MD SB201

Defines "advanced transmission technologies" to include grid-enhancing technologies, high performance conductors (carbon fiber, composite core, superconductors), and energy storage used as transmission

Requires applicants for certificates of public convenience and necessity for overhead transmission lines to submit evidence that they considered alternatives, advanced transmission technologies, alternative routes, costs to ratepayers, environmental impacts, and energy efficiency options

Mandates the Public Service Commission consider evidence of alternatives before approving applications for overhead transmission line construction

Requires transmission line owners/operators to submit reports to the Commission by December 1, 2026, and every 4 years thereafter, identifying transmission congestion areas, costs to ratepayers, feasibility of advanced technologies, and proposing implementation plans

Expands the definition of "qualified generator lead line" to include associated advanced transmission technology supporting out-of-state Tier 1 or Tier 2 renewable source interconnection

Effective date: October 1, 2026