Directory of Power Plants in Maryland
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Spruce - WCMD - Rubble II | MN8 Energy LLC | Williamsport, MD | PJM Interconnection, LLC (PJM) | 3.1 GWh | Oct 2015 | 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 |
| Pinesburg Solar LLC | Madison Energy Holdings LLC | Williamsport, MD | PJM Interconnection, LLC (PJM) | 8.4 GWh | Apr 2020 | Dec 2023 | Solar |
| Timonium Fairgrounds | Madison Energy Holdings LLC | Timonium, MD | PJM Interconnection, LLC (PJM) | 3.3 GWh | Sep 2020 | 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 |
| 7448 Candlewood Road | Hartz Solar, LLC | Hanover, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | Mar 2020 | Dec 2023 | Solar |
| Kirby Road Solar, LLC | Nautilus Solar Solutions | Clinton, MD | PJM Interconnection, LLC (PJM) | 2.8 GWh | May 2021 | Dec 2023 | Solar |
| MNCPPC Randall Farm | Standard Solar | Upper Marlboro, MD | PJM Interconnection, LLC (PJM) | 2.6 GWh | Mar 2020 | Dec 2023 | Solar |
| Burns Solar One LLC | Nautilus Solar Solutions | Reisterstown, MD | PJM Interconnection, LLC (PJM) | 3.8 GWh | Nov 2020 | Dec 2023 | Solar |
| Hostetter Solar One, LLC | Nautilus Solar Solutions | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 4.1 GWh | Nov 2020 | 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 |
| White Marsh Solar | Nautilus Solar Solutions | White Marsh, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Nov 2020 | Dec 2023 | Solar |
| Mason Solar One LLC | Nautilus Solar Solutions | Elkton, MD | PJM Interconnection, LLC (PJM) | 2.1 GWh | Oct 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 |
| Bulldog Solar One, LLC | Nautilus Solar Solutions | Bowie, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Oct 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 |
| Todd Solar | Invenergy Services LLC | Hurlock, MD | PJM Interconnection, LLC (PJM) | 46.0 GWh | Jun 2021 | Dec 2023 | Solar |
| OER Checkerspot | Standard Solar | Tracy's Landing, MD | PJM Interconnection, LLC (PJM) | 3.2 GWh | Nov 2021 | Dec 2023 | Solar |
| Bomber CSG | Hampstead Solar, LLC | Hampstead, MD | PJM Interconnection, LLC (PJM) | 9.6 GWh | Nov 2021 | 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 - BGE - PR24 TPE | Distributed Solar Development, LLC | Mitchellville, MD | PJM Interconnection, LLC (PJM) | 4.2 GWh | Aug 2022 | 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 |
| Shepherds Mill CSG | Standard Solar | Union Bridge, MD | PJM Interconnection, LLC (PJM) | 3.6 GWh | Aug 2021 | Dec 2023 | Solar |
| MO32 (CSG) | TPE MD MO32 LLC | Spencerville, MD | PJM Interconnection, LLC (PJM) | 3.9 GWh | Apr 2022 | Dec 2023 | Solar |
| 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 |
| Friendship I | Greenbacker Renewable Energy Corporation | West Friendship, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | Mar 2023 | Dec 2023 | Solar |
| Friendship II | Greenbacker Renewable Energy Corporation | West Friendship, MD | PJM Interconnection, LLC (PJM) | 3.5 GWh | Mar 2023 | Dec 2023 | Solar |
| Federalsburg Energy Storage 1 LLC | Convergent Energy and Power LP | Federaslburg, MD | PJM Interconnection, LLC (PJM) | 2.7 GWh | Oct 2021 | Dec 2023 | Solar : 51.3% Electricity used for energy storage : 48.7% |
| CPG - Duke 5300A Holabird | Solar DG MD Holabird Broening ACC, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Nov 2022 | Dec 2023 | Solar |
| CPG - Duke 5300B Holabird | Solar DG MD Holabird Broening ACC, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.5 GWh | Nov 2022 | Dec 2023 | Solar |
| CPG - Duke 5900 Holabird | Solar DG MD Holabird AJCFB, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Nov 2022 | Dec 2023 | Solar |
| CPG - Duke 6000 Holabird | Solar DG MD Holabird AJCFB, LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Nov 2022 | Dec 2023 | Solar |
| KDC Solar CV Ascend One LLC | KDC Solar CV Ascend One LLC | West Friendship, MD | PJM Interconnection, LLC (PJM) | 761.0 MWh | Apr 2023 | Dec 2023 | Solar |
| KDC Solar CV Cedar Lane Park LLC | KDC Solar CV Cedar Lane Park LLC | West Friendship, MD | PJM Interconnection, LLC (PJM) | 647.0 MWh | Oct 2023 | Dec 2023 | Solar |
| KDC Solar CV Central MD Regional Transit | KDC Solar CV Central MD Regional Transit LLC | West Friendship, MD | PJM Interconnection, LLC (PJM) | 568.0 MWh | Apr 2023 | Dec 2023 | Solar |
| KDC Solar CV Animal Control LLC | KDC Solar CV Animal Control LLC | West Friendship, MD | PJM Interconnection, LLC (PJM) | 634.0 MWh | Oct 2023 | Dec 2023 | Solar |
| KDC Solar CV O'Donnell Property LLC | KDC Solar CV O'Donnell Property LLC | West Friendship, MD | PJM Interconnection, LLC (PJM) | 636.0 MWh | Jun 2023 | Dec 2023 | Solar |
| Holly Spring Meadows | Standard Solar | District Heights, MD | PJM Interconnection, LLC (PJM) | 656.0 MWh | Jun 2023 | Dec 2023 | Solar |
| Union Bridge Solar | Citizens Enterprises Corporation | Union Bridge, MD | PJM Interconnection, LLC (PJM) | 12.3 GWh | Mar 2022 | Dec 2023 | Solar |
| Meeting House | Nautilus Solar Solutions | North East, MD | PJM Interconnection, LLC (PJM) | 1.3 GWh | Jul 2023 | Dec 2023 | Solar |
| Bear One | Nautilus Solar Solutions | Hancock, MD | PJM Interconnection, LLC (PJM) | 98.0 MWh | Oct 2023 | Dec 2023 | Solar |
| Central Utility Plant at White Oak | GSA Metropolitan Service Center | Silver Spring, MD | PJM Interconnection, LLC (PJM) | 99.5 GWh | Oct 2003 | May 2024 | Natural Gas : 99.8% |
| Brandon Shores | Brandon Shores LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 1.9 TWh | Apr 1984 | Jun 2024 | Bituminous Coal : 98.8% Distillate Fuel Oil : 1.2% |
| Herbert A Wagner | H.A. Wagner LLC | Baltimore, MD | PJM Interconnection, LLC (PJM) | 127.0 GWh | Jan 1956 | Jun 2024 | Distillate Fuel Oil : 45.8% Residual Fuel Oil : 21.9% Bituminous Coal : 21.0% Natural Gas : 11.3% |
| 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% |
| Chalk Point Power | Lanyard Power Holdings, LLC | Aquasco, MD | PJM Interconnection, LLC (PJM) | 956.4 GWh | Jul 1964 | Jun 2024 | Natural Gas : 99.5% Distillate Fuel Oil : 0.5% |
| Dickerson Power | Lanyard Power Holdings, LLC | Dickerson, MD | PJM Interconnection, LLC (PJM) | 291.5 GWh | May 1959 | Jun 2024 | Natural Gas : 99.4% Distillate Fuel Oil : 0.6% |
| Conowingo | Constellation Power, Inc | Darlington, MD | PJM Interconnection, LLC (PJM) | 2.2 TWh | Feb 1928 | Jun 2024 | Water |
| Calvert Cliffs Nuclear Power Plant | Constellation Nuclear | Lusby, MD | PJM Interconnection, LLC (PJM) | 16.2 TWh | Apr 1975 | Jun 2024 | Nuclear |
| 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% |
| AES Warrior Run Cogeneration Facility | AES WR Ltd Partnership | Cumberland, MD | PJM Interconnection, LLC (PJM) | 783.6 GWh | Jul 1999 | Jun 2024 | Bituminous Coal : 99.8% |
| 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% |
| Domino Sugar Baltimore | American Sugar Refining, Inc. | Baltimore, MD | PJM Interconnection, LLC (PJM) | 53.2 GWh | May 1955 | Jun 2024 | Natural Gas : 99.9% |
| Brandywine Power Facility | KMC Thermo, LLC | Brandywine, MD | PJM Interconnection, LLC (PJM) | 597.2 GWh | Jul 1996 | Jun 2024 | Natural Gas : 99.6% |
| NIH Cogeneration Facility | National Institutes of Health | Bethesda, MD | PJM Interconnection, LLC (PJM) | 190.8 GWh | Jun 2004 | Jun 2024 | Natural Gas |
| CPV St Charles Energy Center | CPV Maryland LLC | Waldorf, MD | PJM Interconnection, LLC (PJM) | 4.1 TWh | Jan 2017 | Jun 2024 | Natural Gas |
| Roth Rock Wind Farm LLC | Roth Rock Wind Farm LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 97.4 GWh | Jul 2011 | Jun 2024 | Wind |
| 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 |
| Criterion | Criterion Power Partners LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 224.1 GWh | Nov 2010 | Jun 2024 | Wind |
| Mount Saint Mary's | Constellation Solar Horizons LLC | Emmitsburg, MD | PJM Interconnection, LLC (PJM) | 19.5 GWh | Jun 2012 | Jun 2024 | Solar |
| Maryland Solar | Arevon Energy, Inc. | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 34.0 GWh | Aug 2013 | Jun 2024 | Solar |
| Fourmile Ridge | Fourmile Wind Energy, LLC | Frostburg, MD | PJM Interconnection, LLC (PJM) | 116.2 GWh | Nov 2014 | Jun 2024 | Wind |
| Fair Wind | Fair Wind Power Partners, LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 86.0 GWh | Oct 2015 | Jun 2024 | Wind |
| Wildcat Point Generation Facility | Old Dominion Electric Coop | Conowingo, MD | PJM Interconnection, LLC (PJM) | 4.0 TWh | Mar 2018 | Jun 2024 | Natural Gas |
| Great Bay Solar 1 | Great Bay Solar I LLC | Princess Anne, MD | PJM Interconnection, LLC (PJM) | 152.5 GWh | Feb 2018 | Jun 2024 | Solar |
| Keys Energy Center | PSEG Keys Energy Center, LLC | Brandywine, MD | PJM Interconnection, LLC (PJM) | 4.7 TWh | Jun 2018 | Jun 2024 | Natural Gas |
| Longview Solar | MN8 Energy LLC | Hebron, MD | PJM Interconnection, LLC (PJM) | 27.0 GWh | Jan 2016 | Jun 2024 | Solar |
| Church Hill | MN8 Energy LLC | Church Hill, MD | PJM Interconnection, LLC (PJM) | 8.1 GWh | Apr 2016 | Jun 2024 | Solar |
| Emmitsburg Solar Arrays | UGI Energy Services, LLC | Emmitsburg, MD | PJM Interconnection, LLC (PJM) | 2.9 GWh | Mar 2014 | Jun 2024 | 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% |
| Bluegrass Solar | Bluegrass Solar, LLC | Church Hill, MD | PJM Interconnection, LLC (PJM) | 176.6 GWh | Sep 2022 | Jun 2024 | Solar |
| Ripley | Conductive Power | La Plata, MD | PJM Interconnection, LLC (PJM) | 58.3 GWh | Mar 2023 | Jun 2024 | 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 |