ANTWERP, Belgium – Dominion Energy Virginia has awarded the DEME Group and Prysmian consortium a $1.9-billion balance of plant contract for the Coastal Virginia Offshore Wind commercial (CVOW-C) project.
According to DEME, this is the largest offshore wind installation contract ever awarded in the US.
DEME Offshore is responsible for the transport and installation of 176 monopile transition piece foundations, three offshore substations, scour protection, and the supply and installation of export and inter-array submarine cable systems. The company will oversee the complete offshore installation works for the foundations, substations, infield cables, and part of the export cables.
DEME’s portion of the contract is about $1.1 billion.
Prysmian Group will provide three 3-core 220kV HVAC export cables measuring about 62 km (39 mi) each, with XLPE insulation and single-wire armouring, for a total of about 560 km (348 mi). The company will also supply 320 km (199 mi) of 3-core 66kV offshore inter-array cables with XLPE insulation.
The export cables will be produced in Arco Felice, Italy, and Pikkala, Finland, while the inter-array cables will be manufactured in Nordenham, Germany.
According to Prysmian, it is the first cable company in the offshore wind industry to sign a balance of plant contract.
Prysmian’s portion of contract is about $728 million.
Located about 43 km (27 mi) off the coast of Virginia Beach, the 2.6-GW CVOW-C project is the largest planned offshore wind farm in the US. The project is expected to be completed in 2026 and power about 660,000 homes.
Today, Dominion Energy filed its plans for the project with the Virginia State Corporation Commission. According to the company, the CVOW-C project represents an investment of $9.8 billion.
Last year, Dominion Energy completed the CVOW pilot project.