How many solar farms are planned in SPP?

Developers have proposed 151 solar farms in SPP with 27 GW of capacity, according to the grid operators' interconnection queues. Most queue projects are never built.

What is the largest planned solar farm in SPP?

Johnson Solar in Johnson County, Kansas is the largest planned, at 500 MW. It is expected to come online in 2030.

Who is developing solar farms in SPP?

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 SPP

Developers have proposed 151 solar farms in SPP with 27 GW of capacity, in the grid operators' interconnection queues.

Planned151

See operating solar farms in SPP

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 SPP are expected online in 2028 than in any other year

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 SPP

Planned, by capacity

#	Solar farm	Location	Expected online	Capacity
1	Johnson Solar	Johnson County, Kansas	2030	500 MW
2	Burt Solar	Burt County, Nebraska	2029	500 MW
3	Comanche Solar	Comanche County, Oklahoma	2028	500 MW
4	Coffey Solar	Coffey County, Kansas	2030	500 MW
5	Garner Solar	Garner County, Kansas	2028	425 MW
6	Henry County Solar	Henry County, Missouri	2027	400 MW
7	Hodgeman/Ford Solar	Hodgeman/Ford County, Kansas	2029	400 MW
8	Elk Solar	Elk County, Kansas	2028	400 MW
9	Muskogee Solar	Muskogee County, Oklahoma	2030	390 MW
10	Levelland Solar	Levelland County, Texas	2030	384 MW

Planned solar farms expected online soonest in SPP

In the next 18 months, soonest first

#	Solar farm	Location	Expected online	Capacity
1	Ochiltree County Solar	Ochiltree County, Texas	2026	200 MW
2	Johnston County Solar	Johnston County, Oklahoma	2026	200 MW
3	Muskogee County Solar	Muskogee County, Oklahoma	2026	200 MW
4	Yuma County Solar	Yuma County, Colorado	2026	199 MW
5	Lea Solar	Lea County, New Mexico	2026	110 MW
6	Texas County Solar	Texas County, Oklahoma	2026	103 MW
7	Lancaster Solar	Lancaster County, Nebraska	2026	74 MW
8	Lancaster Solar	Lancaster County, Nebraska	2026	51 MW
9	Henry County Solar	Henry County, Missouri	2027	400 MW
10	Lea Solar	Lea County, New Mexico	2027	75 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 SPP

How many solar farms are planned in SPP?: Developers have proposed 151 solar farms in SPP with 27 GW of capacity, according to the grid operators' interconnection queues. Most queue projects are never built.
What is the largest planned solar farm in SPP?: Johnson Solar in Johnson County, Kansas is the largest planned, at 500 MW. It is expected to come online in 2030.
Who is developing solar farms in SPP?: 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.