CCBC Essex
Baltimore County, Maryland · EIA plant ID 69109 · Operator: Constellation Solar MC, LLC
Nameplate1MWSummer 1 MW
Generators1in service
Net generation2GWh12 mo to Dec 2025
Capacity factor14%solar units, summer MW
Heat rate—thermal plants only
First online2015
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), solar 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.
Heat rate applies to fuel-burning (thermal) units only.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2025 | 1.7 | 14.1% | — |
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 |
|---|---|---|---|---|---|---|---|---|
| ESSEX | Solar Photovoltaic | PV | 1.4 | 1.4 | Oct 2015 | Operating | — | coming soon |
Owner / operator
Operator: Constellation Solar MC, LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Constellation Solar MC, LLC | 100.0% | 1 MW |
Nearby plants
Within 80 km.
| Kelso Community Solar I | 2 MW | 2.8 km |
| Kelso Community Solar II | 1 MW | 2.8 km |
| White Marsh Mall | 1 MW | 3 km |
| General Motors Corp at White Marsh MD | retired | 4.3 km |
| Back River Waste Water Treatment | 3 MW | 5.8 km |
| 7001 Quad Solar, LLC | 4 MW | 6.4 km |