The global solid state transformer market size reached USD 241.9 Million in 2024. Looking forward, IMARC Group expects the market to reach USD 704.6 Million by 2033, exhibiting a growth rate (CAGR) of 11.98% during 2025-2033.
A solid state transformer (SST), also known as a smart transformer, is a modern electrical energy device that offers bi-directional power flow. It is capable of compensating voltage sags and harmonic distortion, interconnecting asynchronous networks, and interfacing direct current (DC) and alternating current (AC) ports. As it can also isolate disturbances from source and load or vice versa and eliminate the use of mechanical actuators or tap changers, SST finds extensive applications in traction/locomotives, electric ships and power grids across the globe.
Solid State Transformer Market Trends:
There is currently an increase in the use of electric vehicles (EVs) around the world on account of the rising environmental awareness among individuals. This, in confluence with the burgeoning energy sector, represents one of the key factors propelling the growth of the market. Moreover, conventional transformers have drawbacks, such as power loss and temperature rise due to harmonics, poor voltage regulation under load, inadequate protection from abnormal currents, and over-voltages. They also lack adequate controllability and have an adverse impact on the environment due to excessive usage of transformer oil. However, SSTs provide a wide range of services to smart grids, including reactive power compensation, power quality improvement, current limiting, voltage regulation, and power factor correction. Consequently, they have emerged as superior alternatives to conventional transformers worldwide. Apart from this, SSTs help integrate different distributed energy sources into the distribution grid with multiple functionalities. This, coupled with the increasing adoption of renewable energy sources, is augmenting the overall sales and profitability. Other factors, including technological advancements and extensive research and development (R&D) activities financed by key players, are strengthening the growth of the market.
Key Market Segmentation:
IMARC Group provides an analysis of the key trends in each sub-segment of the global solid state transformer market report, along with forecasts at the global, regional and country level from 2025-2033. Our report has categorized the market based on product, component, voltage level, application and end user.
Breakup by Product:
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