The first edition of UL 1487, the Standard for Battery Containment Enclosures, was published on February 10, 2025, by UL Standards & Engagement as a binational standard for the United States and Canada. ection of a battery installation by an inspector. These are the National Electrical Code (NEC/NFPA 70)1 and the Standard for Ele trical Safety in the Workplace (NFPA 70E)2. This document offers a curated overview of the relevant codes and standards (C+S) governing the safe deployment of utility-scale battery energy storage. The battery rooms must be adequately ventilated to prohibit the build-up of hydrogen gas. It can include (but is not limited to) batteries, capacitors, and kinetic energy devices (e., flywheels and compressed air). Several of these systems can have AC or DC output for utilization.