kWh measures the amount of renewable electricity generated by a micro hydro system over a year.
Micro hydro systems with a higher kWh output generate more renewable electricity.
Families use up to 9,000 kWh to power lights, electronics and appliances over a year.
Electricity generated by a micro hydro system can be used immediately or stored in batteries.
An alternative to storing electricity is to feed excess electricity into the grid.
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