Under the agreement, utility National Grid US will pay $9.48m to project developer Deepwater Wind for assets that include right-of-way on the ocean floor in federal waters between Block Island and shore, and state easements for the project. The amount will also include a development fee and other costs.

National Grid will build, own and operate the 20-mile (32.1km), 34.5kV submarine electric cable and associated terrestrial infrastructure including a new substation and switchyard, according to its filing with the Rhode Island Division of Public Utilities and Carriers (DPU).

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