Seabrook Station Unit 1 is located in Seabrook, New Hampshire approximately 13 miles south of Portsmouth, New Hampshire. The Westinghouse PWR is operated by NextEra Energy Resources Seabrook, LLC and owned (88.1%) by NextEra Energy Resources, LLC, which is wholly owned by NextEra Energy, Inc. The plant is also owned (11.6%) by Massachusetts Municipal Wholesale Electric Co., and owned (0.1%) by Taunton Municipal Light Plant and owned (0.1%) by Hudson Light & Power Dept. The plant is licensed to operate until March 15, 2030.
The ISFSI for Seabrook began accepting SNF in July 2008 pursuant to a general license. The ISFSI is located outside the plant’s security perimeter, approximately 1,300 feet west of the reactor building, but within its own security fences. The ISFSI consists of a single concrete pad approximately 370 feet long by 40 feet wide. As of the end of 2008, there were 192 SNF assemblies stored in 6 dry casks. (The photo shows ten storage modules.) The cask manufacturer is Transnuclear — the NUHOMS cask system and the 32PT canister type. As of the end of 2010, there were 510 metric tons of SNF stored at Seabrook.
Additional information regarding Seabrook can be found at the following websites: