Market Insight

Flow battery projects providing control reserve in Germany could be a sign for future technology diversification in the stationary energy storage market

October 10, 2018  | Subscribers Only

Mike Longson Mike Longson Research Analyst, Solar and Energy Storage - IHS Markit
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In July 2018, RedT Energy signed an exclusivity agreement with Energy System Management (ESM) GmbH, a German energy management company, to supply their new Gen 3 flow machine to enter the market for Secondary Control Reserve (SCR). Two 44 MWh grid scale energy storage projects will be installed as part of the first phase, scheduled to begin construction in 2019.

Realisation of the 700 MWh that is planned in total would triple the current global installed base of flow batteries (based on the IHS Markit Energy Storage Company and Project Database). The combination of delivering such a large project and using a new product adds complexity and uncertainty over its delivery. Nonetheless, the successful completion of the first 88 MWh would mark a step change in the stationary storage market, with longer duration, flow batteries being used for frequency regulation.

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