Wisconsin · Wisconsin Power & Light Company
Columbia
Federal support
Key facts
2Coal unitsof 382 tracked nationally
1 GWCapacity0.5% of the tracked fleet
51 yearsAge of oldest unitcame online in 1975
7.1 MtCO2 in 20250.9% of fleet-wide emissions
1,909 tSO2 in 2025
33.8 lbsMercury in 2025
3,481 GWh2025 net generation0.5% of tracked generation
In 2021, clean power produced energy 28.4% more cheaply
Annual savings with clean power in 2021$33.2M≈28.4% cheaper than running this plant — estimated from its capacity at a 42% capacity factor.
- Gap
- $8.8/MWh
- Difference
- +28.4%
- Cheapest clean power alternative
- regional wind
Units (2)
| Expand | Type | Status | Retirement | |||
|---|---|---|---|---|---|---|
| 1 | Tangentially-fired | 512 | 1975 (51yrs) | Operating | 12/2029 | |
| 2 | Tangentially-fired | 511 | 1978 (48yrs) | Operating | 12/2029 |
DOE money
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