OLAN PROCESSING PLANT Coal

ONYX ENERGY, LLC · Facility

Controlled by Mohegan Energy Trustees LLC

McComas, Mercer County, WV · Active

MSHA Mine ID: 4609556

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Compliance record

MSHA citations since 2020

citations

significant & substantial

$23,966

proposed penalties

$11,271

paid to date

Source: MSHA violations data, updated weekly.

Quarterly safety rates

Citations per million employee-hours, as reported to MSHA

Quarter	Hours worked	Citations	S&S	Per 1M hrs
2025 Q4	11,229	1	0	89.1
2025 Q2	11,249	1	0	88.9
2024 Q4	14,030	8	1	570.2
2024 Q3	15,607	0	0	0.0
2024 Q1	18,546	0	0	0.0
2023 Q2	17,149	5	0	291.6
2023 Q1	18,915	2	2	105.7
2021 Q2	10,284	6	2	583.4

Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.

No fatalities recorded at this mine.

1 on file

December 23, 2022 WV · Coal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor POWERED HAULAGE

Onyx Energy, LLC · Caught in, under or between running or meshing objects

Employee stated: had a rag in hand and the rag got pulled into the roller which pulled EE's arm into the roller.