Solar energy

Investors hoping for growth will want to focus on companies focused on types of renewable energy with the largest resources. Solar photovoltaic (PV) is unique among renewable technologies, as it can be located almost anywhere, and scaled to virtually ...

One of the key differences between these two securities is the number of stocks within each and the relative concentration of risk. For TAN with 25 stocks, the average holding accounts for 4.00% of total fund value, whereas for KWT with 35 the average holding accounts for 2.86% of total fund v...

U]pgrading transmission adds 30-40% to the cost of renewable energy." Energy storage is the holy grail of cleantech and a difficult problem." Huber and Mills point out that more than 85% of the growth in US energy demand since 1980 has been met by electricity."

According to the same report, Germany should make up about 36% of global demand in 2008, California 10% and Japan 18%. For 2009, Germany should account for 26% of global demand, California 12% and Japan 18%. That makes them the three largest markets for both years.