Connecticut has 78 solar farms in the EIA Form 860 database, with a combined installed capacity of 460 MW. Of those, 1 plants are utility-scale (50 MW or larger). The largest single facility is Gravel Pit Solar, LLC in East Windsor, Hartford County — a 120 MW plant operated by Gravel Pit Solar, LLC.
Use the interactive Connecticut solar farms map below to explore every plant, color-coded by technology type and sized by capacity. Click any solar farm for its name, operator, capacity (MW), technology, and location — or view the full US solar farms interactive map to compare Connecticut to every other state.
Type
Capacity
Connecticut Solar Farms by the Numbers
- 78 total solar farms in Connecticut (EIA Form 860 (US Energy Information Administration), latest reporting period)
- 460 MW total installed solar capacity
- 2 MW co-located battery storage capacity
- 1 utility-scale plants (50 MW or larger)
- 66 small / community-scale plants (under 5 MW)
Connecticut Solar Farms by Technology Type
- 75 Solar Photovoltaic (PV) — standard panel installations, the dominant technology nationwide
- 2 Solar PV with Battery Storage — newer hybrid plants that pair panels with on-site batteries to store excess generation
- 1 Solar Hybrid — co-located with another generation source (natural gas, wind, biomass, etc.)
The 15 Largest Solar Farms in Connecticut
The largest solar farm in Connecticut by installed capacity is Gravel Pit Solar, LLC at 120 MW. The 15 largest Connecticut solar farms from the latest EIA filing:
| # | Solar Farm | Operator | Capacity | Location |
|---|---|---|---|---|
| 1 | Gravel Pit Solar, LLC | Gravel Pit Solar, LLC | 120 MW | East Windsor, Hartford |
| 2 | Quinebaug Solar | Quinebaug Solar, LLC | 49 MW | Canterbury, Windham |
| 3 | DWW Solar ll | DWW Solar ll LLC | 37 MW | Simsbury, Hartford |
| 4 | Fusion Solar Center LLC | Fusion Solar Centre, L.L.C | 20 MW | Baltic, New London |
| 5 | Woods Hill Solar | Woods Hill Solar, LLC | 20 MW | Pomfret, Windham |
| 6 | SR Litchfield | SR Litchfield, LLC | 20 MW | Litchfield, Litchfield |
| 7 | Nutmeg Solar | Nutmeg Solar LLC | 20 MW | Enfield, Hartford |
| 8 | Wallingford Solar | Wallingford Renewable Energy, LLC | 16 MW | Wallingford, New Haven |
| 9 | North Stonington Solar Center, LLC | Adapture Renewables, Inc. | 15 MW | North Stonington, New London |
| 10 | SR North Stonington | SR North Stonington, LLC | 12 MW | North Stonington, New London |
| 11 | East Windsor Solar One | DG Connecticut III, LLC | 5 MW | East Windsor, Hartford |
| 12 | Somers Solar Center, LLC | Onward Energy | 5 MW | Somers, Tolland |
| 13 | Southington Solar One | DG Connecticut III, LLC | 5 MW | Southington, Hartford |
| 14 | Norfolk Landfill Solar Project | NJR Clean Energy Ventures Corporation | 4 MW | Norfolk, Litchfield |
| 15 | Raffia Road Solar Project | NJR Clean Energy Ventures Corporation | 4 MW | Enfield, Hartford |
Top Solar Operators in Connecticut
Five operators account for the largest share of solar generation in Connecticut:
- Gravel Pit Solar, LLC — 1 plant, 120 MW total
- Quinebaug Solar, LLC — 1 plant, 49 MW total
- DWW Solar ll LLC — 1 plant, 37 MW total
- Ecos Energy LLC — 18 plants, 21 MW total
- DG Connecticut III, LLC — 6 plants, 20 MW total
Solar Permitting and Regulation in Connecticut
Utility-scale solar in Connecticut is overseen by the Connecticut Public Utilities Regulatory Authority. Wholesale market participation and interconnection are regulated by the Federal Energy Regulatory Commission (FERC) and the relevant ISO/RTO. All generators above 1 MW must report capacity, fuel type, and location to the EIA via Form 860 — the dataset used in this map.
Frequently Asked Questions
How many solar farms are in Connecticut?
Connecticut has 78 solar farms in the latest EIA Form 860 filing — a combined 460 MW of installed capacity. Of those, 1 are utility-scale (50 MW or larger).
What is the largest solar farm in Connecticut?
The largest solar farm in Connecticut is Gravel Pit Solar, LLC, located in East Windsor (Hartford County), with 120 MW of installed capacity. It is operated by Gravel Pit Solar, LLC.
How much solar capacity does Connecticut have?
Connecticut has 460 MW of installed solar capacity across 78 plants reporting to the EIA. This counts only the solar portion (Solar_MW field) — co-located batteries and other generation are reported separately.
Who regulates solar farms in Connecticut?
Solar farms in Connecticut are regulated by the Connecticut Public Utilities Regulatory Authority at the state level, with federal oversight from FERC. The EIA collects annual data on every utility-scale solar plant via Form 860.
View all 6,406 US solar farms on the national interactive map

