Power factor correction: how to improve energy efficiency and reduce costs

Power factor correction: how to improve energy efficiency and reduce costs


In the context of energy efficiency and cost reduction, power factor correction devices play a key role. These devices are designed to improve the power factor and optimise the use of electricity, while reducing consumption and related costs. In this article, we will explore the concept of power factor correction devices, how they work and the benefits they can offer in different contexts. If you are interested in finding out how to optimise electricity use and reduce associated costs, read on.

What are power factor correction devices

A power factor correction device is an electrical device used to correct the power factor in an electrical system. The power factor indicates how efficiently energy flow is converted into useful work and how much is wasted. A low power factor can result in higher current consumption and lower efficiency, increasing energy costs.

Power factor correction devices act by introducing capacitive energy into the circuit, so that reactive power is balanced against active power. This process improves the power factor and avoids wasted energy.

How power factor correction devices work

The operation of power factor correction devices is based on the use of capacitors that act as reactive energy accumulators. Reactive power, if not compensated for, can cause undesirable effects such as overheating of cables, loss of transmittable power and inefficiency of the electrical system.

Power factor correction devices introduce the necessary reactive power to compensate for the power absorbed by the system, bringing the power factor to a value closer to unity. This leads to a reduction in energy losses and an increase in the efficiency of the electrical system.

Benefits of power factor correction devices for energy efficiency

The use of power factor correction offers several significant benefits for energy efficiency and cost reduction:

  • Reduction of Energy Costs: power factor correction devices reduce electricity losses, leading to savings in electricity supply costs.
  • Increased Efficiency: improve the efficiency of the electrical system, reducing energy waste and optimizing active power consumption.
  • Reduction of Current Peaks: Correct power factor correction reduces current peaks, avoiding overloads and improving system safety.
  • Reduction of penalty costs in the bill: In some contexts, energy suppliers may apply penalties for a low power factor. Power factor correction devices avoid such additional costs.


Power factor correction devices are essential for improving energy efficiency and reducing the costs associated with electricity consumption. By correcting the power factor, these devices optimize energy use and reduce losses, contributing to a more efficient and sustainable electrical system. If you wish to reduce your energy costs and maximize the efficiency of your system, consider installing power factor correction devices to suit your needs. Investing in these solutions is a smart choice to ensure a more rational and conscious use of electricity.