Is Washington WAC 51-51-0328 in force?

Yes. In force from Mar 15, 2024.

Which products does Washington WAC 51-51-0328 affect?

Washington WAC 51-51-0328 affects Residential energy storage systems.

When does Washington WAC 51-51-0328 take effect?

The effective date on file is March 15, 2024.

WAC 51-51-0328

PartialRead in the state’s own source. It stays partial until the passage is on file word for word.

What does Washington WAC 51-51-0328 do? Requires home storage systems to be Listed to UL 9540 and labeled for residential use, except systems under 1 kWh. Allows approved repurposed vehicle batteries outdoors with 5-foot spacing, and requires commissioning and handover of maintenance and decommissioning instructions.

Facts

Kind: Code amendment
Status: In force
Stage: In force
Signed or decided: March 15, 2024
Effective: March 15, 2024
Topics: Fire protection and siting, Permitting
Products: Residential energy storage systems
Source: Washington State Legislature (opens in a new tab)

The state’s codes

The codes that reach each product this law names, with the edition Washington is on. Each links to the record.

Residential energy storage systems
NEC: 2023 NEC IRC: 2021 IRC IFC: 2021 IFC NFPA 855: 2023 NFPA 855

For information only. Your local building or fire official decides which code applies. We check state records often but can miss a recent change, so confirm with your official before you design, permit, or install. Terms of use