Testimony on Wisconsin Electric and Wisconsin Gas 2026 Rate Case

Client: Walnut Way Conservation Corporation

Author: Elizabeth A Stanton, PhD

August 2026

On behalf of Walnut Way Conservation Corp., Principal Economist Dr. Elizabeth A. Stanton prepared expert testimony before the Public Service Commission of Wisconsin in response to the Joint Application filed by Wisconsin Electric Power Company (Wisconsin Electric) and Wisconsin Gas LLC (Wisconsin Gas) (collectively, the “Joint Applicants”) seeking authority to increase electric, natural gas, and steam rates in Docket No. 5-UR-112. Dr. Stanton's testimony (1) evaluates the customer affordability impacts of the Joint Application, with a particular focus on household energy burden and the effect of proposed rate increases on Wisconsin Electric and Wisconsin Gas customers; (2) assesses whether the Joint Applicants have adequately accounted for customer affordability and equity considerations; and (3) provides recommendations for the Commission’s consideration.

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Testimony on Puget Sound Energy 2026 Rate Case

Client: Earthjustice

Author: Elizabeth A Stanton, PhD

July 2026

On behalf of Earthjustice, Principal Economist Elizabeth A. Stanton, PhD prepared expert testimony on Puget Sound Energy’s (PSE’s) 2026 Rate Case in the context of Washington State’s clean energy regulations that require increasing shares of non-emitting electric generation over time. Specifically, Dr. Stanton finds:

• PSE is not planning to meet the Washington Clean Energy Transformation Act (CETA) greenhouse gas neutrality requirements for 2030

• PSE’s proposal to acquire a seventeen-year Tolling Agreement with TransAlta that converts the Centralia coal-fired plant to gas-fired generation is in misalignment with CETA

• PSE failed to carry its burden of proof showing that the TransAlta Tolling Agreement is prudent. In particular, the Centralia gas-fired plant would be uneconomic to run in six out of seventeen years of the agreement.

• PSE failed to adequately compare the financial cost of meeting expected capacity needs with one or more clean energy resources with the TransAlta Tolling Agreement, despite having received several economic bids for wind, solar, and solar plus storage in their 2024 All-Source Request for Proposals.

On this basis, Dr. Stanton recommends that the Washington Transportation and Utilities Commission disallow the TransAlta Tolling Agreement.

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