Core Natural Resources Delays Leer South Mine Restart Due to Elevated Carbon Monoxide Levels

Reuters
30 Jun
Core Natural Resources Delays Leer South Mine Restart Due to Elevated Carbon Monoxide Levels

Core Natural Resources, Inc. has provided an update on their efforts to resume operations at the Leer South mine following a combustion-related incident in mid-January. After re-entering the mine on June 10th, Core's team restored ventilation, hydraulic pressure, and assessed the condition of key equipment, finding the longwall largely unaffected by the event. However, on June 26th, an increase in carbon monoxide levels necessitated the evacuation of the mine and the restoration of seals in the affected area. Core is collaborating with federal and state officials to reposition the longwall equipment, aiming to restart production within four months. Despite the delay, the company remains optimistic about resuming operations in the fourth quarter and expects insurance recoveries related to the incident to exceed $100 million.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Core Natural Resources, Inc. published the original content used to generate this news brief via PR Newswire (Ref. ID: AQ20885) on June 30, 2025, and is solely responsible for the information contained therein.

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