Coal production
3,683,459reported short tons
ACTIVE / CONTROLLER PORTFOLIO
MidAmerican Energy Holdings Company; IDACORP
Membership and operating status are from the latest MSHA Mines snapshot. Open a mine for its ownership history.
MSHA CONTROLLER IDC00514
MINE PORTFOLIO
1 of 1 mines and facilities
2025-01-01 – 2026-10-18. Active records; production reporting is not required.
Material, method and type filters apply to this table. The portfolio’s status applies to the entire page. GEM fields describe their own release, not the selected MSHA year.
| Mine | Location / type | Coal · short tons | Hours worked | Violations | Accident records | On-site inspection hours |
|---|---|---|---|---|---|---|
| Jim Bridger Mine4800677 · Active6/8 quarters reported | Sweetwater, WYSurface · MSHA: Coal (Bituminous) | 3,683,459 | 648,252 | 10 | 6 | 558.3 |
Production and hours sum available quarterly reports. — means unavailable; zero safety records means none in the selected imported period. Ownership reflects the current MSHA record.
LOCATION
Mine location
1 of 1 mine with usable MSHA coordinates. Select a marker to open a mine.
Mine coordinates
- Jim Bridger Mine41.79972, -108.61639Open map ↗
Quarterly trends
2025 Q1 – 2026 Q4
Database snapshot · 2026-10-18. All 1 mines listed under this controller were checked; 1 have reports in the available quarters. Totals use current ownership.
Hours worked
648,252reported employee hours
Tons per hour
5.68production ÷ hours worked
Missing values appear as —. Totals use available reports. Tons per hour requires production and hours for the same quarters and a nonzero hours total. * Striped bars mark partial mine coverage or an incomplete quarter. See the table for coverage.
Quarterly data and reporting coverage
| Quarter | Coal (short tons) | Hours worked | Tons / hour | Avg. employees | Coverage |
|---|---|---|---|---|---|
| 2025 Q1 | 520,741 | 113,335 | 4.59 | 220 | 1/1 mines reporting |
| 2025 Q2 | 501,174 | 114,679 | 4.37 | 233 | 1/1 mines reporting |
| 2025 Q3 | 871,125 | 109,549 | 7.95 | 212 | 1/1 mines reporting |
| 2025 Q4 | 762,474 | 105,427 | 7.23 | 212 | 1/1 mines reporting |
| 2026 Q1 | 580,204 | 104,628 | 5.55 | 209 | 1/1 mines reporting |
| 2026 Q2 | 447,741 | 100,634 | 4.45 | 206 | 1/1 mines reporting |
| 2026 Q3 | — | — | — | — | No report |
| 2026 Q4 | — | — | — | — | No report |
Safety and enforcement
2025-01-01 – 2026-10-18
Violations
102 significant & substantial (S&S)
Accident records
60 records classified as fatality
Proposed penalties · USD
3,918.0010 of 10 violations with amounts
On-site inspection hours
558.2515 inspections · 15 with hours
Counts are published records, including contractor records. * The quarter was incomplete at the snapshot date; recent counts may rise as reports arrive. — means no reported amount or hours. Portfolio totals use current membership.
Quarterly safety data
| Quarter | Violations | S&S | Proposed USD | Accident records | Fatality records | Inspections | On-site hours |
|---|---|---|---|---|---|---|---|
| 2025-Q1 | 0 | 0 | — | 1 | 0 | 2 | 29.5 |
| 2025-Q2 | 0 | 0 | — | 2 | 0 | 1 | 12.8 |
| 2025-Q3 | 5 | 0 | 755.00 | 0 | 0 | 3 | 151.3 |
| 2025-Q4 | 0 | 0 | — | 1 | 0 | 2 | 137.5 |
| 2026-Q1 | 0 | 0 | — | 1 | 0 | 1 | 39.0 |
| 2026-Q2 | 5 | 2 | 3,163.00 | 0 | 0 | 1 | 143.3 |
| 2026-Q3 | 0 | 0 | — | 1 | 0 | 3 | 32.5 |
| 2026-Q4 * | 0 | 0 | — | 0 | 0 | 2 | 12.5 |
Most cited CFR sections
All violations issued in the selected period. Counts combine subsections.
Safety activity
- Jim Bridger Mine · 4800677
Spot Inspection · 12.8 on-site hours
- Jim Bridger Mine · 4800677
SLIP OR FALL OF PERSON · DAYS AWAY FROM WORK ONLY
Accident narrative
Employee was climbing off the dozer that was located on the deck of the lowboy trailer while stepping backwards when they fell off the trailer approximately 3 to 4 feet to the ground onto their back. This resulted in pain to the right elbow, and the wind was knocked out of them. The employee was transported to a higher level of care for further evaluation.
- Jim Bridger Mine · 4800677
HANDLING OF MATERIALS · NO DYS AWY FRM WRK,NO RSTR ACT
Accident narrative
While positioning a barrel of solvent in the lube room of the 102. The employee's finger got caught between the barrel and the air compressor bank pinching the Left hand pinky finger crushing it between the barrel and the compressor bank.
- Jim Bridger Mine · 4800677
Verbal Hazard Complaint Inspections · 4.0 on-site hours
- Jim Bridger Mine · 4800677
SLIP OR FALL OF PERSON · DAYS AWAY FROM WORK ONLY
Accident narrative
An employee stopped for lunch break at the 2 high wall rock run. Employee climbed down the ladder grabbed both chock blocks, was walking to set one chock block on the left front wheel. The employee slipped on the ice and landed on their arm.
- Jim Bridger Mine · 4800677
Spot Inspection · 25.5 on-site hours
Safety sources and definitions
MSHA Violations (issue date), Accidents (accident date), and Inspections (begin date). Snapshot 2026-10-18.
Counts describe published rows, including contractor records; accident records are not distinct incidents or numbers of people injured.
Zero means no matching records in the imported sources, not proof of no events. Historical coverage differs by source; absence before a source begins reporting is not a zero incident rate. Invalid or absent dates and records after the snapshot are excluded.
S&S means SIG_SUB=Y. Fatality records use DEGREE_INJURY_CD=01. Proposed penalties are not final assessed or paid amounts; missing dollar values are omitted.
Inspection hours are SUM_TOTAL_ON_SITE_HOURS attributed to the inspection start date, without supervisor/trainee hours. Missing hours are omitted; a started inspection may still be open.
Portfolio totals use current mine membership, including events before the current owner or operator's tenure.
CFR headings link to the current Title 30 index; they are not historical legal determinations.
EIA-923 · COAL RECEIPTS
Coal shipments and quality
Receipts reported by power plants and terminals, matched by MSHA mine ID.
Quarterly receipts and quality
| Quarter | Short tons | Heat · Btu/lb | Sulfur % | Ash % | Delivered USD/ton | |
|---|---|---|---|---|---|---|
| 2025-Q3 * | 576,869 | 9,111 | 0.65 | 11.51 | 59.91 | |
| 2025-Q4 | 863,207 | 9,149 | 0.63 | 11.83 | 52.65 | |
| 2026-Q1 | 529,584 | 9,193 | 0.59 | 10.97 | 50.00 | |
| 2026-Q2 | 239,298 | 9,121 | 0.56 | 11.05 | 64.28 | |
| 2026-Q3 * | 253,364 | 9,329 | 0.60 | 10.40 | 67.00 |
| Month / source | Mine | Receiving plant / supplier | Short tons | Delivered USD/ton | Heat · Btu/lb | Sulfur % | Ash % | Purchase | Transport |
|---|---|---|---|---|---|---|---|---|---|
| 2026-07EIA row 12478 · preliminary | JIM BRIDGER MINE4800677 | Jim Bridger8066 · WY · JIM BRIDGER | 253,364 | 67.00 | 9,329 | 0.60 | 10.40 | ContractSUB | Tram/conveyor |
| 2026-06EIA row 10530 · preliminary | JIM BRIDGER MINE4800677 | Jim Bridger8066 · WY · JIM BRIDGER | 88,844 | 67.00 | 9,037 | 0.56 | 11.40 | ContractSUB | Tram/conveyor |
| 2026-05EIA row 8643 · preliminary | JIM BRIDGER MINE4800677 | Jim Bridger8066 · WY · JIM BRIDGER | 69,070 | 67.00 | 9,133 | 0.52 | 11.00 | ContractSUB | Tram/conveyor |
| 2026-04EIA row 6866 · preliminary | JIM BRIDGER MINE4800677 | Jim Bridger8066 · WY · JIM BRIDGER | 81,384 | 59.00 | 9,202 | 0.58 | 10.70 | ContractSUB | Tram/conveyor |
| 2026-03EIA row 5035 · preliminary | JIM BRIDGER MINE4800677 | Jim Bridger8066 · WY · JIM BRIDGER | 75,148 | 59.00 | 9,035 | 0.56 | 11.90 | ContractSUB | Tram/conveyor |
| 2026-02EIA row 3133 · preliminary | JIM BRIDGER MINE4800677 | Jim Bridger8066 · WY · JIM BRIDGER | 212,497 | 59.00 | 9,274 | 0.58 | 10.50 | ContractSUB | Tram/conveyor |
| 2026-01EIA row 1157 · preliminary | JIM BRIDGER MINE4800677 | Jim Bridger8066 · WY · JIM BRIDGER | 241,939 | 39.31 | 9,171 | 0.60 | 11.10 | ContractSUB | Tram/conveyor |
| 2025-12EIA row 35460 · final | JIM BRIDGER MINE4800677 | Jim Bridger8066 · WY · JIM BRIDGER | 224,021 | 38.83 | 9,060 | 0.70 | 12.30 | ContractSUB | Tram/conveyor |
| 2025-11EIA row 32447 · final | JIM BRIDGER MINE4800677 | Jim Bridger8066 · WY · JIM BRIDGER | 421,898 | 57.49 | 9,182 | 0.60 | 11.40 | ContractSUB | Tram/conveyor |
| 2025-10EIA row 29507 · final | JIM BRIDGER MINE4800677 | Jim Bridger8066 · WY · JIM BRIDGER | 217,288 | 57.50 | 9,176 | 0.61 | 12.20 | ContractSUB | Tram/conveyor |
| 2025-09EIA row 26455 · final | JIM BRIDGER MINE4800677 | Jim Bridger8066 · WY · JIM BRIDGER | 269,997 | 57.52 | 9,075 | 0.67 | 12.20 | ContractSUB | Tram/conveyor |
| 2025-08EIA row 23363 · final | JIM BRIDGER MINE4800677 | Jim Bridger8066 · WY · JIM BRIDGER | 306,872 | 62.01 | 9,143 | 0.64 | 10.90 | ContractSUB | Tram/conveyor |
Delivered cost includes transport and is not mine revenue. Missing prices remain blank. * Fewer than three months are published in the selected quarter. Receipts reflect the months EIA has published; an unfinished quarter is not comparable with a full quarter. Portfolio matches use current ownership.
Coverage, sources and calculations
- Reported coal receipts at EIA-923 power plants/terminals; this is not a census of mine shipments, exports or metallurgical sales.
- Matches use only the published MSHA ID, normalized to seven digits. Unidentified mine origins remain in the source table but are not assigned to a mine.
- Portfolio attribution uses current MSHA ownership, not ownership at the shipment date. Receipts and production can differ because of timing, stocks and coverage.
- Quality means are weighted by positive reported tons with that measurement. Delivered cost uses only rows with published cost, positive heat and positive tons; missing/withheld costs are never zero-filled.
- USD/ton = (cents/MMBtu ÷ 100) × MMBtu/ton. This is plant delivered cost, not mine sales price or revenue.
- Receipt month is as published, including records supplied by annual respondents. Recent months are preliminary and subject to revision. Missing rows do not prove zero shipments.
Imported releases start 2008-01. This window includes 12 published months. EIA releases · Survey instructions
- 2026 · preliminary · EIA923_Schedules_2_3_4_5_M_07_2026_21SEP2026.xlsx · Page 5 Fuel Receipts and Costs
- 2025 · final · EIA923_Schedules_2_3_4_5_M_12_2025_Final.xlsx · Page 5 Fuel Receipts and Costs
EIA ANNUAL COAL REPORT · 2024
Coal prices and estimated revenue
Annual county prices and a production-based allocation of county coal sales.
The estimate assumes each eligible mine receives its county-average price and shares county sales in proportion to production. Actual sales and prices can differ substantially. Unavailable estimates are excluded; this is not a total for the whole portfolio. Annual price data uses a separate window from the MSHA charts.
| Mine / county | Annual production · tons | County FOB · USD/ton | Est. sales · tons | Est. coal revenue · USD | Basis / availability |
|---|---|---|---|---|---|
| Jim Bridger Mine4800677 · Sweetwater, Wyoming | 2,850,457 | — | — | — | County sales or price not published2 eligible mines / 2 sales respondents |
Method, assumptions and source records
- This is an annual county-sales allocation, not reported mine or company revenue. Currency is nominal USD in the source year; quantities are short tons.
- Mine share = same-year annual mine production / eligible same-county production. Estimated sales = published county sales × share. Estimated coal revenue = estimated sales × published county average FOB price.
- The model assumes eligible mines share county sales in proportion to production and receive the county-average price. Matching mine counts is a check, not proof of identical respondents. Mine quality, contracts and sales timing can differ substantially. No statistical confidence interval is implied.
- FOB excludes transport and insurance. EIA-923 delivered costs do not enter this model. No grade premium, state/national fallback, quarterly apportionment or carry-forward to a later year is applied.
- Eligibility follows the source's production threshold and excludes preparation-only and refuse operations. Withheld values, inconsistent county counts and missing/ambiguous locations produce no estimate.
- County sales are published in thousands of tons and prices to cents. Calculations retain precision, but the inputs are rounded and the allocation is approximate.
- Portfolio attribution uses current MSHA ownership, not ownership during the sales year. Covered-mine sums exclude unavailable estimates and must not be read as whole-company revenue. Coverage denominators use the annual EIA mine-production release.
Sales-reporting threshold: 50,000 short tons per mine in 2024. Withheld sales or prices stay unavailable.
EIA Table 30 · county sales and FOB prices · EIA annual mine production · Release index
Annual report released November 19, 2025. Method: county-sales-allocation-v1. JSON and CSV preserve source row numbers and file checksums.
SELECTED PORTFOLIO
1 linked operator.
Relationships reflect the selected mine status and current MSHA controller/operator fields.