How many solar farms are in Idaho?

Idaho has 14 operating utility-scale solar farms with 0.8 GW of capacity, according to the EIA's monthly survey of power plants.

What is the largest solar farm in Idaho?

Matrix Pleasant Valley in Ada County, Idaho is the largest, at 200 MW. It came online in 2025.

How many solar farms were built in Idaho in 2025?

1 solar farm came online in Idaho in 2025, with 200 MW of capacity.

Who is developing solar farms in Idaho?

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 Idaho

Idaho has 14 operating solar farms with 0.8 GW of capacity. 1 came online in 2025.

Operating14

See planned solar farms in Idaho

Updated monthly. Last updated November 2026.

Under 50 MW50–249 MW250 MW and up

Updated monthly. Last updated November 2026.

Idaho had 2 solar farms online in 2016 and 14 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 Idaho

Operating, by capacity

#	Solar farm	County	Year online	Capacity
1	Matrix Pleasant Valley	Ada County	2025	200 MW
2	Pleasant Valley Solar 2 Project	Ada County	2026	125 MW
3	Jackpot Solar, LLC	Twin Falls County	2022	120 MW
4	Franklin Solar Hybrid	Twin Falls County	2024	100 MW
5	Grand View Solar Two	Elmore County	2016	80 MW
6	ID Solar	Ada County	2016	40 MW
7	Black Mesa Solar, LLC	Elmore County	2023	40 MW
8	Mt. Home Solar 1, LLC	Elmore County	2017	20 MW
9	Murphy Flat Solar	Owyhee County	2017	20 MW
10	Orchard Ranch Solar	Ada County	2017	20 MW

Solar farms that came online most recently in Idaho

Newest first

#	Solar farm	County	Year online	Capacity
1	Pleasant Valley Solar 2 Project	Ada County	2026	125 MW
2	Matrix Pleasant Valley	Ada County	2025	200 MW
3	Franklin Solar Hybrid	Twin Falls County	2024	100 MW
4	Black Mesa Solar, LLC	Elmore County	2023	40 MW
5	Jackpot Solar, LLC	Twin Falls County	2022	120 MW
6	Clif Bar Bakery of Twin Falls	Twin Falls County	2019	2 MW
7	Murphy Flat Solar	Owyhee County	2017	20 MW
8	Mt. Home Solar 1, LLC	Elmore County	2017	20 MW
9	Orchard Ranch Solar	Ada County	2017	20 MW
10	American Falls Solar	Power County	2017	20 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 Idaho

How many solar farms are in Idaho?: Idaho has 14 operating utility-scale solar farms with 0.8 GW of capacity, according to the EIA's monthly survey of power plants.
What is the largest solar farm in Idaho?: Matrix Pleasant Valley in Ada County, Idaho is the largest, at 200 MW. It came online in 2025.
How many solar farms were built in Idaho in 2025?: 1 solar farm came online in Idaho in 2025, with 200 MW of capacity.
Who is developing solar farms in Idaho?: 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.