The first commercial energy station powered by ocean waves started up three miles off the Portuguese coast. The machine, which resembles a giant red sea snake, generates electricity that’s transmitted via an underwater cable to the nation’s power grid. Two more machines are expected to be added in the coming weeks, allowing the “wave farm” to generate a total of 2.25 megawatts, enough to supply 1,500 households with electricity [Reuters]. If successful, a second phase will see energy generation rise to 21 megawatts from a further 25 machines providing electricity for 15,000 Portuguese homes [CNN].
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