Renewable woes

As green power investments rise, a fear they are being misguided - International Herald Tribune

Be careful if you are planning to invest in renewable energy is the message of this article. This claim is of interest:

Other experts say pouring money into newfangled renewable technologies could prove less cost-effective than relatively straightforward improvements in energy efficiency. Efficiency measures could cut growth in energy demand in half by 2020 and earn investors double-digit rates of return, said Diana Farrell, the director of the McKinsey Global Institute.

"Too much of the energy debate has focused on simply boosting supplies that are destined to be wasted," she said.

Somewhere I read some American analyst claiming that government subsidies for solar cells is economically a big waste of effort. I can't find it now. Such skepticism does not seem to float to the top of the Google pool.

One thing of which I remain very skeptical is solar cell subsidies in England. Could there be a cloudier country less suitable to PV power than that one?