Gas Plant Index

Gas Plant Attributes

NameUnitsDefault ValueValidation RuleDescription
Energy Density-0Energy per unit of the gas
Unit-0Unit the gas is measured in

Gas Plant Input Properties

NameUnitsMulti-bandDefault ValueValidation RuleKey PropertyDescription
Build Cost$000False0FalseCost of building the Gas Plant
Build Non-anticipativity$/MWFalse-1FalsePrice for violating non-anticipativity constraints in scenario-wise decomposition mode
Consumption1000·~ (Metric), ~ (U.S. Imperial)False0FalseThe amount of pipeline quality gas consumed in processing
Dispatch Processing Charge$/~False0FalseThis replaces the processing charge for the optimization, but on the output side the Processing Charge is used in the cost calculations.
Economic LifeyrFalse30≥0FalseEconomic life of the Gas Plant (period over which fixed costs are recovered).
Energy UsagekWh/1000·~ (Metric), kWh/~ (U.S. Imperial)False0FalseEnergy consumption of Gas Plant
Expansion Optimality-False2In (0,2)FalseExpansion planning integerization scheme.
FO&M Charge$000False0FalseAnnual fixed operation and maintenance charge
Forced Outage Rate%True0Between 0 And 100FalseExpected proportion of time the facility is unavailable due to forced outage
Heat Value-False0≥0FalseHeat value of gas produced by the Gas Plant
Integerization HorizonyrFalse-1≥-1FalseNumber of years over which the expansion decisions are integerized
Lead TimeyrFalse0≥0FalseNumber of years after which the expansion project can begin
Maintenance Frequency-True0≥0FalseFrequency of maintenance outages in an annual time frame
Maintenance Rate%True0Between 0 And 100FalseExpected proportion of time the facility is unavailable due to maintenance
Max Production1000·~ (Metric), ~ (U.S. Imperial)False1E+30≥0FalseMaximum production of gas
Max Production Day1000·~ (Metric), ~ (U.S. Imperial)False1E+30≥0FalseMaximum daily production of gas
Max Production Hour1000·~ (Metric), ~ (U.S. Imperial)False1E+30≥0FalseMaximum hourly production of gas
Max Production Month1000·~ (Metric), ~ (U.S. Imperial)False1E+30≥0FalseMaximum monthly production of gas
Max Production Week1000·~ (Metric), ~ (U.S. Imperial)False1E+30≥0FalseMaximum weekly production of gas
Max Production Year1000·~ (Metric), ~ (U.S. Imperial)False1E+30≥0FalseMaximum annual production of gas
Max Ramp Down~/minTrue1E+30≥0FalseSets a limit on the rate at which the gas plant can decrease production from one interval to the next
Max Ramp Down Penalty$/~True-1FalsePenalty for violating [Max Ramp Down] constraint.
Max Ramp Up~/minTrue1E+30≥0FalseSets a limit on the rate at which the gas plant can increase production from one interval to the next
Max Ramp Up Penalty$/~True-1FalsePenalty for violating [Max Ramp Up] constraint.
Max Time To RepairhTrue0≥0FalseMaximum time to repair
Max Units Built-False0≥0FalseMaximum number of units automatically constructed in aggregate over the planning horizon
Max Units Built in Year-False1≥0FalseMaximum number of units automatically constructed in any single year of the planning horizon
Max Units Retired-False0≥0FalseMaximum number of units automatically retired in aggregate over the planning horizon
Max Units Retired in Year-False1≥0FalseMaximum number of units automatically retired in any single year of the planning horizon
Mean Time to RepairhTrue24≥0FalseMean time to repair
Min Production1000·~ (Metric), ~ (U.S. Imperial)False0≥0FalseMinimum production of gas
Min Production Day1000·~ (Metric), ~ (U.S. Imperial)False0≥0FalseMinimum daily production of gas
Min Production Hour1000·~ (Metric), ~ (U.S. Imperial)False0≥0FalseMinimum hourly production of gas
Min Production Month1000·~ (Metric), ~ (U.S. Imperial)False0≥0FalseMinimum monthly production of gas
Min Production Week1000·~ (Metric), ~ (U.S. Imperial)False0≥0FalseMinimum weekly production of gas
Min Production Year1000·~ (Metric), ~ (U.S. Imperial)False0≥0FalseMinimum annual production of gas
Min Stable Level1000·~ (Metric), ~ (U.S. Imperial)False0≥0FalseMinimum allowed gas production when operating
Min Time To RepairhTrue0≥0FalseMinimum time to repair
Min Units Built-False0≥0FalseMinimum number of units automatically constructed in aggregate over the planning horizon
Min Units Built in Year-False0≥0FalseMinimum number of units automatically constructed in any single year of the planning horizon
Min Units Retired-False0≥0FalseMinimum number of units automatically retired in aggregate over the planning horizon
Min Units Retired in Year-False0≥0FalseMinimum number of units automatically retired in any single year of the planning horizon
Model Capital Cost RecoveryYes/NoFalse0In (0,1)FalseIndicates if capital cost recovery feature is modeled for expansion planning
Outage Max Production1000·~ (Metric), ~ (U.S. Imperial)True0FalsePlant Max Production during the outage
Processing Charge$/~False0FalseIncremental cost of processing gas
Processing Rate%False100FalseProcessing ratio to convert raw natural gas to pipeline quality
Project Start Date-False36526≥0FalseStart date of gas node project, for expansion planning.
Ramp Down Charge$/~True0FalseCharge applied to ramping down
Ramp Down Point1000·~ (Metric), ~ (U.S. Imperial)True1E+30≥0FalseGas production point for use with multi-band Max Ramp Down constraints
Ramp Up Charge$/~True0FalseCharge applied to ramping up
Ramp Up Point1000·~ (Metric), ~ (U.S. Imperial)True1E+30≥0FalseGas production point for use with multi-band Max Ramp Up constraints
Random Number Seed-False0Between 0 And 2147483647FalseRandom number seed assigned to the Plant for the generation of outages
Repair Time Distribution-True-1In (-1,0,1,2,3,4,5,6,7)FalseDistribution used to generate repair times (Auto,Constant,Uniform,Triangular,Exponential,Weibull,Lognormal,SEV,LEV)
Repair Time Scale-True0FalseRepair time function scale parameter (for exponential,Weibull,lognormal,SEV,LEV)
Repair Time Shape-True0FalseRepair time function shape parameter (for Weibull,lognormal)
Retail Electric Price$/MWhFalse0FalseRetail price of electric power used by the gas plant
Retire Non-anticipativity$/MWFalse-1FalsePrice for violating non-anticipativity constraints in scenario-wise decomposition mode
Retirement Cost$000False0FalseCost of retiring the Gas Plant
Run Down Rate~/minFalse1E+30≥0FalseRamp rate that applies while running the unit down from [Min Stable Level] to zero
Run Up Rate~/minTrue1E+30≥0FalseRamp rate that applies while increasing gas production from zero to [Min Stable Level].
Shutdown Cost$False0≥0FalseCost of shutting down a unit
Shutdown Penalty$False0FalsePenalty applied to shutting down a unit
Shutdown Profile1000·~ (Metric), ~ (U.S. Imperial)False0FalseDetailed regime for running the unit down from [Min Stable Level] when [Run Down Rate] is non-constant.
Start Cost$True0≥0FalseCost of starting a unit
Start Cost TimehTrue0≥0FalseIncremental cooling time over which the corresponding Start Cost applies
Start Penalty$False0FalsePenalty applied to starting a unit
Start Profile1000·~ (Metric), ~ (U.S. Imperial)True1E+30FalseDetailed regime for increasing gas production from zero to [Min Stable Level] when [Run Up Rate] is non-constant.
Start Profile Penalty$/~False-1FalsePenalty for violation of [Start Profile].
Technical LifeyrFalse1E+30≥0FalseTechnical lifetime of the Gas Plant
Units-False1≥0TrueNumber of Gas Plant units in service
VO&M Charge$/~False0FalseVariable operation and maintenance charge
WACC%False10≥0FalseWeighted average cost of capital
x-True0FalseValue to pass-through to solution
y-True0FalseValue to pass-through to solution
z-True0FalseValue to pass-through to solution

Gas Plant Output Node Input Properties

NameUnitsMulti-bandDefault ValueValidation RuleKey PropertyDescription
Max Blend Percent%False0≥0FalseMaximum percentage of the gas produced by the Gas Plant in the blend
Min Blend Percent%False0≥0FalseMinimum percentage of the gas produced by the Gas Plant in the blend

Gas Plant Maintenances Input Properties

NameUnitsMulti-bandDefault ValueValidation RuleKey PropertyDescription
Outage Max Production1000·~ (Metric), ~ (U.S. Imperial)False0FalseMax Production during the outage

Gas Plant Constraints Input Properties

NameUnitsMulti-bandDefault ValueValidation RuleKey PropertyDescription
Build Cost Coefficient$False0FalseCoefficient of total build cost
Built Coefficient-False0FalseCoefficient on binary variable indicating if any capacity is built to date
Built in Year Coefficient-False0FalseCoefficient on binary variable indicating if any capacity is built in the year
Capacity Built Coefficient1000·~ (Metric), ~ (U.S. Imperial)False0FalseCoefficient of capacity built
Capacity Factor Coefficient-False0FalseCoefficient of Gas Plant capacity factor
Capacity Retired Coefficient1000·~ (Metric), ~ (U.S. Imperial)False0FalseCoefficient of capacity retired
Energy Usage CoefficientkWh/1000·~ (Metric), kWh/~ (U.S. Imperial)False0FalseCoefficient of energy usage of the Gas Plant
Installed Capacity Coefficient1000·~ (Metric), ~ (U.S. Imperial)False0FalseCoefficient of installed capacity
Production Coefficient1000·~ (Metric), ~ (U.S. Imperial)False0FalseCoefficient of gas node production
Ramp Coefficient1000·~ (Metric), ~ (U.S. Imperial)False0FalseCoefficient of change in gas production in the constraint
Units Built Coefficient-False0FalseCoefficient of number of units built
Units Built in Year Coefficient-False0FalseCoefficient of number of units built in the year
Units Retired Coefficient-False0FalseCoefficient of number of units retired
Units Retired in Year Coefficient-False0FalseCoefficient of number of units retired in the year

Gas Plant Objectives Input Properties

NameUnitsMulti-bandDefault ValueValidation RuleKey PropertyDescription
Build Cost Coefficient$False0FalseCoefficient of total build cost
Built Coefficient-False0FalseCoefficient on binary variable indicating if any capacity is built to date
Built in Year Coefficient-False0FalseCoefficient on binary variable indicating if any capacity is built in the year
Capacity Built Coefficient1000·~ (Metric), ~ (U.S. Imperial)False0FalseCoefficient of capacity built
Capacity Factor Coefficient-False0FalseCoefficient of Gas Plant capacity factor
Capacity Retired Coefficient1000·~ (Metric), ~ (U.S. Imperial)False0FalseCoefficient of capacity retired
Energy Usage CoefficientkWh/1000·~ (Metric), kWh/~ (U.S. Imperial)False0FalseCoefficient of energy usage of the Gas Plant
Installed Capacity Coefficient1000·~ (Metric), ~ (U.S. Imperial)False0FalseCoefficient of installed capacity
Operating Hours CoefficienthFalse0FalseCoefficient of number of hours of operation
Production Coefficient1000·~ (Metric), ~ (U.S. Imperial)False0FalseCoefficient of gas node production
Units Built Coefficient-False0FalseCoefficient of number of units built
Units Built in Year Coefficient-False0FalseCoefficient of number of units built in the year
Units Retired Coefficient-False0FalseCoefficient of number of units retired
Units Retired in Year Coefficient-False0FalseCoefficient of number of units retired in the year

Gas Plant Decision Variables Input Properties

NameUnitsMulti-bandDefault ValueValidation RuleKey PropertyDescription
Energy Usage Definition CoefficientMWFalse0FalseCoefficient of the Decision Variable in the Gas Plant Energy Usage definition equation

Gas Plant Output Properties

NameSummary NameProperty GroupPhasesMulti-bandDescription
Annualized Build Cost - $000Annualized Build Cost - $000ExpansionLT PlanFalseAnnualized cost of units built
Average Heat Value Average Heat ValueProductionLT Plan, MT Schedule, ST ScheduleFalseWeighted average heat value of the gas blend served as raw gas to the gas plant
Build Cost - $000Build Cost - $000ExpansionLT PlanFalseCost of building the Gas Plant
Capacity Built - TJ (Metric), BBtu (U.S. Imperial)Capacity Built - TJ (Metric), BBtu (U.S. Imperial)ExpansionLT PlanFalseGas plant capacity built
Consumption - GJ (Metric), MMBtu (U.S. Imperial)Consumption - TJ (Metric), BBtu (U.S. Imperial)ProductionLT Plan, MT Schedule, ST ScheduleFalseThe amount of pipeline quality gas consumed in processing
Dispatch Price - $/GJ (Metric), $/MMBtu (U.S. Imperial)Dispatch Price - $/GJ (Metric), $/MMBtu (U.S. Imperial)ProductionLT Plan, MT Schedule, ST ScheduleFalseIncremental dispatch price of processing gas
Energy Consumption - MWhEnergy Consumption - GWhProductionLT Plan, MT Schedule, ST ScheduleFalseThe total electric consumption of the Gas Plant
Fixed Costs - $Fixed Costs - $000ProductionLT Plan, MT Schedule, ST ScheduleFalseTotal fixed costs including amortized build costs
FO&M Cost - $FO&M Cost - $000ProductionLT Plan, MT Schedule, ST ScheduleFalseFixed operation and maintenance cost
Forced Outage - GJ (Metric), MMBtu (U.S. Imperial)Forced Outage - TJ (Metric), BBtu (U.S. Imperial)ReliabilityLT Plan, MT Schedule, ST ScheduleFalseCapacity of Production on Forced Outage
Forced Outage Hours - hForced Outage Hours - hReliabilityLT Plan, MT Schedule, ST ScheduleFalseNumber of hours the gas plant is on forced outage of Production
Levelized Cost - $/GJ (Metric), $/MMBtu (U.S. Imperial)Levelized Cost - $/GJ (Metric), $/MMBtu (U.S. Imperial)ExpansionLT PlanFalseLevelized cost of gas produced
Maintenance - GJ (Metric), MMBtu (U.S. Imperial)Maintenance - TJ (Metric), BBtu (U.S. Imperial)ReliabilityLT Plan, PASA, MT Schedule, ST ScheduleFalseCapacity of Production on maintenance
Maintenance Hours - hMaintenance Hours - hReliabilityLT Plan, MT Schedule, ST ScheduleFalseNumber of hours the gas plant is on maintenance
Production - GJ (Metric), MMBtu (U.S. Imperial)Production - TJ (Metric), BBtu (U.S. Imperial)ProductionLT Plan, MT Schedule, ST ScheduleFalseThe amount of saleable gas processed
Production Cost - $Production Cost - $000ProductionLT Plan, MT Schedule, ST ScheduleFalseThe total cost for processing the gas
Raw Gas - TJ (Metric), MMBtu (U.S. Imperial)Raw Gas - TJ (Metric), BBtu (U.S. Imperial)ProductionLT Plan, MT Schedule, ST ScheduleFalseThe amount of raw gas processed
Recovered Capital Cost - $Recovered Capital Cost - $000ProductionLT Plan, MT Schedule, ST ScheduleFalseCapital cost recovered by extracting gas from the gas plant
Recovery Price - $/GJ (Metric), $/MMBtu (U.S. Imperial)Recovery Price - $/GJ (Metric), $/MMBtu (U.S. Imperial)ProductionLT Plan, MT Schedule, ST ScheduleFalseCapital cost recovery price of gas plant expansion
Retirement Cost - $000Retirement Cost - $000ExpansionLT PlanFalseCost of retiring the Gas Plant
Service Factor - %Service Factor - %ReliabilityLT Plan, MT Schedule, ST ScheduleFalseProportion of plant capacity available in production
SRMC - $/GJ (Metric), $/MMBtu (U.S. Imperial)SRMC - $/GJ (Metric), $/MMBtu (U.S. Imperial)ProductionLT Plan, MT Schedule, ST ScheduleFalseShort-run marginal cost of gas production
Start & Shutdown Cost - $Start & Shutdown Cost - $000ProductionLT Plan, MT Schedule, ST ScheduleFalseCost of unit starts and shutdowns
Start Profile Violation - GJ (Metric), MMBtu (U.S. Imperial)Start Profile Violation - TJ (Metric), BBtu (U.S. Imperial)ProductionLT Plan, MT Schedule, ST ScheduleFalseViolation of [Start Profile] constraint.
Start Profile Violation Cost - $Start Profile Violation Cost - $000ProductionLT Plan, MT Schedule, ST ScheduleFalseCost of [Start Profile] violations.
Total Cost - $000Total Cost - $000ExpansionLT PlanFalseTotal of fixed and variable costs
Units UnitsProductionLT PlanFalseNumber of Gas Plant units in service
Units Built Units BuiltExpansionLT PlanFalseNumber of gas plant units built
Units Operating ProductionLT Plan, MT Schedule, ST ScheduleFalseNumber of units operating
Units Out ReliabilityLT Plan, MT Schedule, ST ScheduleFalseNumber of units out of service
Units Retired Units RetiredExpansionLT PlanFalseNumber of gas plant units retired
Units Shutdown Units ShutdownProductionLT Plan, MT Schedule, ST ScheduleFalseNumber of units shutdown
Units Started Units StartedProductionLT Plan, MT Schedule, ST ScheduleFalseNumber of units started
VO&M Cost - $VO&M Cost - $000ProductionLT Plan, MT Schedule, ST ScheduleFalseVariable operations and maintenance cost
x xPass-throughLT Plan, MT Schedule, ST ScheduleTrueValue to pass-through to solution
y yPass-throughLT Plan, MT Schedule, ST ScheduleTrueValue to pass-through to solution
z zPass-throughLT Plan, MT Schedule, ST ScheduleTrueValue to pass-through to solution