---
title: "SINEXCEL Launches StellaON 1250K/1575K to Advance Utility-Scale Energy Storage in Europe"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/291772172.md"
description: "SINEXCELlaunched the StellaON 1250K/1575K PCS at Intersolar Europe 2026, targeting utility-scale energy storage. Featuring Infineon devices and IP65 rating, it offers high efficiency, grid-forming capabilities, and resilience in harsh environments. The product has secured over 500 MW of orders in H1 2026, with deployments across Europe, Asia-Pacific, and Africa, complying with major European grid codes."
datetime: "2026-07-06T08:00:00.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/291772172.md)
  - [en](https://longbridge.com/en/news/291772172.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/291772172.md)
generator: "portal-rs"
---

# SINEXCEL Launches StellaON 1250K/1575K to Advance Utility-Scale Energy Storage in Europe

MUNICH, July 6, 2026 /PRNewswire/ -- At Intersolar Europe 2026, SINEXCEL (300693.SZ) launched the **StellaON 1250K/1575K PCS** integrating Infineon devices to address Europe's evolving demands for environmental resilience, grid stability, and lifecycle economics, maximizing energy value through omni-adaptability.

**Omni-Adaptability Across Harsh Environments, Loads and Grids**

Built around the concept of Omni-Adaptability, StellaON is engineered to perform reliably across harsh environments, demanding grids, and large-scale applications.

Powered by Infineon's EconoDUAL™3 modules with low thermal resistance, the StellaON 1250K/1575K delivers continuous, uncompromised output at **55°C**—**10°C** above the industry average, eliminating **15%-20%** power derating while reducing oversizing costs by up to **20%**.

Engineered with an **IP65** enclosure and **C5** anti-corrosion rating, it operates flawlessly in extreme climates while maintaining noise levels as low as **65 dB** for strict European urban permitting.

To support Europe's evolving grid requirements, including **NC RfG 2.0**, StellaON features grid-forming capability with PQ, VF, VSG, and SVG modes, supports 1.5x overload for 60s (vs. 1.2x industry average), delivers GW-scale grid-forming performance and **black-start** capability, and enables **four AC/DC units** to operate in parallel, providing greater scalability, redundancy, and grid resilience for large-scale deployments.

**Unlocking Lifecycle Efficiency**

True utility value is proven over time.

StellaON achieves a **98.5%** maximum full-load efficiency and a **0.6%** round-trip efficiency gain, substantially lowering the Levelized Cost of Storage (LCOS).

Its modular configurations span 1- to 8-hour durations, scaling seamlessly from **20ft 2.5MW** to **40ft 12.5MW** MV stations.

For O&M, an innovative self-cleaning design reduces lifetime OpEx by **15%**. It features a Mean Time Between Failures (MTBF) exceeding 300,000 hours, ensuring **99%** uptime, with key component replacement in under **one** hour and full PCS replacement in less than **two** hours.

**Global Deployments Validate Market Readiness**

Following its successful grid connection in Vietnam in March 2026, where it demonstrated reliable operation under extreme heat and humidity, StellaON has secured more than **500 MW of orders** in 1H 2026, with over **15 projects** currently under deployment across **Europe, Asia-Pacific, and Africa**.

The solution is compliant with the grid codes of Germany, Poland, the Netherlands, Belgium, and Romania, with Spain and U.S. certifications coming soon.

**About SINEXCEL**

Founded in 2007, SINEXCEL is a pioneer in energy storage, EV charging, and power quality solutions. With 17GW of installed storage, 200,000 EV DC chargers, and nearly 20 million amperes of Active Harmonic Filter deployed, SINEXCEL partners with industry leaders to empower energy freedom.

**Contact:** melody\_yu@sinexcel.com

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> **Disclaimer: This article is for reference only and does not constitute any investment advice.**