First Japanese Solar Powered Condo

This condo complex, called the Grandia Solare, is said to be the first of its kind in Japan. Each apartment gets 1530 watts of solar power from the building’s roof. Apparently the solar cells are owned by a third-party, so the upfront cost of the panels was not passed on to the condo’s residents. The […]

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12V Compact Fluorescents (15 or 23 Watt)

This is a meta-efficient bulb because it is a 12V compact fluorescent. Available in 15-watts, equal to a 60-watt incandescent (880 lumens), or 23-watts, equal to a 100-watt incandescent (1350 lumens). These lights have a warm color (2700K), operate at 14° to 130°, and measure 5.2"L x 2.1" diameter.

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