Thursday, October 10, 2013

Second PV array to feed electric car

11 Oct 2013: Somebody called Trevor wrote a comment on an earlier posting of mine and he has directed me to an interesting blog about his electric Renault Zoe car. (I don't care if he works for Renault, the posting is about installing PV).
http://myrenaultzoe.com/index.php/category/climate-change/solar/
He has PV fitted in 2010, and that is the usual grid connected system with the Feed in Tariff. He has recently added extra panels on the north roof, because the 2010 system took up his entire south roof. He has kept solar generating metering records since the start, and house electricity records since 2008. It isn't clear if the second PV panel array is added to the original 3.7kW system as a grid connected system, because as far as I know, this would alter the terms of his original F.I.T agreement.
As the blog is mostly about the electric car, I guess that this is to reduce his small running cost of the car.

1 comment:

  1. David, no I don't work for Renault! The ZOE is the latest EV available in the UK; it currently has the best range and the most flexible charging. However, anyone interested in EVs should also seriously consider the Nissan LEAF, the upcoming BMW i3 and - if they really can't do without a back up petrol engine - the Vauxhall Ampera (Chevrolet Volt). I would never go back to a fossil car again.

    Anyway, re solar. The new array is grid connected and has its own generation meter. The exact terms of the FIT in this case, however, seem to be unclear. My installer and I both believed we understood them - I would get the old generation at the old rate and the new generation at the current rate. However the FIT provider (E.On) has a different interpretation whereby the new generation will be at a slightly lower rate as it's considered to be part of a total system over 4Kwp. The difference doesn't seem to be too significant however, and between the two systems I should be generating more than I'm using over the year not counting the EV charging - and generating most of what I'm using if you count the EV charging.

    Note, I did have to apply for permission to exceed the usual 4kWp limit before going ahead.

    Trevor Larkum
    MyRenaultZoe.com

    ReplyDelete

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