FSEM 180 The numbers
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Transcript of FSEM 180 The numbers
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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)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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Cos
t of p
rodu
cing
ele
ctric
ity (
cent
s / k
Wh) 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: 37,000Faculty 3,300Staff 11,500Outpatients/in patients at USC hospitals?
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The art of estimation
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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?