HTW Berlin 2025 energy storage inspection: Kostal, SAX Power set new efficiency records

Share

From ESS News

The Berlin University of Applied Sciences (HTW Berlin) has reported results of its annual energy storagy inspection and confirmed two new efficiency records.

A total of 17 manufacturers with 22 energy storage systems took part in the established energy efficiency comparison. Eight devices were new to the test, including those from Fox ESS, Fronius, Kostal and SAX Power.

The independent testing found that the Plenticore G3 hybrid inverter from Kostal achieved an unprecedented 98.2% efficiency in the charging mode. Meanwhile, the Home Plus battery system from SAX Power posted a new efficiency record breaking the 98% hurdle for average efficiency in discharge modes.

To continue reading, please visit our ESS News website.

 

This content is protected by copyright and may not be reused. If you want to cooperate with us and would like to reuse some of our content, please contact: editors@pv-magazine.com.

Popular content

Unlimited energy storage in Europe
14 March 2025 Most studies of European 100% renewable energy overlook pumped-hydro energy storage (PHES), for the following, incorrect, reasons: there are few PHES...