§ 7–321
Statutes in effect as of October 1, 2026.
Md. Code Ann., Pub. Util. § 7-321 (2026)
Title 7. Gas, Electric, and Water Companies
Subtitle 3. Consumer Relations
§ 7–321LinkCopy Citation
(a)
In this section, “portable solar energy generating system” means a movable photovoltaic solar energy generation device that is:
(1)
designed to be connected to a building’s electrical system through a standard electrical outlet;
(2)
primarily intended to offset part of the building’s electricity consumption;
(3)
limited to supplying a maximum power output of not more than 1,200 watts back to the electric system of the building; and
(4)
certified by Underwriters Laboratory or an equivalent nationally recognized testing laboratory.
(b)
A person may purchase and install not more than one portable solar energy generating system per electric meter for residential use only.
(c)
A portable solar energy generating system:
(1)
is not subject to the requirements of §§ 7–306 and 7–306.1 of this subtitle;
(2)
is not eligible for inclusion in meeting the renewable energy portfolio standard; and
(3)
may not generate renewable energy credits of any type.
(d)
An electric company:
(1)
may not require a customer using a portable solar energy generating system to:
(i)
obtain the electric company’s approval before installing or using the portable solar energy generating system;
(ii)
pay any fee or charge related to the portable solar energy generating system’s ability to feed electricity back into the electric system; or
(iii)
except as provided in subsection (e) of this section, install any additional controls or equipment beyond what is integrated into the portable solar energy generating system; and
(2)
is not liable for any damage caused by a portable solar energy generating system.
(e)
A customer using a portable solar energy generating system shall:
(1)
notify the electric company providing service in the service territory in which the generating system will be installed before installation;
(2)
provide to the electric company providing service in the service territory in which the generating system will be or is installed a certification of the safety features and maximum generating capacity of the generating system; and
(3)
if the generating system requires an automatic locking disconnect switch to be installed, pay for the switch installation.
(f)
A portable solar energy generating system that has a maximum power output to a standard electrical outlet of not more than 391 watts is exempt from product listing provisions from Underwriters Laboratory or an equivalent nationally recognized testing laboratory that would require alterations to the building’s premises, wiring, or electrical panels.