Maine · Solar

Proposed solar projects in Maine

There are 12 proposed solar projects in Maine's interconnection queue, totaling 646.4 MW of requested capacity. The largest is Solar at 180 MW, and the median planned online year is 2027.

Proposed projects

646.4 MW

Requested capacity

53.9 MW

Average project size

2027

Median planned online year

All proposed solar projects in Maine

	Type	Region		IA Status
Solar 1427	Solar	ISO-NE	York	Feasibility Study	180 MW	2023	2029
Solar 1100	Solar	ISO-NE	Somerset	IA Executed	140 MW	2021	2029
Three Rivers Solar 833	Solar	ISO-NE	Hancock	IA Executed	100 MW	2019	2026
Warren Meadow Solar 1086	Solar	ISO-NE	Knox	IA Executed	74.5 MW	2020	2028
Solar Knox 1190	Solar	ISO-NE	Knox	IA Executed	33.5 MW	2021	2027
BD Solar Church Hill 953	Solar	ISO-NE	Androscoggin	IA Executed	20 MW	2020	2028
GDC Saco Solar 929	Solar	ISO-NE	York	IA Executed	20 MW	2019	2027
Turner Meadow Solar 1139	Solar	ISO-NE	Androscoggin	IA Executed	19.8 MW	2021	2027
SolarFairfield 1087	Solar	ISO-NE	Somerset	IA Executed	18.1 MW	2020	2027
West Baldwin Solar 935	Solar	ISO-NE	Cumberland	IA Executed	17.1 MW	2019	2029
Emery Meadow Solar 1021	Solar	ISO-NE	York	IA Executed	16.4 MW	2020	2027
Solar 903	Solar	ISO-NE	Kennebec	IA Executed	7 MW	2019	2022

Browse Maine's full interconnection queue. Compare with operating capacity: 140 operating solar plants in Maine. Nationwide: Solar plants nationwide.

Source: "Queued Up" (Rand et al., Lawrence Berkeley National Laboratory, 2026 edition). Data: LBNL backbone through December 31, 2025; ISO-region statuses refreshed monthly (last: July 2026); non-ISO West and Southeast as of the LBNL edition.