Voltage optimisation for businesses.

Are you paying for power you don’t need?
If your energy bills are creeping up and your systems aren’t lasting as long as they should, there might be a reason no one’s told you about.
Most UK businesses receive more voltage than their equipment actually needs. The supply is usually around 240 volts but most commercial kit runs best at 220.
That extra voltage doesn’t boost performance. It just wastes energy, puts pressure on your systems, and adds unnecessary cost.
Voltage optimisation fixes this. It brings your supply down to the right level – helping you cut waste, protect your equipment, and meet your sustainability targets without affecting how anything runs.
But it’s not a one-size-fits-all fix. That’s why we always start by checking if your site actually needs it.
How voltage optimisation works
Voltage optimisation equipment sits between your mains supply and your electrical systems. It adjusts the incoming voltage in real time, bringing it down to the level your equipment actually needs (usually 220 volts).
It works automatically in the background. No manual control, no ongoing input needed. Once installed, it just gets on with the job.
It’s a one-time setup that can reduce your energy use from day one, without disrupting your operations or affecting performance.
What are the benefits of commercial voltage optimisation?
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It brings your energy use down
By reducing excess voltage, you’re not drawing more power than you need. Many businesses see energy use drop by up to 19% and most get their investment back within 12 to 18 months through lower bills.
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It helps your equipment last longer
Too much voltage puts stress on your systems. It can lead to overheating, breakdowns and early failures. Voltage optimisation brings things back to a safer level, which helps your kit run more smoothly and last longer.
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It supports your sustainability goals
Less energy used means fewer carbon emissions. It’s a simple change that can help with internal targets and external reporting, without needing to overhaul how you operate.
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It’s low effort, with no disruption
Installation is straightforward, and most systems are up and running quickly with minimal downtime. Once it’s in, it works in the background without needing attention from your team.
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It’s proven to work
This isn’t a new idea. Thousands of businesses across the UK already use voltage optimisation, including some of the biggest names in retail and manufacturing.


Not sure if your voltage is too high? Try Troo Volt
Most businesses don’t realise they’re being over-supplied. That’s why we created Troo Volt, a small, plug-in device that checks your voltage in seconds.
There’s no need for site visits or technical setup. Just plug it in, and it gives you a clear reading. Simple as that.
Once you’ve got your results, we can take a look and let you know whether voltage optimisation is likely to be a good fit. And if it’s not the right call for your site, we’ll tell you that too. It’s a quick, no-obligation way to get a clearer view of your energy use.

Why choose Troo for voltage optimisation?
We don’t recommend voltage optimisation unless we’re confident it’ll work for your site. That’s how we work, and it’s how we build trust.
You check your voltage using the free Troo Volt. It’s quick, simple and gives a clear picture of how your site’s running.

We review the results and look at your wider energy use to understand whether voltage optimisation will actually make a difference.

If it’s the right fit, we’ll talk you through the options clearly, and if it’s not, we’ll say so.

We manage everything from installation to testing, with minimal disruption.

You’ll have ongoing support from our dedicated customer service team, Troo Assure.

Ready to check your voltage?
Request your free Troo Volt and take the first step towards cutting waste and protecting your systems.
Want to do more to cut energy waste?
Voltage optimisation is just one way to take control of your energy use. We also support businesses with other energy efficient solutions, all designed to help reduce waste and support your sustainability plans.
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