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Looking for advice on proposed install

  • 10-08-2023 11:10am
    #1
    Cyrus
    Registered Users, Registered Users 2 Posts: 20,470 ✭✭✭✭


    For background we live in an A rated house, heat pump and own a large battery EV. 99% of our energy use is electric with a small gas bill for a fire thats used a little over winter. We use around 14,000 KWH annually.

    The house is E/W split and the front roof isnt really suitable for panels, someone has taken a look and reckons we can get 13 420w Jinko panels on the roof eith a Huawei inverter. So total system size 5.46kw, estimated 4,897 KWH generation per year (who knows i guess).

    My queries are:

    a) is a net price of 6.9k for this system reasonable

    b) should i also look at adding a battery as we are also on day night rate so im thinking we could try and minimise daytime unit usage between solar and battery

    c) or is the battery just uneconomical given the restrictions on how many panels i can get?


    We only plug the car in once a week so i dont really see the excess solar being diverted to it, i guess im worried about wasting the excess but given we are relatively high usage the cost beneft of a battery may not stack.


    any thoughts appreciated



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