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  • Writer's pictureSally Cox

Why would Voltage Optimisation be of interest?

Updated: Mar 6

In the UK, our electricity is supplied on average at 242 volts. Most of our electrical equipment works at 220 volts. This means that we are needlessly wasting energy, carbon and money.


Voltage Optimisation

Voltage Optimisation is an electrical energy saving technique that is installed in series with the electricity supply to provide a reduced supply voltage for the site's equipment. It reduces the voltage of the electricity that is supplied to equipment, meaning that excess voltages from the grid supply aren’t used on site.


What benefits could we see from using Voltage Optimisation?


  1. Energy Efficiency: VO adjusts and controls voltage levels to match the requirements of electrical equipment, reducing energy consumption.

  2. Cost Savings: By optimising voltage, you can save on energy bills as appliances operate more efficiently at their ideal voltage levels.

  3. Improved Power Quality: VO enhances power quality by balancing phase voltages and filtering out harmonics and transients from the supply, resulting in smoother electrical operation.

  4. Longer Equipment Lifespan: Providing machinery with the correct voltage reduces stress on them, (excess voltage is wasted as heat, light and vibration) potentially extending their lifespan and reducing maintenance costs.

  5. Environmental Impact: Reduced energy consumption through voltage optimisation contributes to a lower carbon footprint and promotes sustainability.

  6. Regulation Compliance: In some cases, voltage optimisation may be required to meet certain regulations or standards related to energy efficiency and environmental conservation.


Voltage Optimisation cuts energy consumption by 8-15% which generates an average payback of approx 2 years, in our experience often closer to 1 year. It is also relatively quick and easy to install.. Get in touch if you'd like to know more.





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