Sep
17
Checking Up On Low Temperature Geothermal By Raser and United Technologies
September 17, 2008 | 4 Comments
Raser Technologies, a publicly traded (NYSE Arca: RZ) Utah company involved in low temperature geothermal installations and alternating current electric motors is back in the press release business. With a stock price of about $5.50 ranging from $4 to over $18 in the past year the company has the volatility to be interesting. Barely a […]
Aug
20
Go Where the Heat Energy Is
August 20, 2008 | 3 Comments
The U.S. alone has an estimated 19,000 square miles of asphalt paved roads and parking lots. As essentially everyone can attest, asphalt is a great infrared absorber and being very dense holds a lot of heat thus toasting bare feet with slight sun and barely warm temperatures. Now 19K square miles is a lot of […]
Aug
18
Renewables Grow Up From Being a Carrot to Carrying a Whip
August 18, 2008 | 4 Comments
Congress can’t get the alternative energy credits renewed and on the books for the (I’ve lost count) time. By itself the missing tax credits will be a problem. But the price of coal, oil and natural gas will still be their own undoing as primary fuel sources. It’s about the money. Alternatives such as solar […]
Aug
14
Following the Thermal Solar Money!
August 14, 2008 | 2 Comments
Ausra of Palo Alto, California, who builds utility-level solar thermal power, has raised $24.5 million in a third round of funding from returning investors Khosla Ventures and Kleiner Perkins Caufield & Byers. Now a new investor KERN Partners, based in Alberta, Canada, has also joined the round. This announcement is just over a month from […]
Jul
29
A Compressed Air Energy Storage Reality Check
July 29, 2008 | 7 Comments
A guest author going by Libelle posted a piece titled “Compressed Air Energy Storage – How Viable Is It?” Sunday at TheOilDrum, Canada. It’s a top-flight review of the physics and explains the thermodynamics in a quaint, easy to grasp way. Libelle suggests that raising the elevation of water might be more effective. From here […]
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