https://www.eia.gov/tools/faqs/faq.cfm?id=427&t=3
Current projections have the United States at 10% solar power by 2025:
https://en.m.wikipedia.org/wiki/Solar_power_in_the_United_St...
"A report finds that solar power's contribution could grow to 10% of the nation's power needs by 2025:"
I don't think that's enough clean energy to make a sufficient difference.
My feeling is that if we were on a good trajectory, Bill Gates and friends wouldn't be looking to create a huge fund for more research:
http://qz.com/859860/bill-gates-is-leading-a-new-1-billion-f...
Being discussed here: