Battery swapping stations powered by solar and wind: we show how this could work for electric vehicles in South Africa: Petrol and diesel vehicles are being phased out globally and replaced with electric vehicles so that countries can meet their commitments to zero human-caused carbon emissions by 2050. But electric vehicles’ batteries run down quickly …
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Big Savings From a Solar Geyser System: With rising electricity costs and the growing urgency to embrace renewable energy, solar geyser systems are becoming increasingly popular. One option gaining traction in South Africa is the APEX SGS, a Cape Town-made system aiming to simplify access to solar water heating. But before you take the plunge, …
Gigantic solar farms of the future might impact how much solar power can be generated on the other side of the world: Kertu / shutterstock The Sun’s energy is effectively limitless. While resources such as coal or gas are finite, if you are able to capture and use solar power it doesn’t prevent anyone else …
Britain likely to generate more electricity from wind, solar and hydro than fossil fuels for the first year ever in 2023: Solar now provides about 5% of Britain's electricity. StudioFI / shutterstock There are many milestones to pass in the transition from a high to low-carbon sustainable energy system. There is the first hour without …
Tatahouine: ‘Star Wars meteorite’ sheds light on the early Solar System: The asteroid 4 vesta, left, and Tatooine, as seen in Star Wars, on the right. Nasa and wikipedia Locals watched in awe as a fireball exploded and hundreds of meteorite fragments rained down on the city of Tatahouine, Tunisia, on June 27, 1931. Fittingly, …
Nedbank launches Avo Solar to make solar power accessible to more households and businesses: With many South Africans seeking affordable and reliable solar power solutions to protect their homes and businesses from load-shedding, Nedbank has launched its first set of market-leading solar financing packages available on its Avo Solar website. The packages aim to make …
Solar power expected to dominate electricity generation by 2050 – even without more ambitious climate policies: Solar power is likely to become the dominant electricity source worldwide by 2050. Mny-Jhee/Shutterstock In pursuit of the ambitious goal of reaching net-zero emissions, nations worldwide must expand their use of clean energy sources. In the case of solar …
Victims of the green energy boom? The Indonesians facing eviction over a China-backed plan to turn their island into a solar panel ‘ecocity’: I first visited Rempang island in Summer 2022. Greeting me were lush fields lined with coconut and banana trees, picture-book fishing villages with houses jutting into the water on stilts, and boats …
If the first solar entrepreneur hadn’t been kidnapped, would fossil fuels have dominated the 20th century the way they did?: George Cove stands next to his third solar array. Popular Electricity Magazine, April 1910 / Low Tech Magazine One argument put forward in defence of fossil fuels is that they were a historical necessity, because …
Have we really found the first samples from beyond the Solar System? The evidence is not convincing: Frank Romeo/Shutterstock Avi Loeb, an astrophysicist at Harvard University in the US, has published a press release claiming that some of the 700 or so spherical metallic fragments (spherules) he recovered from the bottom of the Pacific Ocean, …
Rising temperatures mean more air conditioning which means more electricity is needed – rooftop solar is a perfect fit: Douglas Cliff / shutterstock On June 12 this year, the UK’s last remaining coal-fired power station was awoken from a 46-day slumber to meet demand for electricity to run air-conditioning units. These were rare circumstances as …
We could soon be getting energy from solar power harvested in space: StudioFI / Shutterstock The idea of space-based solar power (SBSP) – using satellites to collect energy from the sun and “beam” it to collection points on Earth – has been around since at least the late 1960s. Despite its huge potential, the concept …
Bats are avoiding solar farms and scientists aren’t sure why: The common pipistrelle. Rudmer Zwerver/Shutterstock As our planet continues to warm, the need for renewable energy is becoming increasingly urgent. Almost half of the UK’s electricity now comes from renewable sources. And solar accounts for one-fifth of the energy capacity installed since 2019. Solar farms …
Checkers gives away 120 home solar systems valued at R12 million: Checkers to give away home solar systems valued at R12 million In a South African first, Checkers has launched a competition that will see 120 winners each walk away with a comprehensive home solar solution worth over R100 000 to help its consumers offset …
South Africa’s power blackouts: solutions lie in solar farms and battery storage at scale, and an end to state monopoly: Protestors take to the streets in Johannesburg, South Africa against extended power cuts. Photo by Ihsaan Haffejee/Anadolu Agency via Getty Images Rolling blackouts are costing South Africa dearly. The electricity crisis is a barrier to …
Perovskite: new type of solar technology paves the way for abundant, cheap and printable cells: Scientists at Swansea University have pioneered a printable and rollable solar cell. Swansea University, Author provided Silicon solar cells are an established technology for the generation of electricity from the sun. But they take a lot of energy to produce, …
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