Delaware has 15 solar farms in the EIA Form 860 database, with a combined installed capacity of 97 MW. Of those, 1 plants are utility-scale (50 MW or larger). The largest single facility is ENGIE Solidago Solar Project – Hybrid in Townsend, New Castle County — a 50 MW plant operated by ENGIE Solidago Solar LLC.
Use the interactive Delaware 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 Delaware to every other state.
Type
Capacity
Delaware Solar Farms by the Numbers
- 15 total solar farms in Delaware (EIA Form 860 (US Energy Information Administration), latest reporting period)
- 97 MW total installed solar capacity
- 1 utility-scale plants (50 MW or larger)
- 12 small / community-scale plants (under 5 MW)
Delaware Solar Farms by Technology Type
- 15 Solar Photovoltaic (PV) — standard panel installations, the dominant technology nationwide
The 15 Largest Solar Farms in Delaware
The largest solar farm in Delaware by installed capacity is ENGIE Solidago Solar Project – Hybrid at 50 MW. The 15 largest Delaware solar farms from the latest EIA filing:
| # | Solar Farm | Operator | Capacity | Location |
|---|---|---|---|---|
| 1 | ENGIE Solidago Solar Project – Hybrid | ENGIE Solidago Solar LLC | 50 MW | Townsend, New Castle |
| 2 | Milford Solar Farm | Milford Solar LLC | 12 MW | Milford, Kent |
| 3 | Dover Sun Park | Arevon Energy, Inc. | 10 MW | Dover, Kent |
| 4 | Heimlich Solar | Heimlich Solar Partners LLC | 4 MW | Greenwood, Sussex |
| 5 | Bruce A Henry Solar Farm | Delaware Electric Cooperative | 4 MW | Georgetown, Sussex |
| 6 | AstraZeneca Newark Solar | AstraZeneca Pharmaceuticals | 3 MW | Newark, New Castle |
| 7 | DEC Phase II at Georgetown | Luminace Solar MC, LLC | 3 MW | Georgetown, Sussex |
| 8 | South Campus Solar | JPMorgan Chase Bank | 2 MW | Wilmington, New Castle |
| 9 | Blue Hen Solar | Madison Energy Holdings LLC | 2 MW | Dartley, Kent |
| 10 | WHA Southbridge Solar Park CSG | Ecogy Delaware II LLC. | 1 MW | Wilmington, New Castle |
| 11 | Perdue Bridgeville Photovoltaic | Terraform Arcadia | 1 MW | Bridgeville, Sussex |
| 12 | DD Hay Road Solar 23 LLC | Laurel Capital Partners | 1 MW | New Castle, New Castle |
| 13 | Onyx – Allen Harim | Onyx Asset Services Group | 1 MW | Harbeson, Sussex |
| 14 | DG AMP Solar Smyrna | DG AMP Solar, LLC | 1 MW | Smyrna, Kent |
| 15 | Kent County Wastewater Treatment Solar | Kent County Levy Court Dept of Pub Work | 1 MW | Milford, Kent |
Top Solar Operators in Delaware
Five operators account for the largest share of solar generation in Delaware:
- ENGIE Solidago Solar LLC — 1 plant, 50 MW total
- Milford Solar LLC — 1 plant, 12 MW total
- Arevon Energy, Inc. — 1 plant, 10 MW total
- Heimlich Solar Partners LLC — 1 plant, 4 MW total
- Delaware Electric Cooperative — 1 plant, 4 MW total
Solar Permitting and Regulation in Delaware
Utility-scale solar in Delaware is overseen by the Delaware Public Service Commission. 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 Delaware?
Delaware has 15 solar farms in the latest EIA Form 860 filing — a combined 97 MW of installed capacity. Of those, 1 are utility-scale (50 MW or larger).
What is the largest solar farm in Delaware?
The largest solar farm in Delaware is ENGIE Solidago Solar Project – Hybrid, located in Townsend (New Castle County), with 50 MW of installed capacity. It is operated by ENGIE Solidago Solar LLC.
How much solar capacity does Delaware have?
Delaware has 97 MW of installed solar capacity across 15 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 Delaware?
Solar farms in Delaware are regulated by the Delaware Public Service Commission 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
