You can't generate solar power at night. And wind power is limited on days without a breeze. But what if you could create energy with ocean waves, which are always in motion?

That’s what Eco Wave Power wants to demonstrate. On Tuesday, it launched a two-year pilot project at the Port of Los Angeles, becoming the United States’ first on-shore wave energy program.

How it works

It’s a simple model: Seven blue floats that look like little boats are attached to the side of a dock. They bob with the waves, pushing a hydraulic cylinder that sends fluid through pipes into bright red tanks housed in a converted shipping container. Pressure builds in the tanks, turns a motor and powers a generator. Right now, it’s enough energy to power 100 households, said Inna Braverman, co-founder and chief ex

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