The US electricity supply would face catastrophe if the country made an immediate upgrade to electric vehicles , but consumers could benefit when it eventually does , according to industry insiders . They said although power companies can install more wires to cope with increased electricity demand , passing the cost on to the consumers , more night - time off - peak recharging of EVs could potentially bring down bills by spreading demand . A report by Bloomberg New Energy estimated that if 15 % vehicles were EVs that would be enough to cause reliability problems .
The US electricity grid would face catastrophe if the country made an immediate switch to electric vehicles, but consumers could benefit when it eventually does, according to industry insiders. They said although power companies can install more wires to cope with increased electricity demand, passing the cost on to the customer, more night-time off-peak recharging of EVs could help bring down bills by spreading demand. A report by Bloomberg New Energy estimated that if 15% vehicles were EVs that would be enough to cause grid problems.