Speak EV - Electric Car Forums banner
1 - 3 of 3 Posts

·
Registered
Joined
·
1,494 Posts
Discussion Starter · #1 ·
The University of Delaware has recently pushed a report on the use of V2G (Vehicle to grid) where the EV is used as a power source to help the utility companies balance out their power usage and availability.
Delaware are promoting it as a way for EV owners to make money from their cars, and in doing so helping the utilities to meet their peak demands. I see it as a way of not having my car available to me when I need it, and a way of decreasing my Battery pack life, while propping up the utilities who are under investing.
There is no doubt that the Electricity suppliers are having issues, and the Last Government knew that in around 2008 from an Arup report they commissioned. With Nuclear going off line due to age more coal and gas will be required to meet the power needs through to the early 20s when the next generation of Nuclear stations start to come on line. Our Grid is also in need of upgrading, or alternative ways of meeting demand are provided. Its much worse in the US where the Grid is less important , but local power companies are more important (Just like the Simsons and Mr Burns Nuclear station).
There have been some trials of containers stuffed with Lithium cells, and large inverters on the ends of the grid arms, where peak demand can be hard to deal with. These are charged at low demand and come instantly on line as demand peaks. They can also be used to balance out solar or wind power generation.
Personally I like the idea of such a unit at a domestic level, allowing me to use solar or wind created power when I need it.
What do people think of V2G
 

·
Registered
Joined
·
7,249 Posts
I don't like the idea of V2G for the reasons you mention... reducing the availability of the car to me and potential reduced battery life (more charge cycles).

However, I am really looking forward to an affordable battery storage system for my home. In the UK there is no off-the-shelf, turnkey systems yet available as far as I know. Some people have put together their own storage and inverter but we have to be careful here as there are tight regulations when connecting equipment to the grid that has the potential to put power out to the grid if the grid is down (G83/G59 regs) so we must use approved equipment.

When there is a turnkey solution I will be very interested.

Ecotricity is working on their "Black Box" which they suggested may be ready this year but no news from them yet so it isn't looking good for a quick launch.
 

·
Premium Member
Joined
·
446 Posts
I agree. I think EV batteries do have a role here though. When they reach the end of their useful life in the car, they could be removed and reused in a domestic setup to store spare solar and be topped up during the night.
On average I use about 12kW a day, so even when my EV needs a new battery I reckon the old one would be good for domestic use before it is recycled.
 
1 - 3 of 3 Posts
Top