How many solar farms are planned in Oregon?

Developers have proposed 17 solar farms in Oregon with 4.5 GW of capacity, according to the grid operators' interconnection queues. Most queue projects are never built.

What is the largest planned solar farm in Oregon?

Sunstone Solar in Morrow County, Oregon is the largest planned, at 1,200 MW. It is expected to come online in 2027.

Who is developing solar farms in Oregon?

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 Oregon

Developers have proposed 17 solar farms in Oregon with 4.5 GW of capacity, in the grid operators' interconnection queues.

Planned17

See operating solar farms in Oregon

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 Oregon are expected online in 2027 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 Oregon

Planned, by capacity

#	Solar farm	County	Expected online	Capacity
1	Sunstone Solar	Morrow County	2027	1,200 MW
2	Deschutes Solar and BESS	Wasco County	2029	1,000 MW
3	Cedar Island Solar LLC	Sherman County	2031	800 MW
4	Obsidian Solar Center	Lake County	2028	400 MW
5	Nolin Hills	Umatilla County	2027	300 MW
6	Salmonfly Solar and Storage	Jefferson County	2029	247 MW
7	Wheatridge Optimization II	Morrow County	2027	130 MW
8	Biglow Solar Generation and BESS	Sherman County	2027	125 MW
9	Wheatridge Optimization I	Morrow County	2027	110 MW
10	Sunset Solar	Wasco County	2028	103 MW

Planned solar farms expected online soonest in Oregon

In the next 18 months, soonest first

#	Solar farm	County	Expected online	Capacity
1	Oregon Trail Solar	Gilliam County	2027	41 MW
2	Fry Ontario Solar Project	Malheur County	2027	4 MW
3	Buckaroo Solar 1	Umatilla County	2027	2 MW
4	Sunstone Solar	Morrow County	2027	1,200 MW
5	Nolin Hills	Umatilla County	2027	300 MW
6	Wheatridge Optimization II	Morrow County	2027	130 MW
7	Biglow Solar Generation and BESS	Sherman County	2027	125 MW
8	Wheatridge Optimization I	Morrow County	2027	110 MW
9	Powell Solar	Crook County	2027	56 MW
10	Canyonville Solar LLC (CSG)	Douglas County	2027	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 Oregon

How many solar farms are planned in Oregon?: Developers have proposed 17 solar farms in Oregon with 4.5 GW of capacity, according to the grid operators' interconnection queues. Most queue projects are never built.
What is the largest planned solar farm in Oregon?: Sunstone Solar in Morrow County, Oregon is the largest planned, at 1,200 MW. It is expected to come online in 2027.
Who is developing solar farms in Oregon?: 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.