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Old 11-25-2012, 09:09 AM   #107
Baby Lee Baby Lee is offline
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Quote:
Originally Posted by cdcox View Post
Even if we had unlimited solar and wind, there are real infrastructure and technology limitations that prevent us from using 100% renewables at this time.

Electricity has to be generated the instant there is demand for it. If there is demand when the sun isn't shining or the wind isn't blowing, it cannot be met.

We need to develop electrical storage technologies and smart grid to increase renewable usage above a certain fraction. Plus we need better grid infrastructure. All this is under development, but it is some time off. Natural gas is far, far better than coal in the meantime.
Agree with first bolded, but to fair, as to the second, there are reservoirs, flywheels, compressed air, batteries, and liquefied hydrogen
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