Installation Codes and Requirements for Energy

An FAQ overview of US installation codes and standard requirements for ESS, including the 2026 edition of NFPA 855 and

2025 Sep 18

Code Compliant Connection of Portable and

This free report provides guidance for the safe installation and use of portable/movable battery energy storage systems (BESS).

2024 Oct 11

U.S. Codes and Standards for Battery Energy Storage Systems

This document offers a curated overview of the relevant codes and standards (C+S) governing the safe deployment of utility-scale battery energy storage systems in the United States.

2024 Apr 07

New standard for portable energy storage

novel portable energy storage technology, which carries energy using hydrogen, is an innovative energy storage strategy because it can store twice as much energy at the same 2.9 L level as

2025 Nov 10

Harmonizing Safety and Performance: How the UL Enterprise

As the world accelerates toward a cleaner and more sustainable energy future, battery energy storage systems (BESS) have emerged as a cornerstone of the energy transition.

2024 Apr 22

Mobile Energy Storage Systems

The scope of NFPA 855 states that it applies to "mobile and portable energy storage systems installed in a stationary situation." It also goes on to mention that the storage

2024 Feb 17

The Ultimate Guide to NFPA and UL Standards for Portable ESS

Portable energy storage systems sit at the intersection of battery safety, electrical codes, and practical Lithium handling. This piece shows how NFPA and UL standards fit

2025 Aug 02

CPUC Sets New Safety Standards and Enhances Oversight of

The CPUC modified General Order 167, which currently provides a method to implement and enforce maintenance and operation standards for electric generating facilities,

2025 Oct 05

Installation Codes and Requirements for Energy Storage

An FAQ overview of US installation codes and standard requirements for ESS, including the 2026 edition of NFPA 855 and updates to UL 9540A.

2024 Oct 14

A Comprehensive Guide: U.S. Codes and Standards for

As one gains understanding of the increasing number of new battery chemistries, and the associated risk factors, it is hard to justify maintaining an outdated Code base unless that

2025 Apr 17

Are Portable Power Packs Certified as Energy Storage Systems

The appropriate certification standard for battery energy storage systems is ANSI/CAN/UL 9540, the Standard for Safety for Energy Storage Systems and Equipment.

2025 Jun 05