This table includes all existing state energy storage procurement mandates, targets, and goals. The 2025 code cycle of Title 24, also known as California Building Standards Code, will be effective beginning January 1, 2026. This technical bulletin provides an update on solar and storage installation compliance requirements in Part 6, California Energy Code, as well as CSU-specific reporting. Solar and battery storage are set to account for 79% of 86 GW of new utility-scale capacity planned in the United States in 2026, marking the largest annual increase in more than two decades, according to US federal data. From pv magazine USA Project developers and utility operators are preparing. The Building Energy Efficiency Standards (Energy Code) include requirements for solar photovoltaic (PV) systems, solar-ready design, battery energy storage systems (BESS), and BESS-ready infrastructure. A solar PV system is prescriptively required for all newly constructed buildings.
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