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)	False	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
Build Non-anticipativity	$/MW	False	-1		False	Price for violating non-anticipativity constraints in scenario-wise decomposition mode
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 Back Level Factor	%	True	0	≥0	False	Level factor corresponding to Flow Charge Back
Flow Charge Level	1000·~ (Metric), ~ (U.S. Imperial)	True	0		False	Level corresponding to Flow Charge
Flow Charge Level Factor	%	True	0	≥0	False	Level factor 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
Integerization Horizon	yr	False	-1	≥-1	False	Number of years over which the expansion decisions are integerized
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
Monthly Expansion Max Flow Day	1000·~ (Metric), ~ (U.S. Imperial)	False	1E+30	≥0	False	Monthly Expansion Max Flow Daily total gas release for the pipeline
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
Retire Non-anticipativity	$/MW	False	-1		False	Price for violating non-anticipativity constraints in scenario-wise decomposition mode
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
Term Expansion Max Flow Day	1000·~ (Metric), ~ (U.S. Imperial)	True	0	≥0	False	Expansion Max Flow Daily total gas release for the term based 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
End Volume Coefficient	GWh	False	0		False	Coefficient of the end volume in Gas Pipeline in the condition equation
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.Virtual Emissions Output Properties

Name	Summary Name	Property Group	Phases	Multi-band	Description
Emission Flow - kg (Metric), lb (U.S. Imperial)	Emission Flow - tonne (Metric), ton (U.S. Imperial)	-	LT Plan, MT Schedule, ST Schedule	False	Emissions flow on the Gas Pipeline in virtual emission network

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