Interstate

Power plant · Gas, combustion turbine

Key facts

Power plant · Gas, combustion turbine Operating

Net generation MWh by year, 2001 to 2025

Fuel burned MMBtu by year, 2001 to 2025

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Technology: Gas, combustion turbine source: “Natural Gas Fired Combustion Turbine”
Age: 29 years since 1997
Unused energy: 1,157 GWh 2025Unused energyA lead, not a guarantee: MW × hours × (1 − capacity factor) for the latest year (EIA-923), gas, coal and oil plants only. Air-permit run-hour caps, heat rate (cost to run) and capacity-market or reliability obligations can rule it out.
Heat rate: 12,483 Btu/kWh 2025

All 7 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory

Attributes
Attribute	Value
Grid	Nerc region SERC Report year 2025 Grid voltage kv 138 Transmission owner City of Springfield - (IL) Balancing authority code MISO Balancing authority name Midcontinent Independent Transmission System Operator, Inc..
EPA greenhouse gas reporting (GHGRP)	EPA FRS ID 110063747879 Subparts reported D NAICS code 221112 Subpart PP (CO2 supply) No Subpart RR (geologic sequestration) No Subpart UU (CO2 injection) No Reporting year 2023 GHGRP facility ID 1001122
Fuel burned (MMBtu), 2025	718,079
Capacity factor, 2025	0.047
Heat rate (Btu/kWh), 2025	12,482.7
Net generation (MWh), 2025	57,526.0
Balancing authority code	MISO

2 companies

Companies with an ownership or operating interest in this asset.
Company	Role	Share	As of	Source
City of Springfield - (IL)	Operator			EIA-860M
CITY OF SPRINGFIELD ILLINOIS	Owner	100.0%	31 Dec 2023	EPA GHGRP

4 sources

Sources

Projects within 25 km, nearest first.
Project	Kind	Away	MW
CENTRAL COMPUTING FACILITY, CMS Built	Large load	6.3 km
Prairie Energy Postponed	Coal	21.0 km	91
Sangamon Wind Two LLC Postponed	Wind	23.5 km	100
ILL060-Sangamon-Atchison Under construction	Solar	24.9 km	2

Sources