Electric car owners are earning as much as US$1,530 a year just by parking their vehicle and feeding excess power back into the grid. Trials in Denmark carried out by Nissan Motor Co. and Italy's biggest utility Engel SpA showed how batteries inside electric cars could help balance supply and demand at times and provide a new revenue stream for those who own the vehicles.
Technology linking vehicles to the grid marks another challenge for utilities already struggling to integrate wind and solar power into their distribution system. As the use of plug in cars spreads, grid managers will have to pay closer attention to when motorist draw from the system and when they can smooth variable flows.
"If you blindingly deploy in the market a massive number of electric cars without any visibility or control over the way they impact the electricity grid, you might create new problems," said Francisco Carranza, director of energy services at Nissan Europe.
While the Tokyo based automaker has trials with more than 100 cars across Europe, only those in Denmark are able to earn money by feeding power back into the grid. There, fleet operators collected about £1,300 a year using the two way charge points, said Carranza.
Blomberg/ London
Technology linking vehicles to the grid marks another challenge for utilities already struggling to integrate wind and solar power into their distribution system. As the use of plug in cars spreads, grid managers will have to pay closer attention to when motorist draw from the system and when they can smooth variable flows.
"If you blindingly deploy in the market a massive number of electric cars without any visibility or control over the way they impact the electricity grid, you might create new problems," said Francisco Carranza, director of energy services at Nissan Europe.
While the Tokyo based automaker has trials with more than 100 cars across Europe, only those in Denmark are able to earn money by feeding power back into the grid. There, fleet operators collected about £1,300 a year using the two way charge points, said Carranza.
Blomberg/ London
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