Tennessee · Tennessee Valley Authority
Cumberland
Federal support
Key facts
2Coal unitsof 382 tracked nationally
2.6 GWCapacity1.4% of the tracked fleet
54 yearsAge of oldest unitcame online in 1972
10.3 MtCO2 in 20251.2% of fleet-wide emissions
5,209 tSO2 in 2025
33.2 lbsMercury in 2025
9,096 GWh2025 net generation1.3% of tracked generation
In 2021, clean power produced energy 31.4% more cheaply
Annual savings with clean power in 2021$91.9M≈31.4% cheaper than running this plant — estimated from its capacity at a 42% capacity factor.
- Gap
- $9.6/MWh
- Difference
- +31.4%
- Cheapest clean power alternative
- local solar
Units (2)
| Expand | Type | Status | Retirement | |||
|---|---|---|---|---|---|---|
| 1 | Cell burner boiler | 1,300 | 1972 (54yrs) | Operating | 12/2028 | |
| 2 | Cell burner boiler | 1,300 | 1973 (53yrs) | Operating | 12/2026 |
Documents & sources
Polluter Pass
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