Advances in direct exchange geothermal technology have finally produced a simple geothermal system that minimizes drilling requirements while offering impressive efficiencies and comfort. In this ...

MARTHA’S VINEYARD, MA — This geothermal rescue was for a closed loop geothermal system that was seriously overheating during the cooling season. This system had ten vertical loops that served 11 heat ...

The project uses a closed-loop system that circulates an organic refrigerant through wells extending 9,000 feet underground and produces electricity without carbon emissions. That design distinguishes ...

Emeryville, California – April 16, 2019 – GreenFire Energy Inc. today announced the completion of construction and the beginning of testing of the world’s first field-scale demonstration of a ...

A simpler design than the one described above, it burrows some 2.4 km (1.5 mi) deep into the crust, runs along 2 km (1.2 miles) laterally, rises back up and then returns to the original site via a ...