News
News: geothermal power and resources, drilling and heat pumps
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Geysers Field, California, USA
Western GeoPower Unit 1 Western GeoPower is developing a 35 MWe power plant located at The Geysers geothermal field in Sonoma County, 75 miles north of San Francisco. The Unit 1 leasehold is situat...
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South Meager Geothermal Project
Project History Since the late 1970s, the geothermal resource potential of the South Meager area has been investigated using various exploration techniques including geology, geochemistry, geophys...
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geothermal heat pumps
A geothermal heat pump system is a central heating and/or air conditioning system that actively pumps heat to or from the shallow ground. It uses the earth as either a source of heat in the winter,...
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geothermal heat pumps Thermal efficiency
The net thermal efficiency of a heat pump should take into account the efficiency of electricity generation and transmission, typically about 40%.[4] Since a heat pump takes heat from the ground, t...
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Absorption heat pump
Absorption heat pump is essentially an air-source heat pumps driven not by electricity, but by a heat source such as solar-heated water, or geothermal-heated water. There are also absorption cooler...
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geothermal power
Geothermal power (from the Greek roots geo, meaning earth, and thermos, meaning heat) is power extracted from heat stored in the earth. This geothermal energy originates from the original formation...
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geothermal power Resources
The heat content of the earth is 1031 Joules,[1] enough to theoretically satisfy global energy demand for 10 billion years. This heat naturally flows up to the surface by conduction at a rate of 45...
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geothermal power History
Hot springs have been used for bathing at least since paleolithic times.[15] The oldest known spa is a stone pool on Lisan mountain built in the Qin dynasty in the 3rd century BC, at the same site ...
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Solar air conditioning
Solar air conditioning refers to any air conditioning (cooling) system that uses solar power. This can be done through passive solar, solar thermal energy conversion and photovoltaic conversion (su...
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