576.3 MW Natural Gas operating in Polk, IA — Midcontinent Independent Transmission System Operator, Inc..
576.3 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
2003
Operating Since
Coordinates
41.5563, -93.5283
County
Polk, IA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | MidAmerican Energy Co | MidAmerican Energy | — |
| Owner(s) | MidAmerican Energy Co | Berkshire Hathaway | — |
| Status | Operating | — | — |
The Greater Des Moines Energy Center is a 576.3 MW natural gas-fired combined cycle power plant located in Polk County, Iowa. The plant, which began operating in 2003, is owned by Berkshire Hathaway and operated by MidAmerican Energy Company. It consists of three generators utilizing natural gas as its primary fuel source. The plant is the third-largest of 13 power plants in Iowa, and ranks 425th out of 945 plants nationally.
In the most recent year of data, the Greater Des Moines Energy Center generated 2,178,470 MWh of electricity, achieving a capacity factor of 42.9%. The plant operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority. Financial data indicates an installed cost of $572.64 per kW, according to FERC filings.
Generated from EIA, GEM, and public data sources
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
184.0K MWh
Latest Month
2.2M MWh
Annual Generation
42.9%
Capacity Factor
$530/kW
Installed Cost
$25.8/MWh
Operating Cost
MidAmerican Energy Company
Reporting Utility
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Point of Interconnection
Nearest Substation
Greater Des Moines Energy Center Substation · 345 kV
Substation Distance
< 10 km
Operator
MidAmerican Energy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
MEC.CC.GDM1&2
Pricing Hub
MINN.HUB
Node Source
EIA-860 direct report
Red Flag Warning: Sac; Calhoun; Crawford; Carroll; Greene; Boone; Audubon; Guthrie; Dallas; Polk; Cass; Adair; Madison
Red Flag Warning issued March 21 at 9:44AM CDT until March 21 at 10:00PM CDT by NWS Des Moines IA
Surge Announces Former Berkshire Hathaway Energy Executive Mr. Richard Weech Joins the Board as an Independent Director
West Vancouver, British Columbia--(Newsfile Corp. - March 17, 2026) - Surge Battery Metals Inc. TSXV:NILI (OTCQX: NILIF) (FSE: DJ5) (the...
The Complete Guide to Starting an AI Career in Des Moines, IA in 2026
Launch your AI career in Des Moines, IA in 2026. This guide covers key roles, salary data, cost of living advantages, and education paths...
Vermeer reveals plans for new Iowa manufacturing center
Equipment manufacturer Vermeer, which has its headquarters in Pella, Iowa, is to construct a new 300,000 square foot facility in Bondurant...
Last updated 2026-03-21
View all 10 articles