The coming era of unlimited — and free — clean energy

The incredible drop in the price of solar energy will shake up our world. 

In the 1980s, leading consultants were skeptical about cellular phones.  McKinsey & Company noted that the handsets were heavy, batteries didn’t last long, coverage was patchy, and the cost per minute was exorbitant.  It predicted that in 20 years the total market size would be about 900,000 units, and advised AT&T to pull out.  McKinsey was wrong, of course.  There were more than 100 million cellular phones in use 2000; there are billions now.  Costs have fallen so far that even the poor — all over world — can afford a cellular phone.

The experts are saying the same about solar energy now.  They note that after decades of development, solar power hardly supplies 1 percent of the world’s energy needs.  They say that solar is inefficient, too expensive to install, and unreliable, and will fail without government subsidies.  They too are wrong.  Solar will be as ubiquitous as cellular phones are.

Source: www.washingtonpost.com

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