29 Apr '12, 2pm

IEEESpectrum: #Wind, #Water, and #Solar Power for the World #renewables, not #thorium #cancer #energy

IEEESpectrum: #Wind, #Water, and #Solar Power for the World #renewables, not #thorium #cancer #energy

We don’t need nuclear power, coal, or biofuels. We can get 100 percent of our energy from wind, water, and solar (WWS) power. And we can do it today—efficiently, reliably, safely, sustainably, and economically. We can get to this WWS world by simply building a lot of new systems for the production, transmission, and use of energy. One scenario that Stanford engineering professor Mark Jacobson and I developed, projecting to 2030, includes: 3.8 million wind turbines, 5 megawatts each, supplying 50 percent of the projected total global power demand 49 000 solar thermal power plants, 300 MW each, supplying 20 percent 40 000 solar photovoltaic (PV) power plants supplying 14 percent 1.7 billion rooftop PV systems, 3 kilowatts each, supplying 6 percent 5350 geothermal power plants, 100 MW each, supplying 4 percent 900 hydroelectric power plants, 1300 MW each, of which 70 percent ...

Full article: http://spectrum.ieee.org/energy/renewables/wind-water-and...

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