How many solar farms are in MISO?

MISO has 1,212 operating utility-scale solar farms with 25 GW of capacity, according to the EIA's monthly survey of power plants.

What is the largest solar farm in MISO?

Double Back Diamond in Sangamon County, Illinois is the largest, at 593 MW. It came online in 2024.

How many solar farms were built in MISO in 2025?

172 solar farms came online in MISO in 2025, with 7,228 MW of capacity.

Who is developing solar farms in MISO?

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 MISO

MISO has 1,212 operating solar farms with 25 GW of capacity. 172 came online in 2025.

Operating1,212

See planned solar farms in MISO

Updated monthly. Last updated November 2026.

Under 50 MW50–249 MW250 MW and up

Updated monthly. Last updated November 2026.

MISO had 94 solar farms online in 2016 and 1,212 in 2026

170

268

383

549

686

754

849

969

1,141

1,212

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 MISO

Operating, by capacity

#	Solar farm	Location	Year online	Capacity
1	Double Back Diamond	Sangamon County, Illinois	2024	593 MW
2	Dunns Bridge II Solar	Starke County, Indiana	2025	435 MW
3	Oxbow Solar 1	Pointe Coupee Parish, Louisiana	2024	300 MW
4	Split Rail Solar Energy LLC	Warren County, Missouri	2026	300 MW
5	Archtop Solar	Ford County, Illinois	2026	287 MW
6	Emily Solar, LLC	Cumberland County, Illinois	2025	274 MW
7	Dunns Bridge I Solar	Jasper County, Indiana	2023	265 MW
8	Darien Solar	Rock County, Wisconsin	2025	250 MW
9	Muskegon Solar	Muskegon County, Michigan	2026	250 MW
10	Maple Flats	Clay County, Illinois	2024	250 MW

Solar farms that came online most recently in MISO

Newest first

#	Solar farm	Location	Year online	Capacity
1	Casey Fork Solar, LLC	Jefferson County, Illinois	2026	150 MW
2	Jackson County Solar, LLC	Jackson County, Michigan	2026	125 MW
3	Cold Creek Solar Park	Branch County, Michigan	2026	100 MW
4	Bluestar Solar Project, LLC	Montgomery County, Illinois	2026	5 MW
5	McCray Solar 1, LLC	Bond County, Illinois	2026	5 MW
6	Dragon's Breath Solar LLC PV	Tazewell County, Illinois	2026	5 MW
7	SR Cherry Valley	Cross County, Arkansas	2026	5 MW
8	Ember Sun LLC PV	McDonough County, Illinois	2026	3 MW
9	Clark Solar-Longwood	Clark County, Wisconsin	2026	3 MW
10	Ringe	Olmsted County, Minnesota	2026	3 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 MISO

How many solar farms are in MISO?: MISO has 1,212 operating utility-scale solar farms with 25 GW of capacity, according to the EIA's monthly survey of power plants.
What is the largest solar farm in MISO?: Double Back Diamond in Sangamon County, Illinois is the largest, at 593 MW. It came online in 2024.
How many solar farms were built in MISO in 2025?: 172 solar farms came online in MISO in 2025, with 7,228 MW of capacity.
Who is developing solar farms in MISO?: 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.