Power plants in Tolland County, Connecticut

13 operating power plants in Tolland County, Connecticut, with 51 MW of nameplate capacity, largest first. From EIA-860M, August 2026.

Plants

13

Nameplate capacity

51 MW

Net generation, 2025

142 GWh

11 of 13 plants reported

Largest power plants in Tolland County

#PlantMW2025 net generation, GWhGWh, 2025Capacity factorOperator
1UCONN Cogen FacilityNatural gas26111*–University of Connecticut
2Somers Solar Center, LLCSolar5.08.920.3%Onward Energy
3Stafford Solar OneSolar4.0––NJR Clean Energy Ventures Corporation
4Stafford MS Ground Mount Community SolarSolar2.03.118.0%Town of Stafford - (CT)
5Barrow SolarSolar2.03.117.9%Ecos Energy LLC
6Ellington - 277 Sadds MillSolar2.03.620.3%Onyx Asset Services Group
7CTGB Maloney and WebsterSolar2.03.2–TotalEnergies Renewables USA LLC
8Bilton SolarSolar2.02.514.5%Ecos Energy LLC
9CTGB OsbornSolar1.82.717.3%TotalEnergies Renewables USA LLC
10Mansfield LandfillSolar1.8––NJR Clean Energy Ventures Corporation
11Blair SolarSolar1.01.618.2%Ecos Energy LLC
12Madison Solar (CT)Solar1.01.618.6%Ecos Energy LLC
13Few SolarSolar1.01.618.1%Ecos Energy LLC

* 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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