Resource sector heavyweight Rio Tinto has called for proposals to develop an estimated 4GW of large-scale wind and solar farms and firming capacity in central and southern Queensland as it progresses plans to power its aluminium operations in the state with renewable energy.

Australian federal and state governments have agreed to a suite of reforms designed to tackle soaring energy prices, including creating a national transition plan to phase out fossil fuels, financing projects to boost the nation’s electricity grid, and progressing designs for a new capacity mechanism.

About 1 million New South Wales households will be able to apply for an upfront payment of almost $3,000 to put towards a solar system or energy-saving upgrades to home appliances as part of a new state government program designed to reduce energy bills as power prices soar.

The chief of the Australian Energy Market Operator has declared the need to integrate greater levels of cheap, clean, renewable generation, and the right firming capacity into the national electricity market to ensure Australia’s energy system stays functional through a “once in a generation energy transition”.

A coalition of peak bodies has called on Australia’s energy ministers to work together to accelerate the transition to renewable energy and resist the temptation to focus only on short-term solutions when they meet today to discuss the “apocalyptic rises in energy prices” impacting Australian energy markets.

The Australian Capital Territory’s switch to 100% renewable electricity is providing electricity users in the nation’s capital with protection from skyrocketing energy costs as consumers in other parts of the nation grapple with rising energy bills.

Australian battery minerals company Liontown Resources has completed negotiations to supply electric vehicle and battery maker Tesla with spodumene concentrate from its Kathleen Valley lithium project in the Goldfields region of Western Australia.

With architects and construction companies across the world showing an increasing interest in building integrated PV, one Australian company has outlined plans to clad an eight-storey building being constructed in West Melbourne with a “solar skin” that will generate almost all of the building’s base power.

New South Wales has topped the charts for large-scale renewable energy generation in May but Queensland has dominated the solar stakes with the top six utility PV assets for the month all located in the sunshine state.

Australian supermarket giant Woolworths has marked a major milestone in its rooftop solar program with a store in the Canberra suburb of Conder becoming the retailer’s 150th outlet to be fitted with solar PV panels.