How many wind farms are in Pennsylvania?

Pennsylvania has 28 operating utility-scale wind farms with 1.7 GW of capacity, according to the EIA's monthly survey of power plants.

What is the largest wind farm in Pennsylvania?

Mehoopany Wind Energy LLC in Wyoming County, Pennsylvania is the largest, at 141 MW. It came online in 2012.

How many wind farms were built in Pennsylvania in 2025?

0 wind farms came online in Pennsylvania in 2025, with 0 MW of capacity.

Who is developing wind 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.

Wind farms in Pennsylvania

Pennsylvania has 28 operating wind farms with 1.7 GW of capacity.

Operating28

See planned wind farms in Pennsylvania

Updated monthly. Last updated November 2026.

Under 50 MW50–249 MW250 MW and up

Updated monthly. Last updated November 2026.

Pennsylvania had 25 wind farms online in 2016 and 28 in 2026

2016’162017’172018’182019’192020’202021’212022’222023’232024’242025’252026’26

Wind farms online at the end of each year. Source: EIA-860M, compiled by Cleanview.

The 10 largest wind farms in Pennsylvania

Operating, by capacity

#	Wind farm	County	Year online	Capacity
1	Mehoopany Wind Energy LLC	Wyoming County	2012	141 MW
2	Twin Ridges Wind Farm	Somerset County	2012	139 MW
3	CPV Rogue's Wind, LLC	Cambria County	2026	114 MW
4	Locust Ridge II LLC	Schuylkill County	2009	102 MW
5	Armenia Mountain Wind Farm	Tioga County	2009	101 MW
6	Big Level Wind	Potter County	2019	90 MW
7	Sandy Ridge Wind 2, LLC	Blair County	2023	88 MW
8	Allegheny Ridge Wind Farm	Cambria County	2007	80 MW
9	North Allegheny Windpower Project	Blair County	2009	75 MW
10	Highland North Wind Farm	Cambria County	2012	75 MW

Wind farms that came online most recently in Pennsylvania

Newest first

#	Wind farm	County	Year online	Capacity
1	CPV Rogue's Wind, LLC	Cambria County	2026	114 MW
2	Sandy Ridge Wind 2, LLC	Blair County	2023	88 MW
3	Big Level Wind	Potter County	2019	90 MW
4	Ringer Hill Wind Farm, LLC	Somerset County	2016	40 MW
5	Mehoopany Wind Energy LLC	Wyoming County	2012	141 MW
6	Twin Ridges Wind Farm	Somerset County	2012	139 MW
7	Patton Wind Farm	Cambria County	2012	30 MW
8	Laurel Hill Wind	Lycoming County	2012	69 MW
9	South Chestnut LLC	Fayette County	2012	50 MW
10	Highland North Wind Farm	Cambria County	2012	75 MW

The developer behind each project is on paid plans. See plans

How Cleanview tracks wind farms

Operating wind 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 wind farms in Pennsylvania

How many wind farms are in Pennsylvania?: Pennsylvania has 28 operating utility-scale wind farms with 1.7 GW of capacity, according to the EIA's monthly survey of power plants.
What is the largest wind farm in Pennsylvania?: Mehoopany Wind Energy LLC in Wyoming County, Pennsylvania is the largest, at 141 MW. It came online in 2012.
How many wind farms were built in Pennsylvania in 2025?: 0 wind farms came online in Pennsylvania in 2025, with 0 MW of capacity.
Who is developing wind 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.