 Mae'r The electricity is then transferred to shore by an undersea cable. We can put a one unit here in Wales to supply a whole of Europe. Then the electricity from one wave sub could power several thousand homes. When we first started looking into this field we realised that all devices in development didn't solve all of the challenges that face developers. If you don't solve them all then you'll never reach a commercial product. And so that we, with that ethos in mind, we started our journey. When we become a company that commercially supplies wave energy devices to utility companies we expect to be able to employ hundreds of people in south Wales.