His portable geothermal generator units cost from $350,000 to $375,000, each with the potential to generate enough power for 250 average American homes per year.
"Oil companies don't drill wells for water, but they have some 5,000 kilowatts of geothermal power at their disposal in unused oil wells. Let's pick the low-hanging fruit and use the wells we have for oil for geothermal power," he said.
