Managing Business Energy Costs: A Guide for SME Managers

Managing Business Energy Costs: A Practical Guide for SME Managers

Managing business energy costs effectively comes down to understanding how commercial contracts work, reading your bills properly, and timing your procurement decisions well. Unlike domestic energy, business energy operates with fewer automatic protections and more room for negotiation, which means informed managers can secure better deals while unprepared ones may end up paying significantly over the odds.

Not sure if you are overpaying on out of contract rates? Check in about a minute with our free Out of Contract Energy Rate Checker.

How Business Energy Contracts Differ from Domestic

If you have only dealt with household energy before, business contracts will feel quite different. The consumer protections you may take for granted at home often do not apply in a commercial setting.

There is no automatic cooling off period for business energy contracts. Once you sign, you are generally bound by the terms for the full contract length, which can run from one to five years. Some suppliers offer a brief window to cancel, but this is a commercial decision rather than a legal requirement.

One of the most expensive mistakes SMEs make is allowing a contract to expire without arranging a new one. When this happens, you will usually be moved onto what suppliers call deemed or out of contract rates. These rates can be substantially higher than negotiated fixed prices, sometimes by a considerable margin. Suppliers are required to notify you before your contract ends, but the onus is on you to act in time.

Micro businesses do receive some additional protections under Ofgem rules. A micro business is defined as having fewer than 10 employees, or using less than 100,000 kWh of electricity or 293,000 kWh of gas annually. If you meet either threshold, suppliers must give you a written contract, provide clearer information about terms and pricing, and follow rules about contract renewals. Citizens Advice can help micro businesses with energy disputes and complaints.

Larger SMEs fall outside these protections and are treated as sophisticated commercial customers, even when they lack dedicated energy procurement expertise.

Understanding Your Business Energy Bill

Business energy bills contain several line items that domestic bills do not, and understanding each one helps you spot errors and compare quotes accurately.

• Unit rate: The price per kilowatt hour of energy you consume. This is usually the largest variable cost on your bill and the figure most people focus on when comparing suppliers.
• Standing charge: A fixed daily amount covering the cost of maintaining your supply, regardless of how much energy you use. This varies by meter type and location.
• Capacity charge: For electricity supplies with higher capacity requirements, you may pay a charge based on your agreed available capacity, measured in kilovolt amperes. If your actual demand regularly exceeds your agreed capacity, you may face excess capacity charges.
• Climate Change Levy: A tax on energy supplied to businesses, intended to encourage energy efficiency. The current rates are set by HMRC and change periodically. Some businesses in energy intensive sectors may qualify for reduced rates.
• VAT: Most businesses pay the standard rate of VAT on energy. However, if you use a small amount of energy or qualify as a domestic user for part of your supply, you may be eligible for the reduced rate on some or all of your usage. Your supplier should be able to advise on eligibility.

When comparing quotes, ask suppliers to break down costs into these components. A low unit rate can be offset by high standing charges or capacity costs, making the overall deal less competitive than it first appears.

Difficult Conversation Planner

Plan a tricky conversation with someone in your team, from underperformance to conduct or a sensitive issue, so you go in clear, fair and prepared.

Try our Difficult Conversation Planner free, here on this site →

Fixed Rates Versus Flexible Contracts

Choosing between a fixed rate contract and a flexible or variable arrangement depends on your appetite for risk and your ability to monitor wholesale markets.

Fixed rate contracts lock in your unit rate for the contract term, giving you cost certainty for budgeting purposes. This works well when wholesale prices are low or rising, but can leave you paying above market rates if prices fall after you commit. Most SMEs find fixed contracts easier to manage and prefer the predictability they offer.

Flexible contracts, sometimes called pass through or variable contracts, track wholesale prices more closely. Your costs will move with the market, which can mean savings when prices drop but higher bills when they spike. These contracts suit businesses with the time and expertise to monitor energy markets or those with flexible operations that can shift usage to cheaper periods.

Timing matters with fixed contracts. Energy suppliers price fixed deals based on wholesale market conditions at the time you agree terms. Locking in during a price spike may commit you to high rates for years. Many businesses begin looking for new contracts three to six months before their current deal expires, giving time to watch the market and compare offers.

Working with Brokers and Third Party Intermediaries

Energy brokers, also called third party intermediaries or TPIs, can save you time by comparing suppliers and handling negotiations on your behalf. A good broker will understand your usage patterns, explain contract terms clearly, and find competitive deals across the market.

However, the business energy broker market has historically had limited regulation, and some practices have caused problems for SMEs. Signs of a problematic broker include:

• Refusing to disclose how they are paid or how much commission they receive
• Pressuring you to sign quickly without time to review terms
• Adding their own fees on top of supplier charges without clear disclosure
• Automatically renewing your contract without your explicit agreement
• Preventing you from contacting suppliers directly

Ofgem has introduced a voluntary code of practice for TPIs, and many reputable brokers have signed up. Before engaging a broker, ask whether they subscribe to any industry codes, request written confirmation of all fees and commissions, and get quotes in writing with full breakdowns. You are entitled to know exactly what you are paying for.

If you prefer, you can approach suppliers directly. This takes more time but removes any uncertainty about intermediary costs.

Your situation may be slightly different. ask a question below ↓ and our editorial team will reply with our advice.

Resolving Billing Disputes

If you believe your bill is incorrect or you have a complaint about your supplier, start by raising the issue directly with them. Keep records of all communications, including dates, names of staff you speak with, and reference numbers.

For micro businesses, if your supplier does not resolve your complaint within eight weeks, or if they send you a deadlock letter, you can escalate to the Energy Ombudsman. The Ombudsman can investigate complaints about billing, sales practices, contract terms, and service failures. Their decisions are binding on suppliers but not on you, so you can reject a finding and pursue other options if you wish.

Citizens Advice provides guidance for micro businesses on energy issues and can help you understand your rights before escalating a complaint.

Larger SMEs outside the micro business definition may not have access to the Ombudsman and will usually need to resolve disputes through direct negotiation or, in serious cases, through the courts or arbitration. Checking your contract for any dispute resolution clauses is worthwhile before a problem arises.

Practical Steps to Control Costs

Beyond procurement, there are operational steps that can reduce your energy bills:

• Review your capacity agreement annually to ensure you are not paying for more than you need
• Check whether you qualify for reduced VAT rates or Climate Change Levy exemptions
• Set calendar reminders for contract end dates at least four months in advance
• Request smart meters if you do not already have them, as they can help identify usage patterns and waste
• Consider whether your business could benefit from a fixed price during volatile market periods, even if it means paying a small premium for certainty

Ofgem publishes guidance on business energy rights and supplier obligations. For tax related queries about the Climate Change Levy or VAT, GOV.UK has the current rates and eligibility criteria.

Frequently Asked Questions

Can I switch business energy supplier whenever I want?

In most cases, no. Business contracts usually run for a fixed term, and leaving early may trigger termination fees. Check your contract for the notice period required and any penalties for early exit.

What happens if my supplier goes bust?

Ofgem will appoint a new supplier to take over your account through its supplier of last resort process. Your supply will not be cut off, but you may be moved onto different contract terms with the new supplier.

Do I have to use a broker to get a good deal?

No. While brokers can save time, you can approach suppliers directly and negotiate your own terms. This may be worthwhile if you have concerns about broker transparency or prefer to manage the process yourself.

Where can I check the current Climate Change Levy rates?

HMRC publishes the current Climate Change Levy rates on GOV.UK, along with information about exemptions and reduced rates for qualifying businesses.

The Next Step

Now that you have read through the advice above, you might want to put it into practice. Our Difficult Conversation Planner lets you plan a tricky conversation with someone in your team, from underperformance to conduct or a sensitive issue, so you go in clear, fair and prepared. Try it now →