Case Details

- Case Details:

Case Number:

2025-00148

Case Status:

Open

Utility/Industry Type :

Electric

Utility/Industry Subtype :

Transmission and Distribution Utilities (T and Ds)

Case Type :

COMMISSION INITIATED

Case Subtype :

INQUIRY

Pertaining to Utility/Company :

PUBLIC UTILITIES COM-TD

Case Title :

COMMISSION INITIATED INQUIRY INTO ENERGY STORAGE REPORTS

Initiating Filer :

PUBLIC UTILITIES COM-TD

Case Start Date :

5/8/2025

Assigned Staff :

Dale.Coty,
Ethan.Grumstrup,
Julie.Pallozzi,
Rikka.Strong,
liz.wyman,
Sally.Zeh,
Michael.Haskell,
Michael.Simmons,
Janet.Couture

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Filings (9) Data Requests (0)Public Comments (7) Active Party and Notification List (522) Assigned Staff (9)

Item No.	Date Filed	Description Of Filing	Filing Party	Filed By	No of Attachments	Deleted Filings
9	6/9/2025	Comments of Longroad Energy in Response to MPUC Inquiry into Energy Storage Reports	LONGROAD ENERGY PARTNERS	Khripko, Ilya	1
8	6/9/2025	Versant Power's Initial Comments	VERSANT POWER	Marass ESQ, Patrick Ian	1
7	6/9/2025	New Leaf Energy and Bluewave comments in response to the Notice of Inquiry on Energy Storage Reports	Robertson, Jessica	Robertson, Jessica	3
6	6/9/2025	GEO Response to NOI	GOVERNORS ENERGY OFFICE	Reardon, Kiera	1
5	6/9/2025	Office of the Public Advocates Comments for Energy Storage Solicitation	OFFICE OF THE PUBLIC ADVOCATE	PUBLIC ADVOCATE, MAINE OFFICE OF THE	1
4	6/9/2025	CMP Comments	CENTRAL MAINE POWER COMPANY	Regulatory Administration, Debra Mills Y	1
3	6/9/2025	Comments of Plus Power	PLUS POWER	Smith, Benjamin James	2
2	5/9/2025	Notice of Inquiry into Energy Storage Reports	COMMISSION STAFF, CMS	COMMISSION STAFF, CMS	4
1	5/8/2025	Letter Opening Docket	PUBLIC UTILITIES COM-TD	COMMISSION, MPUC	1

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Posted By	Posted Date	Comments	Attachment(s)
Nick Battista Island Institute 386 Main St Email ID: nbattista@islandinstitute.org Phone No.: 2076913554	6/9/2025	See attached	Island Institute PUC Storage Comments 6-9-25.pdf
Jessie Ciulla Shea Energy Dome 245 Main St. 2nd Floor, Cambridge, MA 02142 Email ID: j.ciullashea@energydome.com Phone No.: 1 (617) 203-720	6/9/2025	Please see the attached PDF for Energy Dome's public comments in Proceeding No. 2025-00148, Commission Initiated Inquiry into Energy Storage Reports. Energy Dome is pleased to support the Commission's inquiry into an energy storage program in Maine and looks forward to future engagement opportunities.	2025-00148_ME Storage_Energy Dome Comments.pdf
Rich Jordan Paddle Energy C/O Flycatcher LLC 106 Lafayette Street Suite 2A Email ID: rich@paddleenergy.com Phone No.: 2072170959	6/9/2025	PLEASE SEE ATTACHED COMMENTS DOCUMENT Paddle Energy LLC is a distributed energy generation development company with offices in ME, NC, SC, and NJ. Paddle Energy was founded with the goal to develop distributed solar and storage projects that make renewable energy accessible to local communities. We focus on distributed generation knowing that smaller sized projects with a dispersed geographic placement result in greater grid resiliency and increased energy security. Because of this, we believe distributed solar and energy storage provides the most benefits to energy users, landowners, partners, and communities as a whole. Paddle has 20 solar, solar + storage, and standalone storage projects in development in Maine. Due to our Maine presence, as well as our commercial interests and expertise, we look forward to helping the PUC find ways to achieve Maine's stringent energy goals.	Paddle Response -Docket 2025-00148.pdf
Natalie Hildt Treat Alliance for Climate Transition fka NECEC 444 Somerville Ave, Somerville MA 02143 Email ID: ntreat@joinact.org Phone No.: 9783879282	6/9/2025	Attached is a PDF of the full comments of the Alliance for Climate Transition ("ACT", formerly known as the Northeast Clean Energy Council), the Maine Renewable Energy Association ("MREA") and RENEW Northeast ("RENEW"), (collectively, the "Clean Energy Trade Groups") in the above referenced case.	Joint Comments, ME No. 2025-00148.pdf
Natalie Hildt Treat Alliance for Climate Transition fka NECEC 444 Somerville Ave, Somerville, MA 02143 Email ID: ntreat@joinact.org Phone No.: 9783879282	6/9/2025	The Alliance for Climate Transition ("ACT", formerly known as the Northeast Clean Energy Council), the Maine Renewable Energy Association ("MREA") and RENEW Northeast ("RENEW"), (collectively, the "Clean Energy Trade Groups") appreciate the opportunity to submit joint comments pursuant to the Public Utilities Commission ("PUC") Notice of Inquiry into Energy Storage Reports dated May 9, 2025. For Maine to continue to advance its clean energy and climate goals, the development of energy storage must be a key component of the state's policies and programs. Energy Storage can provide many benefits to the electrical grid in Maine in several ways and in several locations. Securing this wide variety of benefits may not always be accomplished through a single incentive or contracting structure. The Clean Energy Trade Groups recommend that the Commission pursue a timely, straightforward and simple approach in this initial procurement. While our comments are in response to the Commission's specific questions, we believe the focus of this procurement should be structured as simply as possible to ensure the success of bringing this first phase of storage to fruition. The Clean Energy Trade Groups recommend that the Commission move expeditiously towards this procurement given the federal tax credit incentives that are currently available, but in jeopardy-and the ISO-New England ("ISO-NE") Interconnection Process, which can be the most time consuming and costly aspect of bringing new energy resources onto the electric grid. Given the unfortunate likelihood that federal tax incentives may not be available after 2028, it is imperative that state policymakers take all available measures to enable deployment of clean energy resources while those incentives are still available, as maximizing federal incentives is one of the statutory objectives of a Maine storage program.
James Koontz Rock Energy Storage 175 City Island Avenue, Bronx NY 10464 Email ID: jimk@rockenergystorage.com Phone No.: 917-562-7708	6/8/2025	Please note our response to Docket 2025-00148 addresses long duration energy storage of thermal energy. The RFI and supporting research documents are focused on grid-scale, Lithium-Ion batteries to be deployed "in front of the meter". We request that Maine PUC consider expanding their definition of energy storage to include high-temperature, thermal energy storage (AKA- thermal batteries). They will provide similar benefits for the utilities, ISO grid and end-users. They also provide another method to support the State's goals on decarbonization and climate impact. To best illustrate these benefits, we also included a concept paper we submitted in 12/2023, in response to DOE FOA 3195 titled "GRIP".	DOE GRIP Concept Paper_Rock Energy Storage.pdf Docket 2025-00148_Rock Energy Storage.pdf
Julia Souder Long Duration Energy Storage Council HAVENLAAN 86C B.204, BRUSSELS, 1000, Belgium Email ID: sibragim@ldescouncil.com Phone No.: +48451566773	6/6/2025	On behalf of the Long Duration Energy Storage (LDES) Council, we respectfully submit the attached comments in response to the Maine Public Utilities Commission's Request for Information on the design of the 200 MW energy storage procurement program (Case No. 2025-00148). Our comments emphasize the need for a technology-neutral and duration-inclusive framework that recognizes the critical role of long duration energy storage (LDES) in ensuring grid reliability, enabling deep decarbonization, and meeting Maine's 100% clean electricity target by 2040. We urge the Commission to consider procurement models that reflect global best practices, such as those in New South Wales, the United Kingdom, and Massachusetts, and to ensure that commercially available, multi-hour LDES technologies are fully eligible to participate. The LDES Council remains committed to supporting the Commission's efforts and would welcome the opportunity to provide further data, case studies, or policy guidance as the program evolves. Sincerely, Julia Souder Chief Executive Officer, Long Duration Energy Storage Council	LDES Council Comments on Maine PUC RFI.pdf

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Notification List Active Party List

Name of Person/Company	Representing Company	Mailing Address	Email/Phone/Fax
Abbey, Ross		100 N. 6th Street Suite 410B Minneapolis MN 55403	Email ID: ross.abbey@us-solar.com Phone Ph: 612-229-1920 Fax:
Abbott, Charles Lincoln		12 Mill Brook Road Plainfield CT 06374	Email ID: cabbott@greenleaf-power.com Phone Ph: 916-596-2503 Fax:
Abello MR, Thomas		14 Maine Street, Suite 401 Brunswick ME 04011	Email ID: tabello@tnc.org Phone Ph: 207-687-4843 Fax:
Agnew, Mark			Email ID: magnew@eei.org Phone Fax:
Ahern, Beth		ME	Email ID: beth@maineconservation.org Phone Fax:
Aikin, Kay E		148 Middle St. Suite 1D Portland ME 04101	Email ID: kay.aikin@introspectivesystems.com Phone Ph: 207-245-4797 Fax:
Akers, Keith		250 West 57th Street Suite 701 New York NY 10107	Email ID: keith@syncarpha.com Phone Ph: 513-237-1749 Fax:
Albert, Eben M		254 Commercial St Portland ME 04101	Email ID: ealbert@pierceatwood.com Phone Ph: 207-791-1282 Fax:
Alexander, Barbara		ME	Email ID: barbalexand@gmail.com Phone Fax:
Alexander, Barbara Reid		44 Beech Street Hallowell ME 04347	Email ID: barbalexand@gmail.com Phone Ph: 207-458-1049 Fax:

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Staff Name	Role
Coty, Dale	Support Staff
Couture, Janet	Support Staff
Grumstrup, Ethan	Staff Analyst
Haskell, Michael	Staff Analyst
Pallozzi, Julie	Staff Analyst
Simmons, Michael	Staff Analyst
Strong, Rikka	Hearing Examiner
Wyman, Liz	Reviewer
Zeh, Sally	Reviewer

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