# Homer City Generating Station

- **MSHA mine ID:** 3608222
- **Status:** Abandoned
- **Type / commodity:** Facility / Coal (Bituminous)
- **Location:** Indiana, PA
- **Operator:** NRG Homer City Services LLC
- **Controller:** NRG Energy Inc
- **Public source rows linked:** 2,810
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**NRG Energy Inc (0107803) → NRG Homer City Services LLC (0126654) → Homer City Generating Station (3608222)**

Current identity source: `msha-mines`. This is a current snapshot, not a historical claim.

## Controller and operator valid-time history

- **GPU Inc → Gpu Generation Inc:** 1991-01-01 through 1999-03-17; derived from co-tenure at mine 3608222; source `msha-controller-operator-history`.
- **Edison International → EME Homer City Generation L P:** 1999-03-18 through 2012-12-13; derived from co-tenure at mine 3608222; source `msha-controller-operator-history`.
- **NRG Energy Inc → NRG Homer City Services LLC:** 2012-12-14 through current/open; derived from co-tenure at mine 3608222; source `msha-controller-operator-history`.

- History rows: 3
- Typed edges: 9
- Interval anomalies: 0
- Valid-time bounds: inclusive; date granularity; null end means open-ended in the upstream history row; not independent proof of present control.
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 5 historical accident/injury rows; 0 coded fatalities and 170 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 163 violation rows across the full record; 82 carry an S&S flag and $37,024 appears in current assessed amounts.
3. **HEALTH — 347 samples:** Occupational health samples 234 coal dust; 6 coal quartz; 107 noise. 0 personal-sample rows have a published C/E ratio above 1; 0 noise rows have an action-level or PEL dose above 100%. These are separate measures, not a silica exceedance count. Silica results and sample status are shown separately.
4. **PRODUCTION — 0 tons:** Quarterly production and employment 4K employee hours and 3 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 4 linked rows:** Contests, conferences and decisions 2 contested-violation rows, 2 civil-penalty docket/decision rows, and 0 conference records linked by issuance number.
6. **CONTRACTORS — 13 linked entities:** Contractors Contractors are linked through this mine’s violation or accident records. Their production and hours cover all their operations, so they are not included in this mine’s totals.
7. **INSPECTIONS — 0 since 2021:** Inspections 91 inspection events and 3K published inspection hours across the historical record.

## EIA annual operating context

No matched record in the 2024 EIA coal-public workbook. This may be inapplicable for a non-coal operation.

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 77.400 — Mechanical equipment guards.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.400
- **30 CFR 77.213 — Draw-off tunnel escapeways.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.213
- **30 CFR 77.502 — Electric equipment; examination, testing, and maintenance.** (5 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.502
- **30 CFR 77.100 — Certified person.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-B/section-77.100
- **30 CFR 77.205 — Travelways at surface installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.205
- **30 CFR 77.506-1 — Electric equipment and circuits; overload and short circuit protection; minimum requirements.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-F/section-77.506-1

## Source coverage

- **Accident, Injuries, and Illnesses:** 5 rows; 2007-04-19 through 2018-07-26; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2020-09-29 through 2020-09-29; source ID `msha-addresses`
- **Assessed Violations:** 160 rows; 2000-04-27 through 2020-07-30; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 2 rows; 2012-08-29 through 2015-09-03; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 234 rows; 2000-01-25 through 2020-10-28; source ID `msha-coal-dust-samples`
- **Contested Violations:** 2 rows; 2011-06-20 through 2014-07-07; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 1,629 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 371 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 3 rows; 1991-01-01 through 2012-12-14; source ID `msha-controller-operator-history`
- **Inspections:** 91 rows; 2000-04-26 through 2020-06-30; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 12 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 23 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 107 rows; 2001-01-09 through 2020-08-04; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 6 rows; 2001-06-27 through 2018-08-13; source ID `msha-quartz-samples`
- **Violations:** 163 rows; 2000-04-27 through 2020-07-30; source ID `msha-violations`

## Caveats

- This is public-record decision support, not legal advice or an official MSHA record.
- Missing data can indicate no event, publication delay, an unresolved identity, or inapplicability.
- Contractor production data is entity-level and is not attributed to this mine.

## Alternate representations

- HTML: `/mines/homer-city-generating-station-3608222`
- JSON: `/api/v1/mines/homer-city-generating-station-3608222`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3608222/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3608222/relationships`
- MCP resource: `mine://3608222/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
