MAYO
OperatingCoal power plant
- Capacity
- 736 MW
- Primary fuel
- Coal
- County
- Person County
- Operator
- PROGRESS ENERGY CAROLINAS INC
- Status
- Operating
- Commissioned
- 1983
- EIA plant ID
- 6250
- Generators
- 1
- Technology
- Conventional Steam Coal
- Net generation (2024)
- 906 GWh
- Capacity factor (2024, EIA nameplate)
- 14%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 36.5275, -78.8907
MAYO, a 736 MW Coal power plant in Person County, North Carolina. Operated by PROGRESS ENERGY CAROLINAS INC, commissioned 1983.
How MAYO compares
With 736 MW of capacity, MAYO ranks 17th among the 205 operating power plants Bywatts maps in North Carolina and 7th of the 12 operating Coal plants in the state. It accounts for about 6.3% of North Carolina's operating Coal capacity and 2.5% of all operating capacity in the state. Nationally it is the 131st-largest of the 324 operating Coal plants in the database. Commissioned in 1983, it is older than 74% of the 183 operating North Carolina plants with a recorded commissioning year. Its operator, PROGRESS ENERGY CAROLINAS INC, runs 13 operating plants in North Carolina totaling 11,962 MW. It shares Person County with 4 other operating plants, including ROXBORO and PCSP3 AIRPORT.
EIA-860 lists 1 generator at the site with 763 MW of nameplate capacity, all conventional steam coal technology. Net generation was 906 GWh in 2024 (a 14% capacity factor), down 17% from 2022.
Grid neighborhood
The nearest named substation is WELCO, about 10.1 miles away; the closest transmission line found within 10 miles is a 500 kV line, under 0.1 miles away. Another 6 operating power plants totaling 2,568 MW sit within 25 miles; the largest is ROXBORO (2,558 MW, Coal).
Computed by Bywatts from HIFLD power plant, substation and transmission line records and EIA-860/923 survey data; distances are straight-line. Sources and methodology
Weather peril exposure
MAYO is a 736 MW coal power plant in Person County, NC, operated by PROGRESS ENERGY CAROLINAS INC, commissioned in 1983. Person County carries moderate modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.5 of 5 at the 38th national percentile. Hurricane is the leading peril, rated Relatively Low by FEMA at the 71st percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a coal plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Person County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Hurricane | Relatively Low | 71st | 3.8 of 5 | 0.09 |
| Lightning | Relatively Low | 59th | 3.4 of 5 | 45.3 |
| Earthquake | Very Low | 55th | 3.2 of 5 | <0.01 |
| Hail | Relatively Low | 49th | 3.0 of 5 | 4.4 |
| Riverine flooding | Relatively Low | 47th | 2.9 of 5 | 0.64 |
| Strong wind | Relatively Low | 43rd | 2.7 of 5 | 2.0 |
| Ice storm | Relatively Low | 43rd | 2.7 of 5 | 1.7 |
| Tornado | Relatively Low | 38th | 2.5 of 5 | 0.14 |
| Winter weather | Relatively Moderate | 35th | 2.4 of 5 | 7.7 |
| Wildfire | Very Low | 21st | 1.9 of 5 | <0.01 |
| Heat wave | Relatively Low | 18th | 1.7 of 5 | 2.6 |
Perils not assessed in Person 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 Person 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.