TVA Greenlights Huge Underground Coal Blast in Illinois
Published Date: 3/27/2025
Notice
Summary
The Tennessee Valley Authority (TVA) is giving the green light to expand underground coal mining by about 22,400 acres in Illinois, following existing lease agreements. This move affects local communities and energy customers by supporting coal production while TVA plans to possibly sell the mineral rights later in 2025. The decision keeps things moving on schedule without new costs for now.
Analyzed Economic Effects
5 provisions identified: 2 benefits, 2 costs, 1 mixed.
Planned subsidence could affect 16,129 acres
The EIS identifies planned subsidence of approximately 16,129 acres within the SBR No. 8 Mine Area and notes construction of about six bleeder shaft facilities occupying roughly 39 acres; subsidence and these surface facilities could affect land, infrastructure, water supplies, and structures in the area during mining activities.
TVA approves large coal‑mine expansion
TVA decided to implement its preferred alternative and approve Sugar Camp's plan to extract TVA‑owned coal in the SBR No. 8 area, authorizing extraction within a 21,868‑acre portion and supporting an expansion described as approximately 22,414 acres of underground longwall mining. The EIS analyzes mining activity occurring between 2025 and 2050.
TVA may sell 64,689 acres of mineral rights
TVA will consider divesting the TVA Mineral Rights Area of 64,689 acres in a separate Board decision likely later in 2025; if divested, the existing coal lease agreements would transfer with the property to the purchaser, and the purchaser may or may not choose to continue mining the coal.
State permit requires repair and compensation
The Illinois permit conditions require Sugar Camp (and any future mine operator) to implement best management practices and to repair or compensate for damage caused by subsidence, including repairs or compensation for damaged buildings, wells, roads, utilities, drainage, and compensatory mitigation for impacted wetlands and streams.
Mining yields moderate local economic benefits
TVA's EIS states that mining under the action alternatives would produce moderate short‑ to long‑term positive socioeconomics, meaning local economic activity and jobs are expected during the mining period analyzed through 2050.
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Key Dates
Department and Agencies
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