How many solar farms are planned in MISO?

Developers have proposed 588 solar farms in MISO with 100 GW of capacity, according to the grid operators' interconnection queues. Most queue projects are never built.

What is the largest planned solar farm in MISO?

Ipava-Maple Ridge 345kV (4573) in Fulton County, Illinois is the largest planned, at 821 MW. It is expected to come online in 2024.

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.

Planned solar farms in MISO

Developers have proposed 588 solar farms in MISO with 100 GW of capacity, in the grid operators' interconnection queues.

Planned588

See operating solar farms in MISO

Updated monthly. Last updated November 2026.

Under 50 MW50–249 MW250 MW and up

Updated monthly. Last updated November 2026.

More planned solar farms in MISO are expected online in 2026 than in any other year

104

2026’262027’272028’282029’292030’302031’312032’322033’33

Planned solar farms by the year they're expected online. Source: the grid operators' interconnection queues, compiled by Cleanview.

The 10 largest planned solar farms in MISO

Planned, by capacity

#	Solar farm	Location	Expected online	Capacity
1	Ipava-Maple Ridge 345kV (4573)	Fulton County, Illinois	2024	821 MW
2	INDEPENDENCE-ISES - POWERLINE ROAD 500.0kV	Jackson County, Arkansas	2028	625 MW
3	INDEPENDENCE-ISES - POWERLINE ROAD 500.0kV	Jackson County, Arkansas	2028	625 MW
4	Meredosia - Austin 345 kV Line tap	Macoupin County,Morgan County,Sangamon County, Illinois	2024	593 MW
5	WEEDS LAKE - HIPLE 345.0kV	Cass County, Michigan	2029	539 MW
6	West Memphis - Keo 500 kV Line Tap	St. Francis County, Arkansas	2023	500 MW
7	MALLORY 161	Jackson County, Arkansas	2026	500 MW
8	Aster to Commodore	Perry County, Illinois	2024	500 MW
9	Sandy Bayou	Mississippi County, Arkansas	2027	500 MW
10	Cargas	Ouachita Parish, Louisiana	2027	500 MW

Planned solar farms expected online soonest in MISO

In the next 18 months, soonest first

#	Solar farm	Location	Expected online	Capacity
1	STONE LAKE	Sawyer County, Wisconsin	2026	244 MW
2	7W_FRFT_E - 7NORRIS 345.0kV	Hamilton County, Illinois	2026	140 MW
3	Ramsey East 138kV Substation	Fayette County, Illinois	2026	100 MW
4	Aster 138kV Substation	Perry County, Illinois	2026	100 MW
5	Edwardsport - Vincennes 138.0kV	Knox County, Indiana	2027	160 MW
6	ALEXANDRIA	Douglas County, Minnesota	2027	40 MW
7	STUTTGART RICUSKEY - WOODWARD 230 SUB 230.0kV	Arkansas County, Arkansas	2027	215 MW
8	Hineston	Rapides Parish, Louisiana	2027	200 MW
9	J1577 Sub (337689)	Grant County, Arkansas	2027	100 MW
10	Lake Village Bagby 115 KV	Chicot County, Arkansas	2027	250 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 planned in MISO?: Developers have proposed 588 solar farms in MISO with 100 GW of capacity, according to the grid operators' interconnection queues. Most queue projects are never built.
What is the largest planned solar farm in MISO?: Ipava-Maple Ridge 345kV (4573) in Fulton County, Illinois is the largest planned, at 821 MW. It is expected to come online in 2024.
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.