Microgeneration
From the Wikipedia at http://en.wikipedia.org/wiki/Microgeneration
"Microgeneration is the generation of zero or low-carbon heat and power by individuals, small businesses and communities to meet their own needs.
Microgeneration technologies include small scale wind turbines, water turbines, ground source heat pumps, solar thermal collectors, solar electricity and MicroCHP installations." (http://en.wikipedia.org/wiki/Microgeneration)
More Information
See our entries on Distributed Power Generation and the P2P Energy Grid