DNV launches online battery ‘scorecard’

13 September 2022

DNV, the independent energy consultancy and assurance provider, has released the fourth edition of its ‘Battery Scorecard’ report. This edition incorporates independent testing results from 19 different battery cell types, as well as an outlook on future battery technologies and a new interactive online dashboard. Electrification of global energy systems combined with the distributed build out of storage supply chains will further accelerate market uptake of battery storage – and DNV’s Battery Scorecard is intended to illuminate the most pressing questions around batteries, including safety, useful life, and degradation.

To achieve performance and financial goals, battery owners, developers and operators need a solid understanding of battery systems. Moreover the safety of individual cells and integrated battery energy storage systems (BESS) has taken on heightened importance in light of the few, but highly publicised battery fires. And while batteries have been commercially available for decades, most stationary storage products are less than five years old. The Battery Scorecard provides project developers and owners data and insights that can help them select the correct technologies for the unique conditions of their projects.

“The best and most accurate way to ensure performance and safety is through testing,” said Richard S. Barnes, region president, Energy Systems North America at DNV. “Battery systems aren’t worth installing if they can’t be run safely and reliably.”

For this edition of the scorecard, DNV’s programme tested 19 battery cell types across the following categories: cell performance (in three different applications; less than 2-hour grid support, 4-hour solar shifting, and high-power vehicle app); calendar fade; battery management system optimisation; and safety.

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