Directory of Power Plants in Maryland
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Mason Solar One LLC | Nautilus Solar Solutions | Elkton, MD | PJM Interconnection, LLC (PJM) | 2.1 GWh | Oct 2020 | Dec 2023 | Solar |
| McCormick & Co. Inc. at Belcamp | Luminace Solar Maryland, LLC | Belcamp, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Nov 2010 | Dec 2023 | Solar |
| MD - CS - BGE - PR24 TPE | Distributed Solar Development, LLC | Mitchellville, MD | PJM Interconnection, LLC (PJM) | 4.2 GWh | Aug 2022 | Dec 2023 | Solar |
| MD - CS - Potomac Edison Co - GA25 TPE (Community Solar) | Distributed Solar Development, LLC | Accident, MD | PJM Interconnection, LLC (PJM) | 4.1 GWh | May 2022 | Dec 2023 | Solar |
| MD - CS - Potomac Edison Co - GA29 TPE | Forefront Power, LLC | Friendsville, MD | PJM Interconnection, LLC (PJM) | 4.1 GWh | Dec 2020 | Dec 2023 | Solar |
| MD - PR97 (CSG) | Distributed Solar Development, LLC | Bowie, MD | PJM Interconnection, LLC (PJM) | 4.5 GWh | Jul 2022 | Dec 2023 | Solar |
| MEBA | Altus Power America Management, LLC | Easton, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Oct 2014 | Dec 2023 | Solar |
| Meeting House | Nautilus Solar Solutions | North East, MD | PJM Interconnection, LLC (PJM) | 1.3 GWh | Jul 2023 | Dec 2023 | Solar |
| Millersville LFG | LES Operations Services LLC | Severn, MD | PJM Interconnection, LLC (PJM) | 24.1 GWh | Jun 2012 | Dec 2023 | Landfill Gas |
| MNCPPC Germantown Solar | Standard Solar | Boyds, MD | PJM Interconnection, LLC (PJM) | 1.8 GWh | Jan 2018 | Dec 2023 | Solar |
| MNCPPC Randall Farm | Standard Solar | Upper Marlboro, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | Mar 2020 | Dec 2023 | Solar |
| MO32 (CSG) | TPE MD MO32 LLC | Spencerville, MD | PJM Interconnection, LLC (PJM) | 3.9 GWh | Apr 2022 | Dec 2023 | Solar |
| MO33 CSG | TPE MD MO33 LLC | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Mar 2022 | Jul 2023 | Solar |
| Montgomery County Correctional Facility | Tesla Inc. | Boyds, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Oct 2017 | Dec 2023 | Solar |
| Montgomery County Resource Recovery | Covanta Montgomery, Inc. | Dickerson, MD | PJM Interconnection, LLC (PJM) | 308.9 GWh | Apr 1995 | Jun 2024 | Non-biogenic Municipal Solid Waste : 54.0% Biogenic Municipal Solid Waste : 44.2% Natural Gas : 1.8% |
| Montgomery County Solar | Montgomery County Solar | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | May 2018 | Dec 2022 | Solar |
| Mount Saint Mary's | Constellation Solar Horizons LLC | Emmitsburg, MD | PJM Interconnection, LLC (PJM) | 19.5 GWh | Jun 2012 | Jun 2024 | Solar |
| NIH Cogeneration Facility | National Institutes of Health | Bethesda, MD | PJM Interconnection, LLC (PJM) | 190.8 GWh | Jun 2004 | Jun 2024 | Natural Gas |
| NIST Solar | Constellation New Energy Inc. | Gaithersburg, MD | PJM Interconnection, LLC (PJM) | 6.4 GWh | Nov 2018 | Dec 2022 | Solar |
| NRG Chalk Point CT | NRG Chalk Point CT | Aquasco, MD | PJM Interconnection, LLC (PJM) | 613.0 MWh | May 1990 | Jun 2024 | Distillate Fuel Oil : 85.0% Natural Gas : 15.0% |
| OER Checkerspot | Standard Solar | Tracy's Landing, MD | PJM Interconnection, LLC (PJM) | 3.2 GWh | Nov 2021 | Dec 2023 | Solar |
| OER Monarch CSG | Standard Solar | Upper Marlboro, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Nov 2021 | Dec 2023 | Solar |
| OER Patuxent CSG | Standard Solar | Lothian, MD | PJM Interconnection, LLC (PJM) | 4.6 GWh | Oct 2022 | Dec 2023 | Solar |
| Old Court Rd Solar | Old Court Rd Solar, LLC | Woodstock, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Sep 2019 | Dec 2023 | Solar |
| P52ES 1755 Henryton Rd Phase 1 LLC CSG | Nautilus Solar Solutions | Marriottsville, MD | PJM Interconnection, LLC (PJM) | 3.3 GWh | May 2021 | Dec 2023 | Solar |
| P52ES 1755 Henryton Rd Phase 2 LLC | Nautilus Solar Solutions | Marriottsville, MD | PJM Interconnection, LLC (PJM) | 3.8 GWh | May 2021 | Dec 2023 | Solar |
| Perdue Salisbury Photovoltaic | Terraform Arcadia | Salisbury, MD | PJM Interconnection, LLC (PJM) | 1.6 GWh | Aug 2011 | Dec 2023 | Solar |
| Perryman | Constellation Power Source Generation, LLC | Harford County, MD | PJM Interconnection, LLC (PJM) | 251.5 GWh | Dec 1971 | Jun 2024 | Natural Gas : 95.6% Distillate Fuel Oil : 4.4% |
| Pfeffers | Terraform Arcadia | Kingsville, MD | PJM Interconnection, LLC (PJM) | 2.0 GWh | Apr 2016 | Dec 2023 | Solar |
| Philadelphia | Constellation Power Source Generation, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Jul 1970 | Dec 2023 | Distillate Fuel Oil |
| Pinesburg Solar LLC | Madison Energy Holdings LLC | Williamsport, MD | PJM Interconnection, LLC (PJM) | 8.4 GWh | Apr 2020 | Dec 2023 | Solar |
| Pittman Solar One LLC | Nautilus Solar Solutions | Hancock, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Nov 2020 | Dec 2023 | Solar |
| Presbyterian Senior Living Service | Terraform Arcadia | Glen Arm, MD | PJM Interconnection, LLC (PJM) | 861.1 MWh | Aug 2013 | Sep 2023 | Solar |
| Queen Anne's County | Tesla Inc. | Centreville, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | Nov 2013 | Dec 2023 | Solar |
| Ripley | Conductive Power | La Plata, MD | PJM Interconnection, LLC (PJM) | 58.3 GWh | Mar 2023 | Jun 2024 | Solar |
| Rock Hall | Terraform Arcadia | Rock Hall, MD | PJM Interconnection, LLC (PJM) | 1.8 GWh | Nov 2012 | Dec 2023 | Solar |
| Rockdale | Conductive Power | Williamsport, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Sep 2019 | Dec 2022 | Solar |
| Rockfish Solar LLC | Rockfish Solar LLC | Waldorf, MD | PJM Interconnection, LLC (PJM) | 15.6 GWh | Jul 2015 | Dec 2023 | Solar |
| Roth Rock North Wind Farm, LLC | Roth Rock Wind Farm LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 24.4 GWh | Jul 2011 | Jun 2024 | Wind |
| Roth Rock Wind Farm LLC | Roth Rock Wind Farm LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 97.4 GWh | Jul 2011 | Jun 2024 | Wind |
| Shepherds Mill CSG | Standard Solar | Union Bridge, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Aug 2021 | Dec 2023 | Solar |
| Sheriff Road | Sheriff Rd Solar LLC | Hyattsville, MD | PJM Interconnection, LLC (PJM) | 2.0 GWh | Mar 2020 | Dec 2022 | Solar |
| Smith Island | A & N Electric Coop | Ewell, MD | PJM Interconnection, LLC (PJM) | 98.0 MWh | Nov 1969 | Dec 2023 | Distillate Fuel Oil |
| Snowden River CSG | Snowden River Parkway, LLC | Columbia, MD | PJM Interconnection, LLC (PJM) | 377.4 MWh | May 2021 | Dec 2022 | Solar |
| Sod Run WTP A | Luminace Solar MC, LLC | Perryman, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Nov 2015 | Dec 2023 | Solar |
| Sol Phoenix | Greenbacker Renewable Energy Corporation | Capitol Heights, MD | PJM Interconnection, LLC (PJM) | 4.0 GWh | Dec 2019 | Dec 2022 | Solar |
| Solar Hagerstown | Greenbacker Renewable Energy Corporation | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 18.2 GWh | Oct 2020 | Dec 2023 | Solar |
| Spruce - WCMD - Creek | MN8 Energy LLC | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | Apr 2015 | Dec 2023 | Solar |
| Spruce - WCMD - Resh I | MN8 Energy LLC | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Feb 2016 | Dec 2023 | Solar |
| Spruce - WCMD - Rubble I | MN8 Energy LLC | Williamsport, MD | PJM Interconnection, LLC (PJM) | 2.0 GWh | Aug 2015 | Dec 2022 | Solar |
| Spruce - WCMD - Rubble II | MN8 Energy LLC | Williamsport, MD | PJM Interconnection, LLC (PJM) | 3.1 GWh | Oct 2015 | Dec 2023 | Solar |
| Synergen Panorama, LLC CSG | Altus Power America Management, LLC | Fort Washington, MD | PJM Interconnection, LLC (PJM) | 8.6 GWh | Jun 2019 | Dec 2023 | Solar |
| THD Baltimore DC - 5830 Project Tiger | Distributed Solar Development, LLC | Edgemere, MD | PJM Interconnection, LLC (PJM) | 1.3 GWh | Dec 2020 | Nov 2023 | Solar |
| The Clorox Company | Tesla Inc. | Aberdeen, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | Jul 2016 | Dec 2023 | Solar |
| Timonium Fairgrounds | Madison Energy Holdings LLC | Timonium, MD | PJM Interconnection, LLC (PJM) | 3.3 GWh | Sep 2020 | Dec 2023 | Solar |
| Todd Solar | Invenergy Services LLC | Hurlock, MD | PJM Interconnection, LLC (PJM) | 46.0 GWh | Jun 2021 | Dec 2023 | Solar |
| Town of Chestertown- Chestertown WWTP | Tesla Inc. | Chestertown, MD | PJM Interconnection, LLC (PJM) | 1.7 GWh | Nov 2015 | Dec 2023 | Solar |
| UMCES Ground Mount | Standard Solar | Cambridge, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | Jan 2018 | Dec 2023 | Solar |
| UMCP CHP Plant | Trigen-Cinergy Solutions College Park | College Park, MD | PJM Interconnection, LLC (PJM) | 81.9 GWh | May 2003 | Dec 2023 | Natural Gas : 94.8% Distillate Fuel Oil : 5.2% |
| UMES (MD) - Princess Anne | NVT LICENSES, LLC | Princess Anne, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | Jan 2011 | Dec 2023 | Solar |
| UMMS at Pocomoke | Luminace Solar Maryland II, LLC | Pocomoke City, MD | PJM Interconnection, LLC (PJM) | 5.4 GWh | Jan 2013 | Dec 2023 | Solar |
| Union Bridge Solar | Citizens Enterprises Corporation | Union Bridge, MD | PJM Interconnection, LLC (PJM) | 12.3 GWh | Mar 2022 | Dec 2023 | Solar |
| Upper Marlboro 1 CSG | Nautilus Solar Solutions | Upper Marlboro, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Nov 2019 | Dec 2023 | Solar |
| Vienna Operations | NRG Vienna Operations Inc | Vienna, MD | PJM Interconnection, LLC (PJM) | 8.5 GWh | Dec 1967 | Dec 2023 | Residual Fuel Oil : 91.6% Distillate Fuel Oil : 8.4% |
| Wheelabrator Baltimore Refuse | Wheelabrator Environmental Systems | Baltimore, MD | PJM Interconnection, LLC (PJM) | 345.0 GWh | Oct 1984 | Jun 2024 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| White CSG | Nautilus Solar Solutions | Baltimore, MD | PJM Interconnection, LLC (PJM) | 3.3 GWh | Dec 2019 | Dec 2023 | Solar |
| White Marsh Mall | White Marsh Mall | Baltimore, MD | PJM Interconnection, LLC (PJM) | 1.2 GWh | Nov 2015 | Dec 2022 | Solar |
| White Marsh Solar | Nautilus Solar Solutions | White Marsh, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Nov 2020 | Dec 2023 | Solar |
| Wicomico | Industrial Power Generating Company LLC | Salisbury, MD | PJM Interconnection, LLC (PJM) | 16.9 GWh | Apr 2007 | Dec 2023 | Landfill Gas : 93.1% Distillate Fuel Oil : 6.9% |
| Wildcat Point Generation Facility | Old Dominion Electric Coop | Conowingo, MD | PJM Interconnection, LLC (PJM) | 4.0 TWh | Mar 2018 | Jun 2024 | Natural Gas |
| WMATA - Naylor Rd. Metro | MN8 Energy LLC | Temple Hills, MD | PJM Interconnection, LLC (PJM) | 29.0 MWh | Oct 2023 | Dec 2023 | Solar |
| WMATA - S. Ave. Carport (East) (CSG) | MN8 Energy LLC | Hillcrest Heights, MD | PJM Interconnection, LLC (PJM) | 956.0 MWh | Jun 2023 | Dec 2023 | Solar |
| Wor-Wic Community College - Offsite | Tesla Inc. | Hebron, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | Mar 2019 | Dec 2023 | Solar |
| Wye Mills VNEM CSG | Tesla Inc. | Queen Anne, MD | PJM Interconnection, LLC (PJM) | 20.0 GWh | Jul 2016 | Dec 2023 | Solar |
| 6685 Santa Barbara Ct | 6685 Santa Barbara Ct | Elkridge, MD | PJM Interconnection, LLC (PJM) | 589.0 MWh | Nov 2020 | Dec 2022 | Solar |
| 7448 Candlewood Road | Hartz Solar, LLC | Hanover, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | Mar 2020 | Dec 2023 | Solar |
Browse Power Plants By Maryland Counties
Figures are based on June 2024 generation numbers.| County | State Rank | Active Plants | Jun 2024 Generation |
|---|---|---|---|
| Calvert County, MD | # 1 | 2 | 16.2 TWh |
| Prince George's County, MD | # 2 | 34 | 6.4 TWh |
| Cecil County, MD | # 3 | 7 | 4.3 TWh |
| Charles County, MD | # 4 | 6 | 4.2 TWh |
| Harford County, MD | # 5 | 18 | 2.5 TWh |
| Anne Arundel County, MD | # 6 | 9 | 2.1 TWh |
| Montgomery County, MD | # 7 | 17 | 911.1 GWh |
| Allegany County, MD | # 8 | 4 | 782.2 GWh |
| Garrett County, MD | # 9 | 12 | 580.2 GWh |
| Baltimore city, MD | # 10 | 11 | 410.8 GWh |
| Queen Anne's County, MD | # 11 | 9 | 217.3 GWh |
| Somerset County, MD | # 12 | 7 | 169.6 GWh |
| County | State Rank | Active Plants | Jun 2024 Generation |
|---|---|---|---|
| Washington County, MD | # 13 | 18 | 83.2 GWh |
| Dorchester County, MD | # 14 | 6 | 64.4 GWh |
| Frederick County, MD | # 15 | 11 | 62.2 GWh |
| Baltimore County, MD | # 16 | 24 | 56.9 GWh |
| Wicomico County, MD | # 17 | 6 | 49.2 GWh |
| Howard County, MD | # 18 | 20 | 30.2 GWh |
| Carroll County, MD | # 19 | 4 | 25.5 GWh |
| Kent County, MD | # 20 | 6 | 19.4 GWh |
| Worcester County, MD | # 21 | 4 | 14.4 GWh |
| Caroline County, MD | # 22 | 2 | 2.7 GWh |
| Talbot County, MD | # 23 | 3 | 383.7 MWh |