Solar will be the world’s biggest single source of electricity by 2050,Currently, it’s responsible for just a fraction of one percent.

Every time fossil fuels get cheaper, people lose interest in solar deployment. That may be about to change.

After years of struggling against cheap natural gas prices and variable subsidies, solar electricity is on track to be as cheap or cheaper than average electricity-bill prices in 47 U.S. states — in 2016, according to a Deutsche Bank report published this week. That’s assuming the U.S. maintains its 30 percent tax credit on system costs, which is set to expire that same year.

Even if the tax credit drops to 10 percent, solar will soon reach price parity with conventional electricity in well over half the nation: 36 states. Gone are the days when solar panels were an exotic plaything of Earth-loving rich people. Solar is becoming mainstream, and prices will continue to drop as the technology improves and financing becomes more affordable, according to the report.

The chart below shows how far solar will come out ahead in each state in 2016, assuming a worst-case scenario of lower tax credits. The blue bars show the anticipated cost of solar energy (assuming a conservative 20-year lifespan for the panels) minus average electricity prices. Positive numbers indicate the savings for every kilowatt hour of electricity.http://www.bloomberg.com/news/2014-10-29/while-you-were-getting-worked-up-over-oil-prices-this-just-happened-to-solar.html

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