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Momentum Q2 | 2025
The Buildings Decarbonization Coalition details developments in the second quarter of 2025, including the latest HVAC sales figures, updates on utility rate cases, prominent state policies, and a preview of the next quarter.
Split Systems: Coordinating Energy Policies for New and Existing Buildings
ACEEE and the National Energy Codes Collaborative examine conflicts and alignments between building codes and Building Performance Standards in Atlanta, St. Louis, and Seattle. The authors derive lessons for other cities to ensure policies to decarbonize new and existing buildings are measuring against similar performance metrics and minimizing unnecessary bureaucratic hurdles.
Investing in Workforce Development and Training to Improve Energy Code Implementation
ACEEE and the National Energy Codes Collaborative identify barriers to implementation of building energy codes and suggest strategies for training the workforce from project initiation to closure to overcome these barriers.
California Energy Commission Solar PV, Battery Storage, and Electric-Ready Fact Sheets for the 2022 Energy Code
The California Energy Commission has developed new solar photovoltaic (PV), battery storage, and electric ready online fact sheets to support the 2022 Energy Code. The fact sheets are available via the Online Resource Center.
California’s Cities Lead the Way on Pollution-Free Homes and Buildings
This blog summarizes the cities and counties in California that have adopted gas-free buildings commitments or electrification building codes.