WYLIE
OperatingHydro power plant
- Capacity
- 60 MW
- Primary fuel
- Hydro
- County
- York County
- Operator
- DUKE ENERGY CAROLINAS, LLC
- Status
- Operating
- Commissioned
- 1925
- EIA plant ID
- 3271
- Generators
- 4
- Technology
- Conventional Hydroelectric
- Net generation (2024)
- 157 GWh
- Capacity factor (2024, EIA nameplate)
- 30%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 35.0213, -81.0078
WYLIE, a 60 MW Hydro power plant in York County, South Carolina. Operated by DUKE ENERGY CAROLINAS, LLC, commissioned 1925.
How WYLIE compares
With 60 MW of capacity, WYLIE ranks 34th among the 83 operating power plants Bywatts maps in South Carolina and 8th of the 28 operating Hydro plants in the state. It accounts for about 1.8% of South Carolina's operating Hydro capacity and 0.3% of all operating capacity in the state. Nationally it is the 249th-largest of the 1,243 operating Hydro plants in the database. Commissioned in 1925, it is older than 87% of the 82 operating South Carolina plants with a recorded commissioning year. Its operator, DUKE ENERGY CAROLINAS, LLC, runs 15 operating plants in South Carolina totaling 8,471 MW. It shares York County with 3 other operating plants, including CATAWBA and SEDIVER.
EIA-860 lists 4 generators at the site with 60 MW of nameplate capacity, all conventional hydroelectric technology. Net generation was 157 GWh in 2024 (a 30% capacity factor), up 29% from 2022.
Grid neighborhood
The closest transmission line found within 10 miles is a 100 kV line owned by DUKE ENERGY CAROLINAS, LLC, under 0.1 miles away. Another 11 operating power plants totaling 2,501 MW sit within 25 miles; the largest is CATAWBA (2,410 MW, Nuclear). Within 50 miles are 2 mapped data centers; the nearest is Carolina Internet / CaroNet in Charlotte, about 11.5 miles away.
Computed by Bywatts from HIFLD power plant and transmission line records, EIA-860/923 survey data and PeeringDB data center locations; distances are straight-line. Sources and methodology
Weather peril exposure
WYLIE is a 60 MW hydro power plant in York County, SC, operated by DUKE ENERGY CAROLINAS, LLC, commissioned in 1925. York County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.7 of 5 at the 18th national percentile. Ice storm is the leading peril, rated Very High by FEMA at the 88th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a hydro plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
York County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Ice storm | Very High | 88th | 4.5 of 5 | 2.2 |
| Earthquake | Relatively Low | 66th | 3.7 of 5 | <0.01 |
| Hurricane | Relatively Low | 57th | 3.3 of 5 | 0.08 |
| Lightning | Relatively High | 54th | 3.2 of 5 | 52.7 |
| Tornado | Relatively High | 44th | 2.8 of 5 | 0.42 |
| Riverine flooding | Relatively Moderate | 43rd | 2.7 of 5 | 1.1 |
| Hail | Relatively Low | 29th | 2.1 of 5 | 5.0 |
| Wildfire | Relatively Low | 24th | 2.0 of 5 | <0.01 |
| Heat wave | Relatively Low | 20th | 1.8 of 5 | 2.9 |
| Winter weather | Relatively Moderate | 5th | 1.2 of 5 | 4.2 |
| Strong wind | Relatively High | 5th | 1.2 of 5 | 3.4 |
Perils not assessed in York County
These perils carry no usable National Risk Index figure for this county, so they are excluded from the scoring rather than scored zero. A zero would claim the peril was assessed and found benign.
| Peril | Why it is not scored |
|---|---|
| Coastal flooding | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for York County in the weather risk calculator
Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.
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.