Power plants in Hartford County, Connecticut

41 operating power plants in Hartford County, Connecticut, with 400 MW of nameplate capacity, largest first. From EIA-860M, August 2026.

Plants

41

Nameplate capacity

400 MW

Net generation, 2025

804 GWh

38 of 41 plants reported

Largest power plants in Hartford County

#PlantMW2025 net generation, GWhGWh, 2025Capacity factorOperator
1Gravel Pit Solar, LLCSolar120146*–Gravel Pit Solar, LLC
2Algonquin Windsor LocksNatural gas7113822.2%Ahlstrom Power Windsor Locks LLC
3DWW Solar llSolar3745.514.1%DWW Solar ll LLC
4Pratt & WhitneyNatural gas2665.929.2%United Technologies
5Nutmeg SolarSolar2034.520.1%Nutmeg Solar LLC
6Covanta Bristol EnergyMunicipal solid waste1610976.6%Covanta Bristol Inc
7Hartford Hospital CogenerationNatural gas1249.147.5%Cartier Energy, LLC
8Rainbow (CT)Hydro8.020.929.8%Farmington River Power Company
9Bradley Energy CenterNatural gas5.811.322.2%Ameresco Select Inc
10South Windsor Fuel CellNatural gas5.037.485.4%South Energy Investments LLC
11East Windsor Solar OneSolar5.04.410.1%DG Connecticut III, LLC
12Southington Solar OneSolar4.79.122.0%DG Connecticut III, LLC
13HSCo CHPNatural gas4.027.779.0%Cartier Energy, LLC
14Enfield Solar OneSolar4.08.323.6%Enfield Solar One, LLC
15East Windsor Solar TwoSolar4.00.7–East Windsor Solar Two, LLC
16Raffia Road Solar ProjectSolar4.07.019.8%NJR Clean Energy Ventures Corporation
17East WindsorSolar4.00.9–NJR Clean Energy Ventures Corporation
18Amazon BDL4Solar3.93.7–Telyon AMZ Windsor LLC
19Burlington Solar 1Solar3.55.819.1%DG Connecticut III, LLC
20UDR Glastonbury Fuel CellNatural gas3.415.853.2%UIL Distributed Resources, LLC
21Cellu TissueNatural gas3.010.740.7%Dunn Paper East Hartford, LLC
22Town of Rocky Hill PV CSGSolar3.05.019.0%Tesla Inc.
23Bristol Solar One, LLCSolar3.04.918.6%DG Connecticut III, LLC
24Glastonbury Solar OneSolar3.00.8–NJR Clean Energy Ventures Corporation
25Windsor Solar OneSolar3.00.0–NJR Clean Energy Ventures Corporation
26Niagara Bottling - BloomfieldSolar2.84.016.4%Westbound Solar 3, LLC
27Pepperidge Farm BloomfieldNatural gas2.6––Pepperidge Farm, Inc.- Bloomfield
28Canis Major Solar FarmSolar2.03.419.2%LSE Canis Major LLC
29Norcap SouthSolar2.03.620.3%LSE Coma Berenices LLC
30Norcap NorthSolar2.03.318.9%LSE Canes Venatici LLC
31Powder HillSolar2.03.218.4%LSE Delphinus LLC
32CCSU Fuel Cell ProjectNatural gas1.47.057.1%New Britain Renewable Energy, LLC
33Trinity College Fuel CellNatural gas1.411.190.3%Onsite Partners, LLC
34ALDI DC 2Solar1.21.312.1%Powerflex
35New Britain - 142 Deming RdSolar1.20.0–Onyx Asset Services Group
36Advance Stores Company, IncSolar1.00.11.7%Tesla Inc.
37Hartford Landfill Solar EGFSolar1.0––Materials Innovation Recycling Authority
38Manchester Community College EastSolar1.01.617.9%Onyx Asset Services Group
39Manchester Community College NorthSolar1.00.910.1%Onyx Asset Services Group
40Ticket Network South WindsorSolar1.0––Powerflex
41Corbin Russwin Phase 3 BerlinSolar1.01.618.8%Powerflex

* Fewer than 12 months of 2025 reported, so the total is partial.

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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