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which is most cheapest and efficient solar panel to generate electricity?

I am looking to purchase very good solar panel to generate electricity, please tell me about the best and cheapest and where it is available to buy including the accessories to light and run the electric heater or stove and a refrigerator.

Best/most efficient and cheapest are never the same.
cheap means making compromises on performance, reliability etc.

Using electric for heating is very wastefull, and nothing short of an industrial sized Photovoltaic instalation will be able to deliver the power reqiured for a typical 2-3kW electric heater or stove. 6m2 of most efficient/expensive pv would produce enough for a hairdryer in good conditions. plus most heating demand is at night, so large battery needed. Better to use Solar Thermal design and heat stores.
Even a fridge/heat pump has high start up currents that would need careful design and a large battery to deliver.

Solar Power 101 – how does sunlight turn into electricity

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