Grid modernization and AMI filings and reports

Here you can view a list of grid modernization and advanced metering infrastructure filings and reports that were filed with the DPU.

1. Introduction

On this page you will find:

• the annual reports and term reports. In these filings, you will find program progress updates and data analyses.
• the annual grid modernization factor (GMF) and advanced metering infrastructure (AMI) filing materials for the electric companies. In these filings, the electric companies seek cost recovery for their pre-authorized grid modernization investments.
• the third-party evaluation reports.  In these filings, you will find evaluation reports that assess the performance of the electric companies’ grid modernization investments.  A consultant produces the evaluation reports.
• the GMF tariffs of each electric company approved by the Department of Public Utilities (DPU).

2. Filings approving the grid modernization plans

The DPU approved Eversource's grid modernization plans in D.P.U. 15-122, D.P.U. 20-74, and D.P.U. 21-80.

The DPU approved National Grid's grid modernization plans in D.P.U. 15-120 and D.P.U. 21-81.  

The DPU approved Unitil's grid modernization plans in D.P.U. 15-121 and D.P.U. 21-82.  

3. Eversource

Year	Annual report	Annual report data	Case number - GMF/AMI filing
2023	annual report	Attachment A Attachment B Attachment C	D.P.U. 24-58 / D.P.U. 24-45
2022	annual report	2022 data	D.P.U. 23-49
2021	2018-2021 term report	2018-2021 data	D.P.U. 22-50
2020	annual report	2020 data	D.P.U. 21-58
2019	annual report	2019 data	D.P.U. 20-54
2018	annual report	2018 data	D.P.U. 19-23

4. National Grid

Year	Annual report	Annual report data	Case number - GMF/AMI filing
2023	annual report	Recommendations 2023 data	D.P.U. 24-36 / D.P.U. 24-38
2022	annual report	2022 data	D.P.U. 23-28
2021	2018-2021 term report	2018-2021 data	D.P.U. 22-23
2020	annual report	2020 data	D.P.U. 21-32
2019	annual report	2019 data part 1 2019 data part 2	D.P.U. 20-31
2018	annual report	2018 data	D.P.U. 19-36

5. Unitil

Year	Annual report	Annual report data	Case number - GMF filing
2023	annual report	2023 data	D.P.U. 24-54
2022	annual report	2022 data	D.P.U. 23-38
2021	2018-2021 term report	2018-2021 data	D.P.U. 22-48
2020	annual report	2020 data	D.P.U. 21-52
2019	annual report	2019 data	none
2018	annual report	2018 data	none

There are no annual GMF filings for 2018 and 2019.  According to a 2018 Unitil letter, there were no costs in 2018.  According to a 2019 Unitil letter, no projects submitted for cost recovery since no projects closed in 2019.

6. Grid modernization third-party evaluation reports

Year	Third-party evaluation report
2023	advanced distribution automation (ADA) advanced distribution management system/advanced load flow (ADMS/ALF) volt/VAR optimization monitoring and control (M&C)
2022	advanced distribution automation (ADA) advanced distribution management system/advanced load flow (ADMS/ALF) volt/VAR optimization communications monitoring and control (M&C)
2021	third-party evaluation report
2020	advanced distribution automation (ADA) advanced distribution management system/advanced load flow (ADMS/ALF) volt/VAR optimization communications monitoring and control (M&C)
2019	third-party evaluation report
2018	third-party evaluation report

7. GMF tariffs

You can find the GMF tariffs at the links below:

• Eversource
• National Grid
• Unitil
  1. select "Massachusetts" as the state and "electric" as the service
  2. click on "Electric Charges & Adjustments (Massachusetts)"
  3. scroll down to "Grid Modernization Factor (GMF)" 

Last updated:	July 22, 2024