2028 Cycle Timeline and Key Milestones
Statewide CASE Team Milestones
| Milestone (*denotes CEC milestone) | Tentative Dates |
| Measure identification and selection | March, 2024 – March, 2025 |
| CEC Updates Weather Files and Develops 2028 TDV* | TBD |
| Research version of CBECC with 2028 TDV and weather files available* | TBD |
| Welcome Webinars | January, 2025 |
| First Round of Utility-Sponsored Stakeholder Meetings | August – September, 2025 |
| Second Round of Utility-Sponsored Stakeholder Meetings | January – February, 2026 |
| Utilities Submit Draft CASE Reports to CEC and Publish for Review | October – December, 2025 |
| CEC-Hosted Pre-Rulemaking Workshops | August, 2025 – July, 2026 |
| Utilities Submit Final CASE Reports to CEC and Publish for Review | January – March, 2026 |
| Express Term Review | TBD |
| 45-Day Express Terms Review | Q1, 2027 |
| 15-Day Express Term Review | Q1 – Q2, 2027 |
| 2028 Title 24, Part 6 Adopted* | May, 2027 |
| 2028 Title 24, Part 11 (CALGreen) Adopted* | May, 2027 |
| California Building Standards Commission (CBSC) Approval of the 2028 Energy Code | Q4, 2027 |
| CASE Study Results Reports Complete | Q4 , 2027 |
| 2028 Compliance Manuals and ACM Reference Manuals Approved* | January – December, 2028 |
| 2028 Compliance Software Available to Public* | January – December, 2028 |
| 2028 Standards Effective* | January 1, 2029 |
Get Email Updates
The Statewide Codes and Standards Enhancement (CASE) Team periodically distributes email notifications that promote upcoming meetings, provide materials from past meetings, and update stakeholders on the progression of the California Energy Commission (CEC)’s rulemaking process. You can choose to receive measure-specific and/or general updates on these topics depending on your needs.
