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Published byHerbert Wright Modified over 9 years ago
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Stephen Bradforth
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* It’s all about the numbers Can we do it, can we afford it, and what compromises do each of us, and our society have to make in each scenario?
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200 billion kWh/yr for entire US population: = 1.8 kWh/d per person
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MacKay “Without the hot air” conclusion of Ch. 3
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* SCE, along with other west coast utilities, was one of the earliest to use Hydroelectric Power for the rapidly growing population in the 1920s onward * Big Creek Project (SCE) Big Creek Project (SCE) 1 GW peak total power to SCE 14 million homes ¼ kW each home = 1.5 kWh/d
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SEGS project in Mojave Desert (350 MW) – 0.5 kWh/d peak Solar Millenium AG received contract for new 1GW solar farm at Blythe in Sonoran Desert in 2010 but filed for bankruptcy at the end of 2011.
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195 180 kWh/d
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Cost of producing electricity (cents / kWh) 12 10 8 6 4 2 0
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* How many people are regularly on the USC campus? Numbers from USC web site: Students: 37,000 Faculty 3,300 Staff 11,500 Outpatients/in patients at USC hospitals?
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The art of estimation
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* Do Los Angeles residents drive the distance from Earth to Mars each day? Explain how you come up with your answer!
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Solar * Goal - to increase the electricity generated from solar power to 100%. Is it possible (enough land)? Can the campus (i.e. the student tuition) afford it?
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