Tag: Solar
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Thin-Film Solar Cell Approaches Efficiency Record
A Copper Zinc Tin Selenide (CZTSe) solar cell technology has achieved an efficiency of 9.7% and an open-circuit voltage of 0.41 volts, a bit less than the 0.5 volts that most silicon-based solar cells achieve. (Solar cells are generally connected in series, which multiplies their voltage by the number of cells in the series connection.)…
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Extraordinary Solar Light Now Available for Off-Grid Victims of Energy Poverty
This is a low-priced ($39.00) and sustainable light that some 25 percent of the world’s population – living off the grid – needs. Why? So dangerous kerosene lamps can be relegated to museums only. The following mission statement comes from WakaWaka designers and manufacturer of what the company contends is the “most efficient solar lamp…
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Apple Plans to Build Solar Farm in Nevada
According to several news items from reliable sources, Apple is teaming up with Nevada utility NV Energy to build a solar farm to support its data center in Reno, NV. This would be …
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ABC Green Home Wins Best Zero Net Energy Home Design at PCBC 2013 Golden Nugget Awards
Early in June, the Pacific Coast Building Conference presented its 50th Annual Golden Nugget Awards to architects and developers at its annual convention dubbed The Art, Science + Business of Housing. The awards are given to firms that show “excellence and innovation in addressing complex design/build issues.” KTGY Group, Inc., Architecture + Planning was named…