Connecticut Siting Council

Due to the personally identifying information contained in written limited appearance statements from the public, any written limited appearance statements that are received by the Council for any matter are available to be viewed at the Council’s office Monday through Friday from 8:30 a.m. to 4:30 p.m. or available to be sent via e-mail upon request. Please allow adequate time for processing.

Please be advised that the Connecticut Siting Council will not be accepting any hard copy filings for any matter after 12 PM on Wednesday, December 24, 2025. Regular file processing will resume at 8:30 AM on Friday, December 26, 2025. Thank you for your consideration.

PETITION NO. 1658 – VFS, LLC petition for a declaratory ruling, pursuant to Connecticut General Statutes §4-176 and §16-50k, for the proposed construction, maintenance and operation of an 850-kilowatt AC battery energy storage facility and associated equipment to be located at the University of Connecticut Depot Campus, 44 Weaver Road, Storrs (Mansfield), Connecticut, and associated electrical interconnection.

 

 

PETITION (recd. 03/18/25)
Petition Filing

 

PROCEDURAL CORRESPONDENCE
Council Letter to Town of Mansfield, 03/19/25
Council State Agency Comment Memorandum, 03/19/25
Notice of Incomplete Petition, 03/20/25
Acknowledgement of Complete Petition, 03/20/25
Council Set Date for Decision, 05/01/25
Council Interrogatories to Petitioner, Set One, 05/01/25
Council Interrogatories to Petitioner, Set Two, 06/06/25

 

STATE AGENCY COMMENTS
Council on Environmental Quality Comments, 03/26/25  
Department of Energy and Environmental Protection Comments, 04/14/25

 

SCHEDULE
Schedule, 03/19/25
Schedule, 03/20/25
Revised Schedule, 03/20/25
Schedule, 05/01/25
Schedule, 06/06/25

 

SERVICE LIST
Service List, 03/18/25

 

PETITIONER - VFS, LLC
Responses to Council Interrogatories, Set One, 05/21/25
Responses to Council Interrogatories, Set Two, recd. 06/11/25
Exhibit 1 - Response to Interrogatory No. 71
Exhibit 2 - Response to Interrogatory No. 71

 

FINAL DECISION
Council Decision and Staff Report, 07/25/25