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Indiana · Southern Indiana Gas and Electric Company

F B Culley Generating Station

Key facts

2Coal unitsof 382 tracked nationally
389 MWCapacity0.2% of the tracked fleet
60 yearsAge of oldest unitcame online in 1966
1.4 MtCO2 in 20250.2% of fleet-wide emissions
1,044 tSO2 in 2025
5.7 lbsMercury in 2025
969 GWh2025 net generation0.1% of tracked generation
$7.3M202c cost to ratepayers

In 2021, clean power produced energy 51.3% more cheaply

How this is calculated
Annual savings with clean power in 2021$33.9M≈51.3% cheaper than running this plant — estimated from its capacity at a 42% capacity factor.
Gap
$23.7/MWh
Difference
+51.3%
Cheapest clean power alternative
local solar

Units (2)

ExpandTypeStatusRetirement
2Dry bottom wall-fired boiler1001966 (60yrs)Operating12/18/2026 (was 12/2025)
3Dry bottom wall-fired boiler2891973 (53yrs)Operating—

Documents & sources

Health cost of the 202(c) orders

Every figure below is for one year of this plant running — not a total for its lifetime, and not tied to how long the 202(c) orders last. They are what one more year of operation costs the people living downwind of F B Culley Generating Station.

$9.5M–$16.9M

Health damages

In 2023 dollars.


1 deathPremature deaths
2 casesNew asthma cases
105 daysSchool days lost
51 daysWork days lost

Figures are rounded for readability; exact modelled values are shown below. See the full methodology here.

Source: EDF ran EPA’s CO-Benefits Risk Assessment (COBRA) screening model on this plant. COBRA is a screening tool, not a full air-quality model: it works at the county level and covers health impacts from fine particles and ozone only — it does not estimate health harms from mercury or other air toxics.

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