Upper Marlboro 1 CSG
7420 South Osborne Road, Upper Marlboro, MD 20772Plant Summary Information
Upper Marlboro 1 CSG is ranked #127 out of 184 solar farms in Maryland in terms of total annual net electricity generation.
Upper Marlboro 1 CSG generated 495.0 MWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Upper Marlboro 1 CSG |
|---|---|
| Utility Name | Nautilus Solar Solutions |
| Location | Prince George's County, MD |
| Initial Operation Date | December 2019 |
| Last Update | Dec 2025 |
| Annual Generation | 2.3 GWh |
| Annual Consumption | 8.4 k MMBtu |
| Ranked #10,470 out of 13,081 Power Plants Nationwide | |
| Ranked #5,381 out of 7,015 Solar Power Plants Nationwide | |
| Ranked #165 out of 226 Maryland Power Plants | |
| Ranked #127 out of 184 Maryland Solar Power Plants | |
| Fuel Types | Solar |
| Previous Operator |
Forefront Power, LLC (2019 to 2020) Nautilus Solar Solutions (2021 to 2025) |
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Monthly Net Generation for Upper Marlboro 1 CSG
Monthly Plant Fuel Consumption for Upper Marlboro 1 CSG
Upper Marlboro 1 CSG Details
| Summary Information | |
|---|---|
| Plant Name | Upper Marlboro 1 CSG (63075) |
| Plant Address | 7420 South Osborne Road, Upper Marlboro, MD 20772 |
| Utility | Nautilus Solar Solutions (61227) |
| Latitude, Longitude | 38.78922, -76.80091 |
| Generation Dates on File | Dec 2019 to Dec 2025 |
| Initial Operation Date | December 2019 |
| Annual Generation | 2.3 GWh |
| Fuel Types | Solar |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | NPCC |
| Balancing Authority | PJM Interconnection, LLC (PJM) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | |
| Ash Impoundment | |
| Transmission / Distribution Owner | PECO Energy Co (14940) PA |
| Grid Voltage | 21.00 kV |
| Energy Storage | No |
Generator 20 Details Operating December 2019
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Single Owner |
| Nameplate Capacity | 2 MW |
| Summer Capacity | 2 MW |
| Winter Capacity | 2 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | December 2019 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Solar |
| Solar Details | |
| Single Axis Tracking | Yes |
|---|---|
| Azimuth Angle | 90 |
| Tilt Angle | 25 |
| DC Net Capacity | 3 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | Yes |
| Virtual Net Metering DC Capacity | 3 MW |
Upper Marlboro 1 CSG Plant Owners
| Owner Name | Address | Ownership | We couldn't locate any owners for this plant |
|---|
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Solar.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #5371 | SV CSG German Valley 1 LLC | German Valley, IL | 2.3 GWh |
| #5372 | North Juvenile Detention Center Solar | Visalia, CA | 2.3 GWh |
| #5373 | West Greenwich Solar | West Greenwich, RI | 2.3 GWh |
| #5374 | MEBA | Easton, MD | 2.3 GWh |
| #5375 | Interstate 3 Solar | South Brunswick, NJ | 2.3 GWh |
| #5376 | CDCR (CA) - Solano State Prison | Vacaville, CA | 2.3 GWh |
| #5377 | Sacket Lake Rd #2 Community Solar Farm | Thompson, NY | 2.3 GWh |
| #5378 | Sandy River Solar (CSG) | Sandy, OR | 2.3 GWh |
| #5379 | USS King 2 CSG | Waconia, MN | 2.3 GWh |
| #5380 | Maize | Colwich, KS | 2.3 GWh |
| #5382 | Lebanon Solar | Glen Gardner, NJ | 2.3 GWh |
| #5383 | Hewlett-Packard (HP) - Andover, MA | Andover, MA | 2.3 GWh |
| #5384 | Jericho Gravel Solar Farm | Jerico, VT | 2.3 GWh |
| #5385 | Duplin Solar I LLC (160 Houston Lane) | Kenansville, NC | 2.3 GWh |
| #5386 | Villa Roma Rd #3 CSG | Delaware, NY | 2.3 GWh |
| #5387 | Skalbeck Solar | Sacred Heart, MN | 2.3 GWh |
| #5388 | Emerald Marshfields, LLC | Marshfield, MA | 2.3 GWh |
| #5389 | CA - Madera USD - Madera South HS | Madera, CA | 2.3 GWh |
| #5390 | IGS Solar I - BWI2 | Baltimore, MD | 2.3 GWh |
| #5391 | MNCPPC Randall Farm | Upper Marlboro, MD | 2.3 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Upper Marlboro 1 CSG.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Beech Road (CSG) | Temple Hill, MD | 7.9 GWh | 7.6 mi |
| Bluefin Origination 1 | Brandywine, MD | 2.2 GWh | 4.2 mi |
| Brandywine Power Facility | Brandywine, MD | 816.7 GWh | 9.1 mi |
| Brown Station Road Plant II | Upper Marlboro, MD | 11.0 MWh | 4.1 mi |
| City of Bowie | Mitchellville, MD | 3.6 GWh | 10 mi |
| Claggett Landing | Upper Malboro, MD | 2.9 GWh | 8.1 mi |
| First Baptist Church of Glenarden | Upper Marlboro, MD | 2.7 GWh | 4.3 mi |
| Hall Property | Upper Marlboro, MD | 3.1 GWh | 6.3 mi |
| Holly Spring Meadows | District Heights, MD | 2.0 GWh | 7.8 mi |
| Key | Brandywine, MD | 4.4 TWh | 6.6 mi |
| Kirby Road Solar, LLC | Clinton, MD | 2.4 GWh | 6.7 mi |
| MNCPPC Randall Farm | Upper Marlboro, MD | 2.3 GWh | 2.9 mi |
| OER Monarch CSG | Upper Marlboro, MD | 3.4 GWh | 0.9 mi |
| OER Patuxent CSG | Lothian, MD | 4.2 GWh | 7.2 mi |
| Ridgecrest | Washington, DC | 1.6 GWh | 10.2 mi |
| Sheriff Road | Hyattsville, MD | 1.8 GWh | 9.8 mi |
| Sol Phoenix | Capitol Heights, MD | 3.6 GWh | 9.1 mi |
| Synergen Panorama, LLC CSG | Fort Washington, MD | 8.3 GWh | 9.4 mi |
| WMATA - Naylor Rd. Metro | Temple Hills, MD | 2.6 GWh | 9.4 mi |
| WMATA - S. Ave. Carport (East) (CSG) | Hillcrest Heights, MD | 2.5 GWh | 10 mi |