Recent posts ZGE Blog
09-20-2017: About Z Group Energy (ZGE)
Z Group Energy (ZGE), head quartered in Coolidge, Arizona is an alternative, clean energy partnership engaged in development and design engineering for sealed geothermal manufacture of supercritical water to be used in electricity generation. Our patented method can produce electricity for nearly half the cost ($0.045/kWh) of natural gas fueled ($0.07/kWh) methods or conventional geothermal […]
09-12-2017: Can Supercritical Systems Significantly Increase Electricity Generation at Geothermal Power Plants Like The Geysers?
The answer is yes. Consider the Z Group Energy (ZGE) patented, sealed geothermal system which manufactures supercritical fluids, converting them to steam for use in electricity generation at costs nearly one-half that of current production costs. Using H2O as the heat carrying fluid, our patented system yields zero polluting emissions. Supercritical temperatures are obtained geothermally using […]
09-07-2017: Is Nuclear Fueled Supercritical Water a Step Forward?
One cutting-edge development in electricity generation is the concept of employing nuclear reactors for heating water to supercritical temperatures, that is, above 374 °C; to drive steam turbines, in turn driving generators producing electricity. This potential use of nuclear energy in Supercritical-Water-Cooled Reactors (SCWR’s) has been studied for more than fifteen-years, in ten countries around […]
08-30-2017: Supercritical Fluid Energy Manufacture
How can Z Group Energy (ZGE) manufacture supercritical fluid below ground? Good question. ZGE can do this by cost effectively employing its patented, sealed geothermal system to depths enabling the conductive capture of hot rock heat at temperatures high enough to produce supercritical fluids, say water above 374°C. Using H2O as the thermal energy carrier […]
08-17-2017: Are Supercritical Fluids Critical For Cost-Effective Geothermal Electricity Production?
Why might supercritical fluids be critical for cost-effective geothermal energy? Before answering, what is a supercritical fluid? Per Wikipedia[1]: A supercritical fluid (SCF) is any substance at a temperature and pressure above its critical point, where distinct liquid and gas phases do not exist. It can effuse through solids like a gas, and dissolve materials […]
08-11-2017 Geothermal Update: Iceland’s IDDP-2 Developments
Per a February 2017, IDDP press release, the Iceland Deep Drilling Project on the Reykjanes Peninsula, January 25, 2017 completed drilling of its newest IDDP-2 well at a depth of 4,659 meters (15,286 feet), where bottom of well temperature reached a supercritical 427°C (800°F) with fluid pressure of 340 bars (4,930 psi). Taking advantage of […]