Gateway Solar, LLC
Solar power plant · Penobscot County, Maine
Nameplate capacity
4.0 MW
Rank in Maine
#174
of 274 plants
In service since
2024
November 2024
Details
- Primary fuel
- Solar
- Technology
- Solar Photovoltaic
- Operator
- —
- County
- Penobscot County
- Generating units
- 1
- Share of state capacity
- 0.06%
- Rank among solar plants in Maine
- #99 of 175
- EIA plant code
- 70159
Generating units
| Unit | Technology | Nameplate | Summer | Online | Status |
|---|---|---|---|---|---|
| GTWAY | Solar Photovoltaic | 4.0 MW | 4.0 MW | 2024 | Operating |
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 Maine
| Dynamic - Exeter Solar CSG | Solar | 4.0 MW |
| Gardiner A, LLC | Solar | 4.0 MW |
| Hartland Solar | Solar | 4.0 MW |
| ISM Solar Shepherd Acres | Solar | 4.0 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 4.0 MW solar plant and a 4.0 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 Maine power plants · What Maine actually generates