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Past Events
Cities and the Environment Symposium
- University Hall, Ahmanson Auditorium Loyola Marymount University Los Angeles, California
This event is convening researchers, practitioners, and community members in Los Angeles on November 20, 2025 to celebrate past successes and future growth and collaboration. This will be a public, conference-style format that will include presentations, discussion sessions, and poster sessions. It will also include networking coffee breaks and a closing “happy hour” reception.
More InfoI-REN C&S Training: 2025 Energy Code Restructured
- Webinar
Join I-REN and the California Energy Commission to learn about the 2025 Restructured Code! The 2025 Restructured Code was created in response to industry feedback that structuring the Energy Code similarly to other Parts of Title 24 would aid in navigation and use. This “Restructured Code” reorganizes the adopted code language, but has not been formally adopted; it is for informational purposes only, to gather feedback from the industry and inform the development of the 2028 Energy Code. This presentation provides some background into its development, and insight into the new reorganization scheme. Instructor: Allen Wong from the California Energy Commission
More Info3C-REN Training: 2025 Energy Code Update for the Building Industry
- Webinar
This course provides an overview of key changes to Title 24 Part 6 Energy Code, with a focus on architects, builders, building department staff and others in the construction industry. We’ll provide background on the reasons behind the changes and impacts for projects, particularly in the Central Coast region.
More InfoBayREN C&S Training: How the Energy Code Treats Electrification
- Webinar
This course focuses on the Energy and Green Building Code for residential buildings, provides an overview of the current electrification landscape, and highlights how electric appliances are impacted by different aspects of the Building Code as well as planning and zoning.
More InfoGreenbuild International Conference + Expo
- Los Angeles
Greenbuild is a vibrant community of global green building professionals. Together we use the latest technology, materials and ideas to improve sustainability, resilience, equity, health, and wellness.
More Info3C-REN Forum: Preparing Buildings for Wildfire Resiliency in 2025 and Beyond
- Louise Lowry Davis Center 111 W. Victoria Street Santa Barbara, CA
This forum, Preparing Buildings for Wildfire Resiliency in 2025 and Beyond, will host a diverse panel of experts exploring perspectives on recent wildfire rebuilding efforts, strategies to strengthen building wildfire resiliency, and how recently adopted code updates prompted by wildfires such as AB 130 and Executive Order N-29-25 affect the current rebuilding process.
More InfoBehavior Energy and Climate Change (BECC) Conference
- Hyatt Regency, Sacramento CA
The Behavior, Energy & Climate Change (BECC) conference is the premier conference focused on understanding human behavior and decision making and using that knowledge to accelerate the transition to a low-carbon future.
More InfoExploring Nonres Building Stock with the Cost Effectiveness Explorer
- Webinar
Learn more about the latest Cost Effectiveness Explorer updates & how the new data analysis capabilities can inform reach code policymaking. Join us as the Statewide Local Energy Codes Cost Effectiveness Explorer team presents the most recent updates to the Explorer.
More InfoNonresidential Alterations Cost-Effectiveness Study Webinar
- Online
The Statewide Local Energy Codes team will present the results of the cost-effectiveness study documenting cost-effective reach code options that exceed the minimum requirements of the 2025 Building Energy Efficiency Standards for alterations to existing nonresidential buildings.
More InfoSingle-Family AC to Heat Pump Replacement Cost-Effectiveness Study
- Webinar
Statewide Local Energy Codes team presents the results of the cost-effectiveness study for an ordinance encouraging single family homeowners to install a heat pump when replacing an existing air conditioner. The team will provide an overview of the study, measure specifications and cost and savings impacts.
More Info2024 Updates to the 2022 Single Family Retrofits Cost-Effectiveness Study
- Webinar
The Statewide Local Energy Codes team presents the results of the 2024 updates to the Single Family Retrofit Cost-Effectiveness Study. Attendees will learn about the most recent cost-effectiveness analyses, both from the published report and from the updated data in the free online Cost-Effectiveness Explorer tool.
More InfoSimplified Flexible Path Policymaking with the Cost-Effectiveness Explorer
- Webinar
The Cost-Effectiveness Explorer team will present new capabilities in the free online tool that local jurisdiction staff can use to craft effective flexible path measures more easily.
More InfoResults from the 2022 Multifamily New Construction Cost-Effectiveness Study
- Webinar
This webinar will present the results from the most recent cost-effectiveness analysis for multifamily new construction, which supports the development of reach codes under the new 2022 Building Energy Efficiency Standards (effective 1/1/2023). The presenters will provide results for all packages studied across all 16 California Climate Zones (CZs).
More InfoReaching Beyond New Construction: A Panel Discussion
- Webinar
This is a panel discussion with local jurisdiction staff on existing building policy adoption. A collaboration between Building Decarbonization Coalition, BayREN, 3C-REN, California Climate & Energy Collaborative and the Statewide Reach Codes Program, this webinar is reserved for local jurisdiction staff.
More Info2025 Energy Code Cycle Stakeholder Meeting: Single Family and Multifamily
- Webinar
In this webinar, the Statewide CASE Team will introduce the audience to the Single Family and Multifamily measures that are being considered for the 2025 T24 energy code and seek to garner participation from new and existing stakeholders.
More InfoReach Codes Newcomers Webinar Series: Session 5
- Webinar
Session 5, Implementation: Monitoring reach code implementation, checklists and training, examples from specific jurisdictions, and more.
More InfoDesigning Local Policies with the Cost-Effectiveness Explorer
- Webinar
Launched in the fall of 2020 and used by 100+ local jurisdictions statewide, the Cost-Effectiveness Explorer now lets users create and visualize impacts from overarching policies at the local level. This webinar will walk through the free online tool to enable attendees a "hands-on" look at how to explore the new policy-building tools, and provide plenty of time for Q&A.
More InfoReach Codes Newcomers Webinar Series: Session 4
- Webinar
Session 4, Reach code ordinance options: Renewing existing reach codes, developing and adopting new reach codes for new and existing buildings, model ordinances, and more.
More InfoReach Codes Newcomers Webinar Series: Session 3
- Webinar
Session 3, Cost-effectiveness analyses: Introduction to terms, when an analysis is required, what makes a measure cost effective, types of inputs and considerations, how to obtain and use a cost-effectiveness analysis, energy code terms and metrics, and more.
More InfoReach Codes Newcomers Webinar Series: Session 2
- Webinar
Session 2, Reach code process & timing: The general steps of developing and drafting a reach code, including policy development, timing considerations, preparing for Council, and support resources to help you throughout the process.
More InfoReach Codes Newcomers Webinar Series: Session 1
- Webinar
Session 1, Introduction: The what and why of reach codes, including an overview of the process and timing, legal considerations, and more.
More InfoReach Codes Results: Residential Retrofits Cost-effectiveness Webinar
- Webinar - Online
Please join us for a presentation on the results of our newly-completed analysis of residential retrofit measures and measure packages. A preliminary cost-effectiveness study on existing residential building upgrades was published by the statewide Codes & Standards team in February 2020. At that time, the research team identified a range of additional options that merited further study. These include: Revisiting base case assumptions Exploring additional HVAC upgrade options Evaluating additional building envelope improvements Assessing lighting: luminaire replacements in addition to lamp replacements Evaluating electrification and electrification-ready measures at equipment change-out Considering the effectiveness of PV system installation when building an addition Requiring additional efficiency upgrades when installing PV Study authors will present their findings and answer participant questions on all the measures and measure packages analyzed.
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