Mayo
Coal power plant in Person County, North Carolina. 763.2 MW of nameplate capacity across 1 generator, operated by Duke Energy Progress - (NC).
Also known as Mayo Generating Plant · EIA plant 6250
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Key facts
- Capacity
- 763.2 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- March 1983First generator online
- Operator
- Duke Energy Progress - (NC)EIA operator ID 3046
- Grid
- CPLEBalancing authority CPLE
- Price nodes
- None linkedNo verified ISO node
- Location
- Person County, NC36.5278, −78.8917
- EIA plant ID
- 6250EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Mayo produces
Free · EIA-923Net generation, 2025
1.35 TWh
1,345,507 MWh, final
Capacity factor, 2025
20.1%
2024: 13.5%
January to July 2026
1.07 TWh
Provisional
Range, 2015 to 2025
0.6–2.9
TWh a year. Low 2020, high 2015
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 4,792,192 | Not reported | 12 of 12 |
| 2001 | 4,450,645 | Not reported | 12 of 12 |
| 2002 | 4,737,089 | Not reported | 12 of 12 |
| 2003 | 4,082,635 | Not reported | 12 of 12 |
| 2004 | 4,837,998 | Not reported | 12 of 12 |
| 2005 | 4,954,320 | Not reported | 12 of 12 |
| 2006 | 4,375,057 | Not reported | 12 of 12 |
| 2007 | 4,679,863 | Not reported | 12 of 12 |
| 2008 | 4,079,730 | Not reported | 12 of 12 |
| 2009 | 4,059,236 | Not reported | 12 of 12 |
| 2010 | 4,875,172 | 75.6% | 12 of 12 |
| 2011 | 3,541,573 | 54.9% | 12 of 12 |
| 2012 | 3,539,046 | 54.8% | 12 of 12 |
| 2013 | 2,638,808 | 40.9% | 12 of 12 |
| 2014 | 2,584,493 | 40.1% | 12 of 12 |
| 2015 | 2,902,484 | Not reported | 12 of 12 |
| 2016 | 2,009,522 | 30.0% | 12 of 12 |
| 2017 | 1,425,527 | 21.3% | 12 of 12 |
| 2018 | 1,491,333 | 22.3% | 12 of 12 |
| 2019 | 1,525,530 | 22.8% | 12 of 12 |
| 2020 | 625,191 | 9.3% | 12 of 12 |
| 2021 | 1,303,167 | 19.5% | 12 of 12 |
| 2022 | 1,091,887 | 16.3% | 12 of 12 |
| 2023 | 1,216,965 | 18.2% | 12 of 12 |
| 2024 | 906,321 | 13.5% | 12 of 12 |
| 2025 | 1,345,507 | 20.1% | 12 of 12 |
| 2026 (provisional, partial year) | 1,067,271 | 27.5% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDCO₂, 2025
1.69M
US short tons. 2024: 1.16M
SO₂, 2025
1,547
US short tons
NOx, 2025
1,347
US short tons
CO₂ per MWh, calculated
1.26 t
About 2,511 lb per MWh
2 of 2 EPA units reported CO₂ in 2025 (1A, 1B), matched to EIA plant 6250 through the EPA–EIA crosswalk. The per-MWh rate is EPA CO₂ divided by EIA-923 net generation. The two reporting boundaries can differ.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
700
million gallons
Consumption, 2024
348
million gallons
Source
Mayo Lake (Mayo Creek)
Surface, Fresh. Induced-draft tower
Watershed stress
Low · 0.276
USGS SUI, HUC12 Mayo Creek-Mayo Reservoir
12 of 12 cooling months report withdrawal. SUI of the HUC12 containing the plant. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Conventional Steam Coal | 763.2 | March 1983 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Duke Energy Progress - (NC) as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Power plants near Mayo
More plants operated by Duke Energy Progress - (NC)
Questions about Mayo
How much power does Mayo produce?
Mayo reported 1,345,507 MWh (1.35 TWh) of net generation in 2025, a 20.1% capacity factor on 763.2 MW of nameplate capacity. From January to July 2026 it reported 1.07 TWh, which is provisional.
Where is Mayo?
Mayo is in Person County, North Carolina, at 36.5278, −78.8917. It is in the Duke Energy Progress East balancing area (CPLE).
Who operates Mayo?
EIA-860M for August 2026 lists Duke Energy Progress - (NC) as the operator (EIA operator ID 3046). The operator is not always the owner.
When did Mayo start operating?
Its first generator began operating in March 1983, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page