Wave energy tech could alleviate Pacific water woes
Engineering company - EHL's lead designer Derek Shotbolt, left, and co-owner Peter Jannings are focused generating energy through wave power Photo: RNZ / Robin Martin. Sketched by the Pan Pacific Agency.
WELLINGTON, Jun 5, 2019, RNZ. A New Zealand firm developing wave energy technology believes its devices could be used to provide fresh water to low-lying Pacific islands, reported the Radio New Zealand.
EHL Group, which provides hydraulic systems to the oil and gas sector, has developed a device which generates electricity from wave power.
Co-owner Peter Jannings said the device could also be used as a desalinator which would use wave energy to pump fresh water ashore.
“So imagine a device sitting offshore continuously providing you with fresh drinking water with no having to fill up the diesel tank all the time or a power bill coming in so it’s just pumping that water in.”
Mr Jannings said the fresh water would be created by forcing sea water through a special membrane at high pressure.
The device had a huge future particularly in the Pacific where islands are threatened by sea level rise, according to Mr Jannings.
“There’s a lot of places looking for drinking water, irrigation for crops, farmers for their livestock. The world needs water.”
EHL has applied for $US4 million from New Zealand’s Provincial Growth Fund to continue to develop its wave energy device.
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