Advances seen cutting solar costs
Nanosolar, a technology firm in San Jose, Calif., makes solar cells out of a CIGS semiconductor, which uses copper, indium, gallium and selenium. These nano-panels can produce electricity at 5-6 cents per kilowatt hour.
The cost is much less than most solar power, which costs about 18-22 cents per KW hour, MIT Technology Review reported.
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New Power Grid “Report Card” Reveal Dangerous Vulnerabilities
WASHINGTON - The U.S. power grid just received its “grade card” from the American Society of Civil Engineers (ASCE) and it barely passed.
The overall rating of our antiquated electrical system was a D+. Major power outages in the United States have grown from 76 in 2007 to 307 in 2011, according to the latest available statistics. The major outage figures do not take into account all of the smaller outages which routinely occur due to seasonal storms.
The American Society of Civil Engineers power grid grade card rating means the energy infrastructure is in “poor to fair condition and mostly below…
