Fluence chief customer success officer John Zahurancik framed the result as addressing a long-standing transparency gap.

“Customers invest in energy storage to deliver power exactly when it is needed, and every minute of downtime represents lost revenue and grid vulnerability. We worked with DNV to establish a validated benchmark that Fluence customers can count on,” Zahurancik said.

“Fluence systems are delivering availability among the best-performing power assets in the world, including thermal generation, renewable power, and other energy storage, maximising the return on investment.

Fluence noted that across the energy storage industry, availability figures of 95% to 98% are often promoted, but that definitions and measurement approaches vary considerably, making it difficult for customers, investors and asset owners to compare performance across suppliers.

What 98.7% actually means