What is Voltage Optimisation?

Put simply, Voltage Optimisation is a form of Voltage Management specifically designed for reducing energy consumption. Voltage Optimisation is a term used around voltage management when a desire to reduce energy consumption by up to 20% is managed by adjusting and controlling voltage levels on a user’s site.

Voltage optimisation is a transformer based technology, the principal is based around supplying a voltage level more suitable to the actual electrical device in order for it to perform its task more efficiently and in line with limits of European harmonised voltage while basic design is a low loss series connected transformer designed to optimise a whole site or individual loads to target the most optimisable loads.

How does VO work?

The National Grid delivers, on average, 242 volts to all UK users. With voltage optimised, electrical equipment works at optimum cost efficiency at 220 volts. All supply above 220v is waste.

Through Ohm’s law, optimising voltage on any supply produces instant kWh savings of up to 19%, which will give an instant reduction in electricity bills and carbon footprint. In addition, and as confirmed by the UK’s wiring regulations (BS7671), any electrical equipment required to work at 242v, will suffer a reduced working life by up to 46%.

The Key Benefits

Benefits of our Compact Voltage Optimiser

Our Domestic Voltage Optimisers Save up to 20% on your electricity bills and protect all your electrical devices .

  • Reduces Electricity bills by Up To 20%
  • Works on all circuits within a building all day every day
  • Simple installation – Usually around 1 hour with no need to change your electricity supplier
  • Increases the life of all electrical equipment
  • Can be installed alongside Solar PV and improves efficiency of heat pumps and Solar PV systems
  • No maintenance required
  • Guaranteed savings
  • 15 years warranty

Where are the savings made?

On average the voltage in the United Kingdom is 242V and due to electrical equipment being manufactured to work anywhere in the European Union, this means that the optimum operating voltage required by electrical equipment to work most efficiently is around 220V. This overvoltage is not only costing more than required, but it can also shorten the life of electrical equipment.


Our domestic voltage optimisation system makes sure that a building only consumes and pays for the voltage level that it really needs rather than the overvoltage supplied from the grid. It does this by optimising the incoming voltage by up to -25V. This lowers electricity consumption, reduces electricity bills and reduces the wear and tear on appliances and electrical equipment
.

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