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PV Panels, what are they doing

  • 29-11-2021 12:53pm
    Registered Users Posts: 7,171 ✭✭✭ Bluefoam

    I moved into a new house a year ago. I have two solar hot water panels on the roof, which are great. I have had hot water for showers all through summer, and in the winter (starting 1st Nove), I have turned on the hot water for 30 minutes every two days which has been enough...

    I also have two PV panels, but for the life of me can't figure out what they do... My electricty bills haven't been very low (about €100 - €120/bimonthly for a two bed house)... I'm not connected to the grid and have no battery... I'm told that the eelectrical system does know the difference between power from the grid and power from the panels, so is most likely drawing from the grid more often than not...

    I believe that the governement are intending to allow connections to the grid... will this need a new physical connection? or should it be in place already? Should I geta battery? The cost o batterys seem to be high... and again, would the system know to draw down from a battery?

    I'm a bit lost.