Which products does Massachusetts D.P.U. 25-48 affect?

Massachusetts D.P.U. 25-48 affects Residential energy storage systems, Commercial and utility energy storage systems, and Interconnection devices.

Massachusetts

D.P.U. 25-48

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

What does Massachusetts D.P.U. 25-48 do? Revised the model interconnection tariff that each utility's own tariff follows. As proposed, it raised the Simplified Process limit from 15 kW to 25 kW and opened faster review paths to storage.

Facts

Kind: Commission order
Status: Adopted
Stage: In force
Signed or decided: February 10, 2026
Topics: Interconnection
Products: Residential energy storage systems Commercial and utility energy storage systems Interconnection devices
Source: Massachusetts Department of Public Utilities (opens in a new tab)

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