Hitachi Energy signs German supercapacitor grid deal

Hitachi Energy signs German supercapacitor grid deal

Business news |
By Nick Flaherty

Hitachi Energy has signed a major order with German state-owned transmission system operator, TransnetBW to use supercapacitors to expand and stabilize the power grid. 

Hitachi Energy will supply two supercapacitor-based static synchronous compensator (STATCOM) stations with the next-generation grid stabilization technology to TransnetBW in Stuttgart.

The SVC Light Enhanced system will enable TransnetBW to improve power quality in the transmission grid, which supplies power to 11 million people and numerous industries. 

The agreement comes as transmission system operators are relying on new technologies to provide stability to the network as more renewable sources are added.

Hitachi Energy’s system combines two power quality and grid stabilization technologies in a single compact device. The power electronics integrates the efficient reactive power compensation of SVC Light with supercapacitors which can absorb and inject active power into the grid in milliseconds.

The SVC Light Enhanced technology includes control features like Grid Forming Control that provide significant improvements over previous solutions and make the technology less sensitive to future changes in the network to dampen the destabilizing effects of renewable energy and expand transmission capacity without building new lines. This strengthens and stabilizes power grids handling larger amounts of renewable energy, helping to maintain grid voltage and frequency.

“The implementation of this solution is another milestone for us in ensuring safe and reliable grid operation in the future,” said Dr. Werner Götz, CEO of TransnetBW. 

“As the pioneering technology leader, we are proud to support TransnetBW to safeguard the success of their energy transition,” said Niklas Persson, Managing Director of Hitachi Energy’s Grid Integration business. “With power networks evolving rapidly, we are committed to helping our customers and countries transition toward a carbon-neutral energy future and providing future-proof solutions that will offer the flexibility needed to adapt to changing grid conditions.”


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