What are mining & energy layoffs?

These are mass layoff and plant closure notices filed under the federal WARN Act by employers in the mining & energy sector. The WARN Act requires employers with 100+ employees to give 60 days' advance notice.

How many mining & energy layoffs have there been?

WARN Firehose has tracked 689 mining & energy sector WARN notices across all US states.

Which states have the most mining & energy layoffs?

The states with the most mining & energy layoffs are: California, Florida, West Virginia.

What companies in mining & energy have filed the most WARN notices?

The top companies filing mining & energy WARN notices include: Phillips 66, Chemours, California Resources Corporation - (River Run).

Are mining & energy layoffs increasing or decreasing?

Mining & Energy layoffs appear to be decreasing. There have been 14 notices in 2026 so far, compared to 63 in all of 2025.

Mining & Energy Layoffs

Name: Mining & Energy WARN Act Layoff Notices
Creator: WARN Firehose
License: https://warnfirehose.com/terms

WARN Act mass layoff and plant closure notices in the mining & energy sector across all US states, updated daily.

Notices (2026)

1,452

Workers Affected

Greenbriar Minerals

Biggest Filing

Arroyo Grande

Most Affected City

Top States for Mining & Energy Layoffs

Top states by notices
State	Notices
California	7
Florida	3
West Virginia	2
Nevada	1
Minnesota	1

Latest Mining & Energy WARN Notices

WARN Act layoff notices
Company	Location	Employees	Notice Date	Type
California Resources Corporation - (River Run)	Bakersfield, CA	46	2026-02-17
California Resources Corporation (Ming)	Bakersfield, CA	9	2026-02-17
Greenbriar Minerals	Lorado, WV	530	2026-02-13	Layoff
Searles Valley Minerals	San Bernardino, CA	270	2026-02-06
Phillips 66	Arroyo Grande, CA	40	2026-02-02
Phillips 66	Arroyo Grande, CA	82	2026-02-02
Mettiki Coal (WV)	Davis, WV	199	2026-01-29	Closure
Phillips 66	Arroyo Grande, CA	44	2026-01-26
Phillips 66 - Wilmington	Los Angeles, CA	111	2026-01-26
Las Vegas	Las Vegas, NV	1	2026-01-22
Hibbing Taconite	Hibbing, MN	45	2026-01-14
Chemours	Starke, FL	44	2026-01-08	Layoff
Chemours	Starke, FL	12	2026-01-08	Layoff
Chemours	Macclenny, FL	19	2026-01-08	Layoff
Ensco Offshore LLC –	, LA	75	2025-12-05
Las Vegas	Las Vegas, NV	79	2025-12-04
Ons Sports Bistreaux) Las Vegas	Las Vegas, NV	35	2025-11-19
Las Vegas Las Vegas	Las Vegas, NV	12	2025-11-19
ColoWyo Coal Company LP (UPDATE)	Craig, CO	133	2025-11-18
Exxon Mobile/Denbury Onshore	Billings, MT	78	2025-11-17

Top Mining & Energy Companies

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Mining & Energy Layoffs

Top States for Mining & Energy Layoffs

Latest Mining & Energy WARN Notices

Top Mining & Energy Companies

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Mining & Energy Layoffs by State