Energy efficiency technology

Reduce Wasted Energy and Protect Your Equipment

Voltage optimisation reduces the voltage of the electricity supplied to your site to the optimal level for your equipment, cutting energy waste, lowering bills, and extending the life of electrical assets.

Engineer adjusting a voltage optimisation control unit in a plant room
Close-up of a voltage optimisation control unit cabinet with dials and gauges
How voltage optimisation works

What Is Voltage Optimisation?

The UK typically supplies power at 242–244 volts, but most equipment is designed to operate optimally at 220 volts. This excess voltage generates heat, causes wear on motors and lighting, and increases consumption.

Installing a voltage optimisation unit at your incoming supply reduces voltage to efficient levels, potentially cutting electricity use by 8–15% without affecting performance.

  • 8–15% reduction in electricity consumption
  • Reduced wear on motors, lighting, and electrical assets
  • No impact on equipment performance
Industrial HVAC and compressor plant room in a manufacturing facility
Is it right for your site?

The Best Results for Energy-Intensive Sites

Voltage optimisation is most beneficial for sites with motor-driven loads — HVAC, compressors, pumps, refrigeration — and fluorescent lighting. It's particularly effective in manufacturing, cold storage, hospitality, retail, and office environments.

FAQ

Frequently asked questions

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Why is UK supply voltage higher than equipment needs?
The UK typically supplies power at 242–244 volts, while most equipment is designed to run optimally at 220 volts — the excess causes wasted energy and extra wear.
What kind of sites benefit most?
Sites with motor-driven loads such as HVAC, compressors, pumps and refrigeration, plus fluorescent lighting, see the strongest results — think manufacturing, cold storage, hospitality, retail and offices.
Will it affect my equipment's performance?
No — voltage optimisation reduces supply to the optimal level for your equipment without affecting how it performs.
How much can we expect to save?
Typical savings are in the region of 8–15% of electricity consumption, depending on your site's load profile.

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