Waterloo

Power plant · Gas, combustion turbine

Key facts

Power plant · Gas, combustion turbine Operating

Commissioned: 1946
Net generation, 2025: 751 MWh
Grid: 34 kV to City of Waterloo - (IL) (MISO)
Location: Monroe County, Illinois
Operated by: City of Waterloo - (IL)SourceEIA-860M Preliminary Monthly Electric Generator Inventory

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: 80 years since 1946
Unused energy: 334 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: 12,250 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 34.50 Transmission owner City of Waterloo - (IL) Balancing authority code MISO Balancing authority name Midcontinent Independent Transmission System Operator, Inc..
Eia status	By code OP Mw 27 Units 6 OS Mw 1.40 Units 4 SB Mw 9.80 Units 4 Standby mw 9.80 Status rule some_units_idle In service mw 38.20 Out of service mw 1.40
Fuel burned (MMBtu), 2025	9,200
Capacity factor, 2025	0.002
Heat rate (Btu/kWh), 2025	12,250.3
Net generation (MWh), 2025	751
Balancing authority code	MISO