Sungrow Launches One of the World’s Northernmost Large-Scale Solar Power Projects in the Arctic

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Solar Power at the Edge of the Arctic: Sungrow Powers One of the World’s Northernmost Large-scale PV Projects

News provided by Sungrow Power Supply Co., Ltd.
Jun 18, 2025, 07:37 ET

SIMO, Finland, June 18, 2025 /PRNewswire/ — Sungrow, a global leader in PV inverter and energy storage system (ESS) solutions, has supplied 180 units of their SG350HX string inverters to a 70 MWp solar power plant in Simo, Lapland. This facility will be one of the largest in Finland and ranks among the world’s northernmost large-scale PV installations. Developed by Solarigo Systems Oy and supported by distributor PVO International, the project highlights the feasibility of large-scale PV even in Arctic conditions. This marks the second project Sungrow has supported in Simo, following a 60 MWh Battery Storage Project earlier this year.

Located just 100 km below the Arctic Circle, the 95-hectare site will host approximately 120,000 solar panels. The project will be integrated with existing wind turbines, creating a hybrid power plant that contributes to Finland’s carbon neutrality goals.

Technology Built for the North
The SG350HX inverters from Sungrow were chosen for their outstanding performance in cold, wet, and demanding environments. Featuring IP66 and C5 anti-corrosion protection, smart air cooling, and a weather-protected design, these inverters are capable of maintaining stable operation despite freezing temperatures, ice, and excess moisture. Installed directly under the PV module structures, they will continue to function even when their enclosures are frozen, ensuring minimal disruption and high reliability.

“Sungrow’s SG350HX inverter was a natural choice for this project,” said Jere Graf, Project Manager at Solarigo. “Its performance in previous installations has been strong, and the updated version offers even more flexibility and reliability. We appreciate Sungrow’s technical support and long-term warranty terms, which are essential for projects in remote and challenging locations.”

A Partnership for Clean Energy
This project is a collaboration between EPC Solarigo and PVO International, which supplied both the solar panels and Sungrow’s inverters. Solarigo, Finland’s largest developer and operator of utility-scale solar PV parks, brings extensive experience in constructing PV infrastructure in northern conditions.

“As solar energy expands into new frontiers, we are proud to support our partners with technology that performs reliably—regardless of conditions,” says Henry Särkisilta, Key Account Manager at Sungrow Finland. “The powerful SG350HX, with its flexible connection options, is well-suited for projects in challenging environments. This project exemplifies how innovation can drive the energy transition, even in remote parts of Europe.”

Advanced Inverter Technology
The SG350HX is designed for utility-scale PV systems and is one of Sungrow’s most powerful and efficient string inverters. Its high power density and smart diagnostics reduce installation and maintenance costs. The inverter features up to 16 maximum power point trackers (MPPTs) with a maximum efficiency of 99%, enabling high energy yields under varying conditions. It includes advanced safety features such as a reactive power response time of less than 30 ms, stable operation in extremely weak grids, and compliance with global grid codes.

Commitment to the Nordics
This project follows Sungrow’s recent deployment of a 60 MWh battery energy storage system in Simo, in partnership with FRV AmpTank joint venture, further strengthening the company’s presence in the Nordic region. As Finland transitions toward a greener energy landscape, the PV and ESS projects in Simo demonstrate that intelligent energy solutions can create a cleaner and more resilient grid, aligned with Sungrow’s mission of “Clean power for all.”

For more information about the project, please visit [Sungrow](www.sungrowpower.com).

About Sungrow
Sungrow has pioneered sustainable power solutions for over 28 years and is a global leader in renewable energy technology. As of December 2024, Sungrow has installed 740 GW of power electronic converters worldwide. The company is recognized as the world’s No. 1 in PV inverter shipments (S&P Global Commodity Insights) and the most bankable energy storage company (BloombergNEF). Its innovations power clean energy projects globally, supported by a network of 520 service outlets ensuring excellent customer experience.

About Solarigo
Solarigo is the only Finnish solar partner that develops, builds, owns, and operates utility-scale solar PV parks—all under one roof. With over 300 solar power plants completed and as Finland’s largest seller of solar electricity, Solarigo is the most experienced partner for large-scale solar projects in northern conditions. Since 2015, Solarigo’s goal has been clear: to build a lower-emission future by making solar energy simple, reliable, and profitable. Solarigo not only delivers projects but also creates long-term value for customers seeking predictable returns, technical excellence, and a committed partner.
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