- Combustion
- Operating
- 10 · 100 · 1,000 MW
Map
- Combustion
- Operating
Middletown: location. Basemap: Protomaps, © OpenStreetMap contributors, ODbL.
Middletown
Power plant · Oil
Key facts
Power plant · Oilran 1% of 2025 Out of service- Capacity
- Capacity: sourceEIA-860M · Open licenseMW
- Commissioned
- 1958
- Net generation, 2025
- 86,758 MWh
- Grid
- 345 kV, 115 kV to Connecticut Light & Power Co (ISNE)
- Location
- Middlesex County, Connecticut
- Operated by
- Middletown Power LLC
Operations
- Net generation, 2025
- 86,758
MWh - Fuel burned, 2025
- 1,256,805
MMBtu - Capacity factor, 2025
- 1.3
% - Heat rate, 2025
- 14,486
Btu/kWh
| Year | Net generation (MWh) | Fuel burned (MMBtu) | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|---|
| 2025 | 86,758 | 1,256,805 | 1.3% | 14,486 |
| 2024 | 32,953 | 566,443 | 0.5% | 17,189 |
| 2023 | 169,772 | 1,997,456 | 2.5% | 11,766 |
| 2022 | 188,240 | 2,483,249 | 2.7% | 13,192 |
| 2021 | 154,648 | 2,031,550 | 2.2% | 13,137 |
| 2020 | 294,841 | 3,514,403 | 4.3% | 11,920 |
| 2019 | 192,921 | 2,969,659 | 2.8% | 15,393 |
| 2018 | 379,699 | 4,531,994 | 5.5% | 11,936 |
| 2017 | 221,967 | 2,504,308 | 3.2% | 11,282 |
| 2016 | 256,781 | 2,928,098 | 3.7% | 11,403 |
| 2015 | 423,273 | 4,871,045 | 6.1% | 11,508 |
| 2014 | 234,935 | 2,679,662 | 3.4% | 11,406 |
| 2013 | 108,547 | 1,312,051 | 1.6% | 12,087 |
| 2012 | 180,083 | 2,086,193 | 2.6% | 11,585 |
| 2011 | 101,837 | 1,275,798 | 1.5% | 12,528 |
| 2010 | 314,451 | 3,866,247 | 4.6% | 12,295 |
| 2009 | 151,991 | 1,790,239 | 2.2% | 11,779 |
| 2008 | 159,082 | 1,948,269 | 2.3% | 12,247 |
| 2007 | 500,714 | 5,790,582 | 7.3% | 11,565 |
| 2006 | 510,796 | 6,066,808 | 7.4% | 11,877 |
| 2005 | 938,264 | 10,614,386 | 13.6% | 11,313 |
| 2004 | 465,829 | 5,238,901 | 6.7% | 11,246 |
| 2003 | 457,758 | 5,059,124 | 6.6% | 11,052 |
| 2002 | 542,391 | 6,171,207 | 7.9% | 11,378 |
| 2001 | 1,574,792 | 16,620,980 | 22.9% | 10,554 |
How these are worked out
Net generation and fuel burned are the monthly figures EIA publishes in its bulk electricity file, from the plant's Form 923 reports; a year is the sum of its months. Capacity factor is a full year's net generation over today's nameplate capacity times the hours in that year (8,784 in a leap year), so a plant uprated or partly retired since reads against its current size; heat rate is fuel burned over net generation, for plants that burn fuel. A year with fewer than twelve months stated has no capacity factor, and a value outside the plausible range is left blank rather than shown. By month, the charts apply the same rules to each month's own hours and fuel.