The energy storage industry is shattering records for battery deployments, underscoring its growing role in decarbonizing the economy. In the last three months of 2020, nearly 2.2 gigawatt-hours (GWh) of energy storage systems were put into operation, according to the energy data firm Wood Mackenzie. That’s an increase of 182% from the previous record-setting quarter. The blockbuster fourth quarter capped a year that saw a total of 3.5 GWh installed—more than the 3.1 GWh that