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View Diary: New Report: Solar could provide 100% of world's energy needs by 2050 using only 1% of world's land (204 comments)

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  •  Pumped hydro actually is feasible in many places. (0+ / 0-)

    All you need is mountains and water.

    Logic dictates that battery storage for the grid will become inexpensive as production ramps up, economies of scale are created, and tech advances continue to take place.

    The same process that lowered(and is still lowering) the cost of wind and solar will lower the price of batteries.

    Many advances have actually already taken place with battery storage and are just now being implemented.  The following is a good example:

    Vanadium Flow Battery to Provide Grid-Level Storage for Gills Onions

    By Sustainable Plant Staff May 1, 2012 05:20:54 pm

    What is claimed to be the largest flow battery system in the world capable of storing and delivering grid-scale power instantaneously has received permission to operate from the local utility and will begin full operation in the weeks ahead, announced Prudent Energy, the manufacturer of the vanadium redox battery energy storage system (VRB-ESS). The project's commissioning marks a significant point in the deployment of large-scale electricity storage systems and will be used to expand onsite power generation at an agricultural processing facility in California owned by Gills Onions.

    Prudent's VRB-ESS allows utility customers to balance load, bridge generation, and regulate voltage and frequency, in one low-maintenance system. The systems are used by commercial and industrial companies to reduce operating expenses and provide backup power. Unlike other advanced energy storage systems, Prudent's VRB is highly scalable, charges and discharges completely without decreasing power capacity, and contains an energy-bearing electrolyte that never wears out.

    Batteries are going to increase in quality and drop in price big time once mass-production kicks in.  We've seen it all before, with cars, computers, tech gadgets, etc., etc.

    "A candle loses nothing by lighting another candle" - Mohammed Nabbous, R.I.P.

    by Lawrence on Fri Jan 18, 2013 at 09:11:03 AM PST

    [ Parent ]

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