Directory of Power Plants in Maryland
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Montgomery County Resource Recovery | Covanta Montgomery, Inc. | Dickerson, MD | PJM Interconnection, LLC (PJM) | 234.7 GWh | Apr 1995 | Aug 2026 | Non-biogenic Municipal Solid Waste : 53.7% Biogenic Municipal Solid Waste : 44.0% Natural Gas : 2.3% |
| Domino Sugar Baltimore | American Sugar Refining, Inc. | Baltimore, MD | PJM Interconnection, LLC (PJM) | 41.6 GWh | May 1955 | Aug 2026 | Natural Gas : 89.9% Residual Fuel Oil : 10.1% |
| Brandywine Power Facility | Alpha Generation Brandywine, LLC | Brandywine, MD | PJM Interconnection, LLC (PJM) | 676.1 GWh | Jul 1996 | Aug 2026 | Natural Gas : 94.8% Distillate Fuel Oil : 5.2% |
| NIH Cogeneration Facility | National Institutes of Health | Bethesda, MD | PJM Interconnection, LLC (PJM) | 123.0 GWh | Jun 2004 | Aug 2026 | Natural Gas |
| CPV St Charles Energy Center | CPV Maryland LLC | Waldorf, MD | PJM Interconnection, LLC (PJM) | 3.9 TWh | Jan 2017 | Aug 2026 | Natural Gas |
| Roth Rock Wind Farm LLC | Roth Rock Wind Farm LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 102.8 GWh | Jul 2011 | Aug 2026 | Wind |
| Roth Rock North Wind Farm, LLC | Roth Rock Wind Farm LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 25.7 GWh | Jul 2011 | Aug 2026 | Wind |
| Criterion | Criterion Power Partners LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 272.3 GWh | Nov 2010 | Aug 2026 | Wind |
| Mount Saint Mary's | Constellation Solar Horizons LLC | Emmitsburg, MD | PJM Interconnection, LLC (PJM) | 17.2 GWh | Jun 2012 | Aug 2026 | Solar |
| Central Utility Plant at White Oak | GSA Metropolitan Service Center | Silver Spring, MD | PJM Interconnection, LLC (PJM) | 94.9 GWh | Oct 2003 | Aug 2026 | Natural Gas : 99.0% Distillate Fuel Oil : 1.0% |
| Maryland Solar | Arevon Energy, Inc. | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 28.4 GWh | Aug 2013 | Aug 2026 | Solar |
| Fourmile Ridge | Fourmile Wind Energy, LLC | Frostburg, MD | PJM Interconnection, LLC (PJM) | 111.9 GWh | Nov 2014 | Aug 2026 | Wind |
| Fair Wind | Fair Wind Power Partners, LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 82.3 GWh | Oct 2015 | Aug 2026 | Wind |
| Wildcat Point Generation Facility | Old Dominion Electric Coop | Conowingo, MD | PJM Interconnection, LLC (PJM) | 3.0 TWh | Mar 2018 | Aug 2026 | Natural Gas |
| Great Bay Solar 1 | Great Bay Solar I LLC | Princess Anne, MD | PJM Interconnection, LLC (PJM) | 137.5 GWh | Feb 2018 | Aug 2026 | Solar |
| Key | Parkway Generation Keys Energy Center LLC | Brandywine, MD | PJM Interconnection, LLC (PJM) | 4.5 TWh | Jun 2018 | Aug 2026 | Natural Gas |
| Longview Solar | MN8 Energy LLC | Hebron, MD | PJM Interconnection, LLC (PJM) | 20.1 GWh | Jan 2016 | Aug 2026 | Solar |
| Church Hill | MN8 Energy LLC | Church Hill, MD | PJM Interconnection, LLC (PJM) | 5.2 GWh | Apr 2016 | Aug 2026 | Solar |
| Emmitsburg Solar Arrays | UGI Energy Services, LLC | Emmitsburg, MD | PJM Interconnection, LLC (PJM) | 2.3 GWh | Mar 2014 | Aug 2026 | Solar |
| NRG Chalk Point CT | NRG Chalk Point CT | Aquasco, MD | PJM Interconnection, LLC (PJM) | 21.5 GWh | May 1990 | Aug 2026 | Distillate Fuel Oil : 98.3% Natural Gas : 1.7% |
| Macy's MD Joppa Solar Project | Northstar Macy's Maryland 2015, LLC | Joppa, MD | PJM Interconnection, LLC (PJM) | 3.2 GWh | Feb 2016 | Aug 2026 | Solar |
| Bluegrass Solar | MN8 Energy LLC | Church Hill, MD | PJM Interconnection, LLC (PJM) | 76.5 GWh | Sep 2022 | Aug 2026 | Solar |
| Ripley | MN8 Energy LLC | La Plata, MD | PJM Interconnection, LLC (PJM) | 50.5 GWh | Mar 2023 | Aug 2026 | Solar |
| Egypt Road Solar | Urban Grid Solar | Cambridge, MD | PJM Interconnection, LLC (PJM) | 75.5 GWh | Nov 2025 | Aug 2026 | Solar |
| Jones Farm Solar | Urban Grid Solar | Millington, MD | PJM Interconnection, LLC (PJM) | 130.1 GWh | May 2025 | Aug 2026 | Solar |
| Morgnec Solar | Urban Grid Solar | Chestertown, MD | PJM Interconnection, LLC (PJM) | 9.5 GWh | - | Aug 2026 | Solar |
| CPV Backbone Solar | CPV Backbone Solar, LLC | Swanton, MD | PJM Interconnection, LLC (PJM) | 169.3 GWh | Nov 2025 | Aug 2026 | Solar |
| Cherrywood Solar I | Cherrywood Solar, LLC | Greensboro, MD | PJM Interconnection, LLC (PJM) | 128.6 GWh | - | Aug 2026 | Solar |
| Dans Mountain | Dans Mountain Wind Force, LLC | Frostburg, MD | PJM Interconnection, LLC (PJM) | 168.2 GWh | Apr 2025 | Aug 2026 | Wind |
| Fairview Farms | Madison Energy Investments LLC | Bel Air, MD | PJM Interconnection, LLC (PJM) | 48.8 GWh | Nov 2024 | Aug 2026 | Solar |
| Bluegrass Solar 2 | MN8 Energy LLC | Sudlersville, MD | PJM Interconnection, LLC (PJM) | 77.5 GWh | Sep 2022 | Aug 2026 | Solar |
| Richfield Solar Energy LLC | Invenergy Services LLC | Hurlock, MD | PJM Interconnection, LLC (PJM) | 19.8 GWh | May 2024 | Aug 2026 | Solar |
Browse Power Plants By Maryland Counties
Figures are based on August 2026 generation numbers.| County | State Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Calvert County, MD | # 1 | 3 | 14.9 TWh |
| Prince George's County, MD | # 2 | 42 | 8.2 TWh |
| Charles County, MD | # 3 | 6 | 4.0 TWh |
| Anne Arundel County, MD | # 4 | 13 | 3.5 TWh |
| Cecil County, MD | # 5 | 10 | 3.4 TWh |
| Harford County, MD | # 6 | 20 | 1.9 TWh |
| Montgomery County, MD | # 7 | 18 | 833.3 GWh |
| Garrett County, MD | # 8 | 24 | 794.4 GWh |
| Baltimore city, MD | # 9 | 11 | 375.9 GWh |
| Queen Anne's County, MD | # 10 | 10 | 316.6 GWh |
| Allegany County, MD | # 11 | 5 | 200.3 GWh |
| Somerset County, MD | # 12 | 7 | 161.2 GWh |
| County | State Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Dorchester County, MD | # 13 | 8 | 153.4 GWh |
| Caroline County, MD | # 14 | 2 | 129.9 GWh |
| Washington County, MD | # 15 | 20 | 75.7 GWh |
| Baltimore County, MD | # 16 | 31 | 74.9 GWh |
| Howard County, MD | # 17 | 26 | 73.8 GWh |
| Frederick County, MD | # 18 | 11 | 71.3 GWh |
| Wicomico County, MD | # 19 | 11 | 44.7 GWh |
| Worcester County, MD | # 20 | 5 | 34.3 GWh |
| Carroll County, MD | # 21 | 4 | 24.4 GWh |
| Kent County, MD | # 22 | 6 | 23.0 GWh |
| Talbot County, MD | # 23 | 3 | 12.7 GWh |