Bull Scotty, Electricity cost about 10 to 15 CENTS per KWH Regards, Bob Helt In a message dated 7/6/2012 6:04:53 P.M. Mountain Standard Time, ScottyGrover at aol.com writes: pay approximately (it varies with amount used and the seasons) $1.16 per kwh. 16 kwh x $1.16 per kwh = $18.56 to charge the battery. $18.56 per charge