When a business looks at its electricity bill, two figures do most of the work: the unit rate and the standing charge. Understanding what these are, how they interact, and why they matter is the key to judging whether your business electricity deal is competitive. Many owners focus on one and ignore the other, which can lead to poor decisions. This guide explains both charges clearly and shows how to use them to your advantage.
What the Unit Rate Is
The unit rate is the price you pay for each unit of electricity you use, measured in kilowatt hours, or kWh. Every time your business consumes a unit of electricity, you are charged the unit rate for it. Because this charge scales with your usage, it forms the largest part of most business electricity bills. The more electricity you use, the more the unit rate matters.
The unit rate is set by your contract and reflects the market at the time you agreed it. This is important, because energy prices move, so a unit rate agreed at one point can become uncompetitive as the market shifts. The unit rate is where most of the cost lives, and therefore where most of the saving opportunity lies.
What the Standing Charge Is
The standing charge is a fixed daily amount you pay regardless of how much electricity you use. It covers the cost of maintaining your connection to the network, keeping your account active, and other fixed costs of supply. Even if your business used no electricity at all during a period, you would still pay the standing charge for each day.
Because it is fixed, the standing charge matters more, proportionally, to businesses with low usage. A high usage business will find the unit rate dominates its bill, while a low usage business may find the standing charge is a significant share. Knowing which describes your business helps you judge which figure to weigh most heavily.
Why You Must Look at Both Together
The common mistake is comparing deals on the unit rate alone. A supplier can offer an attractive low unit rate but pair it with a high standing charge, so that the total cost for your usage is actually higher than a deal with a slightly higher unit rate and a low standing charge. Judging a deal on one figure in isolation can lead you to the wrong choice.
The correct approach is to calculate the total expected cost for your actual usage, combining both charges. This gives a true like for like comparison. Because doing this across many suppliers takes time, many businesses use a broker such as Utility Bidder to compare the full cost of deals matched to their consumption, rather than being misled by a single headline number.
How Usage Changes the Picture
Your usage profile determines how the two charges affect you. A business that runs a lot of equipment for long hours has high consumption, so the unit rate is the dominant factor and a small reduction there saves a lot. A business with modest usage, perhaps a small office, may find the standing charge is a larger proportion, so a deal with a lower standing charge could suit it better even if the unit rate is slightly higher.
This is why there is no single best deal for every business. The right choice depends on your usage, which is why understanding your own consumption is the foundation of choosing well.
Checking Your Own Bill
Once you understand these charges, your bill becomes easier to read. Find your unit rate and your standing charge, note your consumption, and you can see exactly how your total is built. Compare your unit rate against the current market to judge whether it has fallen behind, and check that your standing charge is reasonable. If either looks high, that is a signal to compare the market and consider switching.
Frequently Asked Questions
What is a unit rate in business electricity?
It is the price you pay for each unit of electricity used, measured in kWh. It scales with your usage and forms the largest part of most business electricity bills.
What is a standing charge?
A fixed daily amount you pay regardless of usage, covering the cost of your connection and account. You pay it even if you use no electricity in a period.
Why should I not compare deals on the unit rate alone?
Because a low unit rate can be paired with a high standing charge, making the total cost higher. You should compare the total cost for your usage, combining both charges.
Which charge matters more for my business?
It depends on your usage. High usage businesses are affected most by the unit rate, while low usage businesses may find the standing charge is a larger share of the bill.
How do I know if my rates are competitive?
Compare your unit rate and standing charge against the current market for your usage. If either looks high, it is a signal to compare suppliers and consider switching.
Final Thought
The unit rate and standing charge are the two building blocks of every business electricity bill. The unit rate scales with usage and usually dominates, while the standing charge is fixed and matters more to low usage businesses. The key is to judge deals on the total cost for your actual usage rather than a single figure. Understand both charges, read your bill with confidence, and compare properly, and you will always know whether your business electricity deal is genuinely competitive.