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Why is my direct debit so high — and should I lower it?

Your direct debit is an estimate of a whole year’s energy, smeared evenly across twelve months — so it’s meant to sit above your summer bills and below your winter ones. A high number isn’t automatically wrong; the question is whether it matches what you actually use.

• It’s a year, divided by twelve. You use far more energy in winter than summer, but you pay the same each month. So in summer you build up credit the supplier holds — your money — to cover the winter you haven’t reached yet. A bit of summer credit is completely normal.
• When it’s genuinely too high. If your credit balance keeps climbing month after month, or you’re carrying a big pile of it going into winter, the direct debit is set above what you use — you’re lending the supplier money for nothing. How to check if you’re owed money →
• When it’s just the season (or a fair reset). A jump after a price-cap change, or a right-size after a cold winter drained your credit, can be perfectly fair. The number going up isn’t proof of a problem — it’s only a problem if it doesn’t match your real usage.
• How to check it in five minutes. Find your current credit balance in your supplier’s app, then compare your direct debit × 12 against what your energy actually costs over a year. If the payment is running well ahead of the cost, you can ask them to lower it and refund the surplus.
• Lower it — but keep a winter buffer. Set it too low and you just defer the cost into a nasty catch-up bill in spring. The aim isn’t the smallest possible payment; it’s the right one for your home. The full overpaying check →

Whether your direct debit is fair comes down to your real usage, not a typical-home guess. Joulely ties what you pay to what you actually use and tells you straight if it’s set too high — free, impartial, and nothing sold. Or see what’s driving a high bill →