Portland General Electric.
Located in northern Oregon, the renewable energy facility comprises 30 megawatts of massive lithium batteries that can store up to 120 megawatt-hours of power, generated by the 300-megawatt wind farms and 50-megawatt solar farm, powering around 100,000 homes.
The country plans to increase its installed renewable energy capacity to 25 GW by 2030.
Greece met its energy demands from only renewable sources of energy for a period of five hours on Friday, October 7, PV Tech.
Back in the U.S., the state of California has managed to reach this landmark milestone a couple of times this year. However, Greece’s achievement is remarkable as the region is also fighting off a self-imposed ban on using Russia-supplied gas, in the wake of the conflict in Ukraine.
Many investors and onlookers are wondering what the future of Tesla’s valuation will look like, especially knowing how the company could revolutionize the world with its products. From electric vehicles to sustainable energy, some have even made the case that Tesla could someday become the world’s largest company — likely shifting the way the world works either way.
How Tesla Hits $10T & Builds The Future. Source: HyperChange
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A breakthrough in electric vehicle battery design has enabled a 10-minute charge time for a typical EV battery. The record-breaking combination of a shorter charge time and more energy acquired for longer travel range was announced today (Oct. 12) in the journal Nature.
“The need for smaller, faster-charging batteries is greater than ever,” said Chao-Yang Wang, the William E. Diefenderfer Professor of Mechanical Engineering at Penn State and lead author on the study. “There are simply not enough batteries and critical raw materials, especially those produced domestically, to meet anticipated demand.”
In August, California’s Air Resources Board passed an extensive plan to restrict and ultimately ban the sale of gasoline-powered cars within the state. By 2035, the largest auto market in the United States will effectively retire the internal combustion engine.
Greece was entirely powered by renewables for the first time in its history last week, according to the country’s independent power transmission operator (IPTO).
On Friday (7 October), for a period of around five hours, the country was running off entirely renewable power, reaching a record high of 3,106MWh at eight o’clock (GMT).
“For the first time in the history of the Greek electricity system, the demand was covered 100% from renewable energy sources,” its IPTO wrote.
Tesla has updated its in-car energy app to give a comparison between real energy use and the projected range, and it even gives you range advice to get closer to the optimal range.
Range calculations are difficult regardless of the type of powertrain – electric or internal combustion engine.
There are just so many factors that can affect the efficiency of a vehicle on a road that it is hard to determine how far it can go on a full battery pack or tank of gas.
Siemens Gamesa’s 14–222 DD offshore wind turbine prototype has, according to the Spanish-German wind giant today, set a world record for the most power output by a single wind turbine in a 24-hour period: 359 megawatt-hours.
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This would be enough energy, according to the company, for a mid-sized electric vehicle – think a Tesla Model 3 – to drive around 1.12 million miles (1.8 million km).
The gamma ray burst is the brightest ever detected in X-rays, according to scientists, and could shed light on the most energetic phenomena in space.
Their results apply only to enhanced geothermal plants, like the ones Fervo and other companies such as Cambridge, Mass.–based Quaise Energy and Seattle-based AltaRock Energy are developing.
Conventional geothermal systems drill wells into naturally occurring hydrothermal reservoirs. But these pockets of hot water deep underground do not exist everywhere. In the United States, for instance, they are mostly located in the west.
Enhanced geothermal systems (EGS) get around this geographical limitation by creating artificial reservoirs. Developers create fractures in hot, dry rock formations by drilling into or melting the rock, and then injecting water into the fissures. Production wells bring the heated water up for producing electricity. “For scales necessary to contribute to national or global electricity decarbonization, we need to be able to extract geothermal heat outside of conventional formations,” Ricks says.
Osaka Metropolitan University scientists have successfully developed a new positive electrode material Na2FeS2, consisting of sodium, iron, and sulfur. During testing, batteries using the Na2FeS2 positive electrode had a high energy storage capacity and could be charged and discharged for more than 300 cycles. Because the Na2FeS2 is made of abundant inexpensive elements, it is expected to be used in all-solid-state sodium batteries with higher capacity and lower costs.
The demand for high energy density rechargeable batteries, such as lithium-ion batteries, increases every year, as society shifts toward becoming carbon neutral. Sodium-ion batteries—which have a resource advantage over lithium-ion batteries —are attracting more attention, as cheap new high-performance materials continue to be developed.
A research group led by Associate Professor Atsushi Sakuda, President Masahiro Tatsumisago, and Professor Akitoshi Hayashi, at the Graduate School of Engineering, Osaka Metropolitan University, has successfully developed a new positive electrode, made of Na2FeS2, for all-solid-state sodium batteries. The batteries have a high energy storage capacity, high reversibility and use inexpensive elements that are readily available.
