How many solar farms are planned in PJM?

Developers have proposed 600 solar farms in PJM with 77 GW of capacity, according to the grid operators' interconnection queues. Most queue projects are never built.

What is the largest planned solar farm in PJM?

Nelson-Electric Junction 345 kV in Lee County, Illinois is the largest planned, at 1,200 MW. It is expected to come online in 2025.

Who is developing solar farms in PJM?

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 PJM

Developers have proposed 600 solar farms in PJM with 77 GW of capacity, in the grid operators' interconnection queues.

Planned600

See operating solar farms in PJM

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 PJM 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 PJM

Planned, by capacity

#	Solar farm	Location	Expected online	Capacity
1	Nelson-Electric Junction 345 kV	Lee County, Illinois	2025	1,200 MW
2	Nelson-Electric Junction 345 kV	Lee County, Illinois	–	1,200 MW
3	Nelson-Electric Junction 345 kV	Lee County, Illinois	2025	1,000 MW
4	Nelson-Electric Junction 345 kV	Lee County, Illinois	–	1,000 MW
5	Jefferson-Greentown 765 kV	Rush County, Indiana	2024	835 MW
6	Blackwater Solar	Sussex County, Virginia	2030	800 MW
7	Oak Run Solar Project	Madison County, Ohio	2030	800 MW
8	Nelson - Electric Junction 345 kV	Lee County, Illinois	2024	800 MW
9	Nelson - Electric Junction 345 kV	Lee County, Illinois	–	800 MW
10	Jefferson-Greentown 765 kV	Decatur County, Indiana	2024	715 MW

Planned solar farms expected online soonest in PJM

In the next 18 months, soonest first

#	Solar farm	Location	Expected online	Capacity
1	Blackford Solar Energy Project	Jay County, Indiana	2026	150 MW
2	Prairie 345 kV	McHenry County, Illinois	2026	150 MW
3	Albemarle Beach Solar	Washington County, North Carolina	2026	140 MW
4	Border Basin	Hancock County, Ohio	2026	120 MW
5	Blue Rock Solar	Buckingham County, Virginia	2026	100 MW
6	Nottingham Solar	Harrison County, Ohio	2026	100 MW
7	Rippon	Jefferson County, West Virginia	2026	99 MW
8	Sweet Sue Solar	King William County, Virginia	2026	74 MW
9	Blue Moon Solar	Harrison County, Kentucky	2026	70 MW
10	Flat Run Solar	Barren County, Kentucky	2026	55 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 PJM

How many solar farms are planned in PJM?: Developers have proposed 600 solar farms in PJM with 77 GW of capacity, according to the grid operators' interconnection queues. Most queue projects are never built.
What is the largest planned solar farm in PJM?: Nelson-Electric Junction 345 kV in Lee County, Illinois is the largest planned, at 1,200 MW. It is expected to come online in 2025.
Who is developing solar farms in PJM?: 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.