ECC-Providers - Energy Code Compliance Program

ECC-Providers - Energy Code Compliance Program
ECC-Providers - Energy Code Compliance Program
The Energy Code Compliance (ECC) Program is administered by ECC-Providers that must be approved by the CEC to conduct the duties specified in the 2025 Energy Code, which include training and oversight of ECC-Raters and operation of a residential data registry. All ECC-Provider responsibilities are given in Section 10-103.3 of the 2025 Energy Code and in the 2025 Reference Appendices.
Please subscribe
to receive program-related announcements sent to the Building Energy Efficiency Standards subscription topic.
This page contains the following sections:
ECC-Providers
ECC-Provider Application Process and Guidance
ECC-Provider listings specify the scope of approval and the ECC-Provider's data registry capabilities.
ECC-Providers
California Home Energy Efficiency Rating Services (CHEERS)
CHEERS
was approved by the CEC on November 12, 2025, to certify and oversee ECC-Raters who conduct field verification and diagnostic testing to demonstrate 2025 Energy Code compliance for projects in:
Newly constructed single-family and multifamily buildings.
Additions to existing single-family homes and multifamily dwelling units.
Alterations of single-family homes and multifamily dwelling units.
Efficiency measures in dwelling units and mechanical systems in nonresidential buildings.
CHEERS was also approved to train and certify ECC-Rater Companies and to provide its external digital data source (EDDS).
CHEERS operates a residential data registry for generating 2025 Energy Code compliance documentation. The registry is also approved for 2013, 2016, 2019, and 2022 Energy Code documentation registration.
Exclusions:
2022 and 2025 low-rise multifamily (LRMF) certificates of compliance (LMCC) for prescriptive new construction, additions, and alterations, plus the associated certificate of installation (LMCI) for prescriptive new construction mechanical systems.
Report a concern about a CHEERS-certified rater on
CHEERS
ECC-Provider Application Information and Resources
2025 Code Cycle ECC-Provider and Data Registry Application Submittal
ECC-Provider applications may be
electronically filed
to
CEC Docket Log 25-BSTD-01
Prospective ECC-Providers are encouraged to review the 2025 Energy Code Compliance Provider Application Guide. The guide addresses application preparation, submission, evaluation, and approval
Reports and Notices
2025 Energy Code Compliance Provider Application Guide
Prospective ECC-Providers are encouraged to review the 2025 Energy Code Compliance Provider Application Guide. The guide addresses application preparation, submission, evaluation, and approval.
ECC-Provider application guide
(publication CEC-400-2025-012).
ECC-Provider and Residential Data Registry application checklist
– Excel Spreadsheet.
2022 Approval Process for Use of an External Digital Data Source
2022 External Digital Data Source (EDDS) Checklist for Applicants
Provider Applications
California Home Energy Efficiency Rating Services (CHEERS)
Notice of Public Comment Period
for the CHEERS ECC-Provider and Data Registry Applications
Executive Director Recommendation
to Approve the CHEERS ECC-Provider and 2025 Energy Code Data Registry Applications.
Order for approval
(Order Number 25-1112-006)
National Energy Testing Institute, Inc. DBA Golden State Registry (GSR)
Public and confidential filings
No staff reports or notices at this time.
Information on e-filing and e-commenting
Information on e-filing and e-commenting at the California Energy Commission
For confidential e-filings refer to page 25
For questions on e-filling, please contact the
Dockets Unit
To contact ECC Program staff, please email
SCO@energy.ca.gov
Contact
Standards Compliance Branch
SCO@energy.ca.gov
Related Links
ECC Program
2025 Energy Code
ECC-Provider Application Docket Log 25-BSTD-01
Building Energy Efficiency Standards
Categories
Topic
Efficiency
Division
Efficiency
Program
Energy Code Compliance Program
Contact
California Energy Commission
715 P Street
Sacramento, CA 95814
Directions
Language Services
Careers
Come be part of creating a clean, modern and thriving California.
Learn more about Careers
Campaigns
Register to Vote
Be Counted, California
Energy Upgrade California
Save Our Water