Power plant · Maryland, United States
Calvert Cliffs Nuclear Power Plant
Calvert Cliffs Nuclear Power Plant is a power plant in Maryland, United States, with 1,850 MW of capacity, owned by Constellation Nuclear.
Facts
Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.
| Fact | Value | Source |
|---|---|---|
| Location | Maryland | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Status | Operating | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Start year | 1975 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Owner | Constellation Nuclear | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Operator | Constellation Nuclear | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Capacity | 1,850 MW | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Technology | Nuclear | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Coordinates | 38.4344, -76.4417 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
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How it compares
Calvert Cliffs Nuclear Power Plant is the largest of 10 power plants in Maryland and the 85th-largest of 800 in the United States by capacity; its 1,850 MW is 0.22% of the 839,036 MW we hold for the United States. Ranks and totals cover the power plants in our data that report their capacity, not every one in existence. Power plants planned, permitted or under construction are ranked apart.
| Within | Rank | Total | Share |
|---|---|---|---|
| Maryland | 1st of 10 | 10,358 MW | 18% |
| United States | 85th of 800 | 839,036 MW | 0.22% |
| All power plants in our data | 89th of 4,829 | 1,037,268 MW | 0.18% |
Owner, operator and place
More from Constellation Nuclear
- Peach Bottom2,876 MW
- South Texas Project2,709 MW
- Braidwood Generation Station2,450 MW
- Byron Generating Station2,450 MW
- PSEG Salem Generating Station2,382 MW
- LaSalle Generating Station2,340 MW
- Limerick2,277 MW
- Dresden Generating Station2,019 MW
Other power plants in Maryland
- Chalk Point Power1,825 MW
- Brandon Shores1,370 MW
- Wildcat Point Generation Facility1,114 MW
- Key831 MW
- Essential Power Rock Springs LLC796 MW
- CPV St Charles Energy Center775 MW
- Herbert A Wagner774 MW
- Conowingo531 MW
Data on this page
- Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
- Bundesnetzagentur, Marktstammdatenregister. Marktstammdatenregister, DL-DE-BY-2.0.