onsemi and Sungrow Advance Utility-Scale Energy Storage Performance with SiC Hybrid Technology

The design win builds on an existing relationship involving joint platform development, system optimization and qualification.

Rhea-AI Summary

onsemi (ON) announced that Sungrow has adopted its EliteSiC hybrid power module technology for the PowerTitan 3.0 energy storage platform. The modules use silicon carbide, a semiconductor material, for power conversion in utility-scale battery storage. Compared with the previous-generation platform, the new architecture improves inverter-level efficiency by 0.4% and supports power conversion units rated up to 450 kW.

onsemi estimates that the module’s efficiency improvement could save more than 475 MWh annually in a 100 MW battery storage installation compared with the previous-generation module.

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• Moderate pointSungrow’s PowerTitan 3.0 design win adds adoption of onsemi’s EliteSiC hybrid power modules.

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News Explained

Separately, Sungrow estimates that it will deliver 10 GWh of PowerTitan 3.0 across Europe during 2026; this is a future platform-deployment estimate, not an achieved delivery.

Key Figures

Inverter-level efficiency improvement: 0.4% Power conversion unit rating: up to 450 kW Peak efficiency: exceeding 99.3% +2 more

Inverter-level efficiency improvement

0.4%

Compared with the previous-generation platform

Power conversion unit rating

up to 450 kW

PowerTitan 3.0 architecture

Peak efficiency

exceeding 99.3%

Utility-scale systems

Annual energy savings

more than 475 MWh

Onsemi analysis for a 100 MW installation versus the previous-generation module

Estimated PowerTitan 3.0 deliveries

10 GWh

Sungrow estimate for Europe in 2026

Key Terms

battery energy storage system (bess), sic, three-level inverter architectures, insulated gate bipolar transistors (igbts)

4 terms

battery energy storage system (bess) technical

"Battery energy storage system (BESS) providers are seeking advanced power conversion"

A battery energy storage system (BESS) is a large-scale setup that stores electricity in rechargeable batteries and releases it when needed, like a giant rechargeable battery for the power grid. It matters to investors because it helps smooth out supply and demand, capture surplus renewable power, provide backup and short-term grid services that can earn recurring revenue, and can boost the value of generation and transmission assets as demand for flexible energy grows.

sic technical

"onsemi’s latest SiC hybrid power module technology"

Sic is a short notation placed immediately after a quoted word or passage to show the text is reproduced exactly as it appeared in the original source, even if it contains a typo, odd phrasing, or factual error. For investors, it signals that any mistake or unusual wording came from the original speaker or document, not from the publisher—like an editor saying “this is how it was said,” which helps with accuracy, responsibility, and legal clarity.

three-level inverter architectures technical

"optimized for advanced three-level inverter architectures"

A three-level inverter architecture is a power-electronics design that converts direct current (DC) into alternating current (AC) by producing three distinct voltage output levels per phase (positive, zero/neutral, and negative) instead of the two levels used in conventional inverters. By stepping the output in three voltages, it reduces harmonic distortion and the voltage stress and switching losses on semiconductor devices; common technical implementations include neutral-point-clamped, flying-capacitor, and cascaded H‑bridge topologies. The trade-offs are greater circuit complexity, extra components (capacitors or diodes), and more elaborate control and balancing requirements compared with simpler two-level inverters.

insulated gate bipolar transistors (igbts) technical

"Insulated Gate Bipolar Transistors (IGBTs) Products Page"

Insulated gate bipolar transistors (IGBTs) are semiconductor power switches that combine a metal–oxide–semiconductor (MOS) gate for voltage control with bipolar conduction for low on-state voltage drop, allowing efficient switching of high voltages and currents in power electronics. They operate like a transistor whose gate controls a channel that injects carriers into a bipolar structure, so they handle larger power than typical MOSFETs but switch more slowly and produce a characteristic turn-off tail current; they therefore require appropriate gate-driving circuits and thermal management. Common uses include inverters, motor drives, and power supplies where high-voltage, high-current switching is needed.

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Advanced EliteSiC hybrid technology maximizes usable energy as electricity demand surges

Summary

As AI-driven electricity demand accelerates worldwide, utilities and energy providers are under growing pressure to store and deliver energy more efficiently. Battery energy storage system (BESS) providers are seeking advanced power conversion technologies to improve performance and system economics. To address these needs, Sungrow has adopted onsemi’s latest SiC hybrid power module technology for its PowerTitan 3.0 energy storage platform. The design improves system efficiency, helping utilities and energy providers increase usable energy output while lowering operating costs.

News Highlights

• onsemi’s EliteSiC hybrid power module enables the highest-density battery energy storage system deployments, helping energy providers meet growing electricity demand from AI, renewable energy and electrification
• New BESS architecture improves inverter-level efficiency by 0.4%, helping maximize energy delivered to the grid while reducing losses and improving reliability
• Sungrow’s PowerTitan 3.0 energy storage platform integrates onsemi’s latest EliteSiC hybrid power module technology, optimized for high-power DC-AC energy conversion in utility-scale battery storage applications
  
  

SCOTTSDALE, Ariz., Oct. 14, 2026 (GLOBE NEWSWIRE) -- onsemi (Nasdaq: ON) today announced that Sungrow, a global leader in renewable energy technology, has adopted onsemi’s latest EliteSiC silicon carbide (SiC) hybrid power module technology for the Sungrow PowerTitan 3.0 energy storage platform. The integration enables improved efficiency and enhanced system performance for utility-scale battery energy storage systems (BESS).

Helping Sungrow Deliver More Usable Energy

The PowerTitan 3.0 platform incorporates onsemi’s high-density power integrated modules (PIMs), optimized for advanced three-level inverter architectures used in high-power energy storage applications.

Compared with the previous-generation platform, the new architecture improves inverter-level efficiency by 0.4%, enabling higher-power battery storage deployments without sacrificing efficiency. The architecture supports power conversion units rated up to 450 kW, contributing to the platform’s increased power density and higher-power deployment capability.

With the performance advantages of SiC, the solution supports key system-level benefits including:

• Peak efficiency exceeding 99.3% to reduce energy loss in utility-scale systems
• Increased power density supports higher-power BESS deployments
• Enhanced thermal performance supports reliable operation in high-power applications
• Improved system economics through a hybrid SiC design optimized for large-scale deployment

The design win builds on a long-standing strategic relationship between onsemi and Sungrow. Through extensive engineering and validation activities, the companies collaborated throughout platform definition, system optimization and qualification to meet the demanding performance requirements of next-generation energy storage deployments.

“PowerTitan 3.0 represents Sungrow’s continued innovation in advanced energy storage system design,” said Chen Peng, General Manager of Energy Storage Conversion Product Line at Sungrow Energy Storage Business Unit. “By integrating advanced technologies and collaborating with strategic partners such as onsemi, Sungrow is accelerating the deployment of higher-performance storage solutions that deliver greater value throughout the lifecycle of energy assets. With growing market recognition, Sungrow estimates delivering 10 GWh of PowerTitan 3.0 across Europe in 2026, further supporting the region’s transition toward a more flexible and resilient energy system.”

“At utility scale, even small improvements in power conversion efficiency can have a meaningful impact on battery energy storage system (BESS) performance and total cost of ownership,” said Sergio Fissore, Vice President and General Manager, IPD Power Division, onsemi. “Our EliteSiC hybrid power module enables higher-efficiency, higher-density energy storage systems that help maximize usable energy and improve system reliability. Together with Sungrow, we're advancing the power conversion technologies needed to support the next generation of energy infrastructure.”

Why Fractions of a Percent Matter

At utility scale, even small efficiency improvements can generate meaningful financial and environmental benefits. According to onsemi analysis, a 0.4% efficiency improvement delivered by the new SiC hybrid module could save more than 475 MWh of energy annually in a 100 MW battery energy storage installation compared with the previous-generation module.

Those energy savings can help reduce operating costs, increase usable energy delivered to customers and lower overall emissions. The architecture also enables higher overload capability and improved thermal performance, helping customers extract more usable energy from every storage asset.

Supporting the Infrastructure Behind the AI Era

Utilities and energy providers are seeking ways to store more energy, reduce conversion losses and improve overall system economics to meet unprecedented demand amid the AI infrastructure buildout and electrification transition.

Industry forecasts project the battery energy storage market will more than double by 2030 as utilities invest in infrastructure needed to support increasing electricity demand and renewable energy deployment. At the same time, energy storage providers are moving toward higher-power, higher-voltage architectures to improve system economics.

Additional Information

• High-Density Si/SiC Hybrid Power Integrated Module (PIM) Product Page
• Si/SiC Hybrid PIM Product Portfolio
• Energy Storage System Solutions
• EliteSiC Technology Page
• EliteSiC M3e Product Page
• Insulated Gate Bipolar Transistors (IGBTs) Products Page

About onsemi
onsemi (Nasdaq: ON) delivers intelligent power and sensing technologies that enable electrification, energy efficiency, safety, and automation across automotive, industrial, and AI data center end-markets. With a highly differentiated and innovative product portfolio, onsemi helps customers solve complex challenges to achieve higher efficiency, improved performance, and lower system cost, while supporting a safer, cleaner, and more energy‑efficient world. The company is part of the S&P 500® index. Learn more at www.onsemi.com.

onsemi and the onsemi logo are trademarks of Semiconductor Components Industries, LLC. All other brand and product names appearing in this document are registered trademarks or trademarks of their respective holders. Although the Company references its website in this news release, information on the website is not to be incorporated herein.

Contact:
onsemi
Michael Mullaney
michael.mullaney@onsemi.com
+1 838-289-7314

FAQ

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What onsemi technology has Sungrow selected for PowerTitan 3.0?

Sungrow has adopted onsemi’s EliteSiC silicon carbide hybrid power module technology for its PowerTitan 3.0 energy storage platform. The platform incorporates power integrated modules optimized for three-level inverter architectures in high-power battery storage applications.