F**NG SCAM. Their agent knocked on my door last year and I couldn't get rid of him. He insisted in showing me amazing offer that I will be paying £27 a month on electricity. So I agreed and we sat a direct debit on the spot. At the end of the year I received a £1250 bill. They claimed these were usages outside my terrif. Why did they not notify me on time? I'm also not convinced as I live alone and hardly in the flat. How is it possible that I was using £131 a month on electricity alone?? Now spark got out business, I got moved into SSE who arranged repayment plan for this huge debt in now in. If I don't pay it my credit score will be destroyed. What a F****G AMAZING OFFER