11 LAFAYETTE STREET ST. MARYS PENNSYLVANIA 15857
PHONE (814) 781-1718 www.stmaryspa.gov FAX (814) 834-1304
City of St. Marys, PA
Code Enforcement Department
The City of St. Marys requires building permits for the following Solar
Photovoltaic (PV) Systems:
1. Any installation supplying a commercial building.
2. Any installation supplying a one or two-family dwelling or residential
accessory structure over 1,000 square feet in size.
3. Any installation connecting to the West Penn Power grid.
*Commercial Systems must be designed by a registered architect/engineer*
You must submit a completed application along with two (2) copies of the following
documents:
1. A site plan showing where system will be located on the property.
2. A detailed system diagram showing ALL components including the solar module,
AC & DC disconnects, inverter, combiner/junction box, all conductor/conduit
sizes & types, grounding system, panels, connections, batteries, etc.
3. ALL equipment manufacturers listing, labeling, specification, rating and
installation sheets.
4. Array mounting detail. (Ground, pole, roof) Roof mounted arrays must have
design professional approval.
5. If connecting to power grid, West Penn Power notification form.
6. Type of signage to comply with NEC Article 690 and UL 969.