Surf’s Up
Australian waters are perfect for surfing and shark-spotting with around 180 shark species. Now, the Sydney-based Mako Energy is looking to exploit its oceanic tides as a renewable energy source, CNN reported.
Mako Energy has created underwater turbines that can power homes using slow-flowing water in rivers and oceans. The turbines are up to 13 feet in diameter and can generate enough electricity to power up to 20 homes.
The technology is still in its infancy, but what sets it apart from wind and solar energy is its predictability: The sea moves in predictable tidal currents, unlike the sun and wind.
The main drawback, however, is that the turbines are very expensive to install. Also, it is unclear what impact the tidal installations may have on marine life.
Currently, a Mako turbine ranges from $20,000 and $70,000, depending on the power output and the location. The company says it is working to make them more affordable.
“We’re developing turbines at a scale where they can be deployed easily in remote communities, coastal businesses, island communities and resorts,” said Mako’s Managing Director Douglas Hunt.
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