---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-24-005288"
form_type: "8-K"
ticker: "HNRG"
cik: "0000788965"
company_name: "HALLADOR ENERGY CO"
filed_at: "2024-02-23T23:59:59+00:00"
generated_at: "2026-06-05T17:49:19.860292+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Hallador Energy restructures Sunrise Coal Division, idles high-cost mines, cuts 110 jobs

## Summary
- Idles Freelandville and Prosperity Mines; reduces coal production capex by ~$10M in 2024.
- Focuses on four lowest-cost units running 7 days/week; expects 4.5M tons annual output.
- Workforce reduced by ~110 employees, primarily at Sunrise Coal, over next several days.
- Transition from coal producer to vertically integrated independent power producer cited as rationale.

## SEC filing metadata
- accession: 0001437749-24-005288
- form_type: 8-K
- ticker: HNRG
- cik: 0000788965
- company_name: HALLADOR ENERGY CO
- filed_at: 2024-02-23T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/788965/000143774924005288/0001437749-24-005288-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/788965/000143774924005288/hnrg20240221_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-24-005288
- JSON: https://secwatch.observer/filing/0001437749-24-005288.json
- Plain text: https://secwatch.observer/filing/0001437749-24-005288.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.