Explore the largest natural gas power plants in Iowa and see all the utility-scale natural gas projects in Iowa on a map.
Last updated: May 2026
On this page, you can explore our real-time database of natural gas power plants in Iowa. Each month, we track natural gas projects and update our list of the largest natural gas power plants in Iowa.
As of May 2026, there are 45 utility-scale natural gas power plants in Iowa, according to Cleanview's project tracker. Their total operating capacity is 4,400 MW. See also: planned natural gas power plants in Iowa→
Total Natural Gas Power Plants
45
Total Capacity
4,400 MW
Built in 2025
0
Map of natural gas power plants in Iowa. Marker size reflects capacity — only facilities with reported capacity data are shown.
706 MW
Year Operational: April 2017
Location: Marshall, Iowa
603 MW
Year Operational: May 2004
Location: Cerro Gordo, Iowa
576 MW
Year Operational: December 2004
Location: Polk, Iowa
291 MW
Year Operational: April 1996
Location: Des Moines, Iowa
264 MW
Year Operational: January 1978
Location: Black Hawk, Iowa
199 MW
Year Operational: April 1967
Location: Linn, Iowa
189 MW
Year Operational: July 1978
Location: Marshall, Iowa
182 MW
Year Operational: April 2007
Location: Audubon, Iowa
180 MW
Year Operational: June 1994
Location: Polk, Iowa
4 MW
Year Operational: December 2023
Location: Palo Alto, Iowa
39 MW
Year Operational: December 2022
Location: Johnson, Iowa
119 MW
Year Operational: April 2021
Location: Union, Iowa
5 MW
Year Operational: March 2019
Location: Hamilton, Iowa
5 MW
Year Operational: November 2018
Location: Webster, Iowa
5 MW
Year Operational: October 2018
Location: Adams, Iowa
706 MW
Year Operational: April 2017
Location: Marshall, Iowa
39 MW
Year Operational: September 2016
Location: Linn, Iowa
3 MW
Year Operational: June 2010
Location: Johnson, Iowa
Cleanview