Mining Incidents

MidAmerican Energy Holdings Company; IDACORP controller

MSHA controller ID: C00514

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Email me when a new MSHA incident is filed at any mine MidAmerican Energy Holdings Company; IDACORP controls.

Fatalities
5
Total incidents
731
Mines on record
2
Years on record
1983–2026
Compliance record
MSHA citations since 2000
3,003
citations
409
significant & substantial
$2,619,229
proposed penalties
$1,914,908
paid to date
73% of proposed penalties paid to date, a $704,321 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
363
inspections on record
48,171
inspection hours
6.2
citations per 100 inspection hours
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
3,003 citations across 48,171 inspection hours.
Source: MSHA inspections data, updated weekly.
Penalty disposition
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$2.6M
proposed penalties
$1.9M
current assessed
$1.9M
paid to date
$4K
outstanding
2,944 assessments are final orders; 138 contested dockets.
As of the most recent assessment on 2026-05-07.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.

Top causes

Incident timeline

2026
1
2025
4
2023
3
2022
3
2021
6
2020
9
2019
6
2018
5
2017
13 (1f)
2016
20
2015
25
2014
32
2013
31 (1f)
2012
21
2011
20
2010
19
2009
18
2008
14
2007
27
2006
28
2005
13 (1f)
2004
11
2003
12
2002
18
2001
9
2000
11 (1f)
1999
17 (1f)
1998
8
1997
11
1996
12
1995
11
1994
15
1993
15
1992
18
1991
13
1990
9
1989
33
1988
24
1987
37
1986
29
1985
39
1984
32
1983
29

Operators under this controller

Mines on record

Fatalities under this controller

5 recorded
September 28, 2017 WY · Coal longwall operator, chock operator, shear operator, plow operator Fatality · FALL OF FACE/RIB/PILLAR/SIDE/HIGHWALL
Bridger Coal Company · Struck by falling object

On September 28, 2017, employee was helping in the roof bolting activities on the longwall face. During this activity, coal came from the longwall face fatally injuring the employee.

October 6, 2013 WY · Coal pumper Fatality · MACHINERY
Bridger Coal Company · Struck against a moving object

Employee was building drill bench, pushed thru the berm at the edge of the highwall and traveled over the highwall.

December 9, 2005 WY · Coal miner, prospector, nec Fatality · SLIP OR FALL OF PERSON
Bridger Coal Company · Fall to lower level, (Not Elsewhere Classified)

While installing structural steel doors over coal bin EE went around safety rail without using fall protection on the door which was still attached to the crane to try to move the door & close a gap between the doors. The door shifted causing a support I-beam to move shifting the doors which caused him to fall. MSHA was notified 12/27/05 that he had expired from his injuries.

September 19, 2000 WY · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech Fatality · MACHINERY
Bridger Coal Company · Struck by... (Not Elsewhere Classified)

WHILE CHANGING A TRACK ON A DOZER, THE CHAIN HOOK SLIPPED OFF THE BOGIE & STRUCK THE EE IN THE HEAD AREA RESULTING INS SIGNIFICANT TRAUMA TO THEHEAD AREA. THE EE WAS TRASNPORTED TO THE UNIVERS ITY OF UTAH MED CTR. EE PASSED AWAY 9/25 AS A RESULT OF THE INJURIES SUSTAINED IN THIS ACCIDENT.

July 26, 1999 WY · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech Fatality · MACHINERY
Bridger Coal Company · Caught in, under or between a moving and a stationary object

A TEMPORARY SUPPORT STRUCTURE PLACED BETWEEN THE MAST AND BOOM OF A DRAGLINE PARTIALLY FAILED. THE TOP CROSS MEMBER OF THE STRUCTURE STRUCK THE EMPLOYEE WHO WAS IN THE MAN-BASKET OF A AERIAL L IFT. THE EMPLOYEE WAS FATALLY INJURED WHEN HE WAS CAUGHT BETWEEN THE SUPPORT STRUCTURE AND THE RAILING OF THE MAN-BASKET.

For insurers, brokers, and safety consultants

The full compliance file on MidAmerican Energy Holdings Company; IDACORP

A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.