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Prairie Creek — renewablesinfo.org

Prairie Creek — Plant Summary

EIA Plant ID: 1073
Capacity: 213.4 MW
Primary Fuel: Natural Gas
Technology: Conventional Steam Coal, Natural Gas Steam Turbine
Status: Operating
Location: Linn, IA
Operating Since: 1958
Generators: 3
Operator: Interstate Power and Light Co
Parent Company: Alliant Energy
Annual Generation: 97,236 MWh
Capacity Factor: 5.2%
Balancing Authority: Midcontinent Independent Transmission System Operator, Inc..
ISO/RTO: MISO
NERC Region: MRO

Search ExplorePrairie Creek

Prairie Creek

OperatingNatural GasSub. CoalHybrid

Ranked #6 of 39 Natural Gas plants in IA#738 of 2009 nationally

213.4 MW Conventional Steam Coal (65 MW) + Natural Gas Steam Turbine (149 MW) operating in Linn, IA — Midcontinent Independent Transmission System Operator, Inc..

EIAWD

213.4 MW

Nameplate Capacity

3

Generators

units

Hybrid (2)

Technology

Conventional Steam Coal + Natural Gas Steam Turbine

1958

Operating Since

Location

Coordinates

41.9440, -91.6392

County

Linn, IA

Nearby Plants

Alliant SBD 9203 Profol
Distillate Oil5.6 MW · 1.0 km
Alliant SBD 9403 Aegon DC
Distillate Oil4.1 MW · 3.3 km
Alliant SBD0201 Ingredion
Distillate Oil6.1 MW · 3.7 km

Ownership & Operator

Field	EIA	GEM	Wikidata
Operator	Interstate Power and Light Co	Interstate Power and Light	—
Owner(s)	Interstate Power and Light Co	Alliant Energy	—
Status	Operating	—	—

Ownership Chain

About

Prairie Creek is a 213.4 MW hybrid power plant located in Linn County, Iowa. The plant began operating in 1958 and is owned by Alliant Energy and operated by Interstate Power and Light Co. The primary fuel source is subbituminous coal (SUB), and the plant utilizes both conventional steam coal and natural gas steam turbine technologies. It has three generators.

The plant operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the MRO NERC region. In the most recent year with available data, Prairie Creek generated 97,236 MWh, resulting in a capacity factor of 5.2%. The installed cost per kilowatt was $1,174.52, according to FERC data. Prairie Creek is ranked as the 8th largest of 9 power plants in Iowa, and 69th of 75 nationally.

Generated from EIA, GEM, and public data sources

EIA Plant Profile Wikidata

Engineering & Generators

Grid Context

NERC Region

MRO

Balancing Authority

Midcontinent Independent Transmission System Operator, Inc..

Grid Voltage

115 kV

Regulatory Status

RE

Entity Type

Investor-Owned Utility

Sector

Electric Utility

Generation

7.4K MWh

Latest Month

97.2K MWh

Annual Generation

5.2%

Capacity Factor

Jan 2023 – Dec 2025

Financial DataBeta

Source: FERC Form 1HIGH

$1,171/kW

Installed Cost

$0.0/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 confidence

Point of Interconnection

Nearest Substation

Prairie Creek Generating Station · 115 kV

Substation Distance

< 10 km

Operator

ITC

Coord Source

OSM spatial

Market Position

ISO/RTO Market

MISO

LMP Node

ALTW.PRARC4

Pricing Hub

MINN.HUB

Location Type

Generation Node

Node Source

EIA-860 direct report

News & Articles (10)Beta

What They’re Thinking

Industry·corporate

What They’re Thinking

The Prairie Creek coal-powered plant is shown operating on a cold day in December 2022. Alliant Energy has converted the plant to natural gas,...

Alliant Energy (operator)

www.thegazette.com·4 days ago

NWA fishing report: Spring is near, but winter methods rule the day

Industry·corporate

NWA fishing report: Spring is near, but winter methods rule the day

Beaver Lake. The water level of Beaver Lake is low but milder weather has warmed the water a bit, reports Jon Conklin, fishing guide.

Jon Conklin (other)

Northwest Arkansas Democrat-Gazette·3 weeks ago

Alliant plans for natural gas-fired power plant at Prairie Creek moving forward

Industry·corporate

Alliant plans for natural gas-fired power plant at Prairie Creek moving forward

Alliant Energy's plans for a natural gas-fired power plant near the Prairie Creek station in southwest Cedar Rapids are charging forward.

Alliant Energy (developer)

Corridor Business Journal·4 weeks ago

Alliant Energy plans new natural gas generating station in Cedar Rapids as coal era ends

Industry·corporate

Alliant Energy plans new natural gas generating station in Cedar Rapids as coal era ends

Alliant Energy is planning a new natural gas-powered generating station in Cedar Rapids, a move the company says will help meet customer...

Alliant Energy (developer)

KCRG·4 weeks ago

Last updated 2026-03-14

View all 10 articles

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