Louisa — Plant Summary
- EIA Plant ID
- 6664
- Capacity
- 811.9 MW
- Primary Fuel
- Coal
- Technology
- Conventional Steam Coal
- Status
- Operating
- Location
- Louisa, IA
- Operating Since
- 1983
- Generators
- 1
- Operator
- MidAmerican Energy Co
- Parent Company
- Central Iowa Power
- Annual Generation
- 4,534,173 MWh
- Capacity Factor
- 63.8%
- Balancing Authority
- Midcontinent Independent Transmission System Operator, Inc..
- ISO/RTO
- MISO
- NERC Region
- MRO
Louisa
OperatingSub. Coal
Ranked #2 of 8 Sub. Coal plants in IA#47 of 103 nationally
811.9 MW Sub. Coal operating in Louisa, IA — Midcontinent Independent Transmission System Operator, Inc..
EIAWD
811.9 MW
Nameplate Capacity
1
Generators
unit
Conventional Steam Coal
Technology
1983
Operating Since
Location
Coordinates
41.3181, -91.0931
County
Louisa, IA
Nearby Plants
- Muscatine Plant #1Sub. Coal310.5 MW · 8.7 km
- Wapello Solar LLCSolar100 MW · 19.3 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | MidAmerican Energy Co | Central Iowa Power | — |
| Owner(s) | Central Iowa Power Cooperative, City of Geneseo - (IL), City of Tipton - (IA), Eldridge City Utilities, Harlan Municipal Utilities - (IA), IES Utilities, Inc, MidAmerican Energy Co, Waverly Municipal Elec Utility | Central Iowa Power | — |
| Status | Operating | — | — |
Ownership Chain
About
The Louisa Generating Station is located in Louisa County, Iowa. The plant has a total capacity of 811.9 MW and began operating in 1983. It is owned by Central Iowa Power and operated by MidAmerican Energy Co. The plant utilizes a single generator with conventional steam coal technology, burning subbituminous coal (SUB) as its primary fuel. Louisa Generating Station is the second-largest of 9 coal plants in Iowa, and ranks 41st out of 75 coal plants nationally.
The plant operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority. The most recent annual generation data indicates an output of 4,534,173 MWh, resulting in a capacity factor of 63.8%. Financial data indicates an installed cost of $1091.03 per kW, as reported to FERC.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
MRO
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
345 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
461.9K MWh
Latest Month
4.5M MWh
Annual Generation
63.8%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: FERC Form 1HIGH
$1,337/kW
Installed Cost
$34.9/MWh
Operating Cost
Interstate Power and Light Company
Reporting Utility
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Louisa Substation
Substation Distance
< 10 km
Operator
MidAmerican Energy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
MEC.LOUISA_1
Pricing Hub
MINN.HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
News & Articles (10)Beta
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Fluvanna PC votes against second gas plant
At the Jan. 13 Fluvanna County Planning Commission (PC) meeting, the commission voted 3-1 against a second gas plant in the county,...
The Central Virginian·2 months ago
General
Fluvanna PC votes against second gas plant
At the Jan. 13 Fluvanna County Planning Commission (PC) meeting, the commission voted 3-1 against a second gas plant in the county,...
The Central Virginian·2 months ago
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Louisa County couple use woodworking to raise money for the Muscatine Humane Society
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WQAD·2 months ago
Industry·corporate
Energy giants back net zero as Coalition reignites climate war
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Last updated 2026-03-26
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