16th Annual California Climate and Energy Collaborative Forum.
- San Jose
The CCEC Forum brings together several hundred local government staff, elected officials, and community organizations, to collaborate and learn from each other as they work to advance fair and equitable climate change and energy practices.
More Info3C-R3C-REN training: Multifamily: Energy Code Implementation Series, with 2025 Code Updates
- Webinar
This series focuses on current best practices for implementation of energy strategies, as well as what’s around the corner with the new code that will take effect Jan. 1, 2026. With particular focus on the Central Coast region, in this session we’ll discuss on what to include in construction documents to streamline the permitting process and tips for construction to ease signoffs and occupancy for multi-family buildings.
More InfoI-REN C&S Training: Financials of Solar and Storage
- Webinar
This class will give attendees the ability to evaluate solar decisions for their own projects with the same financial metrics used in business. The basic mechanics of solar and storage will be covered, and the course will review the Title 24 requirements around both solar installation and battery storage.
More InfoPast Events
12th Annual Driving Mobility Event
- UCI Beall Applied Innovation @ the Cove 5270 California Ave, # 100, Irvine, CA 92617
This Sustain SoCal event, focused on sustainable transportation solutions, will include a professional program and extensive clean vehicle expo. Topics will include autonomous vehicles, EV battery recycling, vehicle to grid, fuel cell vehicles, and micro-transport.
More InfoADU: Energy Code Implementation Series, with 2025 Code Updates
This 3C-REN series focuses on current best practices for implementation of energy strategies, as well as what’s around the corner with the new code that will take effect Jan. 1, 2026. This session focuses on ADUs.
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 InfoCalifornia Policy Call
- Online
Building Decarbonization Coalition invites you to join them for their monthly discussion of building decarbonization policy in California! Learn about legislation, regulation, and what’s on the climate policy horizon as the coalition works to advance neighborhood-scale decarbonization, statewide healthy air standards, and energy affordability.
More InfoBuilding for Health: Where Public Health and Energy Policy Intersect
- Online
This BayREN Regional Forum will feature speakers who work at the intersection of public health and energy, with the shared the goal of creating sustainable and healthy buildings in our communities.
More InfoWeathering the Change: Climate Resilience Strategies & Solutions
- San Diego Made Factory 2031 Commercial Street San Diego, CA 92113
This event features a panel of key players at the forefront of climate resilience work, who will present their own projects and initiatives, offering firsthand insights into how resiliency is being integrated into real-world applications across the San Diego community.
More Info2025 California Building Energy Code Updates: Impacts on Electrification & Passive House
This course will provide an overview of how the 2025 California Title 24, Part 6 code addresses Passive House concepts. It will look at basic Passive House principles, methodology, and performance targets, focusing on electrification goals and how they relate to the California code updates. The class will illustrate the goals, strategies, and results with California case studies.
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 InfoI-REN C&S Forum: The State of Compliance Ahead of 2025 Energy Code Updates
- Webinar
A diverse set of speakers, representing both government and private sectors, will discuss the 2025 Energy Code updates, permitting and compliance rate studies, and resources to help improve compliance.
More InfoCalifornia Green Building Conference 2025
- San Francisco
California’s leading green building conference, where green building pros, sustainability rockstars, and change-makers from across the state come together under one roof.
More InfoBuilding Decarbonization Coalition: California Policy Call
- Webinar
Join us for our monthly discussion of building decarbonization policy in California! Learn about legislation, regulation, and what’s on the climate policy horizon as our coalition works to advance neighborhood-scale decarbonization, statewide healthy air standards, and energy affordability.
More Info2025 USGBC Local Government Leadership Summits
- Santa Monica
This half-day convening will provide a platform to share the recently updated LEED for Cities rating system and engage local leaders in our organization’s diverse programs. Consider attending if you are local government staff, including city and county planners, sustainability and resilience teams, building and facility managers, city/county managers, board and commission members, and elected officials; regional government agency staff; local NGOs that work with cities and counties; consultants that engage with local governments in the region; students and emerging professionals; USGBC members.
More InfoAgriculture, Food Systems & Waste Stream Innovations
- UCI Beall Applied Innovation Irvine CA
Join Sustain SoCal to discuss agtech advancements related to soil health and water use, hear about local farm to table initiatives, discover how we can shift waste sorting behaviors, and learn what innovations lie in secondary markets.
More InfoBuilding for the Future: Integrating Fire Resilience with Energy Efficiency in High-Performance Design
- Webinar
This NBI webinar offers an in-depth exploration of the intersection between fire safety and energy efficiency in modern buildings. Hear from experts who will share case studies, actionable strategies, and the latest research on how to create buildings that are not only safer but also part of the climate solution.
More InfoBayREN C&S Training: Heat Pump Water Heaters for Building Departments
- Webinar
Heat pump water heaters (HPWHs) are an increasingly popular technology that are a highly efficient means of providing hot water to houses. This training will describe HPWHs, code requirements for HPWHs, resources for permitting and compliance, and best practices for enforcement.
More Info3C-REN Webinar: Practical Ways to Address Embodied Carbon
- Webinar
Embodied Carbon, the term that identifies the collective impacts of extracting, manufacturing and transporting building materials, is appearing on everything from requests for proposals to the next round of the building code. In this course we’ll provide practical approaches to reducing embodied carbon in residential and commercial projects.
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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