Tesla has released a new comparison report claiming Powerwall with solar is cheaper than a traditional backup generator.
For years now, Tesla has enjoyed a giant backlog of Powerwall orders, but now that production has ramped up, the automaker has worked through most of that backlog, and it has to start generating more demand for the home energy storage product.
Tesla has now released a new report that compares Powerwalls as a backup system to backup generators.
Fourth Power says its ultra-high temperature “sun in a box” energy storage tech is more than 10X cheaper than lithium-ion batteries, and vastly more powerful and efficient than any other thermal battery. It’s hoping to prove it with a 1-MWh prototype.
As a grid-level energy storage solution, Fourth aims to compete with big lithium battery arrays in the short-duration 5–10 hour range – basically storing excess solar energy during the heat of the day for use in the evening and at night when generation drops off. But the company says it’s also relevant up to the 100-hour stage, which would cover the “several days of bad weather and poor renewable generation” case.
This is one of a number of thermal energy storage companies coming up out of Massachusetts and backed by Bill Gates’s Breakthrough Energy Ventures fund. You might remember Antora Energy from a few months ago, with its ultra-hot carbon block batteries and high-efficiency thermophotovoltaic energy converters, for example.
The $25,000 Tesla Model 2 is a revolutionary and cost-effective option that aims to make sustainable mobility more accessible and change the EV landscape dramatically.
Questions to inspire discussion.
What is the price of the Tesla Model 2?
—The Tesla Model 2 is expected to be priced at $25,000, making it a more affordable option for consumers interested in electric vehicles.
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Tony Seba just made this insane solar prediction that is blowing my mind.
Tesla’s potential market size for its humanoid robot, Optimus, presents a massive opportunity worth trillions of dollars, far surpassing the impact of their electric vehicles.
Questions to inspire discussion.
What is the potential market size for Tesla’s humanoid robot, Optimus?
—The potential market size for Optimus presents a massive opportunity worth trillions of dollars, far surpassing the impact of Tesla’s electric vehicles.
Tesla is working on a $25,000 car expected to be released in 2024, which could potentially drive stock valuation and face potential demand issues.
Questions to inspire discussion.
When is Tesla expected to release a $25,000 car?
—Tesla is expected to release the $25,000 car in 2024, with the possibility of manufacturing and delivery by the end of the year.
If you want to improve the output of solar energy systems, why not also run them at night? That’s the question researchers in Qatar and Jordan addressed as they successfully devised a system that promises to more than double energy output of current solar power stations.
By combining two concepts—a solar updraft system and a cooling downdraft structure—researchers designed a model that could generate 753 MWh of energy annually. That’s enough to power roughly 753 homes for about five weeks or 1,500 60-watt light bulbs nonstop for a year.
The origins of the system, referred to as Solar Tower Power Plant, go back to 1982 when Spanish engineers constructed a chimney-like tower with a mechanical turbine at its base. Air within the tower was warmed by absorbing solar radiation, similar to a greenhouse. As the air heated, it created an updraft that rose and activated wind turbines that in turn generated electricity.
NASA has awarded Blue Origin a $35 million contract to further develop a technology that creates solar cells out of lunar regolith — the dust and crushed rock blanketing the moon’s surface.
“[W]e’re inspired and humbled to receive this investment from NASA to advance our innovation,” said Pat Remias, VP of Blue Origin’s Capabilities Directorate. “First we return humans to the moon, then we start to ‘live off the land.’”
Moon or bust: NASA plans to send astronauts to the moon again as soon as 2025, with the goal of establishing a long-term presence on the lunar surface soon after. For that to work, it’s going to need a way to provide astronauts with a steady supply of everything they need to survive and thrive, from food and water to oxygen and electricity.
Future quantum computers are expected to revolutionize problem-solving in various fields, such as creating sustainable materials, developing new medications, and unraveling complex issues in fundamental physics. However, these pioneering quantum systems are currently more error-prone than the classical computers we use today. Wouldn’t it be nice if researchers could just take out a special quantum eraser and get rid of the mistakes?
Reporting in the journal Nature, a group of researchers led by Caltech is among the first to demonstrate a type of quantum eraser. The physicists show that they can pinpoint and correct for mistakes in quantum computing systems known as “erasure” errors.
“It’s normally very hard to detect errors in quantum computers, because just the act of looking for errors causes more to occur,” says Adam Shaw, co-lead author of the new study and a graduate student in the laboratory of Manuel Endres, a professor of physics at Caltech. “But we show that with some careful control, we can precisely locate and erase certain errors without consequence, which is where the name erasure comes from.”