AEMO is setting up a national register of small-scale batteries and other distributed energy resources.

The Australian Energy Market Commission (AEMC) has made a final rule for the Australian Energy Market Operator (AEMO) to establish a register of distributed energy resources in the national electricity market, including small scale battery storage systems and rooftop solar.

The register will give network businesses and AEMO visibility of where distributed energy resources are connected to help in planning and operating the power system as it transforms.

The register will primarily be compiled using data collected by network businesses through existing processes.

The final rule also allows AEMO to incorporate any other relevant data it receives, for instance from the Clean Energy Regulator or state safety regulators, where appropriate.

Renewable energy advocates say it is an important step for AEMO, as it will create an official record of battery storage installs, which are expected to boom in the next few years.

AEMO is required to put out the first information guidelines for the register by early June 2019.