Affordable batteries for green energy are closer than we think

Very high storage costs are now rapidly falling and, while there are differences in the estimates, battery system costs per kilowatt-hour are predicted to drop strongly again to 2020.

The Conversation

At the heart of the current debate around energy is the question of storage. In cars, how to build batteries that run for hundreds of kilometres; in electricity, storing energy from solar panels for when the sun doesn’t shine.

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