Maryland Code, Local Government § 1-1320

(a)(1) In this section the following words have the meanings indicated.

(2) “Administration” means the Maryland Energy Administration.

(3) “Residential energy storage system” means a system, on a residential customer's side of the meter, used to store electrical energy, or mechanical, chemical, or thermal energy that was once electrical energy, for use as electrical energy at a later date or in a process that offsets electricity use at peak times.

(4) “Residential solar energy system” means any configuration of solar energy devices that collects and distributes solar energy for the purpose of generating electricity and that has a single residential interconnection with the electrical grid.

(5) “Solar permitting software” means:

(1) residential solar energy systems;

(2) residential energy storage systems;

(3) main electric panel upgrades; and

(4) main electric panel derates.

(1) the county or municipality does not require a permit for:

(2) as determined by the Administration, the automated software is no longer updated or maintained.