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The price of lithium-ion batteries has dropped from about
. . . $1,000 per kWh in 2010, to about
. . . $209 per kWh in 2017.

As batteries come down in price,
. . . as momentum builds behind renewables, and
. . . as renewables create a natural market for storage.

Utilities increasingly look at batteries,
. . . as a tool for leveling out power available over the course of the day, and
. . . for replacing bulky, and expensive peaking power plants, that have high costs,
. . .but, only occasionally run, at or near full capacity, to meet peak demand.

6-26-2018 Source:  #Batteries and #Utilities