Hi, I'm having exactly the same problem, except with my situation my existing smart meter (294850) was replaced with another smart meter (294856). Usage on the previous smart meter had an average daily usage of around 4.45kWh, however now my average daily usage is 24.24kWh.. huge difference!! Think I need to get in touch with the Energy Ombudsman, as it's been a few months and still no resolution. Also, not sure if this makes a difference but our new smart meter is 3 phase 4 wire. We only have a ...