Neptune Renewable Energy Ltd (NREL) - based in North Ferriby, East Yorkshire, England - announced that, following the successful completion of a series of in-water tests on the multi-million pound full-scale demonstrator of its world-leading Proteus NP1000 tidal stream power generator, it is now seeking a trade partner, which could be a shipyard or heavy engineering concern, who can demonstrate the capability to fabricate and build future production devices. Weighing more than 150 tonnes and 20 m in length with a beam of 14 m…