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811.9 MW Sub. Coal operating in Louisa, IA — Midcontinent Independent Transmission System Operator, Inc..
811.9 MW
Nameplate Capacity
1
Generators
unit
Conventional Steam Coal
Technology
1983
Operating Since
Coordinates
41.3181, -91.0931
County
Louisa, IA
Nearby Plants
| 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 | — | — |
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
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
461.9K MWh
Latest Month
4.5M MWh
Annual Generation
63.8%
Capacity Factor
CO₂ Intensity
2231 lb/MWh
NOx
2 lb/MWh
SO₂
Steam turbine · Interstate Power and Light Company · Data from 2015–2024
$1,337/kW
Installed Cost
$-1/kW
Annual CapEx
$34.9/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Point 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
Alt. Hub / Zone
ILLINOIS.HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
Last updated 2026-04-09
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ask pi about LouisaMidcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
345.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
3 lb/MWh
CH₄
0.254 lb/MWh
N₂O
0.037 lb/MWh
Capacity Factor
50.8%
Annual Net Gen
3612 GWh
CO₂eq
2248 lb/MWh
Subregion
MRO West