Essentially free energy... except the cost to install, the cost to operate, maintainable and of cause the cost when one of them breaks and causes damage. For a

Essentially free energy... except the cost to install, the cost to operate, maintainable and of cause the cost when one of them breaks and causes damage. For a lot of these “why don’t they just” the answer is simply that they did the math and saw too small an upside for too big a risk. They are trying this out to see if the overall concept works in practice or if it falls short.