Tuesday, October 8, 2013

Switzerland:

Geothermal Attempts Comeback in Switzerland (Swiss Broadcasting Corporation)

The Swiss government is ready to place a bet on geothermal energy as part of its 2050 energy strategy, but its promoters have yet to demonstrate its viability and whether they can convince the population of its potential as a safe power source.


The town of Avenches in Switzerland (Courtesy Geo-Energie Suisse)
Geo-Energie Suisse has chosen Avenches, the former capital of Roman Switzerland, as one of three potential sites to develop a so-called Enhanced Geothermal System (EGS) that could provide heat and electricity for the town. However, whether it will actually go ahead is a different matter.

The goal is to drill down deep – 4,000 metres or more - into the earth’s crust where temperatures rise as high as 200 degrees Celsius. Water under pressure is injected into the rock -fracturing it - and recovered after it has been heated and transformed into electricity.

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