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SB 399

Natural Resources - Wildland Areas - Overhead Transmission Lines

2025 Regular Session Introduced by Mike McKay

Maryland permits overhead transmission lines in wildland areas to expand electrical infrastructure capacity while potentially compromising ecological habitat protection in designated natural zones.

Approved by the Governor - Chapter 572
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Bill Summary · SB 399

Legislative bill overview

SB 399 allows overhead transmission lines to be constructed through Maryland's wildland areas, which were previously protected from such infrastructure development. The bill modifies state natural resources law to permit electrical utility companies to build and maintain power lines in designated wildland zones under specified conditions. This became law in May 2025 after passing both chambers and receiving gubernatorial approval.

Why is this important

Overhead transmission lines are critical for distributing electricity across regions, and Maryland faces growing energy demands as the state pursues renewable energy goals and population growth. However, wildland areas are ecologically sensitive zones intended to preserve natural habitats and landscapes, so allowing transmission infrastructure there represents a significant policy shift balancing energy infrastructure needs against environmental conservation priorities.

Potential points of contention

  • Environmental impact: Overhead lines can fragment wildlife habitat, affect bird migration patterns, and visually alter protected natural areas that were designated for preservation
  • Precedent and scope: Permitting utility infrastructure in wildland areas may establish precedent for other industrial uses, potentially undermining the original purpose of wildland designations
  • Cost allocation: Questions about whether utility companies or ratepayers bear the costs of environmental mitigation, and whether "specified conditions" provide adequate environmental protections

Compiled from official sources — confirm details with the bill’s official record.

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