Customers Of Johnson City Power Board May Have To Dig A Little Deeper In Their Pockets Soon. That Is If The Agency Raises Residential Rates To Cover Losses From A Mandated Manufacturing Rate Decrease. The Johnson City Power Board Has Approved A Plan To Increase Residential Rates To Partly Cover Losses From Tennessee Valley Authority’s Lowering Of Manufacturing Rates. The Option Is Pending New Recommendations Due Out In About A Month.