Cupertino Municipal Code Ch. 16.54 Energy Code

A. The provisions of the 2025 California Energy Code and each and all of the regulations, provisions, conditions and terms of the code are referred to as if fully set forth in this chapter, and are by such reference adopted.

B. One (1) copy of the code therefor is on file in the office of the Building Official pursuant to Health and Safety Code Section 18942 and is made available for public inspection.

(Ord. 22-2245, part, 2022; Ord. 24-2265, Att. A, 2024)

A. Amendments to Subchapter 1 (All Occupancies—General Provisions)

Amend Section 100.1(b) of the 2025 California Energy Code to add the following definitions: ELECTRIC HEATING APPLIANCE is a device that produces heat energy to create a warm environment by the application of electric power to resistance elements, refrigerant compressors, or dissimilar material junctions, as defined in the California Mechanical Code.

B. Amendments to Subchapter 4 (Nonresidential and Hotel/Motel Occupancies— Mandatory Requirements for Lighting Systems and Equipment, and Electrical Power Distribution Systems)

Amend Section 130.0 of the 2025 California Energy Code to read as follows:

SECTION 130.0 LIGHTING SYSTEMS AND EQUIPMENT, AND ELECTRICAL POWER DISTRIBUTIONS SYSTEMS—GENERAL

(a) The design and installation of all lighting systems and equipment in nonresidential and hotel/motel buildings, outdoor lighting, and electrical power distribution systems within the scope of Section 100.0(a), shall comply with the applicable provisions of Sections 130.0 through 130.6.

NOTE: The requirements of Sections 130.0 through 130.6 apply to newly constructed buildings. Section 141.0 specifies which requirements of Sections 130.0 through 130.6 also apply to additions and alterations to existing buildings.

(b) – (c): Subsections 130.0(b) – (c) are adopted without modification.

Amend Subchapter 4 of the 2025 California Energy Code to add Section 130.6 to be numbered, entitled, and to read as follows:

SECTION 130.6

ELECTRIC READINESS REQUIREMENTS FOR SYSTEMS USING GAS OR PROPANE

Where nonresidential systems using gas or propane are installed, the construction drawings shall indicate electrical infrastructure and physical space accommodating the future installation of an electric heating appliance in the following ways, as certified by a registered design professional or licensed electrical contractor.

a. Branch circuit wiring, electrically isolated and designed to serve all electric heating appliances in accordance with manufacturer requirements and the California Electrical Code, including the appropriate voltage, phase, minimum amperage, and an electrical receptacle or junction box within five feet of the appliance that is accessible with no obstructions. Appropriately sized conduit may be installed in lieu of conductors; and

b. Labeling of both ends of the unused conductors or conduit shall be with “For Future Electrical Appliance”; and

c. Reserved circuit breakers in the electrical panel for each branch circuit, appropriately labeled (e.g. “Reserved for Future Electric Range”), and positioned on the opposite end of the panel supply conductor connection; and

d. Connected subpanels, panelboards, switchboards, busbars, and transformers shall be sized to serve the future electric heating appliances. The electrical capacity requirements shall be adjusted for demand factors in accordance with the California Electric Code; and

e. Physical space for future electric heating appliances, including equipment footprint, and if needed a pathway reserved for routing of ductwork to heat pump evaporator(s), shall be depicted on the construction drawings. The footprint necessary for future electric heating appliances may overlap with non-structural partitions and with the location of currently designed combustion equipment.

(Ord. 24-2265, Att. A, 2024; Ord. 25-2278, Att. A (part), 2025)