Solar/ESS

Solar / Energy Storage System

Please be prepared to pay plan review fees of $156.00 at the end of your application unless you qualify as a tax exempt entity (i.e. 501c/503c).
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Unincorporated Placer CountyUnincorporated Nevada CountyTown of Truckee
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SolarEnergy Storage SystemBoth
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Applicable Fire Code sections per Ordinance 02-2025 as adopted and amended by Truckee Fire protection District:

Section 509.2.1 Electrical Shunt Trip/Switch. New structures and remodeled structures shall be provided with a remote main power electrical shunt switch in an approved location where any of the following conditions occur:
1. The main power disconnect switch is located on the interior of a building,
2. The main power disconnect switch is inaccessible to fire department personnel due to location or to climatic conditions, or
3. The facility is equipped with multiple electrical sources, such as fuel cells, ESS, generators or solar photovoltaic systems. Exception: Facilities where the Fire Code Official determines the electrical shunt trip/switch is not required.
The electrical shunt trip/switch shall be installed in an approved location on the exterior of the building and protected from the elements.

Where multiple power sources serve a structure, an electrical shunt trip/switch shall be provided for each power source. Multiple power sources can be connected to a single electrical shunt trip/switch where allowed by the California Electrical Code. Where multiple electrical shunt trip/switches are provided for a single structure, the shunt trip/switches shall be separated by no more than 3 feet (914 mm).

Electrical shunt trip/switches shall be hard wired to the power sources it controls. Each electrical shunt trip/switch shall have an approved, permanently mounted, weatherproof sign indicating the power source it controls. For example, "MAIN POWER SHUNT TRIP/SWITCH", "GENERATOR SHUNT TRIP/SWITCH", "ENERGY STORAGE BATTERIES SHUNT TRIP/SWITCH", etc.

1205.2.1.1 Pathways to ridge. Not fewer than two 36-inch-wide (914 mm) pathways on separate roof planes, from lowest roof edge to ridge, shall be provided on all buildings. Not fewer than one pathway shall be provided on the street or driveway side of the roof. For each roof plane with a photovoltaic array, not fewer than one 36-inch-wide (914 mm) pathway from lowest roof edge shall be provided on the same roof plane as the photovoltaic array, on an adjacent roof plane or straddling the same and adjacent roof planes.

1205.2.1.2 Setbacks at ridge. For photovoltaic arrays occupying 33 percent or less of the plan view total roof area, a setback of not less than 18 inches (457 mm) wide is required on both sides of a horizontal ridge. For photovoltaic arrays occupying more than 33 percent of the plan view roof area, a setback of not less than 36 inches (457 mm) wide is required on both sides of a horizontal ridge.

Section 1205.4.3 amended - Rapid Shutdown Switch. Where a facility is provided with more than one electrical power supply, the rapid shutdown switch shall be interconnected to the electrical shunt trip/switch in accordance with Section 509.2.1. The rapid shutdown switch and the electrical shunt trip/switch shall have a label located not greater than 3 feet from the switch that states the following: "RAPID SHUTDOWN SWITCH FOR SOLAR PV SYSTEM".
By signing below, you acknowledge that you have read and understand the above requirements and applicable code sections.*

Applicable Fire Code sections as adopted and amended by TFPD Local Ordinance 2025:

Section 1205.4.3 amended - Rapid Shutdown Switch. Where a facility is provided with more than one electrical power supply, the rapid shutdown switch shall be interconnected to the electrical shunt trip/switch in accordance with Section 509.2.1. The rapid shutdown switch and the electrical shunt trip/switch shall have a label located not greater than 3 feet from the switch that states the following: "RAPID SHUTDOWN SWITCH FOR SOLAR PV SYSTEM".

1207.11 ESS in Group R-3 and R-4 occupancies. ESS in Group R-3 and R-4 occupancies shall be in accordance with Sections 1207.11.1 through 1207.11.9.

1207.11.3 Spacing. Individual ESS units shall be separated from each other by at least 3 feet (914 mm) except where smaller separation distances are documented to be adequate based on large-scale fire testing complying with Section 1207.1.7.

1207.11.3 Location. ESS shall be installed only in the following locations:
1. Detached garages and detached accessory structures.
2. Attached garages separated from the swelling unit living space in accordance with Section R302.6.
3. Outdoors or on the exterior side of exterior walls located not less than 3 feet (914 mm) from doors and windows directly entering the dwelling unit.
4. Enclosed utility closets, basments, and storage or utility spaces within dwelling units and sleeping units with finished or noncombustible walls and ceilings. Walls and ceilings of unfinished wood-framed construction shall be provided with not less than 5/8-inch (15.9 mm) Type X gypsum wallboard.
ESS shall not be installed in sleeping rooms, or in closets or spaces opening directly into sleeping rooms.

1207.11.6 Fire detection. ESS installed in Group R-3 and R-4 occupancies shall comply with the following:
1. Rooms and areas within dwelling units, sleeping units, basments and attached garages in which ESS are installed shall be protected by smoke alarms in accordance with Section 907.2.11.
2. A listed heat alarm shall be installed in locations where smoke alarms cannot be installed based on their listing.
1207.11.7 Protection from impact. ESS installed in a location subject to vehicle damage in accordance with Section 1207.11.7.1 or 1207.11.7.2 shall be provided with impact protectection in accordance with Section 1207.11.7.3.

1207.11.7.1 Garages. Where an ESS is installed in the normal driving path of vehicle travel within a garage, impact protection complying with Section 1207.11.3 shall be provided. The normal driving path is a space between the garage vehicle opening and the interior face of the back wall to a height of 48 inches (1219 mm) above the finished floor. The width of the normal driving path shall be equal to the width of the garage door opening. Impact protection shall also be provided for an ESS installed at either of the following locations:
1. On the interior face of the back wall and located within 36 inches (914 mm) to the left or the right of the normal driving path.
2. On the interior face of a side wall and located within 24 inches (610 mm) of the back wall and 36 inches (914 mm) of the normal driving path. Exception: Where the clear height of the vehicle garage opening is 7 feet 6 inches (2286 mm) or less, ESS installed not less than 36 inches (914 mm) above the finished floor are not subject to vehicle impact protection requirements.
Section 509.2.1 Electrical Shunt Trip/Switch. New structures and remodeled structures shall be provided with a remote main power electrical shunt switch in an approved location where any of the following conditions occur:
1. The main power disconnect switch is located on the interior of a building,
2. The main power disconnect switch is inaccessible to fire department personnel due to location or to climatic conditions, or
3. The facility is equipped with multiple electrical sources, such as fuel cells, ESS, generators or solar photovoltaic systems. Exception: Facilities where the Fire Code Official determines the electrical shunt trip/switch is not required.
The electrical shunt trip/switch shall be installed in an approved location on the exterior of the building and protected from the elements.

Where multiple power sources serve a structure, an electrical shunt trip/switch shall be provided for each power source. Multiple power sources can be connected to a single electrical shunt trip/switch where allowed by the California Electrical Code. Where multiple electrical shunt trip/switches are provided for a single structure, the shunt trip/switches shall be separated by no more than 3 feet (914 mm).

Electrical shunt trip/switches shall be hard wired to the power sources it controls. Each electrical shunt trip/switch shall have an approved, permanently mounted, weatherproof sign indicating the power source it controls. For example, "MAIN POWER SHUNT TRIP/SWITCH", "GENERATOR SUNT TRIP/SWITCH", "ENERGY STORAGE BATTERIES SHUNT TRIP/SWITCH", etc.
By signing below, you acknowledge that you have read and understand the above requirements and applicable code sections.*

Check each box to ensure you have read and understand all the requirements prior to submitting your plans:*

Plan review turnaround is typically 7-14 business days (excluding holidays) from the date plan review fees are paid and complete submittal has been received. Once your review is complete, we will contact you via email.If any of the requirements are missing, plans will not be approved and will be subject to resubmittals and resubmittal fees. All resubmittals may trigger a new 14 business day turnaround (excluding holidays).Plans must be submitted below showing location of the generator, structure elevations, power disconnect, shunt trip and the location of an axillary power disconnect and signage. Cut sheets / manufacturer's installation manual for the generator must also be included on the plans.
Prior to submitting your plans, ensure these requirements are included and the correct fire code and ordinance is referenced:

2025 California Fire Code02-2025 Ordinance as adopted and amended by Truckee Fire Protection DistrictAll applicable codes must be met and demonstrated on your plans
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Solar / Energy Storage System