Upcoming Events
Getting to Zero Forum
- Civic Hall 124 E 14th St, New York, NY
This fall, GTZ Forum 2026 will bring together hundreds of public- and private-sector leaders to advance high-performance buildings that support people, communities, and the planet.
More InfoBayREN C&S Training: 2025 Code Updates - Multifamily
- Webinar
This course will provide an overview of the 2025 Energy Code changes for multifamily buildings, including changes to mandatory measures and performance and prescriptive requirements.
More InfoHeat Pump Water Heater Permitting
- Webinar
Join New Buildings Institute for a webinar highlighting best practices and strategies for simplifying and accelerating HPWH permitting processes.
More Info5th Annual Regional Sustainability Summit
- Martis Camp Truckee, CA
This theme of this year’s Nevada County Summit is Rural Prosperity in a Changing Climate. Our speakers will share out and discuss how climate change is reshaping the economic future of our rural communities, highlighting its impacts on agriculture, natural resources, local businesses, tourism, the outdoor recreation economy, and workforce resilience.
More InfoNet Zero Conference
- Los Angeles Convention Center, South Hall
13th annual convening of climate leaders to re-envision the built environment and inspire a net zero future.
More Info2025 Energy Code Roundtable for Building Departments
- Webinar
This CCR REN series focuses on areas of energy code compliance that are often challenging for building departments, either at plan review or field inspection or both. The October focus is reading and Using CF1R’s, CF2R’s and CF3R’s – help identify what to look out for on each of the forms and how to communicate effectively with contractors and design professionals.
More InfoEnergy Code Compliance Verification (formerly HERS) – HVAC, DHW, and IAQ
- Webinar
In this 3C-REN training, the session will cover what architects and builders need to know to successfully integrate ECC measures into design and construction related to HVAC and indoor air quality.
More InfoResilient California Summit
- SAFE Credit Union Convention Center Sacramento CA
This inaugural event will convene people from across the state to make progress on the policies, partnerships, and practices needed to build resilience as climate change accelerates.
More Info17th Annual Sustain SoCal Energy Event
- UCI Beall Applied Innovation Irvine CA
Sustain SoCal’s 17th Annual Energy Event brings together leaders from across the energy ecosystem to examine what it will take to build a more reliable, affordable, resilient and sustainable energy future.
More InfoPast Events
Large Building Electrification: Strategies for Commercial Retrofits
- Webinar
Join USGBC California for a practical discussion on electrifying large commercial building systems, featuring perspectives from an engineering firm, a sustainability advisor, and a leading HVAC manufacturer. Together, the panel will explore today's market-ready technologies, the realities of retrofitting existing buildings, and the key considerations for planning successful projects.
More Info20th Annual LABC Sustainability Summit
- Town and Gown, University of Southern California (USC)
The Summit will examine how California can sustain two decades of climate and economic leadership by advancing policies that drive market innovation; strengthening regional energy markets and grid reliability; modernizing water infrastructure for climate resilience and attracting the investment needed to grow its digital, advanced mobility, and commercial space economies.
More InfoI-REN C&S Forum: California's Energy-Water Nexus: How the Building Energy Code is Shaping Water Efficiency
- Webinar
Join I-REN for a no-cost, virtual forum exploring the energy-water nexus and opportunities to improve water and energy efficiency across the Inland Empire. Speakers will discuss topics including heat pump water heater performance in hot climates, hot water distribution requirements, energy code considerations, and local water and energy priorities.
More Info2026 Electric Program Investment Charge (EPIC) Symposium
- Remote Access or In-Person
Join and discover the latest technologies, innovations, and research in the EPIC portfolio, and meet the people making it all happen. The symposium will feature exciting panel discussions with clean energy leaders, policy makers, researchers, and entrepreneurs focused on energy equity and affordability, battery safety, energy storage advancements, next-generation vehicle charging, large building decarbonization, and more!
More InfoBayREN Regional Forum: Appliance Rules: Preparing Local Governments and Communities for a Clean Transition
- Webinar
As the Bay Area transitions to zero-NOx water and space heaters, local government staff are on the front lines of compliance and community education. Tailored specifically for municipal staff and regional stakeholders, this forum will delve into the Bay Area Air District’s Rule 9-6 for water heaters and what local governments need to know.
More InfoGreen California Summit
- Pasadena Convention Center Pasadena CA
Celebrating 20 years of facilitating the implementation of green and sustainable solutions efficiently and effectively to help achieve California’s sustainability goals.
More InfoCABEC Annual Conference
- Sheraton Sonoma Wine Country Petaluma CA
Join CABEC down the road on its California Dreamin’ Tour as they continue to lead the way in decarbonizing the built environment, and Title 24 Energy Code. From the CA Energy Commission and Public Utilities Commission to Local Building Departments and Third-Party Certifiers, industry leaders are counting on Energy Consultants to help steer the shift and keep progress moving forward.
More InfoI-REN C&S Training: Navigating Energy Code Resources
- Webinar
This class will cover the documents and programs available for energy code stakeholders, so they can make the most efficient use of their time navigating the energy code AND get the correct answers. The session will cover Energy Code Ace, the California Energy Commission site, the Codes & Standards program, the Local Energy Codes site, and more. This is a great course for building departments, energy consultants, architects and designers, product manufacturers, and regulators to learn where to look for answers.
More InfoNew Buildings Institute: Marketing and Lead Generation for Electrification
- Webinar
Join this one-hour webinar to explore practical marketing and lead-generation strategies for businesses and organizations advancing electrification solutions.
More InfoCCR REN 2026 FORUM—Easing Energy Code Compliance: Four Industry Perspectives
- Webinar
In this Regional Energy Forum, participants will hear directly from an architect, plans examiner, builder, and inspector about the real-world challenges they encounter when navigating California’s Energy Code. From plan check corrections and difficult-to-read forms to last-minute field changes, limited inspection time, and equipment that doesn’t match the plans, presenters will explore where things break down and what each role wishes the others understood. Attend for a candid conversation about practical ways to improve communication, coordination, and Energy Code compliance from plans through construction.
More Info3C-REN Training: 2025 Energy Code: Multifamily Ventilation
- Webinar
Indoor Air Quality (IAQ) is an important part of supporting Health & Safety for multifamily dwelling units, and the 2025 Energy Code establishes new Mandatory requirements for IAQ ventilation in multifamily buildings. Additional prescriptive standards now also apply to multifamily IAQ in support of energy efficiency and Health & Safety. Join 3C-REN for this 1-hour session in which they will dive into the equipment and testing requirements for multifamily dwelling unit IAQ and local exhaust systems (such as kitchen range hoods).
More InfoResults for 2025 Multifamily Cost-Effectiveness Studies
- Webinar
Join the Local Energy Codes technical team as they present the results for both the Multifamily New Construction and Alterations cost-effectiveness analyses during this webinar.
More InfoSingle Family New Construction Cost-Effectiveness Study Results
- Webinar
Join us as the Statewide Local Energy Codes team presents 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 single family new construction.
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.
More Info