Average household electricity use in India is 900kwh per year. Or 2.4 kwh per day. A 1 kwh battery would be plenty per household. The cost would be about 12cents per day, for that 1 kwh.ndia’s renewable energy market is growing sharply — the installed capacity jumped by 12.9% during the 12 months to March 31, 2015. India added over 4 GW renewable energy capacity in 2014–15, a capacity addition of 8.5% more than the targeted figure of 3.7 GW.