Tesvolt High-Voltage Storage System Has Been Nominated for the Ees Award

Efficient storage solution for industry and commerce

Wittenberg/Munich, 16 May 2018 – The Tesvolt high-voltage storage system has been shortlisted for the ees AWARD. The manufacturer from Wittenberg (Germany) has launched a storage system which is exceptionally economical: the TS HV 70. The levelized cost of storage (LCOS) is a mere 9 euro cents. With its outstanding total system efficiency of 92 percent and a lifespan of up to 30 years, this high-voltage storage system certainly pays off. The ees AWARD, which honours the most pioneering products for electricity storage each year, will be presented on 20 June at ees Europe, the continent’s largest exhibition for batteries and energy storage systems.

“We are delighted about the nomination – after all, the ees AWARD is the Oscars of the storage industry,” says Daniel Hannemann, Tesvolt’s Managing Director. “Our high-voltage storage system shows the market that storage systems pay off for industry and commerce.”

High overall efficiency equals economic efficiency

“A storage system’s economic efficiency essentially depends on its overall energy efficiency. Many storage system manufacturers only state the battery efficiency, even though the overall efficiency of the storage system is what really counts,” explains Simon Schandert, Director of Engineering at Tesvolt. “With 92 percent, our high-voltage storage system achieves the highest energy efficiency found in the market.” This is due to the high battery efficiency of 98 percent, combined with a highly efficient inverter, which has been especially developed for the Tesvolt high-voltage storage system by SMA Solar Technology.

Longevity equals economic efficiency

Tesvolt integrates lithium-based prismatic high energy and high-efficiency cells of the kind used in state-of-the-art electric cars. Tesvolt’s own battery management system ensures that battery cells are always charged and discharged in an ideal way. The active cell balancing is not just limited to the cells within a battery module, but the different battery modules are also optimized to fit with each other. This system is unique in the world. The Active Battery Optimizer monitors the temperature, voltage and state of charge of each individual cell or battery module, which significantly boosts the cells’ lifespan, giving the TS HV 70 a service life of up to 30 years. This is equivalent to around 8,000 complete charge cycles with a depth of discharge (DoD) of 100 percent.

The storage system is produced at the company’s headquarters in Lutherstadt Wittenberg and functions just as well with a low voltage of 48 volts as with a high voltage of 1,000 volts for stationary commercial and industrial applications.

Tesvolt will be introducing its storage systems at Intersolar Europe in Munich from 20–22 June 2018.

Tesvolt booth: Halle B1, booth 550

About TESVOLT

Tesvolt specialises in battery storage systems for commerce and industry. The innovative company produces intelligent lithium storage systems with power ratings from 30 kilowatt hours through to many megawatt hours. Tesvolt uses high-performance battery cells from Samsung SDI. Tesvolt manufactures its commercial storage system solutions in series production at Europe’s first gigafactory for commercial battery storage systems at its Wittenberg site in Germany and delivers them worldwide. Tesvolt has already implemented more than 3,000 storage system projects worldwide and employs almost 150 people. The company has already received several awards, including the German Entrepreneur Award in the “Rising Stars” category, the “TOP 100” Innovation Award and the smarter E Award in the “Outstanding Projects” category.

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