Heat pumps Archives – The Green Optimistic

Earthquake-Free Geothermal Drilling Technology Proposed by GTherm

Ovidiu Sandru — Tue, 17 May 2011 13:26:51 +0000

Earthquakes are a serious drawback and side effect of geothermal drilling and that could be damaging to the industry, especially after Japan's nuclear experience. GTherm, a Connecticut-based company founded in 2008, thinks they can overcome the issue through their proprietary geothermal extraction process that doesn't involve fracturing rock, which is apparently causing the quakes.

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Company Stores Megawatts of Energy In Gravel-Filled Tanks

Ovidiu Sandru — Thu, 05 May 2011 12:19:52 +0000

In a couple of years, utilities will do just about anything to be able to store excess power coming from their future renewable sources, such as wind or solar. The good news is that lately several solutions have emerged from privately-funded startups. One of the solutions found that storing energy inside gravel-filled containers is a good idea, and Isentropic Energy, its creator, is really going to build a prototype.

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Geothermal Efficiency Boosted Up to 30% by Newly Discovered Liquid

Ovidiu Sandru — Mon, 27 Jul 2009 19:12:06 +0000

Scientists from the Pacific Northwest National Laboratory in Richland, WA, announce they developed a new type of heat extracting liquid that could absorb much better the heat coming from the hot water in the geothermal wells.

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