OilOperatingMISO

Lime Creek

Oil power plant in Cerro Gordo County, Iowa. 90.2 MW of nameplate capacity across 2 generators, operated by Interstate Power and Light Co.

Also known as EIA plant 7155

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Roeder Family Wind Farm LLCREG Mason City SolarNorthern Iowa Windpower IICED Mason City WindWindwalkers LLCLime Creek5 km
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6 plants within 16 km, from EIA coordinates.

Key facts

Capacity
90.2 MWNameplate
Generators
2 operatingEIA-860M, August 2026
Operating since
May 1991First generator online
Operator
Interstate Power and Light CoEIA operator ID 9417
Grid
MISOBalancing authority MISO
Price nodes
2 MISO nodesResource nodes with prices
Location
Cerro Gordo County, IA43.2481, −93.2050
EIA plant ID
7155EIA plant page

Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.

How much power Lime Creek produces

Free · EIA-923

Net generation, 2025

1.13 GWh

1,132 MWh, final

Capacity factor, 2025

0.1%

2024: 0.0%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2025

−0.3–1.8

GWh a year. Low 2020, high 2018

Annual net generation, GWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
20006,002Not reported12 of 12
20015,483Not reported12 of 12
20024,764Not reported12 of 12
20039,491Not reported11 of 12
20044,182Not reported12 of 12
200532,608Not reported12 of 12
200633,833Not reported12 of 12
200733,394Not reported12 of 12
20084,372Not reported12 of 12
2009496Not reported12 of 12
2010−495-0.1%12 of 12
2011−51Not reported12 of 12
20129000.1%12 of 12
2013−1,041-0.1%12 of 12
2014−674-0.1%12 of 12
2015620.0%12 of 12
2016630.0%12 of 12
20173660.0%12 of 12
20181,8450.2%12 of 12
20195570.1%12 of 12
2020−304-0.0%12 of 12
20216800.1%12 of 12
20221,8450.2%12 of 12
20233990.1%12 of 12
20241150.0%12 of 12
20251,1320.1%12 of 12
2026 (provisional, partial year)Not reportedNot reported0 of 7

* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.

Power prices and basis

Free account · MISO

Emissions

Free · EPA CAMPD

CO₂, 2025

1,397

US short tons. 2024: 146

SO₂, 2025

0

US short tons

NOx, 2025

2

US short tons

CO₂ per MWh, calculated

1.23 t

About 2,468 lb per MWh

2 of 2 EPA units reported CO₂ in 2025 (**1, **2), matched to EIA plant 7155 through the EPA–EIA crosswalk. The per-MWh rate is EPA CO₂ divided by EIA-923 net generation. The two reporting boundaries can differ.

Water use

Free · EIA-923 cooling, USGS

No EIA cooling-water record for this plant in 2024.

Generators

Free · EIA-860M
GeneratorTechnologyNameplate MWOnline since
1Petroleum Liquids45.1May 1991
2Petroleum Liquids45.1May 1991

Ownership and offtake

Pro
Pro

Ownership and offtake are part of Pro

Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Interstate Power and Light Co as the operator, which is not always the owner.

Modeled data

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Pro adds modeled values for this plant. Everything above stays free.

Modeled

Generation potential vs reported

Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.

Analyst and MCP

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Power plants near Lime Creek

More plants operated by Interstate Power and Light Co

Questions about Lime Creek

How much power does Lime Creek produce?

Lime Creek reported 1,132 MWh (1.13 GWh) of net generation in 2025, a 0.1% capacity factor on 90.2 MW of nameplate capacity.

Where is Lime Creek?

Lime Creek is in Cerro Gordo County, Iowa, at 43.2481, −93.2050. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).

Who operates Lime Creek?

EIA-860M for August 2026 lists Interstate Power and Light Co as the operator (EIA operator ID 9417). The operator is not always the owner.

When did Lime Creek start operating?

Its first generator began operating in May 1991, according to EIA-860M.

Does InfraMap have power prices for Lime Creek?

Yes. InfraMap has MISO day-ahead and real-time prices at 2 price nodes linked to Lime Creek, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.

Sources

  • EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
  • EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
  • EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
  • MISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05

Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page