The solar-powered installation Falling prices and government enthusiasm have led to an increasing number of solar-power projects in the USA; one gigawatt of power will have been generated by solar power this year alone, enough for 200,000 homes.
Moscow's Circle of Light Festival is a breeding ground for innovative light art, spawing the likes of LED-encrusted water jetpacks and firefly-powered installations.
The first U.S. city to establish green building standards, in August 2008, San Francisco is also home to the Sunset Reservoir Solar Project, the largest solar-powered municipal installation in California, scheduled for completion in December.
Max Siedentopf has set up a solar-powered sound installation there called "Toto Forever" that plays "Africa" over and over and over again, 24/7, until the end of time.
Street art comes alive and goes mobile in a new, tricycle-powered interactive installation called the Suaveciclo by São Paolo-based duo VJ Suave.
Here, a flexibility premium that includes solid fuel-powered biomass installations might have been appropriate in order to encourage the relevant changes in feed-in behaviour and make flexibilisation investments worthwhile [55].
In 2007 and 2008 the performance of a solar powered absorption cooling installation was analyzed.
The installation is powered by "Sunflower," a solar-powered mobile rig developed by the Southern Cross University.
So for Samia Shineran, 30, who has been making goat's butter by hand since she was 10, the installation of a powered churn in the family tent this spring was an unalloyed delight, giving her that much more time for the many other tasks which fall to this Palestinian mother of 10. "This is better," she says, beaming.
This was Spencer Finch's installation: a solar powered ice-cream truck offering free ice cream made by "distilling the colors of the Central Park sunset".
Pilot projects see the installation of battery-powered monitoring and control devices linked to the network's flow meters and valves.
