How much energy can I produce at home from solar panels ?

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How much energy can I produce at home from solar panels ?

Solar panels installed on terrace in Spain

In this article, we release real data from a solar installation with only 8 solar panes on a mid-terrace house in the UK. We collecting data for 12 months starting in January 2020 until December 2020. Our research is useful for the consumers because they can evaluate how much energy they can generate from solar panels and how much they can save if they install energy storage.

The installation under rigorous examination has a 5kW Solis Hybrid Inverter, lithium-ion energy storage, and 285W solar panels.

2280Watt PV Panels Installed on the Roof.

It might sound like a small number of panels but on sunny days there is enough electricity to offset 100% of the cost of electricity. The diagrams below illustrate the total energy production Vs consumption. It is important to take into account that part of the energy consumed (energy drawn from the national grid) was purchased at an “economy tariff ” £0.05/kWh.

 

Solar Energy Production in February, UK Installation 2.2kW

 

Solar Energy Production in March, UK Installation 2.2kW

 

Solar Energy Production in April, UK Installation 2.2kW

 

Solar Energy Production in May, UK Installation 2.2kW

Simplified diagram of the actual home installation. A 5.5Kw hybrid inverter remains permanently connected in parallel with the grid power supply. Lithium ion batteries are charged from solar and low cost electricity from the grid.
All black high quality solar panel for residential applications. 320Watt monocrystaalline.

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