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Today households need continuous and regular access to power for various needs. Solar power packs are designed to provide electricity in homes with intermittent or no grid electricity. The power packs being modular in construction can be customised to generate and provide solutions for individual needs.

Solar power packs can begin at about 100 watts, going up to a few kilowatts. A typical 4-person semi urban/urban home can have a good mix of solar power and grid power balance by choosing to install a 1 KW solar power pack. A 1 KW power pack can help save Rs 8,250 per year (compared to using grid electricity). When used as power backup in grid-constrained locations, it saves fuel costs of up to Rs 56,000 per year compared to the equivalent use of a 1 KVA gasoline generator.

  1. A power pack is composed of a set of solar PV panels connected together to generate electricity by converting solar radiation into electrical energy.
  2. The battery bank stores power that cannot be utilised directly by the household load – to be used when requirement of household load is more than what the solar PV is providing at a particular time or when power from solar energy is not available, thus reducing the consumption of power from grid and saving on electricity bill.
  3. The relatively colder and denser water in the tank descends into the tubes, in turn getting heated — this cycle continues. The Thermosiphon effect ensures the movement of hot water upwards into the tank because of difference in density, eliminating the need for an external pump. The insulated tank ensures that the hot water remains hot for a long time.