So, assuming 2/3rds of a plants life is in flower and 1/3rd in veg. Going 18/6 and 12/12 averages to 14 hours a day (18+12+12)3=14. So a 1000w light uses 420kw hours a month. 1kwx14x30=420 ( happy coincidence) averaging between veg and flower. The average US hous uses 900kw hours a month. Did I make a mistake in this calculation? Or is running 2 1000W lights risky? How much is enough to flag the electric company?