The US Department of Energy’s National Renewable Energy Laboratory has essentially laid out what it believes to be a number of the potential future paths of energy storage in the US, which it insists might reach anywhere between 125 GW and 680 GW of battery storage by 2050. Not only do we believe this is a fantastic underestimate, but it is also quite a vague range, that can accommodate every eventuality in between. What NREL is clear about is that this is not really supposed to be a forecast, more an investigation into what shape the grid energy storage industry may take in the coming 30 years, with data provided for developers and EPC providers to calculate when a battery…