Codes of Record

Massachusetts

MassDEP Guidance on Electric Battery Storage and Electric Vehicle Chargers

PartialRead in the state’s own source. It stays partial until the passage is on file word for word.

What does Massachusetts MassDEP Guidance on Electric Battery Storage and Electric Vehicle Chargers do? Summarizes existing rules, including a fire department permit above 20 kWh, or above 1 kWh at one- and two-family homes, and listing to UL 9540. It says most lithium-ion batteries are hazardous waste that can be managed as universal waste. Fire departments must approve storage decommissioning plans.

Facts

Kind
Agency guidance
Status
Published
Stage
In force
Signed or decided
August 20, 2025
Topics
Fire protection and siting, Permitting, Recycling and end of life
Products
Source
Massachusetts Department of Environmental Protection (opens in a new tab)
Citation
Guidance on electric battery storage, Aug 2025

For information only. Your local building or fire official decides which code applies. We check state records often but can miss a recent change, so confirm with your official before you design, permit, or install. Terms of use