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Recent extreme weather events have underscored the need to reduce CO₂ emissions that increase global temperatures. This requires a rapid transition from an energy economy to renewable energy sources, the cheapest of which is solar photovoltaic (PV). And our recently published research shows how we can lower shift costs even further using a cheaper form of silicon for highly efficient solar panels. Australia has taken the lead with solar PV installations, but our solar energy journey has only just begun. This year, humanity reached the milestone of 1 terawatt (TW) – 1 million × 1 million watts – installed solar capacity. However, experts predict 70TW of solar PV may be needed by 2050 to power all sectors of the economy. To help drive this rapid uptake of solar PV, we need solar panels with high efficiency and low cost. Over the past ten years, several new solar cell designs have resulted in record high efficiency. The problem is that this design also requires higher quality materi

Ricky Barone installed a solar system on his roof in 2014 to make the most of North Queensland’s sunshine and save money on his electricity bill. Key points: Ricky Barone has been told the installation is a fire hazard but the retailer will not uninstall it A number of regulatory agencies receive complaints about diesel retailers, manufacturers and installers Some of the main issues raised were related to price, quality and high-pressure sales Since its installation, however, it has cost thousands of dollars and years without sleep. It was only this year that a so-called solar doctor inspected his roof panels did Mackay’s man realize the potential danger he was in. “He [the solar inspector] basically saying it was badly installed and there was a high chance it could catch fire,” Barone said. “I’m very disturbed and I haven’t slept well thinking about it.” Mr Barone said it was a two year wait to get the solar system installed by a local company, so he instead turned to a company based

Wall Street Journal reported earlier that Ant informed regulators that Ma intended to give up control and could transfer some of his voting rights to other top executives. Ma does not hold a management position at Ant and handing over control of the company would cause little disruption to day-to-day operations as he has not been deeply involved in years, said people familiar with the matter, who asked not to be named to discuss personal information. Ma initially ended up with majority vote control because Ant was separated from Alibaba in a complex transaction aimed at minimizing conflicts with Chinese regulations. Ant has reportedly notified regulators that Ma intends to relinquish control and may transfer some of his voting rights to other top executives. Credit: AP Ma’s decision may now be a way of aligning with President Xi Jinping’s vision of achieving “co-prosperity.” His company is trying to meet the demands of China’s watchdog, which has pledged to curb the expansion of “re

Researchers at ORNL used TRITON to simulate flooding in Houston, Texas, and surrounding areas caused by Hurricane Harvey in 2017. Light purples represent shallower water, and dark purples represent deeper water. Credit: Sudershan Gangrade/ORNL A team of researchers from the Department of Energy’s Oak Ridge National Laboratory and Tennessee Technological University has created a 2D open-source flood inundation model designed for multi-architecture computing systems. The Two-dimensional Runoff Inundation Toolkit for Operational Needs, or TRITON, can use multiple graphics processing units, or GPUs, to model floods more quickly and accurately than existing tools. Flood modeling is an important part of emergency preparedness and response. However, models must be fast and accurate—returning simulation results in minutes—to be a useful tool for decision making and planning. The higher the resolution of the model, the more computing power is

Toyota’s next SUV will hit local showrooms at the end of the year, with a choice of 2.0 liter petrol or hybrid power, and a possible deployment of three class models. 0 See 6 pictures What you’ve been waiting for Toyota Corolla Cross 2023 The small SUV has been given the go-ahead for sale in Australia, ahead of the arrival of the first showrooms before the end of this year. A recent Australian government certification document for the Corolla Cross lists three, previously confirmed powertrains for Toyota’s latest SUV: a 2.0-liter petrol engine with front-wheel drive, and a 2.0-liter hybrid system with front or all-wheel drive. The document hints at the availability of three model classes: an entry-level model with 17-inch wheels, a mid-spec variant with additional features, and a flagship class with 18-inch wheels and all available luxury features. Pricing hasn’t been confirmed, but if overseas pricing is a guide, expect the entry-level model to come in at around $35,000 a drive-away

PPPL main engineer Yuhu Zhai with high temperature superconducting magnet drawing, which can improve the performance of spherical tokamak fusion device. Credit: Kiran Sudarsanan / PPPL Transportation Service Researchers at the US Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) have found a way to build powerful magnets that are smaller than ever, helping design and construct machines that can help the world harness the power of the sun to create electricity. without producing the greenhouse gases that contribute to climate change. Scientists have found a way to build high-temperature superconducting magnets made of materials that conduct electricity with little or no resistance at warmer temperatures than before. Such a powerful magnet would fit more easily into the tight spaces inside the spherical tokamak, which is shaped more like a nucleated apple than a conventional donut tokamak, and is being explored as

When gas levels in storage drop too low, pressures may drop below the optimal range, air bubbles may form and customers may not receive their gas in a steady stream or at the right pressure for their plant and equipment. AEMO had to intervene to order two gas-fired power plants to limit operations which it said was “in line with previous communications issued for Iona storage depletion threats to system security events”. Snowy Hydro declined to comment. AEMO said the directive would remain in effect until the threat to the security of the system expires or market participants indicate that it can be a source of gas to meet electricity demand, potentially through October 1. A spokesman for AGL Energy, which operates gas-fired power plants in Victoria and South Australia, said it was monitoring the situation closely. “We note that AEMO has not imposed any withdrawal restrictions from Iona’s storage facilities,” he said. “We believe that there is unlikely to be a significant impact on our

Queenslanders with rooftop solar panels are effectively subsidizing power companies, according to Queensland Conservation Council (QCC) energy engineers. Key points: Energy retailers save millions of dollars per month because of rooftop solar, says Conservation Council Loganholme resident David Baggs says feed-in rates are “bad” The Australian Energy Council says feed-in rates are already high enough The feed-in rates paid to households exporting electricity are well below wholesale prices, meaning retailers save millions of dollars per month, said QCC energy strategist Clare Silcock. “Because the prices are so high, we’re seeing massive subsidies,” Silcock said. “It’s a bit of a change from what we’ve heard historically – that feed-in tariffs have benefited the middle class and channeled subsidies to people who can afford to install solar panels on their roofs.” In Loganholme, south of Brisbane, David Baggs earns 7 cents per kilowatt hour for the electricity he delivers to the grid.

The Australian Renewable Energy Agency has received an overwhelming response to its offer of a $100 million grant for an ‘advanced’ grid-scale battery project, which is seen as critical to the transition to a 100 percent renewable energy grid. A shortlist of 12 projects representing capacity in excess of 3GW and 7GWh storage was completed from more than 54 proposals. ARENA said its response “far exceeded expectations,” and underlined the major development path of Australia’s large battery storage project. Funding will be provided for at least three projects and selected projects have been asked to submit full applications for their share of the funding offer, available for new and existing projects equipped with ‘advanced’ inverters. Selected projects totaled a combined $297 million of grant requests, for a total investment value of $3.7 billion. The figures suggest that ARENA’s funding could eventually support the development of approximately 1,000 MW of new battery storage capacit