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Water Cooled Capacitors Market

Market Study on Water Cooled Capacitors: Europe to Remain Leading Regional Market Over Decade

Water Cooled Capacitors Market in Aerospace Industry Segment Forecasted to Expand at a CAGR of 6.5% | By Capacitor Type (Polypropylene, Ceramic, Aluminium)

Water Cooled Capacitors Market Outlook (2023 to 2033)

In 2022, worldwide demand for water cooled capacitors accounted for a market valuation of US$ 723.2 million. The global water cooled capacitors market is forecasted to expand at a CAGR of 7.9% and reach US$ 1.65 billion by the end of 2033.

Capacitors are electronic components that store energy in an electric field. They do so by collecting electric charges. These devices are used in various electronic devices and electrical machines. Water cooled capacitors incorporate water-cooling technology that allows them to operate at greater efficiency. They are dependent on the stability of the cooling water supply system. These capacitors can be used for various heating systems such as induction heating and dielectric heating & welding.

The water used for cooling is a major determinant of the effectiveness of the cooling capacity, when water that is chemically neutral water and has the conductivity level given by the manufacturer, helps in the cooling of the capacitors.

Europe held a leading market share of 29.2% in 2022, while the market in South Asia and Pacific is estimated to expand rapidly at a CAGR of 10.2% between 2023 and 2033.

Water Cooled Capacitors Market Size (2022)

US$ 723.2 Million

Projected Market Value (2033)

US$ 1.65 Billion

Global Market Growth Rate (2023-2033)


Polypropylene Market Share (2022)


United States Market Share (2022)


Water Cooled Capacitors for Aerospace End-use Industry Market Share (2022)


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Which key Factors are Driving Water Cooled Capacitor Sales?

Capacitor Demand Increasing Due to Their High-temperature Stability & Insulating Qualities

Demand for capacitors with reliable electrical performance at high temperatures has grown substantially in recent years. Essential requirements are maintaining optimal performance within specifications and guaranteeing a long working life. These devices are also used for high temperature electronic devices. There are just a few capacitor technologies that can perform dependably at high temperatures, despite the great variety of commercially available capacitors.

For example, in avionics, the operating temperature can vary significantly depending on where the electronics are located. For instance, engine control systems located extremely close to the engine themselves can have ambient temperatures between 55ºC to 200ºC. Power electronics will take the place of current hydraulic systems since there are more electrical aircraft on the horizon. High temperature capacitors that can survive intense heat cycling over an extended operating lifespan are needed for power electronics used in fuel pumps, motor controllers, electric braking, and landing systems.

In the automotive sector, electronics is a fast and continuously growing area. High temperature devices display more efficiency and are replacing mechanical and hydraulics systems. Growing requirements for capacitors owing to their high temperature stability and insulation properties will bolster the demand for water cooled capacitors over the coming years.

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Country-wise Insights

What is Driving the Opportunity in the United States Market for Water Cooled Capacitors?

“Advancements in Technology for Water Cooled Capacitors”

Water cooled capacitor providers are emphasizing leveraging relevant technologies to create a secure environment for medium- to high-power density applications. Firms are leveraging technologies to facilitate applications such as industrial equipment, information & communications, outdoor lighting, and more.

It is anticipated that providers will progressively implement technologies across high- to ultra-power density applications, and also high-power industrial equipment such as industrial lasers, charging stations, and more. Thus, it is evident that technological disruption across the electronics industry will stimulate the demand growth for water cooled capacitors.

Which Asia Countries Will Account for High Demand for Water Cooled Capacitors?

“India to Be Fast Growing Market for Water Cooled Capacitors”

Adoption of water cooled capacitors is increasing due to their ability to offer higher power density as compared to batteries and greater density contrasted with conventional capacitors. These capacitors can offer specific capacitance and electrical stability for the sustainability of microgrids in an effective way.

Water cooled capacitors are becoming the dominant technology and their ability to provide very high levels of safety, reliability, and life expectancy is expected to fuel significant growth across the market.

Adoption of water cooled capacitors in India is predicted to increase at a CAGR of 11.6% from 2023 to 2033.

Which Country Will Lead Market Growth in Europe?

“Germany to Be Market Leader in European Region”

Although water cooled capacitors are commonly utilized across the European continent, water-cooled power capacitors are in high demand in Germany. Particularly for induction heating plants where the frequency of the current supply is above 50 cycles/second, their use can be profitable due to the cost savings of the capacitor bank for power factor correction and the reduction in the size of the space to house the same.

Reef's top foundry recently put in 6 MVA of water-cooled capacitors. For example, automatic low-voltage and high-voltage plants with modest capacities and motors with independently connected capacitors at high and low voltages are two areas where forced cooling would never be considered.

Germany, in 2022, accounted for a share of 20.9% of the global market for water cooled capacitors.

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Category-wise Insights

Which Application of Water Cooled Capacitors Will Bring in High Revenue Streams?

“Heating & Melting Application to Hold High Market Share”

Across the world, induction melting and induction heating furnaces use water-cooled capacitors on a large scale. To meet consumer demand, a wide variety of EC capacitors are manufactured. Typically, water-cooled capacitors are used in high-frequency welding systems as well as in processes such as induction heating, melting, or annealing.

When an electrically conductive material is positioned within a changing magnetic field, induction heating, a controlled and contactless way of heating occurs. Forging, welding, sealing, and other processes are among the many areas where induction heating is used.

Why are Water Cooled Capacitors Widely Used in the Aerospace Sector?

“Aerospace Sector - Growing Consumer of Water Cooled Capacitors”

In 2022, the aerospace segment accounted for 24.6% of the market share and is forecasted to expand at a CAGR of 6.5% over the forecast period. The main factors driving the market in the aerospace sector are miniaturization, functionality enhancement, and enhanced productivity. Air traffic has returned to pre-pandemic levels, allowing the aeronautical industry to recover and drive the demand for water cooled capacitors in the aerospace sector.

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Competitive Landscape

Water cooled capacitor vendors are focused on adopting product enhancement strategies by bringing new innovative technology-based water cooled capacitors to the market or modifying existing capacitors to create new business scope. This process includes making meaningful changes in the capacitors that result in new customers or increased benefits from existing customers. Adding new features to water cooled capacitors expands the scope of the business.

  • In September 2021, TDK Corporation expanded its CN series of multilayer ceramic capacitors (MLCCs). These capacitors are new to the market and this technology has not been used before. These products have a greater capacitance than conventional capacitors and help reduce the parts and equipment needed.
  • In October 2021, Cornell Dubilier announced its new, patented, PCD series of AC harmonic filter capacitors that offer a built-in fail-safe protection system, one at each end of the capacitor.

Recent developments related to key players providing water cooled capacitors have been tracked by analysts at Persistence Market Research, which will be accessible in the full report.

Water Cooled Capacitors Industry Report Scope



Forecast Period

2023 to 2033

Historical Data Available for

2018 to 2022

Market Analysis

US$ Mn for Value

Key Regions Covered

  • North America
  • Latin America
  • Europe
  • East Asia
  • South Asia & Pacific
  • Middle East and Africa (MEA)

Key Countries Covered

  • United States
  • Canada
  • Brazil
  • Mexico
  • Germany
  • United Kingdom
  • France
  • Spain
  • Italy
  • China
  • Japan
  • South Korea
  • India
  • Indonesia
  • Malaysia
  • Singapore
  • Australia
  • New Zealand
  • Turkey
  • South Africa
  • GCC Countries

Key Market Segments Covered

  • Capacitor Type
  • Voltage Rating
  • Frequency Rating
  • End Use Industry
  • Application
  • Provider Type
  • Region

Key Companies Profiled


Available upon Request

Key Segments of Water Cooled Capacitors Industry Research

By Capacitor Type:

  • Polypropylene
  • Ceramic
  • Aluminium
  • Others

By Voltage Rating:

  • Low (Up to 1 KV)
  • Medium (More Than 1 KV and Up to 3.5 KV)
  • High (More Than 3.5 KV)

By Frequency Rating:

  • Medium
  • High

By End-use Industry:

  • Automotive
  • Aerospace
  • Steel
  • Railways
  • Oil & Gas
  • Renewables
  • Others

By Application:

  • Heating & Melting
  • Resonant Circuits/RF
  • Medical Imaging
  • Plasma Applications
  • Wireless Power Transfer
  • EV Charging
  • Others

By Provider Type:

  • OEM Market
  • Replacement Market

By Region:

  • North America
  • Latin America
  • Europe
  • East Asia
  • South Asia & Pacific
  • Middle East and Africa (MEA)

- Companies Covered in This Report -

  • Clariant Power System Ltd.
  • Marxelec
  • Magnewin Energy Private Limited
  • GE Grid Solutions
  • High Energy Corp
  • Celem
  • Jiande Haihua Electric Co.,Ltd
  • Sailing Tech

- Frequently Asked Questions -

Worldwide demand for water cooled capacitors amounted to US$ 723.2 million in 2022.

The global water cooled capacitors market is expected to increase at a CAGR of 7.9% between 2023 and 2033.

The market for water cooled capacitors is forecasted to reach a value of US$ 1.65 billion by 2033.

Demand for water cooled capacitors in India is projected to rise at 11.6% CAGR over the forecast period.

In 2022, the European water cooled capacitors market held a dominant market share of 29.2%.

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