EC-OG, a specialist in energy management and storage technology, will deliver its first commercial Halo subsea battery storage system as part of an autonomous offshore power sea trial at the US Navy Wave Energy Test Site, off the coast of the Hawaiian island of Oahu
The lithium-ion-based device will be part of a world-first autonomous offshore power sea trial in Q1 2022 . Designed for the harsh subsea environment, the Halo system is a modular and scalable battery storage system for high-value assets which provides an uninterrupted power supply, predominantly for seabed use.
Aberdeen-based EC-OG’s Halo system will be integrated into the sea trial in which Columbia Power Technologies (C-Power) will demonstrate its autonomous offshore power system (AOPS) in partnership with the US Department of Energy, as well as aerospace company Saab, BioSonics and underwater gas monitoring specialist Franatech.
The AOPS provides in-situ power, energy storage and real-time data and communications to enable autonomous, connected and resident offshore technologies, designed to support unmanned activities offshore including subsea vehicles, sensor packages and operating equipment.
On arrival at site in Hawaii, Halo will be fully integrated with C-Power’s SeaRAY wave energy converter as part of the AOPS system.
EC-OG’s device will provide the seafloor base unit and the payload interfaces for power, data and communications to multiple subsea payloads, ensuring continuous energy availability for remote subsea operations.
C-Power chief executive Reenst Lesemann said, “EC-OG’s Halo system is an ideal complement to C-Power’s wave energy converters. When combined, the ocean changes from a power desert to a power and data-rich environment for customers who are ready to unleash a wave of innovation in the ocean economy.”
The US military in Hawaii is conducting tests to harness the waves and ocean currents off Oahu as a source of renewable energy.
EC-OG business development director Paul Slorach said, “This is a crucial project for the industry which will demonstrate the integration of a selection of novel subsea technologies to deliver a reliable source of power as well as real-time over-the-horizon data communications. The learnings from this project will be significant for the development of the blue economy and further decarbonisation of offshore operations globally.”
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