Moreover, as Britain's recently deregulated electricity, gas and telecoms companies have discovered, brand recognition or loyalty seems to be a dream in the utilities business: having been assured of a basic level and quality of service, most consumers buy on price alone, and switch allegiances frequently.

ECONOMIST: Marketing energy

The notion that entire communities and countries could be completely powered by renewable energy still seems like a pipe dream to many.

FORBES: All Renewables, All The Time