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How Much Are UK Businesses Overpaying on Energy in 2026?

For most UK businesses, energy is one of the largest controllable overheads, yet it’s also one of the least reviewed. We regularly speak to businesses who haven’t looked at their energy contract in 2–3 years. In almost every case, they’re overpaying — often significantly.

Most UK businesses are overpaying on energy

The reality in 2026

Energy prices have stabilised compared to the volatility of recent years, but that doesn’t mean businesses are getting good value.

In fact, many are stuck in:

  • Out-of-contract rates, some of the highest in the market
  • Auto-renewed agreements with poor terms
  • Tariffs that no longer reflect current market conditions

If your contract hasn’t been actively reviewed in the last 12–24 months, there’s a strong chance you’re paying more than you need to.

What does “overpaying” actually look like?

From what we see across the market:

  • SMEs can often reduce costs by 10–25%
  • Larger or multi-site businesses can see even greater savings through consolidation and negotiation
  • Businesses on deemed or rollover rates can be overpaying by 30%+

Quick question — are you overpaying?

Most businesses are. A quick check could save you thousands.

Check My Energy Costs →

Final thought

Most businesses don’t realise they’re overpaying until they see the comparison.

A simple review could unlock immediate savings without changing how you operate.

You might already be overpaying

Most businesses don’t realise until they see the comparison. We’ll show you exactly where you stand — no pressure.

Get My Free Energy Review →