NH SB540

Defines "portable solar generation device" as a movable photovoltaic device with maximum 1,200 watts output that connects to a building's electrical system through a standard 120-volt receptacle to offset on-site electric consumption

Exempts portable solar generation devices from utility interconnection requirements, interconnection agreements, and net energy metering provisions under RSA 362-A:9

Requires devices to include anti-islanding protection and rapid shutdown functionality complying with UL 1741 or IEEE 1547 standards to prevent energizing electrical systems during power outages

Prohibits electric distribution utilities from requiring customers to obtain approval, pay fees, or install additional equipment beyond what is integrated into compliant devices

Shields electric distribution utilities from liability for damage or injury arising from customer-installed portable solar generation devices, effective January 1, 2027