23.70.080 Local Amendment Regarding Electrification Requirements for Existing Residential Buildings

(a) Green Building Code Section 4.106 "Site Development" is amended and to include new subsections as follows:

4.106.5.3 Existing one- and two-family dwellings.

4.106.5.3.1 Reserved.

4.106.5.3.2 Reserved.

4.106.5.3.3 Kitchen alterations shall include a 240v, 50 ampere circuit and receptacle installed within 3 feet of the cooktop, oven, and/or range location.

4.106.5.3.4 Alterations to areas designated for the installation of laundry equipment shall include a 240v, 30 ampere circuit and receptacle installed within 3 feet of clothes drying appliance location.

4.106.5.4 Existing residential buildings.

4.106.5.4.1 Alterations or additions that involve or require an increase to the capacity of electrical panels or transformers as part of the scope, the electrical panel shall include reserved physical space for overcurrent protection devices, and transformers shall include reserved electrical capacity, as calculated per California Electric Code Section 220 for the following current or proposed appliances, as applicable to the project site, that will not be connected to fuel gas infrastructure:

1. Electric water heaters meeting the requirements of the California Energy Code.

2. Electric space heater and air-conditioner meeting the requirements of the California Energy Code.

3. Electric pool and/or spa water heater.

4. Electric clothes dryer.

5. Electric cooking equipment.

6. Electric vehicle charger

Exceptions:

1. Buss bar electrical capacity shall not be required to exceed the proposed utility electrical service to the building. Capacity and overcurrent protection spaces shall be reserved in the priority listed above to the extent allowable under the proposed buss bar capacity.

2. Reserved electric vehicle charger panel capacity may be shared with one of the following: water heater, clothes dryer, or cooking equipment.

3. Electrical panels with internet-connected overcurrent protection devices that monitor circuit load and manage power distribution.