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Reactive Power Compensation

Your path to lower costs and higher energy efficiency

In manufacturing, logistics, and commercial facilities, excessive reactive power can generate high charges and heavily burden the energy budget. Reactive power compensation is a key step toward greater energy efficiency, internal grid stability, and reduced operating costs.

Hymon Powered by Kajima delivers comprehensive compensation systems that automatically adapt to changing installation conditions and provide real savings from day one.

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What is reactive power compensation?

Reactive power compensation is the process of optimizing the company’s energy profile by eliminating excessive reactive power consumption, which:

Does not perform useful work

Increases transmission losses in the network

Generates additional charges from energy suppliers

Places additional load on electrical equipment and infrastructure

Implementing a compensation system improves the power factor (cos φ), reduces energy bills, and extends the service life of the company’s electrical installation.

Technologies used in reactive power compensation

Our solutions use:

Capacitor banks

automatic compensators that dynamically adapt to the current network load.

Harmonic filters

eliminating distortions caused by power-electronics devices and improving power quality.

Advanced control and automation systems

intelligent, real-time regulation of compensation levels.

Power quality monitoring systems

continuous parameter control and reporting, load and consumption analysis.

Why is it worth implementing reactive power compensation?

Investing in a reactive power compensation system brings tangible benefits to your company:

Lower electricity costs

Significantly lower bills by reducing charges for excessive reactive power and improving the power factor.

Avoid penalties and extra supplier charges

Meet tariff and technical requirements imposed by network operators.

Higher energy efficiency of infrastructure

Better use of network capacity, reduced transmission losses, improved voltage quality.

Protection of equipment and electrical infrastructure

Lower stress on transformers, cables, and switchgear — extending lifetime and reducing failure risk.

Greater supply security and stability

Stable network parameters increase the reliability of critical technological processes.

Why is reactive power compensation crucial for large investments?

For large infrastructure, industrial, or logistics projects, electricity costs are among the main operating components. Such facilities intensively use devices that generate significant reactive power — including motors, fans, compressors, HVAC systems, and transformers.

Without proper compensation, excess reactive power:

burdens the internal electrical infrastructure,


causes voltage drops and disturbances,


triggers penalty charges from the energy supplier,


limits possibilities for further plant expansion

What are the benefits of implementing reactive power compensation for the company?

Safeguards the project’s energy efficiency

Large projects require highly stable power. Compensation systems improve the power factor and ensure better operating conditions for the entire infrastructure.

Protects investment profitability

Reducing reactive power charges can translate into tens of thousands in annual savings, directly impacting the bottom line.

More headroom for infrastructure expansion

With compensation, the internal network can handle more devices without increasing the connection capacity.

Compliance with legal and contractual requirements

Distribution system operators impose penalties for exceeding power-factor limits — compensation protects you from this risk.

Part of ESG and energy-optimization strategy

Implementing energy-efficiency improvements supports sustainability goals and can facilitate certifications (e.g., ISO 50001, LEED, BREEAM).

Want to learn more?






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    Frequently Asked Questions (FAQ)

    In many cases, energy costs can be reduced by several to a dozen or so percent by eliminating charges for excessive reactive power.

    Yes. Especially in companies with many motor-driven devices, even small compensation systems deliver a quick return on investment.

    Modern systems are automated and only require periodic technical inspections.

    Yes. We offer modular solutions that can be scaled as demand grows.

    Yes. We support obtaining grants, technology leasing, and favorable financing options.