Customers Of Johnson City Power Board Aren’t Happy To Be Paying Higher Electric Bills These Days. The Power Board Is Blaming The Weather For The Jump In The Bills. Last Year The Average Household Used 1,781 Killowatt Hours. This Year, That Number Jumped To 0ver 22-Hundred. The Power Board’s Overall Rates Are Actually About 20 Percent Lower Than Last Year Because Tva Lowered Its Fuel Rates.