Technologies

Technology characteristics

Technology GroupFuelLoad factorOutagesEfficiency [%]Ramp rate [%/h]Minimum load factor [%]Ancillary service eligible
Battery100
BiomassBiomass3540
CCGTNatural gasGas/coal schedule57608
Coal steam turbineCoalGas/coal schedule354025
Gas steam turbineNatural gasGas/coal schedule40
Hydro (non-pumped)
Hydro (pumped)
Lignite steam turbineLigniteGas/coal schedule25
NuclearUraniumNuclear schedule095
OCGTNatural gasGas/coal schedule1003
Onshore wind2022 ERCOT wind
Solar PV2022 ERCOT solar

Source - NREL ATB https://atb.nrel.gov/electricity/2023/data

Plant-level modeling

We don't model individual plants

We model all plants of a given technology as a single entity.

We proxy variation of plant behavior within the technology grouping via a heat-rate curve.

Heat-rate curves are tuned to historical technology specific bidding behavriour

Storage