With 8 patents in wave and tidal systems, I feel qualified to answer this. We have machines that can stand the rigors the ocean environment. read more
Short answer: because the engineering challenges in making a machine that can efficiently capture wave/tide energy are much bigger. For starters, it's much harder to build things under water than to build them on land or even on the surface of the water. read more
Jason Busch, executive director of the Oregon Wave Energy Trust — a non-profit group dedicated to helping advance the industry — said that there are too many variables, such as the price of natural gas or eventual passage of a carbon tax, to apply the experience of wind or solar power to a different technology and time period. read more