Is Massachusetts 780 CMR 51.00 in force?

Yes. In force from Oct 11, 2024.

Which products does Massachusetts 780 CMR 51.00 affect?

Massachusetts 780 CMR 51.00 affects Residential energy storage systems and Solar PV.

When does Massachusetts 780 CMR 51.00 take effect?

The effective date on file is October 11, 2024.

780 CMR 51.00

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

What does Massachusetts 780 CMR 51.00 do? Requires home energy storage to get building permits and inspections, follow the state electrical code, and have smoke and carbon monoxide alarms. Requires solar electrical work under the state electrical code and allows alternative ridge setbacks in sprinklered homes.

Facts

Kind: Code amendment
Status: In force
Stage: In force
Signed or decided: October 11, 2024
Effective: October 11, 2024
Topics: Fire protection and siting, Permitting
Products: Residential energy storage systems Solar PV
Source: Board of Building Regulations and Standards (opens in a new tab)
Citation: Residential code chapter 3, tenth edition

The state’s codes

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

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