Power plant · Pennsylvania, United States
Firefly Solar PA
Firefly Solar PA is a planned power plant in Pennsylvania, United States, with 402 MW of capacity, owned by Vesper Energy Development 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 | Pennsylvania | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Status | Planned | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Start year | 2027 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Owner | Vesper Energy Development LLC | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Operator | Vesper Energy Development LLC | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Capacity | 402 MW | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Technology | Solar Photovoltaic | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Coordinates | 40.9303, -80.4324 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
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How it compares
Firefly Solar PA is the 2nd-largest of 8 power plants planned, permitted or under construction in Pennsylvania and the 165th-largest of 835 in the United States by capacity; its 402 MW is 0.14% of the 282,375 MW of power plants planned, permitted or under construction we hold for the United States. It is not built yet, so it is ranked among the power plants planned, permitted or under construction in our data, apart from the ones running today. Ranks and totals cover the ones that report their capacity.
| Within | Rank | Total | Share |
|---|---|---|---|
| Pennsylvania | 2nd of 8 | 5,946 MW | 6.8% |
| United States | 165th of 835 | 282,375 MW | 0.14% |
| All power plants planned, permitted or under construction in our data | 192nd of 3,008 | 360,526 MW | 0.11% |
Nearby
Within 50 km of this power plant: 1 data center, measured from the coordinates in the facts above.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| OpenAI Stargate Lordstown | Data center | — | Under construction | 45 km |
Owner, operator and place
More from Vesper Energy Development LLC
- Sunscape Renewable Energy1,000 MW · planned
- Hornet Solar (TX)600 MW
- Red Hollow Renewable Energy600 MW · planned
- Sunrose Renewable Energy600 MW · planned
- Athens Solar I (Hybrid)500 MW · planned
- Mystic Springs Renewable Energy (Hybrid)500 MW · planned
- Hornet Solar II (TX) (Hybrid)400 MW · planned
- Scopus Solar400 MW · planned
Other power plants in Pennsylvania
- Peach Bottom2,876 MW
- TalenEnergy Susquehanna2,532 MW
- Limerick2,277 MW
- Conemaugh1,963 MW
- Keystone1,883 MW
- Beaver Valley1,847 MW
- TalenEnergy Montour1,758 MW
- TalenEnergy Martins Creek1,701 MW
Data on this page
- Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
- Epoch AI. Epoch AI data centers, CC BY 4.0.
- Bundesnetzagentur, Marktstammdatenregister. Marktstammdatenregister, DL-DE-BY-2.0.