(a) For purposes of this section, the following terms have the following meanings:

1. (1) “Emergency standby generator” means a stationary generator used for the generation of electricity that meets the criteria set forth in paragraph (29) of subdivision (a) of Section 93115.4 of Title 17 of the California Code of Regulations.
2. (2) “Local agency” means a city, county, or city and county.
3. (3) “Macro cell tower site” means the place where wireless telecommunications equipment and network components, including towers, transmitters, base stations, and emergency powers necessary for providing wide area outdoor service, are located. A macro cell tower site does not include rooftop, small cell, or outdoor and indoor distributed antenna system sites.

(b) Notwithstanding any law affecting local permitting, an emergency standby generator proposed to be installed to serve a macro cell tower site shall be a permitted use and a local agency shall review an application to install such emergency standby generator on an administrative, nondiscretionary basis if it meets all of the following requirements:

1. (1) The emergency standby generator is rated below 50 horsepower, compliant with applicable air quality regulations, has a double-wall storage tank, not to exceed 300 gallons, and is mounted on a concrete pad.
2. (2) The macro cell tower site at which the emergency standby generator is proposed to be installed is an existing site that was previously permitted by the applicable local agency.
3. (3) The emergency standby generator complies with all applicable state and local laws and regulations, including building and fire safety codes.
4. (4) The physical dimensions of the emergency standby generator and storage tank are cumulatively no more than 250 cubic feet in volume.
5. (5) The emergency standby generator shall be located not more than 100 feet from the physical structure of the macro cell tower or base station.

(c) A local agency that receives a permit application to install an emergency standby generator that meets the requirements in subdivision (b) shall approve or deny the application within 60 days of submittal of the application, subject to both of the following:

1. (1) If, within 10 days of submission, the local agency notifies the applicant in writing that the application is incomplete, then the 60-day period shall be suspended. If the application is determined not to be complete, the local agency’s determination shall specify those parts of the application that are incomplete and shall indicate the manner in which they can be made complete, including a list and thorough description of the specific information needed to complete the application. In any subsequent review of the application determined to be incomplete, the local agency shall not request the applicant to provide any new information that was not stated in the initial list of items that were not complete. Upon receipt of any resubmittal of the application, a new 60-day period shall begin, during which the local agency shall determine the completeness of the application.
2. (2) The local agency shall not require any new or different information for the permit applications than it routinely requires for applications for other emergency standby generators.

(d)

1. (1) A completed application that the local agency has not approved or denied within 60 days of receiving the application or upon expiration of any tolling period shall be deemed approved.
2. (2) This section does not prohibit a local agency from revoking, through the appropriate process, the permit or approval status for an emergency standby generator that is determined to violate an applicable state or local law or regulation, including building and fire safety codes, or from otherwise enforcing state and local law with respect to the emergency standby generator.