House passes bill pushing advanced transmission technologies after hours of debate on energy policy

Annapolis — The Maryland House passed House Bill 829 on third reading and final passage on March 8, 2025, requiring that transmission projects built through the state use advanced transmission or grid-enhancing technologies, a measure supporters said will improve efficiency and reduce the need for future lines.

Supporters told the House the Public Service Commission and federal regulators retain primary jurisdiction over transmission siting but that the state can demand the use of technologies that get more capacity from existing lines. A person speaking from the floor characterized the…