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Electricity options for small home

  • 13-03-2017 9:12am
    #1
    thegodlife
    Registered Users, Registered Users 2 Posts: 50 ✭✭


    Basically I am thinking of building a small cabin close to a house I own and then renting the house to provide a little help with income.

    The home I envision would be a single bedroom with an office which could convert to a second bedroom if needed. I would like to build it so as it could be as efficient as possible. Maybe to passive standards with a heat exchange and was wondering what means of power I could use as would prefer to be isolated from the main house.

    So for a home I can see power required for the heat exchange system, washing maching, dryer, water pumps and other small lighting needs.

    What electricity power source can I use apart from wind, can solar produce enough power in Ireland to meet these needs.


Comments

  • #2
    Evd-Burner
    Registered Users, Registered Users 2 Posts: 1,460 ✭✭✭Evd-Burner


    Solar alone isn't going to cut it if you intend to live there all year round. It has the wrong profile vs your usage. Especially with a dryer and a heat pump.


  • #3
    Conor20
    Registered Users, Registered Users 2 Posts: 265 ✭✭Conor20


    Evd-Burner wrote: »
    Solar alone isn't going to cut it if you intend to live there all year round. It has the wrong profile vs your usage. Especially with a dryer and a heat pump.
    You can check for sure with the NREL Solar tool here: http://pvwatts.nrel.gov/ . You can put in the location, the size of a PV system you might install, and it will give you the monthly generation that you'll get based on weather records. It was spot on for the PV system I installed. If you add up the consumption of the appliances, you would have a monthly energy demand that you need to satisfy, and the timing of the appliances will dictate how big a battery you would need to install to cover night time electricity usage.


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