SkyBox and Radian Attestation

Inverter Manufacturer Attestation Form
Phase 3 Functions 1 and 8
Instructions
California Public Utilities Commission (CPUC) Resolution E-5000 requires Generating
Facilities
1
utilizing inverter-based technologies for which an Interconnection Request is
submitted on or after January 22, 2020, to comply with Rule 21 Section Hh Monitoring
and Telemetry requirements (Function 1) and Scheduling capability requirements
(Function 8).
2
For inverter-based Generating Facilities requesting interconnection with a
Distribution Provider’s
2
electricity grid on and after January 22, 2020, this manufacturer
attestation will serve as sufficient evidence of compliance with:
Phase 3 Function 1 (Monitor Key Data) until 18 months after the publication of a
nationally recognized test procedure
3
containing Phase 3 Function 1.
5
After this
time period, the function shall be testing according to prescribed procedures.
Phase 3 Function 8 (Scheduling) until 12 months after the publication of a
nationally recognized test procedure
4
containing Phase 3 Function 8.
5
After this time
period, the function shall be testing according to prescribed procedures.
Manufacturers may submit this attestation form to the California Energy Commission
(CEC), as evidence to the Distribution Provider of inverter compliance with the Phase 3
Functions 1 and 8 requirements. To prevent a disruption in the interconnection process,
it is recommended to allow the CEC at least 30 to 45 days to review the information and
add the equipment to the approved inverter list. Manufacturers should consider the
compliance requirement of January 22, 2020, when submitting this attestation form to the
CEC.
The completed form must be submitted to the CEC in accordance with the instructions
that will be provided in the Inverter Listing Request Instructions located on the CEC
website at: https://www.gosolarcalifornia.org/equipment/inverters.php
For additional questions, contact the CEC Solar Equipment Call Center at:
Email: solarequipment@energy.ca.gov
Phone: (916) 654-4120
Where a communications interface is required for the DER site by the Distribution
Provider, the Distribution Provider’s commissioning test procedure may specify
commissioning checks of the communications and attested functions.
1
Terms with initial capitalization that are not defined herein shall have the meanings specified in Rule 21
of each utility to whom this attestation is submitted, respectively.
2
Resolution E-5000, issued July 11, 2019,
at Ordering Paragraph 10.
2
Distribution Provider is an investor-owned electric utility regulated by the California Public Utilities
Commission: Pacific Gas & Electric Company, Southern California Edison, and San Diego Gas & Electric
Company.
3
UL1741 updated, approved, and published with IEEE1547.1-2020 testing requirements.
5
Resolution E-5000, issued July 11, 2019, at Ordering Paragraph 7.
4
UL1741 updated, approved, and published with IEEE1547.1-2020 testing requirements.
5
Resolution E-5000, issued July 11, 2019, at Ordering Paragraph 8.

Summary of content (4 pages)