Eastern Correctional Institute
Somerset County, Maryland · EIA plant ID 10693 · Operator: Maryland Environmental Service
Nameplate6MWSummer 5 MW
Generators4in service
Net generation15GWh12 mo to Aug 2026
Capacity factor36%gas/coal/oil units, summer MW
Heat rate11,065Btu/kWhfossil units, electric fuel, HHV
First online1987Runs as peaking
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 12.2 | — | — |
| 2002 | 9.2 | — | — |
| 2003 | 0.2 | 0.9% | 10,574 |
| 2004 | 9.6 | 2.0% | 12,360 |
| 2005 | 12.4 | 0.6% | 10,867 |
| 2006 | 16.9 | 0.7% | 11,025 |
| 2007 | 11.5 | 0.6% | 10,377 |
| 2008 | 16.8 | 1.0% | 11,866 |
| 2009 | 15.7 | 1.8% | 12,861 |
| 2010 | 16.4 | 1.5% | 12,732 |
| 2011 | 16.6 | 0.6% | 11,116 |
| 2012 | 18 | 0.8% | 11,525 |
| 2013 | 16.4 | 0.4% | 11,516 |
| 2014 | 12.4 | 0.5% | 10,750 |
| 2015 | 11.6 | 1.5% | 10,502 |
| 2016 | 11.6 | 1.2% | 8,465 |
| 2017 | 4.2 | 0.4% | 8,918 |
| 2018 | 11.6 | 1.4% | 9,877 |
| 2019 | 12.1 | 3.6% | 8,963 |
| 2020 | 10.4 | 0.7% | 9,916 |
| 2021 | 8.6 | 0.9% | 12,425 |
| 2022 | 7.1 | 1.3% | 10,834 |
| 2023 | 2.9 | 1.2% | 10,610 |
| 2024 | 1.2 | 4.0% | 9,144 |
| 2025 | 12 | 29.8% | 11,078 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| 1147 | Natural Gas Steam Turbine | ST | 1.9 | 1.3 | Aug 1987 | Operating | — | coming soon |
| 1148 | Natural Gas Steam Turbine | ST | 1.9 | 1.3 | Aug 1987 | Operating | — | coming soon |
| DG1 | Petroleum Liquids | IC | 1 | 1 | Nov 1988 | Operating (Standby / backup) | — | coming soon |
| DG2 | Petroleum Liquids | IC | 1 | 1 | Nov 1988 | Operating (Standby / backup) | — | coming soon |
Owner / operator
Operator: Maryland Environmental Service. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Maryland Environmental Service | 100.0% | 6 MW |
Nearby plants
Within 80 km.
| Great Bay Solar 1 | 118 MW | 1.2 km |
| UMES (MD) - Princess Anne | 2 MW | 5.4 km |
| UMMS at Pocomoke | 3 MW | 10.6 km |
| Costen Solar | 9 MW | 10.6 km |
| Crisfield | 12 MW | 21.7 km |
| Parker Place | 2 MW | 23 km |