Power plant · Connecticut, United States
Kleen Energy Systems
Kleen Energy Systems is a power plant in Connecticut, United States, with 693 MW of capacity, owned by Kleen Energy Systems, LLC.
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 | Connecticut | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Status | Operating | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Start year | 2011 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Owner | Kleen Energy Systems, LLC | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Operator | Kleen Energy Systems, LLC | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Capacity | 693 MW | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Technology | Natural Gas Fired Combined Cycle | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Coordinates | 41.5532, -72.5969 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
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How it compares
Kleen Energy Systems is the 4th-largest of 9 power plants in Connecticut and the 490th-largest of 800 in the United States by capacity; its 693 MW is <0.1% 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 |
|---|---|---|---|
| Connecticut | 4th of 9 | 7,446 MW | 9.3% |
| United States | 490th of 800 | 839,036 MW | <0.1% |
| All power plants in our data | 536th of 4,829 | 1,037,268 MW | <0.1% |
Owner, operator and place
Other power plants in Connecticut
- Millstone2,260 MW
- CPV Towantic Energy Center842 MW
- Lake Road Generating Plant840 MW
- New Haven Steam642 MW
- Milford Power Project578 MW
- Bridgeport Station576 MW
- Bridgeport Energy Project520 MW
- Montville Station495 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.