# ELECTRICAL
> MSHA accident `220042020002` · 07/13/2004 · Black Hills Energy
## Details
- **Degree of injury:** ACCIDENT ONLY
- **Classification:** ELECTRICAL
- **Accident type:** Accident type, without injuries
- **Occupation:** —
- **Activity:** —
- **Injury source:** —
- **Nature of injury:** —
- **Body part:** —
- **Days lost:** 0
- **Mine experience:** — years
## Operator
- **Controller:** Black Hills Corp
- **Operator:** Black Hills Energy
- **Mine:** [4800083](https://api.ai-analytics.org/mine/4800083)
## Narrative

Suspect that lightning struck during a severe thunder storm causing ignition of coal dust inside the dust collection baghouse atop silo 3.  A computer time stamp of 6:53 p.m. indicated miscellaneous and unconnected electrical disruptions. Baghouse doors found open and bags gone at 12 noon on 07/14/04.  Investigation began into how, what and when.

---
*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*