How many solar farms are in Iowa?

Iowa has 37 operating utility-scale solar farms with 0.7 GW of capacity, according to the EIA's monthly survey of power plants.

What is the largest solar farm in Iowa?

Pleasant Creek Unit 2 in Linn County, Iowa is the largest, at 150 MW. It came online in 2024.

How many solar farms were built in Iowa in 2025?

7 solar farms came online in Iowa in 2025, with 20 MW of capacity.

Who is developing solar farms in Iowa?

Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.

Solar farms in Iowa

Iowa has 37 operating solar farms with 0.7 GW of capacity. 7 came online in 2025.

Operating37

See planned solar farms in Iowa

Updated monthly. Last updated November 2026.

Under 50 MW50–249 MW250 MW and up

Updated monthly. Last updated November 2026.

Iowa had 3 solar farms online in 2016 and 37 in 2026

2016’162017’172018’182019’192020’202021’212022’222023’232024’242025’252026’26

Solar farms online at the end of each year. Source: EIA-860M, compiled by Cleanview.

The 10 largest solar farms in Iowa

Operating, by capacity

#	Solar farm	County	Year online	Capacity
1	Pleasant Creek Unit 2	Linn County	2024	150 MW
2	Wever Solar (150MW)	Lee County	2024	150 MW
3	Wapello Solar LLC	Louisa County	2021	100 MW
4	Holliday Creek Solar	Webster County	2022	100 MW
5	Pleasant Creek Unit 1	Linn County	2024	50 MW
6	Creston Solar (50 MW)	Union County	2024	50 MW
7	Arbor Hill Solar	Adair County	2022	25 MW
8	Franklin County Solar	Franklin County	2022	7 MW
9	Grinnell Customer Hosted Solar	Poweshiek County	2025	5 MW
10	Cedar Rapids Community Solar	Linn County	2024	5 MW

Solar farms that came online most recently in Iowa

Newest first

#	Solar farm	County	Year online	Capacity
1	Grinnell Customer Hosted Solar	Poweshiek County	2025	5 MW
2	Waverly Solar - (IA)	Bremer County	2025	4 MW
3	Indianola Solar	Warren County	2025	3 MW
4	Little Cedar	Mitchell County	2025	3 MW
5	Clinton Schools	Clinton County	2025	1 MW
6	Douglas (IA)	Mitchell County	2025	3 MW
7	Creston School Customer Hosted Solar	Union County	2025	1 MW
8	Pleasant Creek Unit 2	Linn County	2024	150 MW
9	REG Mason City Solar	Cerro Gordo County	2024	3 MW
10	Wever Solar (150MW)	Lee County	2024	150 MW

The developer behind each project is on paid plans. See plans

How Cleanview tracks solar farms

Operating solar farms come from the EIA's monthly survey of power plants. Planned projects come from the grid operators' interconnection queues. We research who is developing each one, since a queue lists a project company, not its owner.

Questions about solar farms in Iowa

How many solar farms are in Iowa?: Iowa has 37 operating utility-scale solar farms with 0.7 GW of capacity, according to the EIA's monthly survey of power plants.
What is the largest solar farm in Iowa?: Pleasant Creek Unit 2 in Linn County, Iowa is the largest, at 150 MW. It came online in 2024.
How many solar farms were built in Iowa in 2025?: 7 solar farms came online in Iowa in 2025, with 20 MW of capacity.
Who is developing solar farms in Iowa?: Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.