2,500 houses in Knaresborough without power kna Knaresborough aerial. King James's School. 091109M2z. Around 2,500 homes in Knaresborough are without power this afternoon after a voltage fault. Homes in the HG5 postcode are affected and Northernpowergrid say it hopes to have restored power by 6.15pm. Harrogate's very own Brexit? So will the Otley Road cycle path ever be built?