Valmet’s DCS to boost energy market flexibility at Europe’s largest electric boiler plant
Valmet Oyj’s trade press release, November 3, 2025, at 11:00 a.m. EET
Valmet will supply an automation system to Helen Ltd’s Hanasaari electric boiler plant and a thermal accumulator being built in Helsinki, Finland. Once completed, it will be Europe’s largest electric boiler plant. The mission-critical Valmet Distributed Control System (DCS) will ensure high availability, enhance performance, and allow Helen to capitalize on energy market price volatility with greater flexibility and profitability. As the plant’s main automation system, the Valmet DCS will control and monitor the four electric boilers and two thermal accumulators, which will be operating as a single complex.
”We have worked with Valmet for many years, and we are confident in their ability to deliver a system that meets the requirements of the Hanasaari electric boiler plant and district heating storage facilities. The Valmet DCS enables the efficient and safe production of climate-friendly, CO₂-free district heating in conjunction with the thermal accumulator units. Its advanced monitoring and control capabilities also support our strategic goals in the changing energy markets,” says Juuso Järvenpää, Project Manager at Helen Ltd.
”We are proud to be delivering the Valmet DCS to our long-standing customer Helen’s Europe’s largest electric boiler plant. The system offers unmatched reliability, scalability, and operational efficiency throughout the plant’s life cycle, enabling our customer to optimize production, respond flexibly to electricity market fluctuations, and ensure continuous operation. At Valmet, we are committed to providing advanced automation solutions that not only address today’s energy challenges but also support our customers’ long-term success,” says Tom Bäckman, Senior Sales Manager, Automation Solutions business area, Valmet.
Valmet will supply the Valmet Distributed Control System (DCS) to Helen Ltd’s Hanasaari electric boiler plant and a thermal accumulator being built in Helsinki, Finland.
The Hanasaari power plant will feature a 200 MW electric boiler plant with four 50 MW units and two thermal accumulators totaling 1,000 MWh, with 100 MW charge/discharge capacity. The complex will be commissioned during the 2026–2027 heating season.
The order is included in Valmet’s orders received of the third quarter 2025. The value of the order will not be disclosed. The delivery will be taken over by the customer at the end of 2026.
Delivery’s technical information
The delivery includes the Valmet Distributed Control System (DCS) for controlling and monitoring the power plant’s four electric boilers and two thermal accumulators. The delivery also includes the web-based Valmet DNAe User Interface, providing intuitive and remote access to plant operations.
Valmet offers automation solutions for electric boilers and thermal accumulators that ensure reliable, efficient, and flexible operation, enabling energy producers to optimize performance and respond effectively to market needs.
About the customer
Helen Ltd. serves 600,000 customers in Finland, providing electricity, heating, and cooling, as well as solutions for regional and renewable energy and electric transport. Committed to sustainability, Helen is systematically reducing emissions with the goal of phasing out combustion-based energy production by 2040.
VALMET
Corporate Communications
For further information, please contact:
Tom Bäckman, Senior Sales Manager, Automation Solutions business area, Valmet, tel. +358 50 317 4355
Valmet is a global technology leader serving process industries. We work together with our customers throughout the entire lifecycle, delivering cutting-edge technologies and services as well as mission-critical automation and flow control solutions. Backed by more than 225 years of industrial experience and a global team of over 19,000 professionals close to customers, we are uniquely positioned to transform industries toward a regenerative tomorrow.
In 2024, Valmet’s net sales totaled approximately EUR 5.4 billion. Our head office is in Espoo, Finland, and we have experts in approximately 40 countries around the world. Valmet’s shares are listed on Nasdaq Helsinki.
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