How many solar farms are planned in Pennsylvania?

Developers have proposed 187 solar farms in Pennsylvania with 9.6 GW of capacity, according to the grid operators' interconnection queues. Most queue projects are never built.

What is the largest planned solar farm in Pennsylvania?

Mineral Basin Solar Power in Clearfield County, Pennsylvania is the largest planned, at 402 MW. It is expected to come online in 2029.

Who is developing solar farms in Pennsylvania?

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 Pennsylvania

Developers have proposed 187 solar farms in Pennsylvania with 9.6 GW of capacity, in the grid operators' interconnection queues.

Planned187

See operating solar farms in Pennsylvania

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 Pennsylvania 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 Pennsylvania

Planned, by capacity

#	Solar farm	County	Expected online	Capacity
1	Mineral Basin Solar Power	Clearfield County	2029	402 MW
2	Mineral Basin Solar Power	Clearfield County	2028	402 MW
3	Firefly Solar PA	Lawrence County	2027	402 MW
4	Moonlight Flats Solar Power 1	Clearfield County	2030	250 MW
5	Moonlight Flats Solar	Clearfield County	2029	250 MW
6	Lewis Run - Pierce Brook 230 kV	McKean County	–	240 MW
7	Lewis Run - Pierce Brook 230 kV	McKean County	2024	240 MW
8	Pierce Brook - Lewis Run 230 kV	McKean County	2024	220 MW
9	Farmers Valley – Ridgeway 115 kV	McKean County	–	200 MW
10	Wylie Ridge-Tidd 345kV	Washington County	2025	200 MW

Planned solar farms expected online soonest in Pennsylvania

In the next 18 months, soonest first

#	Solar farm	County	Expected online	Capacity
1	Walker Solar	Juniata County	2026	80 MW
2	Franklin Solar	Crawford County	2026	20 MW
3	Penn Hemlock Solar LLC	Snyder County	2026	3 MW
4	Monroe Route 35 Solar LLC	Juniata County	2026	3 MW
5	Perry Route 104 Solar LLC	Snyder County	2026	3 MW
6	MC Solar	Mercer County	2027	50 MW
7	MC Solar	Mercer County	2027	50 MW
8	Abes Run Solar	Clearfield County	2027	20 MW
9	Abes Run Solar	Clearfield County	2027	14 MW
10	Shamrock Energy Center	Adams County	2027	40 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 Pennsylvania

How many solar farms are planned in Pennsylvania?: Developers have proposed 187 solar farms in Pennsylvania with 9.6 GW of capacity, according to the grid operators' interconnection queues. Most queue projects are never built.
What is the largest planned solar farm in Pennsylvania?: Mineral Basin Solar Power in Clearfield County, Pennsylvania is the largest planned, at 402 MW. It is expected to come online in 2029.
Who is developing solar farms in Pennsylvania?: 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.