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Upload a recent bill, or enter your address. Either way we price every plan available to your home; what you give us decides how close the figure is.
An address alone is priced on a benchmark household like yours, so the answer is a range. A bill gives us your own usage, your tariff and what you pay now. A smart-meter data file gives us your real half-hourly load, so time-of-use and demand tariffs are priced on when you actually use power rather than on an estimate. A bill and a meter file together are the most accurate we can be, and you can send both.