Massachusetts Climate Compliance Plans: Surrebuttal Testimony

Responses to utility testimony on line extension allowances, low-carbon fuels, methane mitigation, and hybrid heating.

Michael J. Walsh

Massachusetts Office of the Attorney General

Michael J. Walsh prepared this surrebuttal testimony for the Massachusetts Office of the Attorney General. It responds to the gas utilities’ positions on new-service connection allowances, low-carbon fuels, pipe replacement as a methane mitigation strategy, and the hybrid electrification scenario in the earlier D.P.U. 20-80 pathways analysis.

This filing follows his November 2025 direct testimony in the same Climate Compliance Plan proceedings.

Publication Details

Type Testimony

Client Massachusetts Office of the Attorney General

Jurisdiction Massachusetts

Docket MA DPU 25-40 through 25-44/45

Year 2026

Topics

Gas Transition Energy System Decarbonization

Download PDF

Clients and collaborators

Massachusetts Office of the Attorney General

Cite This Publication

Walsh, M. J. (2026). Surrebuttal Testimony of Michael J. Walsh: Climate Compliance Plans, D.P.U. 25-40 through D.P.U. 25-44/45. Massachusetts Office of the Attorney General. https://www.groundworkdata.org/s/Walsh-CCP-Surrebuttal-Testimony-2026-02-11.pdf

Walsh, Michael J.. "Surrebuttal Testimony of Michael J. Walsh: Climate Compliance Plans, D.P.U. 25-40 through D.P.U. 25-44/45." Massachusetts Office of the Attorney General, 2026. https://www.groundworkdata.org/s/Walsh-CCP-Surrebuttal-Testimony-2026-02-11.pdf.

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  title = {Surrebuttal Testimony of Michael J. Walsh: Climate Compliance Plans, D.P.U. 25-40 through D.P.U. 25-44/45},
  author = {Walsh, Michael J.},
  institution = {Massachusetts Office of the Attorney General},
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