Equinor & bp joint venture Empire Offshore Wind has awarded a long-term service operations vessel charter agreement to US marine transportation provider Edison Chouest Offshore. The plug-in hybrid service operations vessel will be the first in the US offshore wind sector capable of sailing partly on battery power. The vessel will accommodate up to 60 wind turbine technicians and will be utilized for the safe and efficient operations and maintenance of the Empire Wind 1 and Empire Wind 2 offshore wind farms. The charter agreement has a fixed period of 10 years, with commencement in the mid-2020s.The US-flagged vessel will be Jones Act compliant and have its home port at the South Brooklyn Marine Terminalin New York. The SOV will be constructed with components from ECO’s extensive supplier base across 34 US states.The plug-in hybrid vessel will be the first in the US capable of sailing on battery power for portions of the route. The SOV will sail into the port of SBMT on battery power, recharge the battery using shore power and sail out of New York Harbor. The hybrid vessel is certified to “tier 4 emissions standards”, reaching the highest standard for marine applications.Empire Wind is located 15-30 miles southeast of Long Island and spans 80,000 acres, with water depths of between approximately 75 and 135 feet. The lease was acquired in 2017. The projects two phases, Empire Wind 1 and 2, have a total installed capacity of more than 2 GW (816 + 1,260 MW).The project will be a major contributor to meeting New York State’s ambitious clean energy and climate goals. When completed, Empire Wind 1 and 2 will power more than 1 million New York homes.