Energy Storage

Developed by researchers in Spain, the battery uses renewable electricity to melt low-cost metals such as silicon or ferrosilicon alloys to produce and store latent heat, which is in turn used by a thermophovoltaic generator to produce power. According to its creators, the device may store electricity at a cost of €10 per kilowatt-hour (AU$14.6/kWh) for a 10MWh system.

The New South Wales Government is advancing its plan to build the “biggest network battery in the southern hemisphere” by 2025 as it looks to shore up a reliable energy supply ahead of the impending closure of the coal-fired Eraring Power Station.

Pumped hydro energy storage is ideally positioned to support reliability and reduce volatility in the energy market as Australia shifts from fossil fuels towards renewable power with former prime minister Malcolm Turnbull labelling the technology the “ultimate long-duration storage” solution.

Following the early success of its solar integrated Gannawarra Energy Storage System, Edify Energy has again opted for Tesla Megapack as its preferred battery energy storage system for its combination of storage projects totalling 150MW/300MWh in the Riverina region of New South Wales.

Given the goings-on in the world this last quarter, Mike Jefferies, Investment Manager at Octopus Investments Australia, takes a look at the current macroeconomic environment, how this is tied to energy markets, the impacts Russia’s invasion of Ukraine has had on that energy market, what this could mean for Australia and how renewables could help address these issues.

The Australian Government has committed more than $240 million to critical minerals projects in a bid to end Australia’s reliance on China and cement its place in the rapidly growing global electric vehicle and battery markets.

For short-term storage in a 100% renewables grid, thermal energy storage located at concentrating solar power plants could compete with batteries, found a study using an idealised grid model. Seasonal storage needs could best be met with power-to-gas-to-power technology.

Australia’s largest energy retailer Origin Energy has ramped up plans for the delivery of large-scale renewable energy projects as it prepares to replace the capacity set to be withdrawn from the grid with the impending closure of the nation’s biggest coal-fired power station.

Mine sites across Western Australia are decarbonising after Zenith Energy and modular solar pioneer 5B signed an Ecosystem Framework Agreement-Deployment, which will see 5Bs rapidly deployable Maverick solar systems installed along with battery energy storage systems at multiple mine sties.

The London-based analyst has published a series of clean tech predictions for the year which also highlighted the rising proportion of sub-5MW solar projects in the global market, and cheaper clean energy financing costs even as panel prices continue to rise.