Skip to main content

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

How this is calculated
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)

ExpandTypeStatusRetirement
1Cell burner boiler1,3001972 (54yrs)Operating12/2028
2Cell burner boiler1,3001973 (53yrs)Operating12/2026

Documents & sources

Polluter Pass

Take action on coal pollution

Tell decision-makers to stop propping up coal pollution at the expense of your health and your wallet.

Take action on coal pollution (opens in a new tab)