Jeffrey Stewart
@UrgentSpeed · Aug 3, 2012
@elonmusk @SolarCity - I will take the under on 15 years 1st terawatt hour day, if your are up for a 1$ bet
Elon Musk
@elonmusk
Sure. To be clear that number would include all US solar energy (thermal+PV).
05:38 PM · August 3, 2012 · 0 views
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