Lake Mills — Plant Summary
- EIA Plant ID
- 1154
- Capacity
- 17.7 MW
- Primary Fuel
- Oil
- Technology
- Petroleum Liquids
- Status
- Operating
- Location
- Winnebago, IA
- Operating Since
- 1962
- Generators
- 4
- Operator
- City of Lake Mills
- Parent Company
- —
- Annual Generation
- 38.02 MWh
- Capacity Factor
- 0.0%
- Balancing Authority
- Midcontinent Independent Transmission System Operator, Inc..
- ISO/RTO
- MISO
- NERC Region
- MRO
Lake Mills
OperatingDistillate Oil
Ranked #12 of 89 Distillate Oil plants in IA#176 of 827 nationally
17.7 MW Distillate Oil operating in Winnebago, IA — Midcontinent Independent Transmission System Operator, Inc..
EIAWD
17.7 MW
Nameplate Capacity
4
Generators
units
Petroleum Liquids
Technology
1962
Operating Since
Location
Coordinates
43.4172, -93.5322
County
Winnebago, IA
Nearby Plants
- Lake Mills Gas RecoveryLandfill Gas4 MW · 4.0 km
- Old Gold Energy Center, LLCWind80 MW · 10.1 km
- Forest City SolarSolar3 MW · 17.6 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | City of Lake Mills | — | — |
| Owner(s) | City of Lake Mills | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
The Lake Mills plant is a 17.7 MW petroleum liquid-fueled power plant located in Winnebago County, Iowa. It began operating in 1962 and is owned and operated by the City of Lake Mills. The plant consists of 4 generators utilizing petroleum liquids technology.
Lake Mills operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority. In the most recent year of data, the plant generated 38 MWh of electricity, reflecting a capacity factor of 0.0%. Lake Mills ranks 13th out of 90 power plants in Iowa and 217th out of 886 plants nationally.
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
12.47 kV
Regulatory Status
RE
Entity Type
Municipal
Sector
Electric Utility
Generation
3 MWh
Latest Month
38 MWh
Annual Generation
0.0%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
MEDIUM confidenceMarket Position
ISO/RTO Market
MISO
LMP Node
—
Pricing Hub
MINN.HUB
Node Source
Shared substation inference
Dairyland Power CoopNearby ISO Node
News & Articles (10)Beta
General
Lake Mills city council approves administration building for updated wastewater treatment plant
The Lake Mills City Council voted to include a new administration building in the first phase of updates to the wastewater treatment plant.
hngnews.com·Yesterday
Industry·corporate
The Energy Boom Is Coming for Great Lakes Water
A six-decade history in the Great Lakes region of ecosystem and water protection is being put to the test as a dynamic era of energy...
Circle of Blue·3 weeks ago
Industry·corporate
Kewaunee County town staves off plan for a land purchase by a data center developer
This story was produced and originally published by Wisconsin Watch, a nonprofit, nonpartisan newsroom. Leaders of data center developer...
Wisconsin Watch (other)
PBS Wisconsin·4 weeks ago
General
The energy boom is coming for Great Lakes water
How the region powers its growth will determine the future of the Great Lakes.
Great Lakes Now·4 weeks ago
Last updated 2026-03-26
View all 10 articles