Solar veterans will recall a time not so long ago when the industry’s biggest dream was a PV module with a cost of 99 cents per watt. Obviously, the solar industry has long left that figure in the dust — module costs of 40 cents per wattare a reality in today’s market…In fact, the 99-cent figure was more a VC-funding, press-ready construct than a real economic calculation…Which is reminiscent of the equally arbitrary $100 per kilowatt-hour battery cost goal now put forth by the battery industry and the press…Tesla’s battery factory gets a lot of attention. When completed, the so-called Gigafactory will manufacture more lithium-ion batteries each year than were produced globally in 2013.

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