If you're running a UK business, energy is probably one of your top three overheads. And unlike rent or payroll, it's one you can cut without changing anything about how you operate.
Here's what actually moves the needle.
1. Stop rolling over your contract
This is the single biggest mistake businesses make. When your fixed-rate contract expires, your supplier moves you onto an out-of-contract rate. These rates are typically 30-50% higher than what you'd get by actively switching.
Set a reminder 3-4 months before your contract ends and start comparing.
2. Compare the whole market, not just your current supplier
Your existing supplier will offer you a renewal rate. It's rarely the best one available. Suppliers price differently depending on the time of year, their capacity, and what profile of customer they want.
An energy broker compares rates across every available supplier and shows you the full picture. A good broker will present the supplier rate, standing charge, and their fee transparently so you can make an informed decision.
3. Check your meter type
Many small businesses are on the wrong meter profile. If you've grown, your consumption may have crossed a threshold where you qualify for better rates on a different meter class.
Ask your supplier or broker to check whether your current meter profile is still the right one.
4. Look at your standing charges
Most businesses focus on the per-kWh rate and ignore standing charges. But standing charges can vary by £100-£200 per year between suppliers for the same meter. Always compare the total cost, not just the unit rate.
5. Consider contract length
Longer contracts (2-3 years) often come with lower rates because the supplier locks in their margin. But you lose flexibility if prices drop. In a falling market, a shorter contract might save more.
There's no universal answer. It depends on your risk appetite and cash flow.
6. Use an energy broker (but check their fees)
A good broker searches the whole market and saves you time. But not all brokers are transparent about what they earn. Some take commissions of 3-5p/kWh without telling you.
Ask any broker to show their fee on every quote. You should be able to see exactly what the supplier charges and what the broker earns. If they won't disclose it, find one who will.
7. Track your renewal dates
If you manage multiple sites, missed renewal dates are expensive. Each site that rolls over onto out-of-contract rates can cost thousands per year.
A well-organised broker will track every renewal date and alert you when it's time to compare again. If yours doesn't, consider switching to one who does.
What to do next
8. Validate your bills
Even after switching to a better rate, billing errors can wipe out your savings. Industry data shows 1 in 5 energy bills contain errors. Wrong unit rates, incorrect VAT, standing charge mismatches. If nobody checks, you pay whatever the supplier sends.
Once you've switched, make sure your new bills are correct. Edge validates every charge against the contract automatically, so billing errors get caught before you pay them.
Not sure whether to go through a broker or call suppliers directly? Read the comparison of energy broker vs going direct. And if you're weighing up whether a fixed or variable rate makes more sense right now, see the guide to fixed vs variable energy rates.