The Australian Energy Market Operator has issued new warnings of potential breaches in the reliability standards for the National Electricity Market in coming years due to delays in key transmission projects and looming retirements of coal-fired generators.

Australian green infrastructure investor and developer Quinbrook Infrastructure Partners has announced plans to leverage its growing portfolio of renewable energy and storage projects and green hydrogen produced by a proposed 3 GW production facility to manufacture “green iron” in central Queensland.

Queensland aluminium materials manufacturer Alpha HPA says it will establish the world’s largest single-site high-purity alumina products refinery after reaching a final investment decision on the second stage of its processing facility in Gladstone.

Rooftop PV is the fourth largest source of electricity generation in Australia, providing about 11% of the country’s power supply, but solar industry analyst SunWiz has cautioned the market to brace for a challenging period.

North American hydrogen technology company Plug Power has agreed to supply up to 3 GW of electrolysers to Western Australian chemical company Allied Green Ammonia for a large-scale, renewables-based hydrogen and ammonia production project planned for the Northern Territory.

For years, the electricity sector has been the poster child for emissions cuts in Australia. The sector achieved a stunning 26% drop in emissions over the past 15 years, while other sectors have hardly budged. The share of renewable energy has gone from 7.5% to more than 30% in that time.

The Australian Energy Market Commission has published a new ring-fencing rule for transmission network companies as it seeks to boost competition for grid connection services and speed up the deployment of new solar, wind and battery projects.

Australian energy giant Origin Energy has revealed plans to build what would be Queensland’s biggest battery energy storage system as it continues the expansion of its renewable energy generation and storage portfolio.

United States-headquartered module maker SEG Solar has struck a deal for the development and operation of a PV manufacturing facility on the Indonesian island of Java with a production capacity of 5 GW of silicon wafers, 5 GW of solar cells, and 5 GW of PV modules.

An Australian start-up spun out of the CSIRO has been awarded a grant to build a 5 kW electrolyser that will be deployed at a United Kingdom power plant operated by French energy utility EDF.