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. However, even if a building will not install a PV system, typically due to an exception, it must still meet mandatory solar-ready requirements to ensure the building is prepared for a future PV installation. Battery energy storage systems (BESS) are prescriptively required for newly constructed nonresidential and high-rise multifamily buildings. These systems support load flexibility by allowing buildings to store and use their own energy. Newly constructed single-family homes that will not install a BESS, must meet mandatory BESS-ready requirements to ensure the necessary infrastructure is in place to allow for a more cost-effective BESS future installation.
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Multifamily
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- 2025 Low-rise Multifamily Solar PV
- 2025 High-rise Multifamily Solar PV
- 2025 High-rise Multifamily Battery Energy Storage Systems (BESS)
Nonresidential
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Single-Family
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Fact Sheets
- Single-family and Low-rise Multifamily Solar and Battery Systems 2022 - Energy Code Ace document
- Residential Electric Readiness 2022 - Energy Code Ace document
Multifamily
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- 2022 Low-rise Multifamily Solar PV
- 2022 High-rise Multifamily Solar PV
- 2022 High-rise Multifamly Battery Storage Systems
Nonresidential
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- Nonresidential and High-rise Multifamily Solar and Battery Systems 2022 - Energy Code Ace document
Residential and Nonresidential
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Residential
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Nonresidential
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