Power plants in Kennebec County, Maine

33 operating power plants in Kennebec County, Maine, with 136 MW of nameplate capacity, largest first. From EIA-860M, August 2026.

Plants

Nameplate capacity

136 MW

Net generation, 2025

204 GWh

27 of 33 plants reported

Largest

Hydro Kennebec Project

15 MW

Largest power plants in Kennebec County

#	Plant	MW	2025 net generation, GWhGWh, 2025	Capacity factor	Operator
1	Hydro Kennebec ProjectHydro	15	32.4	24.0%	Hydro Kennebec LLC
2	Augusta PV - BD Solar Augusta LLCSolar	7.2	9.3	14.7%	BD Solar Augusta LLC
3	Lockwood Hydroelectric FacilityHydro	7.2	13.0	20.6%	Merimil Ltd Partnership
4	Winslow PV - BD Solar 2 LLCSolar	7.0	10.3	16.7%	BD Solar 2 LLC
5	MonmouthSolar	5.0	9.5	21.6%	Maine DG Solar Monmouth, LLC
6	Water Street SolarSolar	5.0	7.2	16.3%	AES Distributed Energy
7	Cenergy - Waterville (CSG)Solar	5.0	8.8	20.2%	Luminace Sunbeam Development Holdings, LLC
8	Town HouseSolar	5.0	8.3	18.8%	Nautilus Solar Solutions
9	OaklandSolar	5.0	8.7	19.9%	Nautilus Solar Solutions
10	Farmingdale FA01Solar	4.9	8.0	18.7%	Nautilus Solar Solutions
11	BroadheadSolar	4.9	7.2	16.7%	Madison Energy Investments LLC
12	Webb Road SolarSolar	4.6	4.8	11.9%	NextGrid Mastic, LLC
13	Treasure Lane Solar 1Solar	4.5	7.6	19.4%	AES Clean Energy
14	BWC Unity Pond LLCSolar	4.5	7.4	18.9%	Navisun LLC
15	Route 3 China Solar, LLCSolar	4.5	7.6	19.2%	REA Investments, LLC
16	Benton Falls AssociatesHydro	4.2	9.9	26.9%	Essex Hydro Associates LLC
17	Winslow PV, LLCSolar	4.1	–	–	SREOG Partnership 4, LLC
18	Gardiner A, LLCSolar	4.0	–	–	SREOG Partnership 1, LLC
19	RE Gardiner Solar, LLCSolar	3.9	–	–	SREOG Partnership 1, LLC
20	Church Hill Road Augusta Solar, LLCSolar	3.8	6.5	19.6%	REA Investments, LLC
21	Market Street Gardiner Solar, LLCSolar	3.3	5.9	20.4%	REA Investments, LLC
22	Vassalboro PV, LLCSolar	3.3	–	–	SREOG Partnership 4, LLC
23	Messalonskee 2 (Oakland)Hydro	2.8	6.8	27.8%	Messalonskee Stream Hydro LLC
24	AugustaSolar	2.5	4.8	22.0%	Maine DG Solar Augusta, LLC
25	MEVS DOT 109Solar	2.2	3.5	18.4%	MEVS DOT, LLC
26	RE Sidney Solar, LLCSolar	2.1	–	–	SREOG Partnership 1, LLC
27	Maxcy's Mill Solar, LLCSolar	2.0	–	–	SREOG Partnership 2, LLC
28	Messalonskee 5Hydro	1.8	3.5	22.2%	Messalonskee Stream Hydro LLC
29	Messalonskee 3Hydro	1.6	3.8	26.9%	Messalonskee Stream Hydro LLC
30	Solar Mule, LLCSolar	1.5	2.1	15.9%	Solar Mule, LLC
31	SidneySolar	1.5	2.3	17.8%	Nautilus Solar Solutions
32	GardinerHydro	1.0	3.2	36.0%	KEI (Maine) Power Management (III) LLC
33	ME Augusta 13 York Farm Rd SolarSolar	1.0	1.5	17.0%	SOL ME Augusta 13 York Farm, LLC

MW is the nameplate capacity of operating generators and batteries. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources

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Other counties in Maine

Somerset County37 plants · 498 MW Penobscot County35 plants · 999 MW Aroostook County26 plants · 292 MW Androscoggin County23 plants · 194 MW Cumberland County22 plants · 1,736 MW Oxford County20 plants · 590 MW York County17 plants · 158 MW Franklin County14 plants · 336 MW Hancock County12 plants · 388 MW

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