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Australia’s network operators seek ‘consistent approach’ to solar and battery grid connection rules

As part of the grid connection plans, four technical guidelines will be developed over the next six months. Image: Ausgrid.

Australia's 'peak national body' representing transmission and distribution organisations in both electricity and gas, Energy Networks Australia (ENA), has pushed for a more consistent approach to grid connections of solar PV and battery storage by issuing a set of guidelines.

The first issuance, ‘Distributed Energy Resources (DER) Grid Connection Guidelines Framework and Principles', seeks to make grid connections of these alternative technologies both smooth and fair, and while the actions within the guidelines are voluntary, ENA said that all Australian networks have already committed to adopt the requirements.

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ENA CEO Andrew Dillon said that as the country transformed into a more decentralised energy mix, consistency would be key, because until now networks have responded to the increasing additions of solar and storage by introducing their own – often different – technical requirements and connection processes.

Dillon said: “This has led to inconsistencies between networks, which has been identified as a major concern by stakeholders in numerous industry reports including the CSIRO/Energy Network Australia Electricity Network Transformation Roadmap. These guidelines are being developed to establish uniformity around voltage, legal frameworks and technical standards to enable fair, easy and efficient grid connection.”

That particular roadmap asserted that distributed energy technologies such as solar and battery-based storage could save Australia AU$101 billion (US$75 billion) by 2050 and completely eliminate greenhouse gas emissions.

As part of the grid connection plans, four technical guidelines will be developed over the next six months. A review will be held in October and every two years hence. The guidelines are to be developed in collaboration with the Australian Energy Regulator, Australian Energy Market Operator, Clean Energy Council, Energy Consumers Australia and all the nation’s electricity networks.

Australia's electricity market is undergoing changes across many of its segments as renewable energy costs fall and pressure to modernise the grid increases. The Australian Energy Market Commission (AEMC), for example, looks set to introduce five minute settlement into the electricity spot market, while AEMC is also considering whether distribution network companies should be allowed to own behind-the-meter energy storage

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