Maryland has 158 solar farms in the EIA Form 860 database, with a combined installed capacity of 661 MW. Of those, 2 plants are utility-scale (50 MW or larger). The largest single facility is Bluegrass Solar in Church Hill, Queen Annes County — a 80 MW plant operated by MN8 Energy LLC.
Use the interactive Maryland 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 Maryland to every other state.
Type
Capacity
Maryland Solar Farms by the Numbers
- 158 total solar farms in Maryland (EIA Form 860 (US Energy Information Administration), latest reporting period)
- 661 MW total installed solar capacity
- 6 MW co-located battery storage capacity
- 2 utility-scale plants (50 MW or larger)
- 135 small / community-scale plants (under 5 MW)
Maryland Solar Farms by Technology Type
- 157 Solar Photovoltaic (PV) — standard panel installations, the dominant technology nationwide
- 1 Solar PV with Battery Storage — newer hybrid plants that pair panels with on-site batteries to store excess generation
The 15 Largest Solar Farms in Maryland
The largest solar farm in Maryland by installed capacity is Bluegrass Solar at 80 MW. The 15 largest Maryland solar farms from the latest EIA filing:
| # | Solar Farm | Operator | Capacity | Location |
|---|---|---|---|---|
| 1 | Bluegrass Solar | MN8 Energy LLC | 80 MW | Church Hill, Queen Annes |
| 2 | Great Bay Solar 1 | Great Bay Solar I LLC | 75 MW | Princess Anne, Somerset |
| 3 | Fairview Farms | Madison Energy Investments LLC | 30 MW | Bel Air, Harford |
| 4 | Ripley | MN8 Energy LLC | 28 MW | La Plata, Charles |
| 5 | Maryland Solar | Arevon Energy, Inc. | 21 MW | Hagerstown, Washington |
| 6 | Todd Solar | Invenergy Services LLC | 20 MW | Hurlock, Dorchester |
| 7 | Jade Meadow LLC | Jade Meadow LLC | 20 MW | Midland, Allegany |
| 8 | Fort Detrick Solar PV | Montevue Lane Solar, LLC | 16 MW + 6 MW battery | Frederick, Frederick |
| 9 | Mount Saint Mary’s | Constellation Solar Horizons LLC | 14 MW | Emmitsburg, Frederick |
| 10 | Longview Solar | MN8 Energy LLC | 14 MW | Hebron, Wicomico |
| 11 | Annapolis Solar Park, LLC | Annapolis Solar Park, LLC | 12 MW | Annapolis, Anne Arundel |
| 12 | Rockfish Solar LLC | Rockfish Solar LLC | 10 MW | Waldorf, Charles |
| 13 | Wye Mills VNEM CSG | Tesla Inc. | 10 MW | Queen Anne, Queen Annes |
| 14 | Baker Point | Cypress Creek Renewables | 9 MW | Thurmont, Frederick |
| 15 | Union Bridge Solar | Citizens Enterprises Corporation | 8 MW | Union Bridge, Carroll |
Top Solar Operators in Maryland
Five operators account for the largest share of solar generation in Maryland:
- MN8 Energy LLC — 11 plants, 140 MW total
- Great Bay Solar I LLC — 1 plant, 75 MW total
- Nautilus Solar Solutions — 20 plants, 38 MW total
- Madison Energy Investments LLC — 2 plants, 31 MW total
- Tesla Inc. — 11 plants, 26 MW total
Solar Permitting and Regulation in Maryland
Utility-scale solar in Maryland is overseen by the Maryland 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 Maryland?
Maryland has 158 solar farms in the latest EIA Form 860 filing — a combined 661 MW of installed capacity. Of those, 2 are utility-scale (50 MW or larger).
What is the largest solar farm in Maryland?
The largest solar farm in Maryland is Bluegrass Solar, located in Church Hill (Queen Annes County), with 80 MW of installed capacity. It is operated by MN8 Energy LLC.
How much solar capacity does Maryland have?
Maryland has 661 MW of installed solar capacity across 158 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 Maryland?
Solar farms in Maryland are regulated by the Maryland 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
