solar-energy-3If around 12 lakh homes in the city replace their electricity-powered geysers with solar-powered ones or any other renewable energy gadget they will save around 25-30% that is around 850 MW of Mumbai’s total daily demand of 3,000 MW. This means virtually stopping two big power units from consuming coal and creating pollution every day. Moreover, each family would save almost Rs 500 a month on their billings. An approach paper, recently prepared by ABPS Infrastructure Advisory Pvt Ltd for the Maharashtra Electricity Regulatory Commission (MERC), has cited an IIT-Bombay report which estimates that if around 1 crore families in Maharashtra go in for solar water-heater systems (SWHS) in the morning, between 6 am to 10 am, then the state can save around 3,500 to 4,000 MW of power of the total 14,700 MW daily demand. This can help bring down the existing loadshedding of about 8 hours in urban areas and over 12 hours in rural areas by a minimum of six hours. To avoid an hour’s load-shedding an additional chunk of 400 MW power is needed everyday. The study also reveals that out of the total energy consumption on water heating in the state, especially Mumbai, Nagpur and Pune, 84% of energy is used during the morning hours, which can be easily replaced by SWHS.

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