MD HB1338

Requires a certificate of public convenience and necessity (CPCN) from the Public Service Commission before constructing energy storage devices with a minimum capacity of 2 megawatts that are installed in front of the meter

Defines "energy storage device" as a resource capable of absorbing electrical energy, storing it, and delivering it for later use, regardless of location on the electric distribution system

Mandates public notice and hearings in affected counties and municipalities for energy storage device CPCN applications, with notification to local governments, General Assembly members, and the Department of Planning

Requires the Commission to consider impacts on electric system stability and reliability, economics, esthetics, historic sites, aviation safety, air and water quality, and climate change effects when evaluating applications

Takes effect October 1, 2025, and applies only prospectively to energy storage device construction beginning after that date