Cheapest fixed business energy rates UK 2026

Compare whole-of-market fixed business electricity and gas tariffs for 2026. Tell us a few details and we’ll match you with competitive fixed-rate deals for your meter type, usage and location.

  • Whole-of-market comparison for UK business energy (electricity, gas or both)
  • Fixed contracts for 12–60 months, including options to align with your renewal date
  • Support for SMEs, multi-site businesses and landlords (single or multiple meters)
  • Switch support from start to finish—no disruption to supply

We compare business energy tariffs across the market. Quotes depend on meter type, consumption, contract length and supplier appetite at the time of pricing.

Get the cheapest fixed business energy rates available for your business in 2026

There isn’t one single “cheapest” fixed tariff for every UK business—prices vary by meter type (e.g. single-rate, day/night, half-hourly), annual consumption, contract length, credit profile and region. EnergyPlus compares fixed business electricity and gas deals across the market and helps you secure a rate that fits your renewal window for 2026.

Tip for cheaper fixed rates: Start comparing before renewal. Many suppliers price more competitively when you’re not switching at the last minute, and longer fixed terms can sometimes reduce unit rates (but check flexibility and exit fees).

What you’ll get

  • Fixed-rate options for electricity, gas or dual fuel
  • Quotes matched to your meter and usage (including half-hourly and multi-site)
  • Clear breakdown of unit rate (p/kWh) and standing charge (p/day)
  • Switch support: paperwork, supplier changeover, and start date alignment

Compare fixed rates for 2026

Learn more first

By submitting, you agree we can contact you about business energy quotes. We’ll only use your details to provide pricing and support your switch.

Why businesses choose fixed-rate energy contracts for 2026

A fixed business energy deal locks your unit rate and standing charge for the contract term (subject to contract terms), helping you budget and protect cashflow. For many UK businesses planning for 2026, fixed pricing can be a practical hedge against market volatility—especially if energy is a major operating cost.

More predictable bills

Your p/kWh and p/day stay consistent, making it easier to forecast costs, price jobs and set margins—particularly useful for hospitality, manufacturing and retail.

Better renewal control

We can align start dates to your renewal window and compare multiple term lengths, so you can balance price with flexibility.

Reduced admin risk

Avoid rolling onto expensive out-of-contract rates. We help you plan ahead and switch cleanly without supply interruption.

Planning for 2026: If your contract ends in 2026, it’s often worth comparing fixed deals well in advance to secure pricing and avoid time pressure.

Fixed business energy rates explained (UK)

A fixed-rate business energy tariff is a contract where the supplier sets your unit rate (p/kWh) and standing charge (p/day) for an agreed term—commonly 1 to 5 years. Your actual bill still changes with your usage, but the underlying rates remain fixed for the duration.

What’s typically fixed

  • Unit rate (pence per kWh)
  • Standing charge (pence per day)
  • Contract term (e.g. 12, 24, 36, 48, 60 months)
  • Start date (often aligned with contract end date)

What can still change

  • Monthly/quarterly bill (depends on usage)
  • VAT (business VAT rules apply; many pay 20%, some eligible for 5%)
  • Pass-through elements (where applicable on some HH/large supply contracts)
  • Business circumstances (e.g. moving premises or adding meters)

If you’re unsure whether your supply is half-hourly, multi-rate or standard, submit the form above and we’ll confirm the best route to accurate pricing.

How EnergyPlus finds cheaper fixed business energy rates

We make it simple to compare fixed tariffs across the market and secure a contract that fits your 2026 plans. You can switch electricity, gas or both—without interruption to supply.

  1. Tell us your basics — business postcode, meter type (if known), usage estimate and renewal date.
  2. We compare whole-of-market pricing — matching suppliers to your profile and appetite for your sector and meter type.
  3. Review fixed-rate options — compare unit rates, standing charges, term lengths and contract conditions.
  4. Choose a deal and switch — we support the admin so you can focus on running the business.

Best time to compare for 2026

If your contract ends in 2026, compare as early as you can. More lead time generally means more supplier options and less risk of rolling onto expensive out-of-contract rates.

No disruption to supply

Switching supplier changes your billing and rates—not your physical gas/electricity supply. Your business stays on supply during the changeover.

What affects the “cheapest” fixed business energy rate in 2026?

Suppliers price business energy based on risk and cost to serve. To find genuinely cheap fixed rates for 2026, it helps to understand the variables that move your quote up or down.

Pricing factor Why it matters How to improve your chances of a cheaper fixed rate
Annual kWh usage Higher or more stable usage can open up more supplier appetite, but certain profiles (e.g. seasonal peaks) can price higher. Use a realistic estimate from bills or your online account; include recent operational changes to avoid mismatched quotes.
Meter type Half-hourly and multi-rate meters can have different structures and pass-through elements. If unsure, submit your details—accurate meter info improves quote accuracy and comparability.
Contract length Longer terms can reduce unit rates, but may increase commitment and exit fee risk. Compare 12–60 months side-by-side; consider a term that matches lease length or site strategy.
Payment method & credit checks Some suppliers price differently based on perceived risk and preferred payment approach. Have company details ready; consider whether deposits are acceptable for lower rates.
Region & network costs Distribution charges and regional factors influence overall costs. Ensure the trading address and supply postcode are correct—especially for multi-site portfolios.

Important: “Cheapest” should be measured by total cost for your usage profile—not only the headline unit rate. Standing charges and contract structure can materially change the final bill.

Common mistakes that stop businesses getting the cheapest fixed rates

If you’re targeting the cheapest fixed business energy rates in the UK for 2026, avoid these frequent pitfalls. They often lead to fewer supplier quotes, higher pricing, or contracts that don’t fit your operations.

Waiting until the last minute

When renewal is urgent, options shrink. Early comparison tends to increase supplier appetite and lets you choose the right start date.

Comparing “headline rates” only

A low unit rate can be offset by a high standing charge, pass-throughs, or an unsuitable structure for your usage pattern.

Not accounting for operational change

New equipment, extended opening hours, or added sites can shift consumption. Quotes should reflect the next contract period, not last year’s business.

Overlooking contract terms

Cheaper fixed rates can come with stricter terms. Always check end dates, renewal processes, change-of-tenancy requirements and any exit fees.

Incorrect meter details

Wrong meter type or usage estimates can result in inaccurate quotes and delays. If you’re unsure, we’ll help identify the right pricing path.

Check my cheapest fixed options

Who can get fixed business energy rates in 2026?

EnergyPlus supports most UK organisations that have a business electricity and/or gas supply. Whether you’re renewing, moving premises, or consolidating multiple meters, we’ll guide you to appropriate fixed-rate options.

SMEs & limited companies

Offices, shops, restaurants, warehouses and service businesses looking for budget certainty and a clean renewal process.

Multi-site & franchises

Multiple meters across regions, shared ownership structures, or centralised procurement requirements.

Landlords & managed properties

Supplies for common areas, void properties, or business tenancies—where continuity and correct billing are critical.

Already out of contract? You may be paying higher variable/out-of-contract rates. Compare fixed deals now and set a start date as soon as possible.

FAQs: cheapest fixed business energy rates UK 2026

Is there a single cheapest fixed business energy tariff in the UK?

No. The cheapest fixed rate depends on your meter type, annual kWh, payment profile, contract length and location. That’s why whole-of-market comparison is the fastest way to find the best-fit deal for your business.

Can I secure a fixed rate for 2026 if my contract ends later?

Often, yes—depending on supplier rules and your current agreement. We’ll look at your renewal window and advise on the best time to lock in a fixed deal for your 2026 start date.

Do fixed business energy deals include VAT?

Quotes typically show rates excluding VAT, because VAT treatment depends on your business type and eligibility. We can help you understand how VAT applies to your supply when comparing deals.

Will switching disrupt my electricity or gas supply?

No—switching changes who bills you and the rates you pay. Your physical supply remains continuous during the changeover.

What contract length is cheapest for 2026?

It varies. Some businesses find 24–36 months offers strong value, while others prefer 12 months for flexibility. We’ll compare multiple term lengths so you can choose based on total cost and risk.

I don’t know my usage—can I still get quotes?

Yes. Provide your details and any recent bills if available. We can usually estimate consumption and confirm meter details to produce accurate fixed-rate comparisons.

Get my 2026 fixed-rate quotes Read fixed-rate basics

Trusted support for business energy switching

Businesses use EnergyPlus to compare fixed rates, understand contract terms, and switch with confidence. Our job is to help you find competitive pricing and make the process straightforward.

“We renewed early and locked a fixed rate that made budgeting for 2026 much easier.”

Operations Manager, UK SME

“Clear comparisons and quick answers on contract terms—no jargon.”

Finance Lead, Multi-site retailer

“Switch handled smoothly; we stayed on supply throughout.”

Director, Professional services

Whole-of-market comparison: We look across a broad supplier panel to find competitive fixed business energy rates for your specific supply details.

Ready to secure a cheaper fixed business energy rate for 2026?

Submit your details and we’ll compare fixed-rate electricity and gas deals for your business. You’ll receive options matched to your meter type, usage and contract needs.

Get fixed-rate quotes See what affects price

No disruption to supply. Quotes are tailored and subject to supplier availability and eligibility.

Back to Business Energy



Updated on 21 Dec 2025