Power plants planned and retiring in Pennsylvania
Pennsylvania plans 6,499 MW, 13% of its 49,445 MW in service (30th of 51). 346 MW is being built or tested; natural gas leads at 4,398 MW.
Pennsylvania: planned against running
Pennsylvania planned, by fuel
- Solar 1,972 MW (30%)
- Storage 21 MW (0%)
- Natural gas 4,398 MW (68%)
- Hydro 107 MW (2%)
Pennsylvania operating, by fuel
- Solar 1,206 MW (2%)
- Storage 1,546 MW (3%)
- Wind 1,662 MW (3%)
- Natural gas 27,748 MW (56%)
- Coal 4,632 MW (9%)
- Nuclear 9,896 MW (20%)
- Hydro 930 MW (2%)
- Oil 1,334 MW (3%)
- Other 490 MW (1%)
When Pennsylvania capacity arrives and leaves
MW due online and retiring in Pennsylvania, 2026 to 2035: 7 rows
| Year | Pennsylvania planned MW | Pennsylvania retiring MW |
|---|---|---|
| 2026 | 216 | 764 |
| 2027 | 900 | No data |
| 2028 | 3193 | No data |
| 2029 | 1884 | No data |
| 2030 | 291 | No data |
| 2031 | 15 | No data |
| 2035 | No data | 3111 |
7 rows from EIA-860M.
CSVPennsylvania projects dated after 2035 or without a year: 0 MW.
Where the Pennsylvania projects are
Pennsylvania: 31 counties shaded, darker for more planned MW.
Filter Pennsylvania planned projects
Filter the 71 planned project lines in Pennsylvania.
6,499 MW across 71 project lines, 13% of the 49,445 MW operating in Pennsylvania.
- Homer City Generating Station, Indiana: 2,512 MW natural gas, online 2028
- Homer City Generating Station, Indiana: 1,884 MW natural gas, online 2029
- Firefly Solar PA, Lawrence: 402 MW solar, online 2027
- Mineral Basin Solar Power, Clearfield: 402 MW solar, online 2028
- Moonlight Flats Solar Power 1, Clearfield: 250 MW solar, online 2030
What the Pennsylvania numbers say
Pennsylvania runs 49,445 MW today. The planned list would add 6,499 MW (13%) while 3,875 MW (8%) of operating units carry a retirement date. Through 2035, Pennsylvania has 6,499 MW due online and 3,875 MW due to retire there.
Pennsylvania planned mix: 31% solar, storage and wind, 68% natural gas. Pennsylvania stages: 346 MW under construction or in testing, 350 MW permits received, not started, 586 MW permits pending, 5,218 MW early planning, no approvals started. Pennsylvania retired 2,846 MW from 2021 to 2026 and has 4,553 MW on the canceled or postponed list.
Pennsylvania capacity by fuel and status
| Pennsylvania fuel | Operating MW | Planned MW | Retiring MW | Retired MW | Canceled in Pennsylvania, MW |
|---|---|---|---|---|---|
| Solar | 1,206 | 1,972 | – | 2 | 554 |
| Storage | 1,546 | 21 | – | – | 20 |
| Wind | 1,662 | – | – | – | 201 |
| Natural gas | 27,748 | 4,398 | 3,871 | 119 | 3,626 |
| Coal | 4,632 | – | – | 2,453 | 41 |
| Nuclear | 9,896 | – | – | – | – |
| Hydro | 930 | 107 | – | – | 6 |
| Oil | 1,334 | – | – | 254 | – |
| Other | 490 | – | 4 | 17 | 105 |
| All fuels | 49,445 | 6,499 | 3,875 | 2,846 | 4,553 |
Pennsylvania counties with the most planned capacity
| Pennsylvania county | Planned, MW | Generators | Largest fuel |
|---|---|---|---|
| Indiana County | 4,396 | 14 | Natural gas |
| Clearfield County | 667 | 8 | Solar |
| Lawrence County | 402 | 1 | Solar |
| Centre County | 162 | 1 | Solar |
| York County | 157 | 3 | Solar |
| McKean County | 123 | 2 | Solar |
| Bradford County | 100 | 1 | Solar |
| Juniata County | 83 | 2 | Solar |
| Allegheny County | 61 | 32 | Hydro |
| Carbon County | 60 | 1 | Solar |
Largest planned projects in Pennsylvania
| Pennsylvania plant | County | Fuel | Stage | Due | MW |
|---|---|---|---|---|---|
| Homer City Generating Station | Indiana | Natural gas | Early planning, no approvals started | 2028 | 2,512 |
| Homer City Generating Station | Indiana | Natural gas | Early planning, no approvals started | 2029 | 1,884 |
| Firefly Solar PA | Lawrence | Solar | Permits pending | 2027 | 402 |
| Mineral Basin Solar Power | Clearfield | Solar | Early planning, no approvals started | 2028 | 402 |
| Moonlight Flats Solar Power 1 | Clearfield | Solar | Early planning, no approvals started | 2030 | 250 |
| MPG Solar | Centre | Solar | Permits received, not started | 2028 | 162 |
| Clermont Solar | McKean | Solar | Under construction or in testing | 2026 | 120 |
| Bradford Solar PA | Bradford | Solar | Permits pending | 2027 | 100 |
| Walker Solar | Juniata | Solar | Under construction or in testing | 2026 | 80 |
| Strinestown Solar | York | Solar | Permits received, not started | 2027 | 80 |
Pennsylvania against its neighbors
Pennsylvania: planned MW equal 13% of operating. Bordering states: Delaware plans 7% of what it runs (6 points below Pennsylvania); Maryland plans 0% of what it runs (13 points below Pennsylvania); New Jersey plans 0% of what it runs (13 points below Pennsylvania); New York plans 17% of what it runs (4 points above Pennsylvania); Ohio plans 10% of what it runs (3 points below Pennsylvania); West Virginia plans 6% of what it runs (8 points below Pennsylvania).
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Sources
EIA-860M inventory for Pennsylvania: 661 operating generators, 71 planned lines, edition August 2026, retrieved 5 Oct 2026. Sources for {e(sn)}.
More on Pennsylvania
Questions
Pennsylvania: how much new power plant capacity is planned?
6,499 MW, 13% of the 49,445 MW Pennsylvania runs. 346 MW is being built or tested in Pennsylvania.
Pennsylvania: what kind of power plants are planned?
Natural gas leads Pennsylvania with 4,398 of 6,499 planned MW.
Pennsylvania: which power plants are retiring?
3,875 MW of Pennsylvania units have a retirement date, of which 0 MW is coal and 3,871 MW natural gas.
Will Pennsylvania get all the planned plants?
Not necessarily. Pennsylvania has 4,553 MW canceled or postponed, and 2,846 MW (coal the largest group) retired from 2021 to 2026.