Ocean Power Technologies: PB150 exceeds performance expectations

Marine energy developer Ocean Power Technologies Inc. announced that the first of its new generation utility-scale PowerBuoy device, the PB150, has delivered better-than-expected initial results in ocean tests.

Rated at 150 kW, electrical power generated by the PB150 has included peaks of more than 400 kW, with average electrical power output of 45 kW at wave heights as low as 2 meters. These levels of power exceeded OPT's expectations of performance for this first PB150 deployment and verifies that the system could produce up to 150 kW, on average, in higher wave conditions, OPT reported.

The power take-off system's performance also exceeded expectations with respect to its energy conversion efficiency, a press release states.

This device was designed and developed by OPT to work in arrays of multiple PowerBuoys to generate renewable energy at commercial-scale wave power stations worldwide. It was deployed earlier this year for ocean trials at a site approximately 33 nautical miles from Invergordon, Scotland. The trials are expected to continue for an additional one to two months.

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