pipeline at the beginning of the horizon |
| Initial Volume | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | ≥0 | False | Volume of gas stored in the pipeline at the beginning of the horizon |
| Internal Volume Scalar | - | False | 1 | >0 | False | Storage volume scaling factor used internal to the mathematical program. |
| Is Available | Yes/No | False | 1 | In (0,1) | False | Indicates if Gas Pipeline is available for flow. |
| Is Bidirectional | - | False | 0 | In (0,1) | False | Indicates if the pipeline allows flow in both directions |
| Lead Time | yr | False | 0 | ≥0 | False | Number of years after which the expansion project can begin |
| Loss Rate | % | False | 0 | ≥0 | False | Loss rate for gas pipeline flow |
| Maintenance Frequency | - | True | 0 | ≥0 | False | Frequency of maintenance outages in an annual time frame |
| Maintenance Rate | % | True | 0 | Between 0 And 100 | False | Expected proportion of time the facility is unavailable due to maintenance |
| Max Build Events | - | False | 1E+30 | ≥0 | False | Maximum number of distinct build events allowed over the planning horizon |
| Max Flow | 1000·~ (Metric), ~ (U.S. Imperial) | False | 1E+30 | ≥0 | False | Maximum quantity of gas that can be extracted from the pipeline |
| Max Flow Back | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | ≥0 | False | Maximum quantity of gas that can be extracted from the pipeline sending node |
| Max Flow Back Day | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | ≥0 | False | Maximum quantity of gas that can be extracted at the pipeline sending node each day |
| Max Flow Back Hour | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | ≥0 | False | Maximum quantity of gas that can be extracted at the pipeline sending node each hour |
| Max Flow Back Month | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | ≥0 | False | Maximum quantity of gas that can be extracted at the pipeline sending node each month |
| Max Flow Back Penalty | $/~ | False | -1 | ≥-1 | False | Penalty for violating the [Max Flow Back] constraints. |
| Max Flow Back Week | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | ≥0 | False | Maximum quantity of gas that can be extracted at the pipeline sending node each week |
| Max Flow Back Year | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | ≥0 | False | Minimum quantity of gas that can be extracted at the pipeline sending node each year |
| Max Flow Day | 1000·~ (Metric), ~ (U.S. Imperial) | False | 1E+30 | ≥0 | False | Maximum quantity of gas that can be extracted from the pipeline each day |
| Max Flow Hour | 1000·~ (Metric), ~ (U.S. Imperial) | False | 1E+30 | ≥0 | False | Maximum quantity of gas that can be extracted from the pipeline each hour |
| Max Flow Month | 1000·~ (Metric), ~ (U.S. Imperial) | False | 1E+30 | ≥0 | False | Maximum quantity of gas that can be extracted from the pipeline each month |
| Max Flow Penalty | $/~ | False | -1 | ≥-1 | False | Penalty for violating the [Max Flow] constraints. |
| Max Flow Week | 1000·~ (Metric), ~ (U.S. Imperial) | False | 1E+30 | ≥0 | False | Maximum quantity of gas that can be extracted from the pipeline each week |
| Max Flow Year | 1000·~ (Metric), ~ (U.S. Imperial) | False | 1E+30 | ≥0 | False | Maximum quantity of gas that can be extracted from the pipeline each year |
| Max Pressure | pa (Metric), psi (U.S. Imperial) | False | 0 | False | Maximum pressure of gas stored in the pipeline | |
| Max Time To Repair | h | True | 0 | ≥0 | False | Maximum time to repair |
| Max Volume | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | False | Maximum volume of gas stored in the pipeline | |
| Mean Time to Repair | h | True | 24 | ≥0 | False | Mean time to repair |
| Min Flow | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | ≥0 | False | Minimum quantity of gas that can be extracted at the pipeline receiving node |
| Min Flow Back | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | ≥0 | False | Minimum quantity of gas that can be extracted from the pipeline sending node |
| Min Flow Back Day | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | ≥0 | False | Minimum quantity of gas that can be extracted at the pipeline sending node each day |
| Min Flow Back Hour | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | ≥0 | False | Minimum quantity of gas that can be extracted at the pipeline sending node each hour |
| Min Flow Back Month | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | ≥0 | False | Minimum quantity of gas that can be extracted at the pipeline sending node each month |
| Min Flow Back Penalty | $/~ | False | -1 | ≥-1 | False | Penalty for violating the [Min Flow Back] constraints. |
| Min Flow Back Week | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | ≥0 | False | Minimum quantity of gas that can be extracted at the pipeline sending node each week |
| Min Flow Back Year | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | ≥0 | False | Minimum quantity of gas that can be extracted at the pipeline sending node each year |
| Min Flow Day | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | ≥0 | False | Minimum quantity of gas that can be extracted at the pipeline receiving node each day |
| Min Flow Hour | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | ≥0 | False | Minimum quantity of gas that can be extracted at the pipeline receiving node each hour |
| Min Flow Month | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | ≥0 | False | Minimum quantity of gas that can be extracted at the pipeline receiving node each month |
| Min Flow Penalty | $/~ | False | -1 | ≥-1 | False | Penalty for violating the [Min Flow] constraints. |
| Min Flow Week | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | ≥0 | False | Minimum quantity of gas that can be extracted at the pipeline receiving node each week |
| Min Flow Year | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | ≥0 | False | Minimum quantity of gas that can be extracted at the pipeline receiving node each year |
| Min Pressure Percent | % | False | 0 | ≥0 | False | Minimum percentage of max pressure that must be stored in the Gas Pipeline to maintain pressure |
| Min Time To Repair | h | True | 0 | ≥0 | False | Minimum time to repair |
| Min Volume | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | False | Minimum volume of gas stored in the pipeline | |
| Min Volume Percent | % | False | 0 | ≥0 | False | Minimum percentage of max volume that must be stored in the Gas Pipeline to maintain pressure |
| Model Capital Cost Recovery | Yes/No | False | 0 | In (0,1) | False | Indicates if capital cost recovery feature is modeled for expansion planning |
| Outage Max Flow | 1000·~ (Metric), ~ (U.S. Imperial) | True | 0 | False | Pipeline Max Flow during the outage | |
| Outage Max Flow Back | 1000·~ (Metric), ~ (U.S. Imperial) | True | 0 | False | Pipeline Max Flow Back during the outage | |
| Project Start Date | - | False | 36526 | ≥0 | False | Start date of gas pipeline project, for expansion planning. |
| Random Number Seed | - | False | 0 | Between 0 And 2147483647 | False | Random number seed assigned to the pipeline for the generation of outages |
| Recycle Penalty | $/~ | False | -1 | False | Penalty for violating the recycling constraint. | |
| Repair Time Distribution | - | True | -1 | In (-1,0,1,2,3,4,5,6,7) | False | Distribution used to generate repair times (Auto,Constant,Uniform,Triangular,Exponential,Weibull,Lognormal,SEV,LEV) |
| Repair Time Scale | - | True | 0 | False | Repair time function scale parameter (for exponential,Weibull,lognormal,SEV,LEV) | |
| Repair Time Shape | - | True | 0 | False | Repair time function shape parameter (for Weibull,lognormal) | |
| Reservation Charge | $/~/month | True | 0 | ≥0 | False | Reservation charge for gas pipeline |
| Reservation Volume | 1000·~ (Metric), ~ (U.S. Imperial) | True | 0 | ≥0 | False | Reservation volume for gas pipeline |
| Retirement Cost | $000 | False | 0 | False | Cost of retiring the gas pipeline | |
| Retirement Pipeline | - | False | 0 | In (0,1) | False | Indicates if the gas pipeline is eligible for retirement planning |
| Technical Life | yr | False | 1E+30 | ≥0 | False | Technical lifetime of the gas pipeline |
| 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 Pipeline Maintenances Input Properties
| Name | Units | Multi-band | Default Value | Validation Rule | Key Property | Description |
|---|---|---|---|---|---|---|
| Outage Max Flow | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | False | Pipeline Max Flow during the outage | |
| Outage Max Flow Back | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | False | Pipeline Max Flow Back during the outage |
Gas Pipeline Constraints Input Properties
| Name | Units | Multi-band | Default Value | Validation Rule | Key Property | Description |
|---|---|---|---|---|---|---|
| End Volume Coefficient | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | False | Coefficient of gas in storage. | |
| Flow Back Coefficient | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | False | Coefficient of gas pipeline flow at the sending node | |
| Flow Coefficient | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | False | Coefficient of gas pipeline flow in the constraint | |
| Flow Forward Coefficient | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | False | Coefficient of gas pipeline flow at the receiving node | |
| 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 Pipeline Objectives Input Properties
| Name | Units | Multi-band | Default Value | Validation Rule | Key Property | Description |
|---|---|---|---|---|---|---|
| End Volume Coefficient | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | False | Coefficient of gas in storage | |
| Flow Back Coefficient | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | False | Coefficient of gas pipeline flow at the sending node | |
| Flow Coefficient | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | False | Coefficient of gas pipeline flow | |
| Flow Forward Coefficient | 1000·~ (Metric), ~ (U.S. Imperial) | False | 0 | False | Coefficient of gas pipeline flow at the receiving node | |
| 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 Pipeline Conditions Input Properties
| Name | Units | Multi-band | Default Value | Validation Rule | Key Property | Description |
|---|---|---|---|---|---|---|
| Flow Coefficient | - | False | 0 | False | Coefficient on gas pipeline flow |
Gas Pipeline 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 pipeline |
| Build Events | Build Events | Expansion | LT Plan | False | Number of build events |
| End Volume - TJ (Metric), BBtu (U.S. Imperial) | End Volume - TJ (Metric), BBtu (U.S. Imperial) | Production | LT Plan, MT Schedule, ST Schedule | False | Volume of gas in the pipeline at the end of the period |
| Fixed Costs - $ | Fixed Costs - $000 | Production | LT Plan, MT Schedule, ST Schedule | False | Total fixed costs including amortized build costs |
| Flow Capacity Outage - GJ (Metric), MMBtu (U.S. Imperial) | Flow Capacity Outage - TJ (Metric), BBtu (U.S. Imperial) | Reliability | LT Plan, MT Schedule, ST Schedule | False | Flow capacity on outage due to maintenance or forced outage |
| Flow In - GJ (Metric), MMBtu (U.S. Imperial) | Flow In - TJ (Metric), BBtu (U.S. Imperial) | Production | LT Plan, MT Schedule, ST Schedule | False | Quantity of gas pumped into the pipeline |
| Flow Out - GJ (Metric), MMBtu (U.S. Imperial) | Flow Out - TJ (Metric), BBtu (U.S. Imperial) | Production | LT Plan, MT Schedule, ST Schedule | False | Quantity of gas extracted from the pipeline |
| FO&M Cost - $ | FO&M Cost - $000 | Production | LT Plan, MT Schedule, ST Schedule | False | Fixed operation and maintenance cost |
| Forced Outage - GJ (Metric), MMBtu (U.S. Imperial) | Forced Outage - TJ (Metric), BBtu (U.S. Imperial) | Reliability | LT Plan, MT Schedule, ST Schedule | False | Capacity forced out |
| Forced Outage Hours - h | Forced Outage Hours - h | Reliability | LT Plan, MT Schedule, ST Schedule | False | Number of hours the pipeline is on forced outage |
| Hours Congested - h | Hours Congested - h | Production | LT Plan, MT Schedule, ST Schedule | False | Number of hours the pipeline is congested in the reference direction |
| Hours Congested Back - h | Hours Congested Back - h | Production | LT Plan, MT Schedule, ST Schedule | False | Number of hours the pipeline is congested in the counter-reference direction |
| Imbalance Cost - $ | Imbalance Cost - $000 | Production | LT Plan, MT Schedule, ST Schedule | False | Cost of imbalances |
| Initial Volume - TJ (Metric), BBtu (U.S. Imperial) | Initial Volume - TJ (Metric), BBtu (U.S. Imperial) | Production | LT Plan, MT Schedule, ST Schedule | False | Volume of gas stored in the pipeline at the beginning of the horizon |
| Loss - GJ (Metric), MMBtu (U.S. Imperial) | Loss - TJ (Metric), BBtu (U.S. Imperial) | Production | LT Plan, MT Schedule, ST Schedule | False | Gas pipeline flow loss amount |
| Maintenance - GJ (Metric), MMBtu (U.S. Imperial) | Maintenance - TJ (Metric), BBtu (U.S. Imperial) | Reliability | LT Plan, PASA, MT Schedule, ST Schedule | False | Capacity on maintenance |
| Maintenance Hours - h | Maintenance Hours - h | Reliability | LT Plan, MT Schedule, ST Schedule | False | Number of hours the pipeline is on maintenance |
| Max Daily Flow - GJ (Metric), MMBtu (U.S. Imperial) | Max Daily Flow - TJ (Metric), BBtu (U.S. Imperial) | Production | LT Plan, MT Schedule, ST Schedule | False | Maximum daily flow limit of the pipeline |
| Max Daily Flow Built - GJ (Metric), MMBtu (U.S. Imperial) | Max Daily Flow Built - TJ (Metric), BBtu (U.S. Imperial) | Expansion | LT Plan | False | Amount of increase in Gas Pipeline Max Daily Flow |
| Max Daily Flow Retired - GJ (Metric), MMBtu (U.S. Imperial) | Max Daily Flow Retired - TJ (Metric), BBtu (U.S. Imperial) | Expansion | LT Plan | False | Amount of reduction in Gas Pipeline Max Daily Flow |
| Max Observed Flow - GJ (Metric), MMBtu (U.S. Imperial) | Max Observed Flow - TJ (Metric), BBtu (U.S. Imperial) | Production | LT Plan, MT Schedule, ST Schedule | False | Quantity of max observed flow in a pipeline. |
| Max Volume - TJ (Metric), BBtu (U.S. Imperial) | Max Volume - TJ (Metric), BBtu (U.S. Imperial) | Production | LT Plan, MT Schedule, ST Schedule | False | Maximum volume of gas stored in the pipeline |
| Min Volume - TJ (Metric), BBtu (U.S. Imperial) | Min Volume - TJ (Metric), BBtu (U.S. Imperial) | Production | LT Plan, MT Schedule, ST Schedule | False | Minimum volume of gas stored in the pipeline |
| Pressure - pa (Metric), psi (U.S. Imperial) | Pressure - pa (Metric), psi (U.S. Imperial) | Production | LT Plan, MT Schedule, ST Schedule | False | Pressure of gas stored in the pipeline at the start of the period |
| Production Cost - $ | Production Cost - $000 | Production | LT Plan, MT Schedule, ST Schedule | False | Cost of extracting gas from the pipeline |
| Recovered Capital Cost - $ | Recovered Capital Cost - $000 | Production | LT Plan, MT Schedule, ST Schedule | False | Capital cost recovered by flowing gas through the pipeline |
| Recovery Price - $/GJ (Metric), $/MMBtu (U.S. Imperial) | Recovery Price - $/GJ (Metric), $/MMBtu (U.S. Imperial) | Production | LT Plan, MT Schedule, ST Schedule | False | Capital cost recovery price of gas pipeline expansion |
| Reservation Cost - $ | Reservation Cost - $000 | Production | LT Plan, MT Schedule, ST Schedule | False | Gas pipeline reservation cost |
| Retirement Cost - $000 | Retirement Cost - $000 | Expansion | LT Plan | False | Cost of retiring the gas pipeline |
| Service Factor - % | Service Factor - % | Reliability | LT Plan, MT Schedule, ST Schedule | False | Proportion of pipeline capacity available |
| Total Cost - $ | Total Cost - $000 | Production | LT Plan, MT Schedule, ST Schedule | False | Gas pipeline total cost |
| Total Variable Costs - $ | Total Variable Costs - $000 | Production | LT Plan, MT Schedule, ST Schedule | False | Total Variable Costs of gas from the pipeline |
| Units Out | Reliability | LT Plan, MT Schedule, ST Schedule | False | Number of units out of service | |
| Utilization Back - % | Utilization Back - % | Production | LT Plan, MT Schedule, ST Schedule | False | Flow back capacity utilization |
| Utilization Forward - % | Utilization Forward - % | Production | LT Plan, MT Schedule, ST Schedule | False | Flow forward capacity utilization |
| Volume Imbalance - TJ (Metric), BBtu (U.S. Imperial) | Volume Imbalance - TJ (Metric), BBtu (U.S. Imperial) | Production | LT Plan, MT Schedule, ST Schedule | False | Absolute value of the difference between delivery volume into the pipeline and the redelivered volume off the pipeline. |
| x | x | Pass-through | LT Plan, PASA, MT Schedule, ST Schedule | True | Value to pass-through to solution |
| y | y | Pass-through | LT Plan, PASA, MT Schedule, ST Schedule | True | Value to pass-through to solution |
| z | z | Pass-through | LT Plan, PASA, MT Schedule, ST Schedule | True | Value to pass-through to solution |
Gas Pipeline.Gas Node From Output Properties
| Name | Summary Name | Property Group | Phases | Multi-band | Description |
|---|---|---|---|---|---|
| Participation Factor - % | Participation Factor - % | Production | LT Plan, MT Schedule, ST Schedule | True | Percentage of total Gas Node inflow from a given exporting Gas Pipeline |
Gas Pipeline.Gas Node To Output Properties
| Name | Summary Name | Property Group | Phases | Multi-band | Description |
|---|---|---|---|---|---|
| Participation Factor - % | Participation Factor - % | Production | LT Plan, MT Schedule, ST Schedule | True | Percentage of total Gas Node inflow from a given importing Gas Pipeline |