Press release
Global and U.S. Power Transformer Radiators Market Report, Published by QY Research.
Core Market Data
Global market size: USD 3.4 billion
CAGR (2024-2030): 4.7%
Average price: USD 4200 per unit
Annual production: 0.8 million units
Gross margin: 26%
Production capacity: 1 million units
List of Main Players
ABB Group (SIX: ABBN, Switzerland)
Siemens Energy (FWB: ENR, Germany)
Hitachi (TSE: 6501, Japan)
TBEA (SZSE: 600089, China)
Hyosung (KRX: 298040, South Korea)
CG Power (NSE: CGPOWER, India)
EMCO Limited (NSE: EMCO, India)
JSHP Transformer - Private (China)
Wilson Power Solutions - Private (UK)
Convett - Private (India)
Trantech - Private (India)
Menk USA - Private (United States)
Thermofin - Private (Canada)
Eurocooler - Private (Italy)
Marangoni - Private (Italy)
TTP Technologies - Private (India)
Hi-Tech Radiators - Private (India)
Sunman Engineering - Private (India)
Thermocool Engineering - Private (India)
Trans Volt Engineering - Private (India)
Sinjungwoo Industrial - Private (South Korea)
Triveni Electroplast - Private (India)
Golden Star Radiator - Private (China)
Ningbo Ville Electric - Private (China)
1. By Cooling Method
ONAN (Oil Natural Air Natural) radiators
ONAF (Oil Natural Air Forced) radiator systems
OFAF / OFWF forced-oil cooling radiator assemblies
2. By Radiator Structure
Pressed steel panel radiators
Tubular radiator banks
Fin-type and corrugated radiators
Detachable modular radiator sections
3. By Transformer Rating
Distribution transformers (Below 10 MVA)
Medium power transformers (10-100 MVA)
Large power transformers (Above 100 MVA)
4. By Application
Transmission and distribution substations
Renewable energy grid-connection transformers
Industrial and mining power systems
Data center and infrastructure transformers
Railway and traction substations
Case Study for Bidding
Time: May 2024
Supplier: Hitachi Energy
Buyer: State Grid Corporation of China
Product: High-efficiency radiator banks for 220 kV and 500 kV power transformers
Quantity: 6,800 radiator sets
Contract Value: USD 210 million
Delivery Timeline: Q1 2026
Case Study for End Using
End User: National Grid
Application: Thermal management of high-capacity transmission transformers in urban substations.
Installation Location / Usage Stage
Mounted externally on transformer tanks.
Connected to oil circulation channels and cooling fans (where applicable).
Operated continuously under variable load and ambient conditions.
Purpose
Dissipates heat generated by transformer losses.
Maintains oil and winding temperatures within design limits.
Extends transformer insulation life and reliability.
Effect
Reduced average operating oil temperature by 8-15 °C.
Extended transformer service life and maintenance intervals.
Improved grid reliability during peak demand periods.
Alternative Transformer Cooling Solutions
Corrugated tank walls integrate cooling but limit scalability.
Oil-to-water heat exchangers offer compactness but increase system complexity.
Forced-air fan systems without radiators are insufficient for large transformers.
Advanced ester fluids improve thermal margins but do not replace radiator function.
Therefore, Power Transformer Radiators remain an indispensable component of modern power systems, enabling safe heat dissipation, higher transformer ratings, and long-term grid reliability-supporting global electrification, renewable integration, and resilient energy infrastructure.
About QY Research
QY Research has established close partnerships with over 71,000 global leading players. With more than 20,000 industry experts worldwide, we maintain a strong global network to efficiently gather insights and raw data.
Our 36-step verification system ensures the reliability and quality of our data. With over 2 million reports, we have become the world's largest market report vendor. Our global database spans more than 2,000 sources and covers data from most countries, including import and export details.
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More than 30 IPOs and over 5,000 global media outlets and major corporations have used our data, solidifying QY Research as a global leader in data supply. We are committed to delivering services that exceed both client and societal expectations.
For Inquiries:
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Email: global@qyresearch.com
www.qyresearch.com
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