Elon Musk's future customers could ignore traditional energy companies completely

Musk's future customers could ignore traditional energy companies completely. They would have SolarCity panels on their roof that would generate enough power to also charge up a Tesla in the garage. A Tesla battery could then power the home at night with stored solar power.

It's a far-off vision — solar power is still much more expensive than conventional power, even before the enormous cost of a battery backup. And electric cars are less than 1 percent of the total auto market. But Musk has made a career of thinking far into the future. He is also the CEO of SpaceX, the rocket company with an ultimate goal of enabling people to live on other planets.

SolarCity, based in San Mateo, California, is one of the nation's largest installers of rooftop solar systems. It was founded and is now run by Musk's cousins, CEO Lyndon Rive and Chief Technology Officer Peter Rive. The company also offers financing for solar systems, and last year it bought a manufacturer of mounting systems used to hold panels in place.

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Elon Musk takes on carbon with solar, battery bets

Countries that have solar, wind, and hydrogen cells and other alternative energy sources won't worry about oil shortages (except in regard to making plastics and lubrication which oil is also turned into).

Right now is a good time to go solar to charge your Prius (or other hybrid) from the sun hitting your roof so you won't be paying a fortune for gas this summer (or however, long oil keeps being a more and more valuable commodity) as in the price per gallon keeps going up worldwide because of what is presently happening in Iraq and Syria.

Also, for some time now (at least 6 months to a year) Solar energy is more cost effective than any other fuel energy source at present in China, India, California and one by one this will likely be true in all 50 states eventually. And eventually one by one this will also be true in all countries on earth.