PAS 63100:2024 - Battery Design

PAS 63100:2024 has been written to help installers manage the fire related hazards associated with Battery Energy Storage Systems (BESS) [3].

Specifies requirements for fire safety in the installation of small BESS units in domestic dwellings [1]:

physical requirements for battery units
battery management
power conversion equipment
fault management and fail-to-safe operation of all control and monitoring functions
installation location in respect of
- safety and external influences that affect fire safety
- protection against fire

Disclaimer: this is not a definitive guide, just an indication and it is important that you always go back to the source for legislation.

SolarKinetics note [2] that batteries should not be installed in any of the following locations:

Rooms intended for sleeping.
Routes used as a means of escape that are not defined as protected escape routes, including landings, staircases, and corridors.
Corridors, shafts, stairs, or lobbies of protected escape routes.
Firefighting lobbies, shafts, or staircases.
Storage cupboards, enclosures, or spaces opening into rooms intended for sleeping.
Outdoors (ground-mounted or wall-mounted in a suitable enclosure) within 1m of escape routes, doors, windows, or ventilation ports.
Voids, roof spaces or lofts.
Within 2m of stored flammable materials and fuel storage tanks or cylinders.
Cellars or basements that have no access to the outside of the building.

See also: GB/T 36276-2023