TR 77-1:2020(2023) (2023)

Electrical energy storage (EES) systems – Part 1 : Planning and performance assessment of electrical energy storage systems – General specification


This Technical Reference is applicable to EES systems designed for grid-connected indoor or outdoor installation and operation.This document considers:

– necessary functions and capabilities of EES systems
– test items and performance assessment methods for EES systems
– requirements for monitoring and acquisition of EES system operating parameters
– exchange of system information and control capabilities required

Stakeholders of this document comprise personnel involved with EES systems, which includes:

– planners of electric power systems and EES systems
– owners of EES system
– operators of electric power systems and EES systems
– constructors
– suppliers of EES system and its equipment
– aggregators




Status Confirmed
Edition 2020(2023) (2023)
No. of Pages 61
ICS Classification 13.020.30 Environmental impact assessment
Committee Electrical and Electronic Standards Committee
Available for Purchase Global
Adoption IEC TS 62933-3-1 : 2018 MOD