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Cheap batteries will give utilities electric shock

Cheap batteries will give utilities electric shock

Power suppliers have long enjoyed a natural monopoly. But the arrival of budget batteries coupled with cheaper solar power will allow a growing number of consumers to pull the plug on  old-fashioned electricity networks in 2016 and beyond.

Solar panel prices have already plummeted, and batteries look set to follow in the near future as manufacturers hone new technologies and ramp up production. Tesla says it can slash the cost of its own batteries by more than a third with a bigger, better factory. That’s plausible: costs dropped by 14 percent on average every year between 2007 and 2014: broker CLSA reckons they will tumble by a further 70 percent over the next five years.

The prospect of being able to generate, store and manage their own power may prompt some customers to leave the grid. In parts of developing economies where electricity has yet to arrive, power networks may not be needed. More than a fifth of India’s population does not have access to electricity. Rather than waiting for infrastructure to expand, Prime Minister Narendra Modi’s government is offering a 30 percent subsidy to encourage homeowners to use solar to become self-sufficient. Read More…

Cheap batteries will give utilities electric shock