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Courtesy of Pacific Northwest National Laboratory.
By Kelsey Adkisson

As yet another heat wave shattered temperature records in the Pacific Northwest in mid-2021, threats of rolling blackouts rippled throughout the region.

These recurring extreme weather threats offer a sobering reminder that aging energy grids weren’t designed to handle the stress of climate change. Nor were they designed to withstand the energy impact from extreme events like heat waves, droughts, or wildfires, which are predicted to become more frequent and intense, according to Pacific Northwest National Laboratory’s (PNNL’s) Nathalie Voisin, a PNNL Earth scientist who is part of a team working on grid resilience in relation to climate change.

“Even under modest climate change projections, threats of power shortfalls will become more common,” said Voisin.

In the Pacific Northwest, which is dependent on hydropower to help generate electricity, more frequent heat waves, water scarcity, and increased wildfire risk put increased pressure on an overburdened power grid. Currently, over 90% of the western United States is facing drought conditions. One year ago, it was 40%.

To relieve some of that pressure, research teams at PNNL are focused on prevention. They are working to predict future drought scenarios and create hydropower and grid contingency plans, implement smart electricity load controls, manage forests to reduce the impact of wildfire, and place new grid infrastructure, like energy storage or microgrids, where they are needed most.

“When we’re talking about power shortfalls, even small steps add up. Shifting large appliance use, like a high amount of dishwashers or washing machines, from afternoon and evening peak hours to the morning or the night, or increasing thermostats a couple degrees in the summer and using ceiling or floor fans can make a difference,” said PNNL’s Dhruv Bhatnagar, an energy systems engineer.

What high temperatures mean for hydropower

The early summer heat wave of 2021 led to a spike in energy demand that left hydroelectric dam operators with a difficult choice: (1) use water to keep up with the surge, leaving less water for late summer, or (2) buy energy on the open market, often at higher prices and from natural gas.

PNNL modelers like Voisin are working to predict these types of events and the impacts to generation and load, including short-term issues like heat waves or longer-term issues like droughts via efforts like the Department of Energy’s HydroWIRES initiative.

Led by PNNL earth scientists Nathalie Voisin and Sean Turner, the research team used computer simulations to compare the risk of power shortfalls with no climate change versus modest climate change. (Video: Pacific NorthwestNational Laboratory)

PNNL researchers are using advanced modeling to predict droughts and provide grid operators with information for decisions on how to allocate power during extreme events. For instance, to simulate the impact of climate change on the future power grid, researchers used a computer model called GENESYS. Recent results showed that power systems will be affected by multiple stressors simultaneously, and these impacts compound and aren’t just additive.

PNNL is developing drought scenarios to help operators and regulatory agencies with future planning. This includes predicting future drought conditions and the impacts on hydropower and thermoelectric plants, which can then be used to understand the potential impact on grid operations and guide adaptation.

“This information is used to help operators make risk-informed decisions and determine where vulnerabilities may lie. Ultimately, it will help answer the question—given different stressors, will there be enough power to meet the demand and other power grid needs?” said Voisin.

“Will there be enough power to meet the demand?” — Nathalie Voisin, PNNL Earth scientist 

Recently, Voisin and her team evaluated how hydropower operations vary seasonally and annually depending on water availability for the Chelan Public Utility District. For example, they demonstrated that even during a dry summer, when hydropower’s overall generation is limited by low water availability, hydropower maintains its flexibility to support the peak load under extreme events. This highlights the need to better consider the range of services that hydropower can provide to address the resilience of the grid under extreme events.

Wildfire and hydropower

During an above-normal fire season, like what is currently occurring in California, there will likely be impacts on the grid, either through intentional shutoffs to reduce fire risk or loss of infrastructure due to the fire itself.

“The idea is not to stop all wildfires but to work in advance to reduce their risk, and predict areas that are more prone to them,” said PNNL’s Mark Wigmosta, a PNNL environmental engineer. Wigmosta’s work focuses on forest thinning and restoration with the goal of less fuel for fires.

“The idea is not to stop all wildfires but to work in advance to reduce their risk” — Mark Wigmosta, PNNL environmental engineer

Reducing fuel load in highly dense forests may leave more water in streams and can lead to higher, longer-lasting snowpack. This may produce more water throughout the summer dry season.

“This may provide a way to get more water into the system, depending on location,” said Wigmosta. Another grid benefit is that weaker fires are likely to burn less energy infrastructure. For example, between 2000 and 2016, wildfires caused at least $700 million in damages to 40 transmission lines in California. Nationwide costs from wildfires are significantly higher.

After fires burn, there is typically an increase in runoff and sedimentation. Sediment flows downstream, builds up in reservoirs, and “isn’t great for infrastructure, including turbines,” said Wigmosta. Prescribed burns or tree thinning can actually increase flow volumes and improve hydropower operations. And, weaker fires will have less of a negative impact on infrastructure and the grid.

Better technology from buildings to batteries

During peak power demands, like a heat wave, emerging technology offers the potential for consumers to manage or supplement loads. Smart tools, like intelligent load control, automatically manage building energy use during peak electricity demands. PNNL has been working on ways to make buildings more energy efficient, in addition to optimizing the future of hydropower.

Backup or autonomous power sources also offer promise, particularly during emergency situations. Microgrids are self-contained grids that can power key areas, such as hospitals or police stations, during power shortfalls that could occur during extreme events like a wildfire or hurricane. PNNL’s Microgrid Component Optimization for Resilience tool helps streamline the design process for microgrids with the goal of simulating power under a variety of outage conditions.

PNNL is also taking a leadership role in developing new technologies for grid-scale energy storage, which includes a new generation of battery materials and systems and other forms of energy storage. For example, current grid-scale energy storage systems such as pumped storage hydropower use pumps to move water uphill to store renewable energy when demand is low and generate power when demands are high as water flows downhill. PNNL has been working on incremental steps with pumped storage, such as evaluating environmental impacts of newer systems, to enhance future grid resilience or working with international stakeholders to identify strategies to finance and develop new projects. Even concepts like pairing batteries with hydropower are being explored to enhance hydropower’s capabilities and assure reliability during power shortages while reducing environmental impacts.

“Ultimately, we want to prepare for extreme events. Whether it’s through technological innovation, enhancing grid resilience, or supporting long-term planning. We take a holistic approach to tackling these big, long-term challenges to support risk-informed decision-making,” said Voisin.

This work was supported by the U.S. Department of Energy’s Office of Energy Efficiency and Renewable Energy and Office of Electricity, among other agencies.

 

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Out of control Mustang Mach-E in viral video isn’t real, driver arrested for DUI

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Out of control Mustang Mach-E in viral video isn't real, driver arrested for DUI

That viral Tik Tok video showing a “self driving” Ford Mustang Mach-E scraping its way down the highway with a helpless passenger behind the steering wheel praying for his life? California Highway Patrol says the car wasn’t driving itself during the viral highway crash and arrested the driver on suspicion of driving under the influence.

If you have’t seen the video, posted by TikToker Marty Byrde, it shows a self-driving Ford Mustang Mach-E driving down the road, grinding itself against the highway’s concrete Jersey barriers, with the driver behind the wheel, seemingly helpless and afraid and trapped inside an out-of-control vehicle, apparently praying for his life.

There, in a single video, was everyone’s worst fear in an age of electric steering, brake-by-wire, and self-driving cars: a car that loses its mind, killing you and everyone you love and probably a busload of orphans for good measure. (!)

But, thankfully, that doesn’t seem to be what actually happened. At least, not according to the California Highway Patrol (CHP) in Redwood City.

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In case it vanishes, the CHP press release does a good job of explaining the situation as it stands, while emphasizing that any short-form video content is going to lack potentially needed context before the public begins to panic about a Maximum Overdrive sort of scenario.

The preliminary investigation indicates the driver of a green Ford Mustang Mach E, crashed into a red Mitsubishi Mirage then collided with the right shoulder wall near the Holly Street overcrossing. Through our investigation, we determined the vehicle was not operating in autonomous mode and CHP officers arrested the driver on suspicion of driving under the influence, resulting in injuries to another.

While we understand public interest in such incidents, video clips may not capture the complete context or investigative process. The CHP conducts each investigation thoroughly, professionally, and in accordance with the law. We thank the community for its concern and remind motorist to report dangerous driving by calling 9-1-1.

CALIFORNIA HIGHWAY PATROL – REDWOOD

The video was especially surprising given Ford’s BlueCruise excellent track record. The system is good enough, in fact, to have been named the top active driver assistance system (ADAS) by Consumer Reports, surpassing rivals such as GM’s Super Cruise and Tesla’s Autopilot in a comparison test of similar OEM ADAS systems.

The original Tik Toker who recorded the now viral video (I hate that phrase, too, but millions of people have seen it by now) reported that no one seemed hurt in the ensuing accident. Coupled with CHP’s confirmation that the Mach-E wasn’t driving itself during the accident, I’d say that walking out of a hands-free, highway speed crash is as good an endorsement as any … but in case you need another one, this one went 250,000 miles and still had 92% of its battery life left.

Ford is currently offering 0% interest financing for up to 72 months for well-qualified buyers, as well as $1,000 in retail bonus cash in some markets.

SOURCE | IMAGES: CHP, featured image from marty.byrde3.


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No, Trump’s Big Beautiful Bill doesn’t mean it’s too late to benefit from home solar

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No, Trump's Big Beautiful Bill doesn't mean it's too late to benefit from home solar

The Trump Administration’s “Big Beautiful Bill” (BBB) is doing a lot of damage to America’s health, economy, and global standing – but one thing it certainly has not done is make it “too late” for US homeowners to benefit from a rooftop solar system.

Companies like Tesla and Rivian are reeling from the double-whammy of Trump’s BBB ending the $7,500 Federal EV tax credit early and killing the market for carbon tax credits, which provides EV car brands with hundreds of millions of dollars, almost overnight. Still another part of the bill that’s getting a lot of publicity is the death of the 30% tax credit for home solar systems at the end of 2025, which has led many Americans who have been “on the fence” about adding a solar or solar + storage solution to their home to believe they waited too long to go solar.

The good news? It’s not too late. Homeowners who get solar installed and operational by December 31st can still claim a full 30% federal tax credit for 2025, and any unused portion of that credit rolls over to the next tax year.

The better news? Even without the solar tax credit, adding a home solar system with battery backup storage can still deliver a positive ROI.

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Solar benefits go beyond tax credits


home solar storage prices
Home solar installation, via Sunrun.

The most obvious benefit of home solar plus battery storage is that you can produce your own energy (or, if you’ve been following along for a while, electric fuel) for less than it would cost you to buy that energy from your local utility. That’s been true for a while, but it’s about to become even more true.

Outlets like The Washington Post and The Guardian are predicting that household energy bills in Republican-leaning states could rise by more than $600 next year, based on their analyses of the BBB. One study, by energy and climate think tank Energy Innovation, showed energy prices rising by much as 18% by 2035 as a result of Trump’s policies.

Energy Innovation’s analysis skews left, and tends to focus on “left of zero” outcomes. Still, when the corporatist rags start quoting bad numbers and bear markets, you should probably pay attention. Some of the key takeaways of the EI study include:

  • Power generation capacity will fall 340 gigawatts by 2035, raising costs to meet growing demand and damaging industrial competitiveness
  • Wholesale electricity prices will increase 25 percent by 2030 and 74 percent by 2035; electricity rates paid by consumers will increase between 9-18 percent by 2035
  • Household energy costs will increase $170 annually by 2035
  • America loses $980 billion in cumulative GDP through the budget reconciliation window
  • Florida, Texas, Kentucky, and both North and South Carolina stand to be hit the hardest by rising energy costs over the next ten years

Beyond insulating your household budget from rising energy costs, a home solar system can help to insulate your home, too – which means you’ll need less of that lower cost electricity you’re generating to keep it cool in the summer and warm in the winter.

That’s not just me saying that. A study by the Jacobs School of Engineering at UC San Diego study found that during the day, ceilings under tilted solar panels were about 5°F cooler than exposed ceilings, thanks to the panels acting as a shade and creating an air gap that helps dissipate heat. In cool weather, the panels helped homes retain heat, leading to a dual benefit across multiple seasons.

“There are more efficient ways to passively cool buildings, such as reflective roof membranes,” explains Jan Kleissl, a professor of environmental engineering at UC San Diego. “But, if you are considering installing solar photovoltaic, depending on your roof thermal properties, you can expect a large reduction in the amount of energy you use to cool your residence or business.”

Keeping your own personal costs at bay while putting clean, excess energy that’s not stored in your home batteries back into the grid is a win-win that not only reduces your own energy bills but also puts downward pressure on wholesale electricity prices.

What’s more, because the rising costs of energy prices are outpacing interest rates, it might even make sense to finance a solar package – but definitely don’t take my word for that. Talk to a certified financial planner or someone with a fiduciary interest in your money to work the numbers before you start signing stuff.

Original content from Electrek.

READ MORE: It’s time to start recommending some Tesla Powerwall alternatives.


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Not enough: Corvette concept falls 1,000 hp short of Chinese hypercar hype [video]

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Not enough: Corvette concept falls 1,000 hp short of Chinese hypercar hype [video]

The Corvette CX making its debut at this weekend’s The Quail, a Motorsports Gathering, generates more than 2,000 combined hp from its four, individually controlled and torque-vectoring electric motors. It’s staggering power, draped in beautiful bodywork, at a point in time when Corvette is rapidly climbing through the supercar ranks. There’s only one problem with this latest rendition of America’s motorsports icon: China’s has 1,000 more hp.

The specs for the Yangwang U9 Track Edition that leaked last week in BYD filings with the Ministry of Industry and Information Technology (MIIT) read like something out a middle schooler’s journal. 3,000 hp. 0-60 in one second. An electric motor for each wheel. A top speed approaching 300 mph. If it’s real (and there is absolutely zero reason to believe that it isn’t), the BYD will be the performance car benchmark against which all others are measured, like the Ferrari F40 of the 1980s, McLaren F1 of the 1990s, or Bugattis of the twenty-first century.

And that 3,000 hp BYD? That’s a production car, if limited. Meanwhile, the latest no production intent, pie-in-the-sky, no-holds-barred, you can just say shit and no one will ever question it electric hypercar concept from GM falls more than 1,000 hp short, at “just” 2,000 hp.

But don’t count the Corvette out.

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More grease, bigger hammer


Callaway Sledgehammer, via Mecum Auctions.

Whatever you may think of poster-era supercars like the Lamborghini Diablo, Porsche Carerra GT, or Pagani Huayra – or even modern electric hypercars like the Tesla Model S Plaid and Xiaomi SU7 – the one thing they all have in common is that they are all objectively slower than the 255 mph Callaway Corvette Sledgehammer from 1988, above.

I won’t go into the specs of that car (this isn’t that kind of car blog), but the point is that while the Corvette is often overlooked, there is a reason GM’s top-shelf sporty car carries that “King of the Hill” nickname – and the new Corvette CX concept is similarly, undoubtedly, more than just a list of specs in a magazine.

And those specs are seriously impressive. The new Corvette CX concept packs four independent electric motors putting out a combined 2,000 hp and some ungoldy amount of Earth-moving torque under advanced software controls that enable four-wheel torque vectoring for maximum grip and cornering performance, as well as precise steering control under even the heaviest of braking.

Power to those motors comes from the Corvette CX’ 90 kWh lithium-ion battery that’s centrally mounted low in the chassis, giving the car a low center of gravity and, crucially, ideal 50/50 front-rear weight distribution.

Plus: it’s gorgeous


The Corvette team says the CX concept draws from more more than seventy (!) years of Corvette heritage while being a forward looking concept, not a retro piece. Stylistically, the concept seems more visually mature and subdued than its in-production C8 cousin, and seems to promise a return to the C3-5 eras’ cleaner, less busy aesthetics.

Phil Zak, executive design director for Chevrolet, is very rightly proud of the CX’ design. “While the shape of a Corvette has always been expressive and forward-looking, each crease and line has its roots in the generations that came before it. It is aspirational, it is cultural, it is the reason people want to come and work at Chevrolet,” says, Zak. “The CX … demonstrate(s) our design teams stepping away from the constraints of production vehicles and unleashing their creativity. Through this exercise, we’ve added to Corvette and defined the design direction for Corvette moving forward.”

The rest of the official GM press release copy highlights the aviation-inspired canopy, jet-age interior, and an underbody fan system not entirely unlike the system leaked in Tesla patent filings earlier this week. You can see that here:

Aggressively futuristic, yet unquestionably a Corvette, the CX concept shows what an uncompromised future sports car can be. The athletic exterior design, highlighted by the fighter-jet-inspired cockpit canopy, isn’t just about looking powerful – it was shaped in collaboration with the GM Motorsports Aero Group. Every angle was designed with ultimate performance in mind.

On the inside, every aspect of the CX concept was designed to provide an unmatched driving experience. The forward-opening fighter-jet-style canopy automatically raises as you approach. Driver and passenger settle into seating finished in Inferno Red ballistic textile, bolstered to help hold occupants in place during high-g cornering maneuvers. Premium silicone leather, milled aluminum, and low-gloss forged carbon fiber accents give an elevated feel to the driver-focused cabin.

The digital windscreen transforms the windshield into an immersive surround display with real-time performance data. Every major control is elegantly integrated into the steering wheel, keeping the driver’s focus on the road ahead.

The innovations continue underneath the skin with the Vacuum Fan System. Built-in fans draw air through the open-channel bodywork, generating massive downforce and adjusting the airflow over the rear diffuser to refine aerodynamic balance in real-time. The front diffuser and rear wing are both active, adjusting automatically in response to the driver’s inputs to generate maximum grip. The integrated understructure of the CX concept is visible through the aero channels in the bodywork, and the suspension A-arms are wing-shaped to enhance airflow and reduce front-end lift.

CHEVROLET

All in all, the new Corvette CX concept is an impressive piece of engineering and rolling art. It’s also a statement from GM that, while the Corvette may very well be going all-electric in its next iteration, it won’t be going any slower. In fact, the first electric Corvette might even be the best one ever – but don’t say that one too loud (you’ll upset the New Balance crowd).

That said, as a pure concept that almost no one will ever drive and which might never get publicly strapped on to a dyno, it is absolutely baffling that Chevy wouldn’t have just claimed 3,000 hp. Even if it was just to match BYD’s claims and continue to build on a century of hype for American exceptionalism, you know?

That’s my take, anyway – what’s yours? Watch the Corvette CX Concept hype video from Chevrolet, below, then let us know what you think of the latest GM concept in the comments.

Electric Corvette CX concept


SOURCE | IMAGES: GM, Mecum.


If you’re considering going solar, it’s always a good idea to get quotes from a few installers. To make sure you find a trusted, reliable solar installer near you that offers competitive pricing, check out EnergySage, a free service that makes it easy for you to go solar. It has hundreds of pre-vetted solar installers competing for your business, ensuring you get high-quality solutions and save 20-30% compared to going it alone. Plus, it’s free to use, and you won’t get sales calls until you select an installer and share your phone number with them. 

Your personalized solar quotes are easy to compare online and you’ll get access to unbiased Energy Advisors to help you every step of the way. Get started here.

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