What is D.P.U. 26-20/26-21/26-22 about?

It's an investigation of AMI data access protocol implementation plans submitted by Eversource, National Grid, and Unitil under the 2024 clean energy law.

Which companies are involved in this D.P.U. proceeding?

NSTAR Electric (Eversource), Massachusetts Electric and Nantucket Electric (National Grid), and Fitchburg Gas and Electric Light (Unitil).

Will this affect my access to meter data?

Potentially — the proceeding reviews protocols that govern how customers and third parties access AMI data, which could change access rules and protections.

Public Hearing Notice (D.P.U. 26-20/26-21/26-22)

Official courthouse record · Indexed in NoticeRegistry archive · AI-enriched for research

Affects:General PublicGovernment AgenciesProperty Buyers

The Massachusetts Department of Public Utilities is investigating AMI (advanced metering) data access protocol implementation plans submitted by four electric distribution companies under the 2024 clean energy law. The proceeding will determine whether the companies' proposals meet statutory requirements and protect ratepayers.

Key Takeaways

D.P.U. docket numbers: 26-20, 26-21, 26-22
Investigation into AMI data access protocol implementation plans
Responding EDCs: Eversource, National Grid, Unitil
Purpose: ensure compliance with 2024 clean energy law provisions
Outcome could affect meter data access and ratepayer protections

Published: May 10, 2026 · 1 week ago
Category: Public Hearing
Case #: D.P.U. 26-20/26-21/26-22

View full case dossier

All filings for #D.P.U. 26-20/26-21/26-22 with AI case analysis

What to do next

1
Check D.P.U. docket for filings and schedules
Review docket D.P.U. 26-20/26-21/26-22 on the Department of Public Utilities website for hearings, comments, and deadlines.
2
Submit comments or participate
If you want to weigh in, follow the docket's public comment and hearing procedures listed on the D.P.U. case page.

Frequently asked questions

What is D.P.U. 26-20/26-21/26-22 about?: It's an investigation of AMI data access protocol implementation plans submitted by Eversource, National Grid, and Unitil under the 2024 clean energy law.
Which companies are involved in this D.P.U. proceeding?: NSTAR Electric (Eversource), Massachusetts Electric and Nantucket Electric (National Grid), and Fitchburg Gas and Electric Light (Unitil).
Will this affect my access to meter data?: Potentially — the proceeding reviews protocols that govern how customers and third parties access AMI data, which could change access rules and protections.

The suggestions and answers above are AI-generated for general information only. They can be wrong, and we don't take responsibility for their accuracy. Talk to a qualified professional before acting on them.

Legal terms in this notice

Advanced Metering Infrastructure (AMI): Electronic meters and systems that record and transmit electricity usage data.
Data access protocol: Rules and technical methods that govern how meter data is shared and accessed.
EDC: Electric Distribution Company — the utility that delivers electricity to customers.

Full Notice Text

D.P.U. 26-20/26-21/26-22 April 7, 2026
Investigation by the Department of Public Utilities on the Advanced Metering Data Access Protocol Implementation
Plan and Related Proposals Submitted by NSTAR Electric Company d/b/a Eversource Energy, Massachusetts Electric
Company and Nantucket Electric Company d/b/a National Grid, and Fitchburg Gas and Electric Light Company d/b/a
Unitil Pursuant to an Act Promoting a Clean Energy Grid, Advanced Equity, and Protecting Ratepayers, St. 2024,
c. 239, §§ 79, 127, 128.
On February 18, 2026, NSTAR Electric Company d/b/a Eversource Energy (“NSTAR Electric”), Massachusetts Electric
Company and Nantucket Electric Company,each d/b/a National Grid (“National Grid”),and Fitchburg Gas and Electric
Light Company d/b/a Unitil (“Unitil”) (together, the electric distribution companies “EDCs”) each submitted for ap-
proval with the Department of Public Utilities (“Department”) an advanced metering infrastructure (“AMI”) data ac-
cess protocol implementa