Title 24 · California Energy Code
What EV infrastructure upgrades are required when a building or parking facility is altered or receives increased service?
If your project increases service to the electrical panel or installs PV over parking (a trigger under § 5.106.5.4), the CalGreen code requires you to add EV charging infrastructure. If there is no prior EV-capable infrastructure, you must provide charging sized per Section 5.106.5.3 (or the power-allocation method). If EV-capable infrastructure already exists, you must first install EV charging at those existing EV-capable spaces using the allocated power and only add new capacity if the altered area exceeds that existing capacity; accessibility rules also apply.
Last reviewed: July 6, 2026
What the code requires — 2–4 sentences
When an existing building or parking facility is altered and the work includes an increase in power supply to an electric service panel, the installation of a photovoltaic (PV) system over existing parking, or similar triggers, the project must add EV infrastructure according to California Green Building Standards § 5.106.5.4. If no prior EV capable infrastructure exists, the project must provide charging infrastructure per § 5.106.5.4.1. If EV capable infrastructure already exists, the project must convert those existing EV capable spaces to functioning EVCS using the existing allocated power and add more charging only if the altered area exceeds existing capacity per § 5.106.5.4.2.
The single most important rule: when an alteration triggers § 5.106.5.4 (for example a panel service increase or new PV over parking), you must provide EV charging infrastructure — either by following the EV capable / EVCS tables in Section 5.106.5.3 or by using the power-allocation method in Section 5.106.5.3.6.
Requirements in detail
When § 5.106.5.4 applies (the triggers)
Projects that must comply are specifically those that meet one or more triggers in § 5.106.5.4:
- Increase in power supply to an electric service panel as part of a parking facility addition/alteration.
- New photovoltaic system installed covering existing parking spaces.
- Additions/alterations to existing buildings (per code Section 301.3) where the scope includes an increase in power supply to an electric service panel.
Core decision dimensions (quick reference table)
| Decision question | Required action | Code reference |
|---|---|---|
| Does the project trigger § 5.106.5.4 (panel power increase, PV over parking, etc.)? | Comply with § 5.106.5.4.1 or § 5.106.5.4.2 depending on existing infrastructure. | § 5.106.5.4 |
| Is there no existing EV capable infrastructure at the site? | Provide EV charging infrastructure sized per Section 5.106.5.3 (Table 5.106.5.3.1) or the power-allocation option in Section 5.106.5.3.6 (Table 5.106.5.3.6) for the total number of actual parking spaces being added or altered. | § 5.106.5.4.1 |
| Is there existing EV capable infrastructure at the site? | First install EVCS at all existing EV capable spaces using the existing allocated power and infrastructure for the total number of actual parking spaces being added/altered; if the altered area exceeds existing capacity, provide additional EV charging to meet the Section requirements. | § 5.106.5.4.2 |
| When EVSE is installed, are accessibility rules required? | Yes — accessible EVCS must be provided per CBC Chapter 11B, § 11B-228.3. | § 11B-228.3 |
How to size or count the required EV upgrades
- Use the EV-capable / EVCS tables and rules in Section 5.106.5.3 and its Table 5.106.5.3.1 (EV capable spaces / EVCS counts) or use the power-allocation method in Section 5.106.5.3.6 and Table 5.106.5.3.6 (kVA targets by total parking count). The code explicitly allows either approach for the work required under § 5.106.5.4.
- Under the power-allocation method, the code treats a Level 2 EVSE as 6.6 kVA (see the table footnotes) and specifies minimum total kVA by parking-space ranges (e.g., 76–100 spaces → 112.2 kVA). Use those values to compare existing allocated power to required total power.
- When existing EV capable spaces exist, the code requires you to install EVCS at those spaces first, using the existing allocated power and infrastructure, before creating additional EV capable spaces. If the altered area requires more capacity than the existing allocated power, provide additional EVCS/infrastructure to meet the Section requirements. § 5.106.5.4.2 clarifies this sequencing and supplementation.
Exceptions & special cases
- The code lists exceptions where compliance may be determined infeasible by the local enforcing agency: no local utility power, local utility cannot supply adequate power, or additional utility infrastructure requirements would adversely impact construction cost (local agency review required). § 5.106.5.4 contains these exceptions.
- Other explicit exceptions include remote parking facilities without access to the building service panel, parking area lighting upgrades where no trenching is part of the work, and emergency repairs (example: post-disaster repairs). These are enumerated as exceptions in § 5.106.5.4.
- When EVSE is installed in any case, accessible charging spaces must meet CBC § 11B-228.3 (accessible EVCS rules apply to the new equipment).
Common mistakes
- Assuming the requirement applies only to new parking spaces—the trigger is the scope of work (e.g., panel upgrade or PV over parking), not simply the creation of new parking. Read § 5.106.5.4 triggers closely.
- Failing to convert existing EV capable spaces to working EVCS before adding more EV capable spaces when existing infrastructure is present (the required sequencing is explicit in § 5.106.5.4.2).
- Using the wrong baseline for sizing: the code references the total number of actual parking spaces being added or altered (for § 5.106.5.4.1) or the total parking in facility for power-allocation calculations (for § 5.106.5.3.6); be precise which table and method you are applying.
- Neglecting accessible EVCS requirements when EVSE is installed — CBC § 11B-228.3 applies.
Worked example — concrete numbers and sequence
Scenario: Existing parking facility has 80 total parking spaces and 10 existing EV capable spaces with allocated power equal to 10 × 6.6 kVA = 66 kVA. The project increases the building service panel capacity (a trigger under § 5.106.5.4), and adds 20 new parking spaces (new total = 100).
Step 1 — Determine required total power (power-allocation method):
- For 76–100 parking spaces Table 5.106.5.3.6 establishes a minimum total kVA of 112.2 kVA for the facility. (Table values and the 6.6 kVA/EVSE basis are in Section 5.106.5.3.6.)
Step 2 — Use existing allocated power first per § 5.106.5.4.2:
- The site already has 66 kVA allocated to its 10 existing EV capable spaces. The code requires you to install EVCS at those existing EV capable spaces, utilizing that existing allocated power, prior to adding any new EV capable spaces. § 5.106.5.4.2 requires this sequencing.
Step 3 — Determine additional capacity required:
- Required total = 112.2 kVA. Existing allocated used = 66 kVA. Additional kVA needed = 112.2 − 66 = 46.2 kVA. To meet the minimum, you must provide additional EV charging/infrastructure sized to supply the remaining 46.2 kVA (for example, by installing additional Level 2 EVSEs at 6.6 kVA each or by adding appropriately sized receptacles/raceways and service capacity). Use Table 5.106.5.3.6 and the EV capable / EVCS rules in Section 5.106.5.3 to select the combination of EV capable spaces, low-power receptacles, Level 2 EVSE or DCFC that meets the kVA target.
Step 4 — Accessibility and code compliance:
- Where EVSE is installed, make sure accessible EVCS comply with § 11B-228.3 (CBC) and provide required signage, raceways sized per the California Electrical Code, and any other requirements in Section 5.106.5.3 (raceway sizing, receptacle configurations, ALMS allowances).
Related provisions
- § 5.106.5.3 — Electric vehicle charging infrastructure and EV capable / EVCS counts and requirements (tables and receptacle/raceway rules).
- § 5.106.5.3.6 — Power-allocation method and Table 5.106.5.3.6 (kVA targets by parking count and 6.6 kVA per Level 2 EVSE).
- § 5.106.5.6 — EV charging readiness requirements for warehouses, grocery/retail, office, and manufacturing with off-street loading (medium/heavy-duty EVSE readiness).
- § 5.106.5.6.4 / 5.106.5.6.5 — Rules for alterations of parking facilities, and requirement to install EVSE in some projects submitted to state agencies.
- § 11B-228.3 — California Building Code accessibility requirements for EVCS (accessible charging stations).
Code references
Grounded in the retrieved California Energy Code — click a citation to read the verbatim passage:
§ 5.106.5.4.1 High relevance — show source text
Remote parking facilities that do not have access to the building service panel. 3. Parking area lighting upgrades where no trenching is part of the scope of work. 4. Emergency repairs, including but not limited to water line break in parking facilities, natural disaster repairs, etc.
5.106.5.4.1 Existing buildings or parking areas without previously installed EV capable infrastructure [A]. When EV capable infrastructure does not exist at an existing parking facility or building, and the parking facility or building undergoes an addition or alteration listed in Section 5.106.5.4, construction shall include electric vehicle charging in compliance with either Section 5.106.5.3 and associated Table 5.106.5.3.1, or Section 5.106.5.3.6 and associated Table 5.106.5.3.6 for the total number of actual parking spaces being added or altered.
5.106.5.4.2 Existing buildings or parking areas with previously installed EV capable infrastructure [A]. When EV capable infrastructure is available at an existing parking facility or building, and the parking facility or building is undergoing an addition or alteration listed in Section 5.106.5.4, construction shall include electric vehicle charging in compliance with either Section 5.106.5.3 and associated Table 5.106.5.3.1, or Section 5.106.5.3.6 and associated Table 5.106.5.3.6. Install EVCS at all existing EV capable spaces, utilizing the existing allocated power and infrastructure for the total number of actual parking spaces being added or altered, prior to adding any new EV capable spaces. If the area being added or altered exceeds the existing EV capable capacity, allocated power and infrastructure, provide additional EV charging as needed to comply with this section.
5.106.5.5 Electric vehicle (EV) charging: medium-duty and heavy-duty. [N] [BSG-CG] Construction shall comply with Section 5.106.5.5.1 to facilitate future installation of electric vehicle supply equipment (EVSE). Construction for warehouses, grocery stores and retail stores, office buildings, and manufacturing facilities with planned off-street loading spaces shall also comply with Section 5.106.5.5.1 for future installation of medium- and heavy-duty EVSE.
Exceptions:
- On a case-by-case basis where the local enforcing agency has determined compliance with this section is not feasible based upon one of the following conditions: a. Where there is no local utility power supply. b. Where the local utility is unable to supply adequate power. c. Where there is evidence suitable to the local enforcing agency substantiating that additional local utility infrastructure design requirements, directly related to the implementation of Section 5.106.5.3, may adversely impact the construction cost of the project.
2025 CALIFORNIA GREEN BUILDING STANDARDS CODE 5-7
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NONRESIDENTIAL MANDATORY MEASURES
When EVSE(s) is/are installed, it shall be in accordance with the California Building Code, the California Electrical Code and as follows:
§ 5.106.5.4 High relevance — show source text
5.106.5.4 Additions or alterations to existing buildings or parking facilities [A]. [BSC-CG] Existing buildings or parking facilities being modified by one of the following shall comply with Section 5.106.5.4.1 or 5.106.5.4.2. When EVSE is installed, accessible EVCS shall be provided in accordance with the California Building Code, Chapter 11B, Section 11B-228.3.
- When the scope of construction work includes an increase in power supply to an electric service panel as part of a parking facility addition or alteration.
- When a new photovoltaic system is installed covering existing parking spaces.
- When additions or alterations to existing buildings are triggered pursuant to code Section 301.3 and the scope of work includes an increase in power supply to an electric service panel.
Exceptions:
- On a case-by-case basis where the local enforcing agency has determined compliance with this section is not feasible based upon one of the following conditions: a. Where there is no local utility power supply. b. Where the local utility is unable to supply adequate power. c. Where there is evidence suitable to the local enforcement agency substantiating that additional local utility infrastructure design requirements, directly related to the implementation of Section 5.106.5.3, may adversely impact the construction cost of the project. d. Where demonstrated as impracticable excluding local utility service or utility infrastructure issues.
- Remote parking facilities that do not have access to the building service panel.
- Parking area lighting upgrades where no trenching is part of the scope of work.
- Emergency repairs, including but not limited to water line break in parking facilities, natural disaster repairs, etc.
5.106.5.4.1 Existing buildings or parking areas without previously installed EV capable infrastructure [A]. When EV capable infrastructure does not exist at an existing parking facility or building, and the parking facility or building undergoes an addition or alteration listed in Section 5.106.5.4, construction shall include electric vehicle charging in compliance with either Section 5.106.5.3 and associated Table 5.106.5.3.1, or Section 5.106.5.3.6 and associated Table 5.106.5.3.6 for the total number of actual parking spaces being added or altered.
5.106.5.4.2 Existing buildings or parking areas with previously installed EV capable infrastructure [A]. When EV capable infrastructure is available at an existing parking facility or building, and the parking facility or building is undergoing an addition or alteration listed in Section 5.106.5.4, construction shall include electric vehicle charging in compliance with either Section 5.106.5.3 and associated Table 5.106.5.3.1, or Section 5.106.5.3.6 and associated Table 5.106.5.3.6. Install EVCS at all existing EV capable spaces, utilizing the existing allocated power and infrastructure for the total number of actual parking spaces being added or altered, prior to adding any new EV capable spaces. If the area being added or altered exceeds the existing EV capable capacity, allocated power and infrastructure, provide additional EV charging as needed to comply with this section.
§ 5.106.5.5 High relevance — show source text
Install EVCS at all existing EV capable spaces, utilizing the existing allocated power and infrastructure for the total number of actual parking spaces being added or altered, prior to adding any new EV capable spaces. If the area being added or altered exceeds the existing EV capable capacity, allocated power and infrastructure, provide additional EV charging as needed to comply with this section.
5.106.5.5 Electric vehicle (EV) charging: medium-duty and heavy-duty. [N] [BSG-CG] Construction shall comply with Section 5.106.5.5.1 to facilitate future installation of electric vehicle supply equipment (EVSE). Construction for warehouses, grocery stores and retail stores, office buildings, and manufacturing facilities with planned off-street loading spaces shall also comply with Section 5.106.5.5.1 for future installation of medium- and heavy-duty EVSE.
Exceptions:
- On a case-by-case basis where the local enforcing agency has determined compliance with this section is not feasible based upon one of the following conditions: a. Where there is no local utility power supply. b. Where the local utility is unable to supply adequate power. c. Where there is evidence suitable to the local enforcing agency substantiating that additional local utility infrastructure design requirements, directly related to the implementation of Section 5.106.5.3, may adversely impact the construction cost of the project.
2025 CALIFORNIA GREEN BUILDING STANDARDS CODE 5-7
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NONRESIDENTIAL MANDATORY MEASURES
When EVSE(s) is/are installed, it shall be in accordance with the California Building Code, the California Electrical Code and as follows:
5.106.5.5.1 Electric vehicle charging readiness requirements for warehouses, grocery stores, office buildings, and manufacturing facilities and retail stores with planned off-street loading spaces. [N] In order to avoid future demolition when adding EV supply and distribution equipment, spare raceway(s) or busway(s) and adequate capacity for transformer(s), service panel(s) or subpanel(s) shall be installed at the time of construction in accordance with the California Electrical Code . Construction plans and specifications shall include, but are not limited to, the following:
The transformer, main service equipment and subpanels shall meet the minimum power requirement in Table 5.106.5.5.1 to accommodate the dedicated branch circuits for the future installation of EVSE.
The construction documents shall indicate one or more location(s) convenient to the planned off-street loading space(s) reserved for medium- and heavy-duty ZEV charging cabinets and charging dispensers, and a pathway reserved for routing of conduit from the termination of the raceway(s) or busway(s) to the charging cabinet(s) and dispenser(s), as shown in Table 5.106.5.5.1.
Raceway(s) or busway(s) originating at a main service panel or a subpanel(s) serving the area where potential future medium- and heavy-duty EVSE will be located and shall terminate in close proximity to the potential future location of the charging equipment for medium- and heavy-duty vehicles.
The raceway(s) or busway(s) shall be of sufficient size to carry the minimum additional system load to the future location of the charging for medium- and heavy-duty ZEVs as shown in Table 5.106.5.5.1.
§ 5.106.5.6.3 High relevance — show source text
5.106.5.6.3 EVCS alternative compliance. In lieu of compliance with Section 5.106.5.6.2, EVCS shall be provided with Level 1, low power Level 2, or Level 2, or any combination of Level 1, low power Level 2 or Level 2 EVSE such that the total power supplied by the combination of EVSE meets the minimum power indicated in Table 5.106.5.6.3, based on the total number of actual parking spaces in each parking facility.
TABLE 5.106.5.6.3 Col2 NUMBER OF PARKING SPACES IN A PARKING FACILITY MINIMUM TOTAL POWER (KVA) REQUIRED FOR EVCS 0–9 0 10–25 7 26–50 14 51–75 20 76–100 27 101–150 40 151–200 60 201 and over Total required KVA = P × .05 × 6.6
Where P = Parking spaces in facility2025 CALIFORNIA GREEN BUILDING STANDARDS CODE 5-9
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5.106.5.6.4 EVCS for alterations of or additions to parking facilities. Alterations of or additions to parking facilities shall provide EVCS in compliance with Section 5.106.5.6.4. The installation of infrastructure for EV capable spaces required to be provided without EVSE shall not be required.
5.106.5.6.4.1 Alterations of and additions to parking facilities. EVCS shall be provided in accordance with the number indicated in Table 5.106.5.6.1 or minimum power indicated in Table 5.106.5.6.3 when the scope of work includes an increase in power supply to an electric panel serving light fixtures illuminating the parking area or when area containing parking spaces is added to a parking facility. The number of required EVCS shall be based on the total number of existing and new parking spaces in the parking facility.
5.106.5.6.4.2 Alterations consisting of the installation of photovoltaic systems. EVCS shall be provided in accordance with the number indicated in Table 5.106.5.6.1 or maximum power indicated in Table 5.106.5.6.3 when a new photovoltaic system is installed in an existing parking facility.
5.106.5.6.5 Requirement to install EVSE. Level 2 EVSE shall be provided in all existing EV capable spaces to create EVCS when a project is required by California Administrative Code Section 4-309 to be submitted for plan approval to the Division of the State Architect. When EVSE is installed in existing EV capable spaces, accessible EVCS shall be provided in accordance with California Building Code Chapter 11B .
Exception: Projects in which improvements in parking areas consist only of accessibility improvements are not required to comply with Section 5.106.5.6.5.
5.106.6 Reserved.
5.106.7 Reserved.
§ 4.106.4.2.3 High relevance — show source text
4.106.4.2.3 Reserved.
4.106.4.2.4 Reserved.
4.106.4.2.5 Electric vehicle ready space signage. Electric vehicle ready spaces shall be identified by signage or pavement markings, in compliance with Caltrans Traffic Operations Policy Directive 13-01 (Zero Emission Vehicle Signs and Pavement Markings) or its successor(s).
4.106.4.2.6 Hotels and motels.
- EV ready parking spaces with receptacles. a. Hotels and motels. Forty (40) percent of the total number of parking spaces shall be equipped with low power Level 2 EV charging receptacles. Exception: Areas of parking facilities served by parking lifts, including but not limited to automated mechanical-access open parking garages as defined in the California Building Code ; or parking facilities otherwise incapable of supporting electric vehicle charging. b. Receptacle configurations. 208/240V EV charging receptacles shall comply with one of the following configurations:
- For 20- ampere receptacles, NEMA 6-20R
- For 30- ampere receptacles, NEMA 14-30R
- For 50- ampere receptacles, NEMA 14-50R
- EV Ready parking spaces with EV chargers. a. Hotels and motels. Twenty-five (25) percent of the total number of parking spaces shall be equipped with Level 2 EV chargers.
2025 CALIFORNIA GREEN BUILDING STANDARDS CODE 4-5
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RESIDENTIAL MANDATORY MEASURES
b. EV charger connectors. EV chargers shall be equipped with J1772 or J3400 connectors. Exception: Areas of parking facilities served by parking lifts, including but not limited to, automated mechanical-access open parking garages as defined in the California Building Code ; or parking facilities otherwise incapable of supporting electric vehicle charging. c. An automatic load management system (ALMS) may be used to reduce the maximum required electrical capacity to each space served by the ALMS. The electrical system and any on-site distribution transformers shall have sufficient capacity to deliver at least 3.3 kW simultaneously to each EV charging station (EVCS) served by the ALMS. The branch circuit shall have a minimum capacity of 40 amperes, and installed EV chargers shall have a capacity of not less than 30 amperes.
4.106.4.3 Electric vehicle charging for additions and alterations of parking facilities serving existing multifamily buildings, hotels and motels. When existing parking facilities are altered or new parking spaces are added to existing parking facilities, and the work requires a building permit, each parking space added or altered shall have access to either a low power Level 2 EV charging receptacle or Level 2 EV charger, unless determined as infeasible by the project builder or designer and subject to concurrence of the local enforcing agency.
Exception: Where work requiring a permit is being performed for the installation of 120-volt electrical receptacle(s) for level 1 EV charging.
4.106.4.4. Bicycle parking. Bicycle parking shall comply with Sections 4.106.4.4.1 through 4.106.4.4.3.
§ 5-6 High relevance — show source text
For office and retail buildings the maximum allowed kVA to be utilized for EV capable spaces is 25 percent.|
5-6 2025 CALIFORNIA GREEN BUILDING STANDARDS CODE
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NONRESIDENTIAL MANDATORY MEASURES
5.106.5.3.6.1 Receptacle configurations. 208/240V EV charging receptacles shall comply with one of the following configurations:
- For 20-ampere receptacles, NEMA 6-20R.
- For 30-ampere receptacles, NEMA 14-30R.
- For 50-ampere receptacles, NEMA 14-50R.
5.106.5.3.6.2 EV Charger connectors. EV chargers shall be equipped with SAE J1772 with a maximum output 240 Volts AC or SAE J3400 connectors. When using level 2 SAE J3400 connectors, supplied by a 480 V 3-phase service, at least 20 percent of the EV charger connectors shall be SAE J1772 with a maximum output 240 Volts AC.
5.106.5.3.6.3 Raceway capacity requirements. To allow for future upgrades to the electrical conductors serving low power Level 2 charging receptacles, the listed raceway serving such receptacles shall be sized to allow the installation of a dedicated 208/240-volt 40-ampere branch circuit. Where no raceway is used, the conductors shall be sized to accommodate a 208/240-volt 40-ampere receptacle.
5.106.5.4 Additions or alterations to existing buildings or parking facilities [A]. [BSC-CG] Existing buildings or parking facilities being modified by one of the following shall comply with Section 5.106.5.4.1 or 5.106.5.4.2. When EVSE is installed, accessible EVCS shall be provided in accordance with the California Building Code, Chapter 11B, Section 11B-228.3.
- When the scope of construction work includes an increase in power supply to an electric service panel as part of a parking facility addition or alteration.
- When a new photovoltaic system is installed covering existing parking spaces.
- When additions or alterations to existing buildings are triggered pursuant to code Section 301.3 and the scope of work includes an increase in power supply to an electric service panel.
Exceptions:
- On a case-by-case basis where the local enforcing agency has determined compliance with this section is not feasible based upon one of the following conditions: a. Where there is no local utility power supply. b. Where the local utility is unable to supply adequate power. c. Where there is evidence suitable to the local enforcement agency substantiating that additional local utility infrastructure design requirements, directly related to the implementation of Section 5.106.5.3, may adversely impact the construction cost of the project. d. Where demonstrated as impracticable excluding local utility service or utility infrastructure issues.
- Remote parking facilities that do not have access to the building service panel.
- Parking area lighting upgrades where no trenching is part of the scope of work.
- Emergency repairs, including but not limited to water line break in parking facilities, natural disaster repairs, etc.
§ 106.8.1.1 High relevance — show source text
A4.106.8.1.1 Identification. The service panel or subpanel circuit directory shall identify the overcurrent protective device designated for future EV charging purposes as “EV READY” in accordance with the California Electrical Code. The receptacle or blank cover shall be identified as “EV READY.”
A4.106.8.2 New multifamily dwellings, hotels and motels. New multifamily dwellings, hotels and motels shall meet the following requirements.
A4.106.8.2.1 Multifamily dwellings, hotels and motels.
Tier 1. New multifamily dwellings, hotels and motels.
- EV ready parking spaces with receptacles. a. Hotels and motels. Sixty (60) percent of the total number of parking spaces shall be equipped with low power Level 2 EV charging receptacles. b. Raceway capacity requirements. To allow for future upgrades to the electrical conductors serving low power Level 2 EV charging receptacles, the listed raceway serving such receptacles shall be sized to allow
APPENDIX A4-6 2025 CALIFORNIA GREEN BUILDING STANDARDS CODE
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APPENDIX A4 — RESIDENTIAL VOLUNTARY MEASURES
the installation of a dedicated 208/240-volt 40-ampere branch circuit. Where no raceway is used, the conductors shall be sized to accommodate a 208/240-volt 40-ampere receptacle.
Exception: Hotels and motels may substitute Level 2 EV chargers for some or all of the required EV charging receptacles. 2. EV ready parking spaces with EV chargers. a. Hotels and motels. Forty (40) percent of the total number of parking spaces for hotels and motels shall be equipped with Level 2 EV chargers. b. Multifamily parking facilities with unassigned or common use parking. In addition to the low power Level 2 EV charging receptacle requirements of Section A4.106.8 (Tier 1, subsection 1), forty (40) percent of the total number of parking spaces shall be equipped with Level 2 EV chargers and shall be made available for use by all residents or guests.
Exception: Areas of parking facilities served by parking lifts, including but not limited to automated mechanicalaccess open parking garages as defined in the California Building Code ; or parking facilities otherwise incapable of supporting electric vehicle charging.
A4.106.8.2.2 Technical requirements. The EV spaces required by Section A4.106.8.2 shall be designed and constructed in accordance with Sections 4.106.4.2, 4.106.4.2.2.1.1, 4.106.4.2.2.1.2, and 4.106.4.2.5.
SECTION A4.107 (RESERVED)
SECTION A4.108 —INNOVATIVE CONCEPTS AND LOCAL ENVIRONMENTAL CONDITIONS
A4.108.1 Innovative concepts and local environmental conditions. The provisions of this code are not intended to prevent the use of any alternate material, appliance, installation, device, arrangement, method, design or method of construction not specifically prescribed by this code. This code does not limit the authority of city, county, or city and county government to make necessary changes to the provisions contained in this code pursuant to Section 101.7.1.
§ 5.106.5.3.2.1 High relevance — show source text
5.106.5.3.2.1 Receptacle configurations. 208/240V EV charging receptacles shall comply with one of the following configurations:
- For 20-ampere receptacles, NEMA 6-20R
- For 30-ampere receptacles, NEMA 14-30R
- For 50-ampere receptacles, NEMA 14-50R
5.106.5.3.2.2 EV charger connectors. EV chargers shall be equipped with SAE J1772 with a maximum output 240 Volts AC or SAE J3400 connectors.
When using level 2 SAE J3400 SAE connectors, supplied by a 480 V 3-phase service, at least 20 percent of the EV charger connectors shall be SAE J1772 with a maximum output 240 Volts AC.
5.106.5.3.2.3 The installation of each DCFC EVSE shall be permitted to reduce the minimum number of required EV capable spaces without EVSE or EVCS with Level 2 EVSE by five, and reduce proportionally the required electrical load capacity to the service panel or subpanel.
5.106.5.3.2.4 The installation of two low power Level 2 EV charging receptacles shall be permitted to reduce the minimum number of required EV capable spaces without EVSE in Table 5.106.5.3.1 by one.
5.106.5.3.2.4.1 Raceway capacity requirements. To allow for future upgrades to the electrical conductors serving low power Level 2 charging receptacles, the listed raceway serving such receptacles shall be sized to allow the installation of a dedicated 208/240-volt 40-ampere branch circuit. Where no raceway is used, the conductors shall be sized to accommodate a 208/240-volt 40-ampere receptacle.
5.106.5.3.3 Use of automatic load management systems (ALMS). ALMS shall be permitted for EVCS. When ALMS is installed, the required electrical load capacity specified in Section 5.106.5.3.1 for each EVCS may be reduced when serviced by an EVSE controlled by an ALMS. Each EVSE controlled by an ALMS shall deliver a minimum 30 amperes to an EV when charging one vehicle and shall deliver a minimum 3.3 kW while simultaneously charging multiple EVs.
5.106.5.3.4 Accessible electric vehicle charging station (EVCS) . When EVSE is installed, accessible EVCS shall be provided in accordance with the California Building Code, Chapter 11B, Section 11B-228.3.
5.106.5.3.5 Electric vehicle charging station signage. Electric vehicle charging stations shall be identified by signage or pavement markings in compliance with Caltrans Traffic Operations Policy Directive 13-01 (Zero Emission Vehicle Signs and Pavement Markings) or its successor(s).
5.106.5.3.6 Electric vehicle charging stations (EVCS)—power allocation method. The power allocation method may be used as an alternative to the requirements in Section 5.106.5.3.1, Section 5.106.5.3.2 and associated Table 5.106.5.3.1. Use Table 5.106.5.3.6 to determine the total power in kVA required based on the total number of actual parking spaces.
§ 1.2. High relevance — show source text
RESIDENTIAL MANDATORY MEASURES
1.2. Where there is evidence suitable to the local enforcing agency substantiating that additional local utility infrastructure design requirements, directly related to the implementation of Section 4.106.4, may adversely impact the construction cost of the project. 2. Accessory Dwelling Units (ADU) and Junior Accessory Dwelling Units (JADU) without additional parking facilities.
4.106.4.1 New one- and two-family dwellings and townhouses with attached private garages. For each dwelling unit, install a listed raceway to accommodate a dedicated 208/240-volt branch circuit. The raceway shall not be less than trade size 1 (nominal 1-inch inside diameter). The raceway shall originate at the main service or subpanel and shall terminate into a listed cabinet, box or other enclosure in close proximity to the proposed location of an EV charger. Raceways are required to be continuous at enclosed, inaccessible or concealed areas and spaces. The service panel and/or subpanel shall provide capacity to install a 40-ampere 208/240-volt minimum dedicated branch circuit and space(s) reserved to permit installation of a branch circuit overcurrent protective device.
Exception: A raceway is not required if a minimum 40-ampere 208/240-volt dedicated EV branch circuit is installed in close proximity to the proposed location of an EV charger at the time of original construction in accordance with the California Elec- trical Code .
4.106.4.1.1 Identification. The service panel or subpanel circuit directory shall identify the overcurrent protective device space(s) reserved for future EV charging as “EV CAPABLE”. The raceway termination location shall be permanently and visibly marked as “EV CAPABLE”.
4.106.4.2 New multifamily dwellings, hotels and motels and new residential parking facilities. When parking is provided, parking spaces for new multifamily dwellings, hotels and motels shall meet the requirements of Section 4.106.4.2.2. Calculations for spaces shall be rounded up to the nearest whole number. A parking space served by electric vehicle supply equipment or designed as an EV charging space shall count as at least one standard automobile parking space only for the purpose of complying with any applicable minimum parking space requirements established by a local jurisdiction. See Vehicle Code Section 22511.2 for further details.
4.106.4.2.1 Reserved.
4.106.4.2.2 Multifamily dwellings.
- EV ready parking spaces with receptacles. a. Multifamily parking facilities with assigned parking. Where dwelling units are provided with assigned parking spaces equal to or greater than the number of dwelling units, at least one low power Level 2 EV charging receptacle shall be provided at an assigned parking space for each dwelling unit.
- Where the total number of dwelling units exceeds the number of assigned parking spaces, all assigned parking spaces shall be provided with one low power Level 2 EV charging receptacle. Exception: Areas of parking facilities served by parking lifts, including but not limited to, automated mechanical-access open parking garages as defined in the California Building Code ; or parking facilities otherwise incapable of supporting electric vehicle charging. b. Multifamily parking facilities with unassigned parking. Where dwelling units are provided with unassigned parking spaces equal to or greater than the number of dwelling units, at least one low power Level 2 EV charging receptacle shall be provided at an unassigned parking space for each dwelling unit.
§ 5.106.4.1.2.1 High relevance — show source text
Calculations for bicycle parking requirements shall be rounded up to the nearest whole number.
5.106.4.1.2.1 For new buildings with tenant spaces, provide secure bicycle parking for 10 percent of the tenant-occupants, with a minimum of one bicycle parking facility.
5.106.4.1.2.2 For additions or alterations, provide secure bicycle parking for 10 percent of the tenant-occupants being added, with a minimum of one bicycle parking facility.
5.106.4.1.2.3 For new shell buildings in phased projects, provide secure bicycle parking for 10 percent of the anticipated tenant-occupants, with a minimum of one bicycle parking facility.
5.106.4.2 Bicycle parking. [DSA-SS] For public schools and community colleges, comply with Sections 5.106.4.2.1 and 5.106.4.2.2. 5.106.4.2.1 Student bicycle parking. Provide permanently anchored bicycle racks conveniently accessed with a minimum of four two-bike capacity racks per new building.
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NONRESIDENTIAL MANDATORY MEASURES
5.106.4.2.2 Staff bicycle parking. Provide permanent, secure bicycle parking conveniently accessed with a minimum of two staff bicycle parking spaces per new building. Acceptable bicycle parking facilities shall be convenient from the street or staff parking area and shall meet one of the following:
- Covered, lockable enclosures with permanently anchored racks for bicycles;
- Lockable bicycle rooms with permanently anchored racks; or
- Lockable, permanently anchored bicycle lockers.
5.106.5 Electric vehicle (EV) charging.
5.106.5.1 Reserved.
5.106.5.2 Reserved.
5.106.5.3 Electric vehicle (EV) charging. [N] [BSC-CG] Construction to provide electric vehicle infrastructure and facilitate electric vehicle charging shall comply with Section 5.106.5.3.1 EV capable spaces, Section 5.106.5.3.2 Electric vehicle charging stations and associated Table 5.106.5.3.1, or Section 5.106.5.3.6 Electric vehicle charging stations (EVCS)—Power allocation method and associated Table 5.106.5.3.6, and shall be provided in accordance with regulations in the California Building Code and the California Electrical Code. Exceptions:
- On a case-by-case basis where the local enforcing agency has determined compliance with this section is not feasible based upon one of the following conditions: a. Where there is no local utility power supply. b. Where the local utility is unable to supply adequate power. c. Where there is evidence suitable to the local enforcement agency substantiating that additional local utility infrastructure design requirements, directly related to the implementation of Section 5.106.5.3, may adversely impact the construction cost of the project.
- Areas of parking facilities served by parking lifts, including but not limited to, automated mechanical-access open parking garages as defined in the California Building Code ; or parking facilities otherwise incapable of supporting electric vehicle charging. 5.106.5.3.1 EV capable spaces. [N] EV capable spaces shall be provided in accordance with Table 5.106.5.3.1 and the following requirements:
§ 5.106.5.3.3 High relevance — show source text
5.106.5.3.3 Use of automatic load management systems (ALMS). ALMS shall be permitted for EVCS. When ALMS is installed, the required electrical load capacity specified in Section 5.106.5.3.1 for each EVCS may be reduced when serviced by an EVSE controlled by an ALMS. Each EVSE controlled by an ALMS shall deliver a minimum 30 amperes to an EV when charging one vehicle and shall deliver a minimum 3.3 kW while simultaneously charging multiple EVs.
5.106.5.3.4 Accessible electric vehicle charging station (EVCS) . When EVSE is installed, accessible EVCS shall be provided in accordance with the California Building Code, Chapter 11B, Section 11B-228.3.
5.106.5.3.5 Electric vehicle charging station signage. Electric vehicle charging stations shall be identified by signage or pavement markings in compliance with Caltrans Traffic Operations Policy Directive 13-01 (Zero Emission Vehicle Signs and Pavement Markings) or its successor(s).
5.106.5.3.6 Electric vehicle charging stations (EVCS)—power allocation method. The power allocation method may be used as an alternative to the requirements in Section 5.106.5.3.1, Section 5.106.5.3.2 and associated Table 5.106.5.3.1. Use Table 5.106.5.3.6 to determine the total power in kVA required based on the total number of actual parking spaces.
Power allocation method shall include the following:
- Use any kVA combination of EV capable spaces, low power Level 2, Level 2 or DCFC EVSEs.
- At least one Level 2 EVSE shall be provided.
TABLE 5.106.5.3.6-EVCS—POWER ALLOCATION METHOD Col2 Col3 Col4 TOTAL NUMBER OF ACTUAL
PARKING SPACESMINIMUM TOTAL kVA
@ 6.6 kVAOTHER THAN OFFICE AND RETAIL
TOTAL kVA REQUIRED IN ANY
**COMBINATION OF EV CAPABLE3,4, **
LOW POWER LEVEL 2, LEVEL 21, 2,
OR DCFCOFFICE AND RETAIL
TOTAL kVA REQUIRED IN ANY
COMBINATION OF EV CAPABLE4, 5,
LOW POWER LEVEL 2, LEVEL 21, 2,
OR DCFC1–9 0 0 0 10–25 26.4 26.4 26.4 26–50 52.8 52.8 52.8 51–75 85.8 85.8 85.8 76–100 112.2 112.2 112.2 101–150 165 165 165 151–200 231 231 231 201 and over 20 percent of actual parking
spaces × 6.6Total required kVA = P × .20 × 6.6
Where P = Parking spaces in facilityTotal required kVA = P × .20 × 6.6
Where P = Parking spaces in facility1. Level 2 EVSE @ 6.6 kVA minimum.
2.§ 3.3 High relevance — show source text
RESIDENTIAL MANDATORY MEASURES
b. EV charger connectors. EV chargers shall be equipped with J1772 or J3400 connectors. Exception: Areas of parking facilities served by parking lifts, including but not limited to, automated mechanical-access open parking garages as defined in the California Building Code ; or parking facilities otherwise incapable of supporting electric vehicle charging. c. An automatic load management system (ALMS) may be used to reduce the maximum required electrical capacity to each space served by the ALMS. The electrical system and any on-site distribution transformers shall have sufficient capacity to deliver at least 3.3 kW simultaneously to each EV charging station (EVCS) served by the ALMS. The branch circuit shall have a minimum capacity of 40 amperes, and installed EV chargers shall have a capacity of not less than 30 amperes.
4.106.4.3 Electric vehicle charging for additions and alterations of parking facilities serving existing multifamily buildings, hotels and motels. When existing parking facilities are altered or new parking spaces are added to existing parking facilities, and the work requires a building permit, each parking space added or altered shall have access to either a low power Level 2 EV charging receptacle or Level 2 EV charger, unless determined as infeasible by the project builder or designer and subject to concurrence of the local enforcing agency.
Exception: Where work requiring a permit is being performed for the installation of 120-volt electrical receptacle(s) for level 1 EV charging.
4.106.4.4. Bicycle parking. Bicycle parking shall comply with Sections 4.106.4.4.1 through 4.106.4.4.3.
4.106.4.4.1 Short-term bicycle parking for multifamily buildings, hotels and motels. Provide on-site bicycle parking at a ratio of one parking space for every 10,000 square feet, but not less than two spaces. Short-term bicycle parking shall be located within 200 feet of building entrances, and readily visible to passers-by. Acceptable parking facilities shall be conveniently accessed from the street and may include, but not be limited to:
- Permanently anchored bicycle parking devices, racks, or lockers in an unsheltered, open area.
- Covered or uncovered enclosures with permanently anchored bicycle parking devices or racks.
4.106.4.4.2 Long-term bicycle parking for multifamily buildings. Provide on-site bicycle parking at a ratio of one parking space for every two dwelling units. Acceptable parking facilities shall be conveniently accessed from the street and may include, but not be limited to:
- Covered, lockable enclosures with permanently anchored bicycle parking devices or racks.
- Lockable bicycle storage rooms with permanently anchored bicycle parking devices or racks.
- Lockable, weatherproof, permanently anchored bicycle lockers.
4.106.4.4.3 Long-term bicycle parking for hotel and motel buildings. Provide one on-site long-term bicycle parking space for every 25,000 square feet, but not less than two. Acceptable parking facilities shall be conveniently accessed from the street and may include, but not be limited to:
- Covered, lockable enclosures with permanently anchored bicycle parking devices or racks.
- Lockable bicycle storage rooms with permanently anchored bicycle parking devices or racks.
- Lockable, weatherproof, permanently anchored bicycle lockers.
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Frequently asked questions
Who decides if an exception applies (e.g., local utility can't provide power)?
The local enforcing agency reviews and may determine compliance is not feasible for the listed reasons in § 5.106.5.4 (no utility supply, inadequate utility capacity, or disproportionate infrastructure cost).
If I only replace parking lot lighting and trenching is not required, must I add EV infrastructure?
No — one of the explicit exceptions to § 5.106.5.4 is parking area lighting upgrades where no trenching is part of the scope of work.
Do I have to install accessible EVCS?
Yes — when you install EVSE the accessible EVCS provisions in CBC § 11B-228.3 apply to the new equipment.
Can I use an automatic load management system (ALMS) to reduce required electrical capacity?
Yes. Section 5.106.5.3 allows ALMS and provides how required per-space capacity may be reduced when ALMS is used (ALMS must still meet minimum delivery criteria).
Do I have to meet the Table 5.106.5.3.6 kVA targets, or can I use per-space EV capable counts?
You may use either approach — the EV-capable / EVCS tables in Section 5.106.5.3 (Table 5.106.5.3.1) or the power-allocation method in Section 5.106.5.3.6 (Table 5.106.5.3.6). The project must comply with one of those methods when required under § 5.106.5.4.
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