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Stephen Bradforth. * 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.

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Presentation on theme: "Stephen Bradforth. * 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."— Presentation transcript:

1 Stephen Bradforth

2 * 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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4 200 billion kWh/yr for entire US population: = 1.8 kWh/d per person

5 MacKay “Without the hot air” conclusion of Ch. 3

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7 * 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

8 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.

9 195 180 kWh/d

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11 Cost of producing electricity (cents / kWh) 12 10 8 6 4 2 0

12 * 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?

13 The art of estimation

14 * 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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17 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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