Supplementary Specification to IEC TS 62933-3-1 for Battery Energy
for the procurement of battery energy storage systems (BESSs) in accordance with IEC TS 62933-3-1, Edition 1.0 2018-08 Electrical energy storage (EES) systems – Part 3-1: Planning and performance assessment of electrical energy storage systems – General specification, for application in the petroleum and natural gas industries.