North Carolina · Duke Energy Carolinas, LLC
Marshall
Federal support
Key facts
4Coal unitsof 382 tracked nationally
2 GWCapacity1% of the tracked fleet
61 yearsAge of oldest unitcame online in 1965
5.8 MtCO2 in 20250.7% of fleet-wide emissions
1,750 tSO2 in 2025
51.3 lbsMercury in 2025
6,944 GWh2025 net generation1% of tracked generation
In 2021, clean power produced energy 52.8% more cheaply
Annual savings with clean power in 2021$156.2M≈52.8% cheaper than running this plant — estimated from its capacity at a 42% capacity factor.
- Gap
- $21.3/MWh
- Difference
- +52.8%
- Cheapest clean power alternative
- local solar
Units (4)
| Expand | Type | Status | Retirement | |||
|---|---|---|---|---|---|---|
| 1 | Tangentially-fired | 350 | 1965 (61yrs) | Operating | 12/2034 | |
| 2 | Tangentially-fired | 350 | 1966 (60yrs) | Operating | 12/2028 (was 12/2034) | |
| 3 | Tangentially-fired | 648 | 1969 (57yrs) | Operating | — | |
| 4 | Tangentially-fired | 648 | 1970 (56yrs) | Operating | 12/2033 |
Retirement changes
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