Power Plants in Pennsylvania
Bywatts lists 225 power plants in Pennsylvania.
Weather peril risk for Pennsylvania projects
67 Pennsylvania counties carry a FEMA National Risk Index hazard profile. Riverine flooding is the leading peril in 33 of them, and Greene County ranks highest for modeled catastrophe exposure at 3.0 of 5.
Pennsylvania counties ranked by modeled catastrophe exposure
| County | Exposure score | Band | Leading peril | FEMA rating | Insurability signal |
|---|---|---|---|---|---|
| Greene County | 3.0 of 5 | Elevated | Riverine flooding | Relatively Moderate | Standard |
| Washington County | 2.4 of 5 | Moderate | Riverine flooding | Relatively Moderate | Standard |
| Fayette County | 2.2 of 5 | Moderate | Riverine flooding | Relatively Moderate | Standard |
| Mercer County | 2.2 of 5 | Moderate | Winter weather | Relatively Moderate | Standard |
| Beaver County | 2.1 of 5 | Moderate | Riverine flooding | Relatively Moderate | Standard |
| Lawrence County | 1.9 of 5 | Moderate | Riverine flooding | Relatively Moderate | Standard |
| Fulton County | 1.9 of 5 | Moderate | Hurricane | Relatively Low | Standard |
| Westmoreland County | 1.9 of 5 | Moderate | Hurricane | Relatively Low | Standard |
| Bedford County | 1.8 of 5 | Moderate | Riverine flooding | Relatively Moderate | Standard |
| Franklin County | 1.8 of 5 | Moderate | Hurricane | Relatively Moderate | Standard |
What this means for insurance placement in Pennsylvania
1 of 67 assessed Pennsylvania counties flag as Constrained or Difficult on the modeled insurability signal, which is where percentage hail and named windstorm deductibles, and any sublimit discussion, tend to start. The signal is a screening output, not a carrier decision.
Score a Pennsylvania county for hail, wind and flood exposure in the weather risk calculator
Data source and vintage
- FEMA rating, national percentile and events per year are reported by the FEMA National Risk Index for the county.
- Exposure score is derived by Bywatts as the national percentile of the county's modeled solar loss rate, so a 5 is the worst national quintile. Band and insurability signal are Bywatts screening outputs, not carrier decisions.
Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level. The solar vulnerability layer that turns FEMA building loss into modeled solar loss was derived by Bywatts and revised on physical reasoning. It has not been reviewed by a practising underwriter.
| Plant | Fuel | Capacity (MW) | Operator |
|---|---|---|---|
| FIRSTENERGY BRUCE MANSFIELD | Coal | 2,741 | FIRSTENERGY GENERATION CORP |
| PPL SUSQUEHANNA | Nuclear | 2,596 | PPL SUSQUEHANNA LLC |
| PEACH BOTTOM | Nuclear | 2,319 | EXELON NUCLEAR |
| LIMERICK | Nuclear | 2,277 | EXELON NUCLEAR |
| HOMER CITY STATION | Coal | 2,012 | MIDWEST GENERATIONS EME LLC |
| CONEMAUGH | Coal | 1,884 | GENON NORTHEAST MANAGEMENT COMPANY |
| KEYSTONE | Coal | 1,884 | GENON NORTHEAST MANAGEMENT COMPANY |
| BEAVER VALLEY | Nuclear | 1,847 | FIRSTENERGY NUCLEAR OPERATING COMPANY |
| PPL MARTINS CREEK | Oil | 1,790 | PPL MARTINS CREEK LLC |
| HATFIELDS FERRY POWER STATION | Coal | 1,728 | ALLEGHENY ENERGY SUPPLY CO LLC |
| PPL MONTOUR | Coal | 1,642 | PPL MONTOUR LLC |
| PPL BRUNNER ISLAND | Coal | 1,567 | PPL BRUNNER ISLAND LLC |
| FAIRLESS ENERGY CENTER | Natural Gas | 1,338 | FAIRLESS ENERGY LLC |
| BETHLEHEM POWER PLANT | Natural Gas | 1,300 | CALPINE BETHLEHEM LLC |
| MUDDY RUN | Hydro | 1,072 | EXELON POWER |
| THREE MILE ISLAND | Nuclear | 976 | EXELON NUCLEAR |
| HUNTERSTOWN | Natural Gas | 898 | NRG WHOLESALE GENERATION LP |
| EDDYSTONE GENERATING STATION | Coal | 862 | EXELON POWER |
| FPL ENERGY MARCUS HOOK LP | Natural Gas | 836 | FPL ENERGY MARCUS HOOK LP |
| PPL IRONWOOD LLC | Natural Gas | 778 | PPL IRONWOOD LLC |
| ONTELAUNEE ENERGY CENTER | Natural Gas | 728 | ONTELAUNEE ENERGY CENTER |
| ARMSTRONG | Natural Gas | 688 | IPA OPERATIONS INC - ARMSTRONG |
| LOWER MOUNT BETHEL ENERGY | Natural Gas | 652 | LOWER MOUNT BETHEL ENERGY LLC |
| FAYETTE ENERGY FACILITY | Natural Gas | 644 | DUKE ENERGY COMMERCIAL ASSET MANAGEMENT |
| CHESWICK POWER PLANT | Coal | 637 | NRG POWER MIDWEST LP |
| SHAWVILLE | Coal | 632 | NRG REMA LLC |
| PORTLAND | Coal | 621 | NRG REMA LLC |
| LIBERTY ELECTRIC POWER PLANT | Natural Gas | 614 | LIBERTY ELECTRIC POWER LLC |
| SEWARD | Coal | 585 | NRG WHOLESALE GENERATION LP |
| YORK ENERGY CENTER | Unknown | 560 | CALPINE MID-MERIT LLC |
| ALLEGHENY ENERGY UNITS 3 4 & 5 | Natural Gas | 556 | ALLEGHENY ENERGY SUPPLY CO LLC |
| CROYDON CT GENERATING STATION | Oil | 546 | EXELON POWER |
| ELRAMA POWER PLANT | Coal | 510 | NRG POWER MIDWEST LP |
| SUNBURY GENERATION LP | Coal | 491 | SUNBURY GENERATION LP |
| FIRSTENERGY SENECA | Hydro | 469 | FIRSTENERGY GENERATION CORP |
| SAFE HARBOR | Hydro | 418 | SAFE HARBOR WATER POWER CORP |
| BRUNOT ISLAND | Natural Gas | 416 | NRG POWER MIDWEST LP |
| FIRSTENERGY MITCHELL POWER STATION | Coal | 374 | ALLEGHENY ENERGY SUPPLY CO LLC |
| NEW CASTLE PLANT | Coal | 354 | NRG POWER MIDWEST LP |
| HANDSOME LAKE ENERGY LLC | Natural Gas | 295 | HANDSOME LAKE ENERGY LLC |
| TITUS | Coal | 261 | NRG REMA LLC |
| GRAYS FERRY COGENERATION | Natural Gas | 193 | GRAYS FERRY COGEN PARTNERSHIP |
| HAZELTON | Natural Gas | 172 | HAZLETON GENERATION LLC |
| AES BEAVER VALLEY PARTNERS BEAVER VALLEY | Coal | 149 | AES BEAVER VALLEY |
| HUNLOCK POWER STATION | Coal | 146 | UGI DEVELOPMENT CO |
| MEHOOPANY WIND ENERGY LLC | Unknown | 141 | AE POWER SERVICES LLC |
| TWIN RIDGES WIND FARM | Unknown | 139 | BIG SAVAGE LLC |
| RICHMOND GENERATING STATION | Oil | 132 | EXELON POWER |
| G F WEATON POWER STATION | Coal | 120 | HORSEHEAD CORPORATION |
| COLVER POWER PROJECT | Coal | 118 | INTER-POWER/AHLCON PARTNERS, L.P. |
| PPL HOLTWOOD | Hydro | 115 | PPL HOLTWOOD LLC |
| NORTHAMPTON GENERATING COMPANY LP | Coal | 114 | US OPERATING SERVICES COMPANY |
| P H GLATFELTER | Coal | 110 | P H GLATFELTER CO |
| LOCUST RIDGE II LLC | Wind | 102 | IBERDROLA RENEWABLES INC |
| ARMENIA MOUNTAIN WIND FARM | Wind | 101 | SEAWEST ASSET MANAGEMENT SERVICES INC |
| ST NICHOLAS COGEN PROJECT | Coal | 99 | SCHUYLKILL ENERGY RESOURCE INC |
| CAMBRIA COGEN | Coal | 98 | CAMBRIA COGEN CO |
| SCRUBGRASS GENERATING COMPANY LP | Coal | 95 | US OPERATING SERVICES COMPANY |
| PANTHER CREEK ENERGY FACILITY | Coal | 94 | PANTHER CREEK POWER OPERATING, LLC |
| ARCHBALD POWER STATION | Biomass | 93 | PEI POWER CORP |
| COVANTA DELAWARE VALLEY | Biomass | 90 | COVANTA DELAWARE VALLEY LP |
| JOHN B RICH MEMORIAL POWER STATION | Coal | 88 | RI-CORP DEVELOPMENT, INC. |
| ALLEGHENY ENERGY UNITS 12 & 13 | Natural Gas | 88 | ALLEGHENY ENERGY SUPPLY CO LLC |
| FIRSTENERGY ALLEGHENY ENERGY UNITS 1 & 2 | Natural Gas | 88 | ALLEGHENY ENERGY SUPPLY CO LLC |
| FIRSTENERGY ALLEGHENY ENERGY UNITS 8 & 9 | Natural Gas | 88 | ALLEGHENY ENERGY SUPPLY CO LLC |
| WEST POINT | Natural Gas | 86 | MERCK & CO INC-WEST POINT |
| ALLEGHENY RIDGE WIND FARM | Wind | 80 | INFIGEN ASSET MANAGEMENT LLC |
| DELAWARE GENERATING STATION | Oil | 77 | EXELON POWER |
| HIGHLAND NORTH WIND FARM | Unknown | 75 | HIGHLAND NORTH LLC |
| SOUTHWARK | Oil | 74 | EXELON POWER |
| NORTH ALLEGHENY WINDPOWER PROJECT | Wind | 70 | DUKE ENERGY DEGS NORTH ALLEGHENY |
| LAUREL HILL WIND | Unknown | 69 | LAUREL WIND ENERGY LLC |
| CHESTER OPERATIONS | Coal | 67 | KIMBERLY-CLARK CORP |
| WAYMART WIND | Wind | 65 | WAYMART WIND LP |
| PPL MARTIN CREEK LLC ALLENTOWN | Oil | 64 | PPL MARTINS CREEK LLC |
| PPL MARTINS CREEK LLC HARRISBURG | Oil | 64 | PPL MARTINS CREEK LLC |
| FALLS | Oil | 64 | EXELON POWER |
| MOSER GENERATING STATION | Oil | 64 | EXELON POWER |
| HIGHLAND WIND PROJECT | Wind | 63 | KRAYN WIND LLC |
| FAIRLESS HILLS | Biomass | 60 | EXELON POWER |
| HUNTERSTOWN | Oil | 60 | NRG REMA LLC |
| KLINE TOWNSHIP COGEN FACILITY | Coal | 59 | NORTHEASTERN POWER CO |
| EBENSBURG POWER | Coal | 58 | EBENSBURG POWER CO |
| PROCTER & GAMBLE MEHOOPANY MILL | Natural Gas | 56 | PROCTER & GAMBLE PPR PRDTS CO |
| CHESTER GENERATING STATION | Oil | 56 | EXELON POWER |
| JOHNSONBURG MILL | Biomass | 54 | DOMTAR LLC |
| MOUNTAIN | Oil | 54 | NRG REMA LLC |
| TOLNA | Oil | 54 | NRG REMA LLC |
| WHEELABRATOR FALLS | Biomass | 53 | WHEELABRATOR ENVIRONMENTAL SYSTEMS |
| WARREN | Oil | 53 | NRG REMA LLC |
| MON VALLEY WORKS | Other | 53 | UNITED STATES STEEL-MON VALLEY |
| STONY CREEK WIND FARM LLC | Wind | 53 | E ON CLIMATE RENEWABLES N AMERICA LLC |
| YORK GENERATION COMPANY LLC | Natural Gas | 52 | MORRIS ENERGY OPERATIONS COMPANY, LLC |
| FIRSTENERGY LAKE LYNN POWER STATION | Hydro | 51 | ALLEGHENY ENERGY SUPPLY CO LLC |
| MARCUS HOOK REFINERY COGEN | Natural Gas | 51 | FPL ENERGY MH50 LP |
| SOUTH CHESTNUT LLC | Unknown | 50 | IBERDROLA RENEWABLES INC |
| SANDY RIDGE WIND FARM | Unknown | 50 | SANDY RIDGE WIND ENERGY LLC |
| WHEELABRATOR FRACKVILLE ENERGY | Coal | 48 | WHEELABRATOR ENVIRONMENTAL SYSTEMS |
| FOSTER WHEELER MT CARMEL COGEN | Coal | 47 | MOUNT CARMEL COGEN INC |
| HUNLOCK UNIT 4 | Natural Gas | 44 | ALLEGHENY ENERGY SUPPLY CO LLC |
| PPL HW WALLENPAUPACK | Hydro | 40 | PPL MARTINS CREEK LLC |
| SCHUYLKILL GENERATING STATION | Oil | 40 | EXELON POWER |
| CHESTNUT FLATS WIND FARM | Unknown | 38 | ENXCO ASSET HOLDINGS, INC. |
| LOOKOUT WINDPOWER LLC | Wind | 38 | EDISON MISSION ENERGY |
| PPL MARTINS CREEK LLC FISHBACH | Oil | 37 | PPL MARTINS CREEK LLC |
| PPL MARTINS CREEK LLC WEST SHORE | Oil | 37 | PPL MARTINS CREEK LLC |
| YORK COUNTY RESOURCE RECOVERY | Biomass | 37 | YORK COUNTY SOLID W & R AUTH |
| PINEY CREEK PROJECT | Coal | 36 | COLMAC CLARION INC |
| WESTWOOD GENERATION LLC | Coal | 36 | WESTWOOD GENERATION LLC |
| LANCASTER COUNTY RESOURCE RECOVERY | Biomass | 36 | COVANTA LANCASTER INC |
| CASSELMAN WIND POWER PROJECT | Wind | 35 | IBERDROLA RENEWABLES INC |
| EVERGREEN COMMUNITY POWER | Unknown | 33 | EVERGREEN COMMUNITY POWER, LLC |
| COVANTA PLYMOUTH RENEWABLE ENERGY | Biomass | 32 | COVANTA PLYMOUTH RENEWABLE ENERGY L P |
| PPL MARTINS CREEK LLC HARWOOD | Oil | 32 | PPL MARTINS CREEK LLC |
| PPL MARTINS CREEK LLC JENKINS | Oil | 32 | PPL MARTINS CREEK LLC |
| PPL MARTINS CREEK LLC WILLIAMSPORT | Oil | 32 | PPL MARTINS CREEK LLC |
| CLAIRTON WORKS | Other | 31 | UNITED STATES STEEL- CLAIRTON |
| MEYERSDALE WINDPOWER | Wind | 30 | FPL ENERGY MEYERSDALE WINDPOWER LLC |
| PATTON WIND FARM | Unknown | 30 | PATTON WIND FARM, LLC |
| PHILADELPHIA REFINERY | Other | 30 | PES |
| PINEY | Hydro | 30 | BP PINEY & DEEP CREEK LLC |
| FORWARD WINDPOWER LLC | Wind | 29 | EDISON MISSION ENERGY |
| ORRTANNA | Oil | 27 | NRG REMA LLC |
| LOCUST RIDGE | Wind | 26 | IBERDROLA RENEWABLES INC |
| INDIANA UNIVERSITY OF PENNSYLVANIA | Natural Gas | 24 | INDIANA UNIVERSITY OF PENN |
| HARRISBURG FACILITY | Biomass | 24 | HARRISBURG AUTHORITY |
| BLOSSBURG | Natural Gas | 24 | NRG REMA LLC |
| ORCHARD PARK | Natural Gas | 24 | BOROUGH OF CHAMBERSBURG |
| WIND PARK BEAR CREEK | Wind | 24 | INFIGEN ASSET MANAGEMENT LLC |
| WILLIAM F MATSON GENERATING STATION | Hydro | 22 | ALLEGHENY ELECTRIC COOP INC |
| SHAWNEE | Oil | 20 | NRG REMA LLC |
| HAMILTON | Oil | 20 | NRG REMA LLC |
| YORK HAVEN | Hydro | 20 | YORK HAVEN POWER COMPANY LLC |
| PPL MARTINS CREEK LLC LOCK HAVEN | Oil | 19 | PPL MARTINS CREEK LLC |
| VIKING ENERGY OF NORTHUMBERLAND | Biomass | 18 | VIKING ENERGY CORP |
| ALLEGHENY HYDRO NO 9 | Hydro | 18 | ALLEGHENY HYDRO LLC |
| AMERICAN EAGLE PAPER MILLS | Coal | 18 | AMERICAN EAGLE PAPER MILLS |
| CONEMAUGH HYDRO PLANT | Hydro | 15 | PENNSYLVANIA RENEWABLE RESOURCES |
| MILL RUN WINDPOWER | Wind | 15 | FPL ENERGY FPL E MILL RUN WINDPOWER LLC |
| MOUNTAIN VIEW | Biomass | 14 | INDUSTRIAL POWER GENERATING COMPANY LLC |
| ALLEGHENY HYDRO NO 8 | Hydro | 14 | ALLEGHENY HYDRO LLC |
| PAXTON CREEK COGENERATION | Natural Gas | 13 | NRG ENERGY CENTER PAXTON LLC |
| KOPPERS SUSQUEHANNA PLANT | Biomass | 13 | KOPPERS INC - SUSQUEHANNA |
| YOUGH HYDRO POWER | Hydro | 12 | D/R HYDRO CO |
| DART CONTAINER CORP | Unknown | 11 | DART CONTAINER CORP |
| BROAD MOUNTAIN | Biomass | 11 | UGI DEVELOPMENT CO |
| APOGEE TECHNOLOGY INC | Unknown | 11 | APOGEE TECHNOLOGY INC |
| GREEN MOUNTAIN WIND FARM | Wind | 10 | FPL ENERGY PENNSYLVANIA WIND LLC |
| PA SOLAR PARK | Unknown | 10 | CONSOLIDATED EDISON DEVELOPMENT INC. |
| GREEN KNIGHT ENERGY CENTER | Biomass | 10 | WASTE MANAGEMENT INC |