Power Capacitors
Power Quality Solutions
We have specialised in Power Quality for over 45 years & are able to manufacture, supply, install, service and upgrade every optimum solution, for every application
Our Services
We can help with all aspects of Power Quality for your business

PFC – Power Factor Correction

The use of capacitors to supply reactive power and achieve Power Factor Correction is a well-proven technology, and one offered by Power Capacitors Ltd for over 45 years. An acknowledged market leader, the BlueLine PowerCab and PowerCabPlus are supplied in standard and bespoke designs for every requirement in every industry.

AHF – Active Harmonic Filters

Active Filters are able to almost instantaneously measure and compensate for the harmonic currents emitted by todays high efficiency and energy saving devices. Keeping the supply voltage ‘clean’ keeps loads running reliably for longer.

HPQ – Hybrid Power Quality

The HPQ solution involves the seamless combination of both PFC and AHF devices into a single system, where both power factor and harmonic distortion are both controlled by a single piece of equipment.

UPQ – Uninterrupted Power Quality

Traditionally, extremely sensitive loads such as Data Centres and Medical Facilities would be protected by Power Factor Correction, Active Harmonic Filters, and an Uninterruptible Power Supply ( UPS ). The UPQ system combines all these functions into a single piece of equipment, with the expected reduction in size and cost at the time of installation.

SS – Site Services

Power Capacitors Ltd has the country’s largest team of specially trained PFC and Power Quality engineers. These services are offered on all Power Factor Correction and other Power Quality equipment, regardless of manufacturer.

ESS – Energy Storage System

The commercial and technical benefits of Energy Storage Systems are being recognised and adopted at an exponentially increasing rate across all market sectors. All sites with embedded generation are able to maximise the commercial gain from their generating equipment whether solar, wind, hydro or biomass.
Our Power Quality services and products can be used in a variety of different industries.
Heavy Industry
Heavy Industry
Renewable Energy
About Us
About Us


The company has specialised in all aspects of Power Quality since 1973. Our experience is as diverse as our customer base which for over 45 years has always included large multi-national manufacturing, financial and utility companies as well as SMEs and private individuals. As undisputed experts in the field of power quality we relish the challenge and are always comfortable in sharing our wealth of expertise with you.


It’s recommended that Power Factor Correction is serviced annually. Our engineers will complete a 56 point checklist which includes environment, loading and suitability checks to accommodate changes in supply.

latest news

15th May, 2020
SafeContractor Accreditation
Covid 19
26th March, 2020
Covid-19 Virus