“Sunglasses” for windows could be the key to cutting energy consumption in homes, offices, and any other type of building. The National Renewable Energy Laboratory (NREL) has been working on energy efficient windows that work like self-adjusting sunglasses, and they could shave about 1/8 off the total energy used by … [continued]
The National Renewable Energy Laboratory has released The Open PV Mapping Project showing the progress of solar installations on private roofs from 2000 to (currently) now, beginning with a flurry of activity in California, then moving to Wyoming, of all places, and WIsconsin. Gradually the states turn yellow and then … [continued]
[social_buttons] SMUD has introduced a Feed-in Tariff to pay producers for renewable energy beginning in 2010. The Sacramento Municipal Utility District is the nation’s sixth largest publicly owned utility, with 1.4 million customers in Northern California. California already does offer a little known Feed-in Tariff or FIT, but the rates … [continued]
Chinese and Swiss researchers announced earlier this week that they have reached the highest efficiency yet for dye-sensitized solar cells (Grätzel cells). The photovoltaic cells are cheaper than silicon-based solar cells, but until this week’s discovery their drawbacks have outweighed their benefits.
