Once online, the project is expected to provide enough clean energy to power 650,000 homes at rated wind speed, avoiding 3.7 million tons per year of carbon emissions compared to fossil fuel-based power generation
May 28, 2020. By News Bureau
Siemens Gamesa Renewable Energy will provisionally supply SG 14-222 Direct Drive offshore wind turbines to the massive 2.64 GW Dominion Energy Coastal Virginia Offshore Wind (CVOW) commercial project. This project will be home to Siemens Gamesa’s latest offshore turbine variant having the capability to produce up to 15 MW with a 222-meter rotor.
The precise quantity of turbines to be positioned is subject to final project site conditions. All turbine installations are projected to be accomplished by 2026. The agreement is subject to certain conditions including Dominion Energy’s final investment decision, governmental permitting, and other required approvals.
Once online, the project is expected to provide enough clean energy to power 650,000 homes at rated wind speed, avoiding 3.7 million tons per year of carbon emissions compared to fossil fuel-based power generation.
The manufacturer was named as the favored turbine supplier for the CVOW commercial project in January 2020. Dominion Energy’s CVOW commercial project will be a crucial building block to help the Commonwealth of Virginia meet its clean energy goals established by the Virginia Clean Economy Act, which sets Virginia on the path to 100 percent clean energy by 2045.
“Dominion Energy’s selection of the SG 14-222 DD offshore wind turbine for deployment is an important next step for the sizeable project, the US offshore wind industry, and the global offshore wind industry. In these turbulent times, where the winds of change are stronger than ever, and we’re thrilled to join forces to create even more renewable energy for generations to come,” says Andreas Nauen, CEO of the Siemens Gamesa Offshore Business Unit.
The turbine’s 222-meter diameter rotor, just shy of the length of the USS Wisconsin, one of the largest battleships built by the U.S. Navy and currently residing in Virginia, uses the new Siemens Gamesa B108 blades. Nearly 50 feet taller than the Statue of Liberty, each 108-meter long IntegralBlade is cast in one piece using patented Siemens Gamesa blade technologies.
At 39,000 m2, the turbine’s swept area is equivalent to approximately seven NFL football fields. It allows the SG 14-222 DD to provide an increase of more than 25 percent in Annual Energy Production compared to the SG 11.0-200 DD offshore wind turbine, rated at 11 MW with a 200-meter rotor. Furthermore, the new offshore turbine features a comparatively low nacelle weight at 500 metric tons. This enables Siemens Gamesa to safely utilise an optimised tower and foundation substructure compared to a heavier nacelle, reducing costs per turbine by minimizing sourced materials and transportation expenses.
“Siemens Gamesa is a global leader in offshore wind technology and these new state-of-the-art wind turbines will help us provide the clean, affordable energy our customers expect and support the Commonwealth’s commitment to clean energy generation, firmly placing Virginia as a leader in offshore wind,” said Mark D. Mitchell, Dominion Energy Vice President of Generation Construction.
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