PETITION NO. 1654 – Tunnel BESS, LLC petition for a declaratory ruling, pursuant to Connecticut General Statutes §4-176 and §16-50k, for the proposed construction, maintenance and operation of a 16.02-megawatt (MW) AC battery energy storage facility and associated equipment to replace the existing approximately 17-megawatt kerosene-fueled Tunnel Jet electric generating facility and associated equipment located adjacent to FirstLight Power, Inc.'s Tunnel Hydroelectric Generating Station, 72 Roosevelt Avenue Extension, Preston, Connecticut, and associated electrical interconnection.

PETITION (recd. 12/30/24)
Petition Filing, 12/30/24

PROCEDURAL CORRESPONDENCE
Council Letter to the Town of Preston, 12/30/24
Council Letter to the Town of Lisbon, 12/30/24
Council Letter to the City of Norwich, 12/30/24
State Agency Comment Memorandum, 12/30/24
Council Incomplete Notice, 01/02/25
Council Acknowledgement of Complete Petition, 01/03/25
Council Set Date for Decision, 02/20/25
Council Interrogatories to Petitioner, Set One, 03/05/25
Council Interrogatories to Petitioner, Set Two, 05/02/25
Council Decision on Request for Extension to Submit Response to Interrogatory No. 72 and Request to Extend Final Decision Deadline, 05/27/25

STATE AGENCY COMMENTS
Council on Environmental Quality Comments, 01/23/25 

SCHEDULE  
Schedule, 12/30/24
Schedule, 01/02/25
Schedule, 01/03/25
Schedule, 02/20/25
Schedule, 03/05/25
Schedule, 05/02/25
Schedule, 05/27/25
Schedule, 06/02/25

SERVICE LIST
Service List, 12/30/24

PETITIONER - Tunnel BESS, LLC
Response to Incomplete Notice, 01/03/25
Responses to Council Interrogatories, Set One, 03/25/25
Responses to Council Interrogatories, Set Two, 05/22/25
Request for Extension to Submit Responses to Interrogatory No. 72, 05/22/25
Consent to Extend Final Decision Deadline, 06/02/25
Response to Council Interrogatory No. 72, 06/16/25