US grid-battery costs dropped 70% over 3 years

Found 37 days ago at Arstechnica

In recent years, the cost of solar and wind energy has declined precipitously, which has accelerated the growth of these renewable energy technologies. Increasingly, utilities are now planning for a future grid dominated by solar and wind. That will require changes in grid management and transmission upgrades as well as the addition of storage to smooth out the supply from variable...

Read the article at Arstechnica

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