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Help! Rent-a-Roof Solar Panel Dilemma

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  • ThorOdinson
    ThorOdinson Posts: 475 Forumite
    100 Posts Second Anniversary Name Dropper
    https://forums.moneysavingexpert.com/discussion/comment/81927292#Comment_81927292

    That kind of illustrates the problem with these leases. You can save a bit of money, but the real savings are if you can install a battery. Presumably, you can't have one.

  • QrizB
    QrizB Posts: 22,684 Forumite
    10,000 Posts Fifth Anniversary Photogenic Name Dropper

    You can save a bit of money, but the real savings are if you can install a battery.

    Without a battery, a typical home will self-consume about a third of the electricity that's generated by rooftop PV. For a typical 3kWp early-2010s PV system, that might be 900kWh/yr, currently saving about £225pa on your electricity bill.

    With a battery, that might increase to two-thirds. So an additional £225pa saving.

    The cheapest professional home battery installation is around £4k, which is quite a big outlay for a £225pa saving.

    N. Hampshire, he/him. Octopus Intelligent Go elec & Tracker gas / Vodafone BB / iD mobile. Kirk Hill Co-op member.
    2.72kWp PV facing SSW installed Jan 2012. 11 x 247w panels, 3.6kw inverter. 35 MWh generated, long-term average 2.6 Os.
    Ofgem cap table, Ofgem cap explainer. Economy 7 cap explainer. Gas vs E7 vs peak elec heating costs, Best kettle!
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