BrightRidge Officials Have Said A Power Substation To Serve The Growing Area Of Johnson City And Jonesborough Is Expected To Be Completed By The End Of Next Month. The Facility Is Costing 3.6 Million Dollars. Construction On The Midway Project Started Last Year And Is Being Constructed On 14 Acres East Of Jonesborough. It Will Allow BrightRidge To Transfer Load From Other Substations In Need Of Repair. Officials Said It Gives Them More Flexibility.