According to US media reports on May 15, 2024, a fire broke out at the OTAY MESA Gateway energy storage power station in southern San Diego, California at 3:45 p.m. local time. After more than a day, the fire was controlled at 5:30 p.m. on Thursday. Toxic smoke and hydrogen from the fire forced nearby businesses to evacuate and Donovan state prisons to take shelter in place.
| IFC 2018-2021-2024 International Fire Code-Chapter 12 Energy Storage System IRC 2018-2021 Residential Code-R327 Energy Storage Battery |
 | NFPA 1:2018 Fire Code-Chapter 52 Energy Storage System NEC: 2020 American Electrotechnical Act-Article 480 Energy Storage Battery/706 Energy Storage System NFP855:2020-2023 Fixed Energy Storage System Installation Standard |
 | UL 9540:2022 Energy Storage Battery Safety Standard UL 1973: Safety Standard for 2023 Energy Storage Systems and Devices UL 9540A: Test Method | for Thermal Runaway Spread of 2022 Energy Storage Systems
the test report shall be accompanied by a supplementary report prepared by a registered fire protection design professional explaining the test data relevant to the ESS installation requirements.
NFPA 70 National Electric Code
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ANSI/CAN/UL 9540: 2020 Safety of Energy Storage Systems and Equipment Energy Storage System Safety;
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ANSI/CAN/UL 1973: ANSI/CAN/UL-1973:2018, Batteries for Use in Stationary, Vehicle Auxiliary Power and light Electric Ralil(LER)Applications energy storage battery safety;
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International Fire Code (lFC): 2018 /NFPA 1 Fire Code: 2018NFPA 855: 2020 Standard for the installation of Stationary Energy Storage Systems Energy Storage System Installation;
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ANSI/CAN/UL 9540A: 2019 $tandard for Test Method for Evaluating Thermal Runaway fire Propagation in Battery EnergyStorage systems energy storage battery thermal runaway evaluation method;
