Plymouth State College Cogeneration
Other power plant · Grafton County, New Hampshire
Details
- Primary fuel
- Other
- Technology
- Petroleum Liquids
- Operator
- Plymouth State University
- County
- Grafton County
- Generating units
- 2
- Share of state capacity
- 0.06%
- Rank among other plants in New Hampshire
- #15 of 17
- EIA plant code
- 54803
Generating units
| Unit | Technology | Nameplate | Summer | Online | Status |
|---|---|---|---|---|---|
| B | Petroleum Liquids | 1.6 MW | 1.6 MW | 2000 | Standby/Backup: available for service but not normally used |
| A | Petroleum Liquids | 1.2 MW | 1.2 MW | 1994 | Standby/Backup: available for service but not normally used |
Nameplate is the maximum rated output; summer capacity is what the unit can reliably deliver on a hot day, which is typically lower.
Similarly sized plants in New Hampshire
| Errol Hydroelectric Project | Hydro | 3.0 MW |
| Mine Falls Generating Station | Hydro | 3.0 MW |
| Pembroke Hydro | Hydro | 2.7 MW |
| Clement Dam Hydro LLC | Hydro | 2.4 MW |
About this data
From EIA’s inventory of operable generators, May 2026 release. Capacity is nameplate — the maximum rated output of the equipment, not what the plant actually generates over a year, which depends on how often it runs. A 2.8 MW solar plant and a 2.8 MW nuclear plant have the same entry here and produce very different amounts of electricity.
“In service since” is the earliest in-service date among the units still listed, so a site rebuilt around newer equipment can read as younger than the site itself. All New Hampshire power plants · What New Hampshire actually generates