Voltage optimisation techniques for businesses

Voltage Optimisation

Have an interest in voltage optimisation and its advantages? You are in the right place. We have created the following guide to help you understand everything you need to know about voltage optimisation.

What is voltage optimisation?

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How can voltage optimisation save my business energy?

As a result of anachronistic electricity distribution networks, energy that is supplied through the National Grid normally has a higher voltage than that required. Furthermore, electricity suppliers were obligated to supply voltage to all buildings within set parameters in years past.

The purpose of voltage optimisation is to lower these unnecessarily high voltage levels through regulating the incoming power supply. This method of efficiency helps save energy and consumers money at the same time.

How does voltage optimisation actually work?

Each provider that utilises voltage optimisation technology will have their own processes, these can vary from one to another. However, generally speaking, the system will operate through a method of taking the required voltage from the National Grid, making use of this and then returning the extra energy so that there is no energy wastage. Through this process, negative power is created. This increases supply and simplifies the energy consumption of the site it is related to.

By now it is no secret that commercial entities are using far too much energy and are paying for the excess to do so. The benefits that voltage optimisation provides are as clear as day. Businesses that utilise these processes will be able to reduce their carbon emissions, lower energy consumption and save money on commercial electricity in the process.

Voltage can be reduced through the following two ways:

  • The voltage can be reduced to a predetermined set level via variable electronic, dynamic voltage optimisation.
  • The voltage can be reduced by a specified amount which is set in relation to the incoming supply. This is referred to as fixed voltage optimisation.

In the past, there used to be a level of discourse in regard to how effective voltage optimisation actually was, along with its implementation. In the modern age, advancements in science and technology have been able to thoroughly test its use to prove its effectiveness. Did you know that the process can actually be traced back almost one hundred years ago when it is thought to have been used in the glass industry?

Who can take advantage of voltage optimisation?

What are the advantages and disadvantages?

To get a better understanding of voltage optimisation, we have highlighted some of its main advantages and disadvantages below.


  • Helps to streamline energy usage significantly, this can result in lower cost bills and reduced carbon emissions.
  • It could provide payback within one to two years of use.
  • It is a tried and tested method that has been used for over 100 years to ensure that only the optimal voltage levels are being delivered to your electrical equipment.
  • Energy savings of 16% on appliances, 14% on chillers, 15% on certain types of lighting, and 4% on direct motors are possible through the effective use of voltage optimisation.
  • Can be installed at the distribution level or the low voltage incomer.


  • Initial investment costs can be high.
  • Setup and installation could cause temporary disruption to the power supply.

A voltage optimisation study from Intel

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