Monthly Archives: August 2007

The Economist had two great articles last week on two of may favorite themes in renewable energy, which I missed getting to Charles in time for  The Week in Cleantech.  Both deal with modernizing the grid to deal with the vagaries of wind.  The first is an in depth look at electricity transmission via High Voltage DC, a subject I recently wrote about in an article on ABB.  The second dealt with compressed air energy storage (CAES) which is the second cheapest way to store electricity, after pumped hydro.  Unfortunately, I have not found good ways for the stock...

On Monday, Cassandra Vinograd at the WSJ's Energy Roundup told us about Merrill Lynch's new Energy Efficiency Index. You can read more about the index here. As our regular readers know, we are big believers in energy efficiency as an investment thesis, and think significant opportunities will materialize in this space in the coming years. On Tuesday, Todd Woody at Business 2.0 wondered whether a small Norwegian company was about to reverse 100 years of automotive history. Could we be looking at the next wonder-boy of the clean automotive movement? On Wednesday, Dan Lewis at AEI shared...

"We have over 200 years of coal reserves, and we have to/will use them." I have heard some variation of this line far too many times, and I have little patience for it.  Here's why: We don't have over 200 years of reserves.  The real number for economically accessible coal is less than half that. A square, 100 miles on a side in the Southwestern deserts of the US could meet the electricity needs of the entire nation, if solar energy were converted to electricity at 10% efficiency.  There's a lot of desert in the Southwest, and we're...

polls - Take Our Poll Results of 62 Votes Aug 2&3, 2007