Since I have switched to nPower, I have got lot of issue with billings and over payment. They hardly give me refund back. I ended up switching my contract with them last year. they forcefully switched my contract early, so they can charge me more for my bills. As new contract with charging me higher tariff, which worked in their favour. Their customer service is nightmare. If I ask them about A, they answer me about Q. It is utmost greedy company, they have absolutely no respect for customer or practice any ethical / moral business practices. Its like Money is their GOD