How often lightning can be lethal?

By Globe and Mail


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How does lightning kill? How does it injure people?

About 10 percent of people struck by lightning actually die. In the United States, this amounts to about 60 people (taken over a 30-year average) a year; in Canada, about 10 people per year. So, we estimate lightning injures about 600 people in the USA and 100 in Canada each year.

Lightning delivers a massive pulse of electricity. It can kill or injure a nearby person, either:

• by striking her directly, causing gigantic currents to surge through the body; or

• by striking something connected to her, such as a pipe carrying water to her shower or a wire conducting electricity to an electrical appliance she is holding. She then completes the circuit to ground, and huge currents flow through her body.

Lightning kills, primarily, by interrupting the heart's rhythm. The heart stops, or perhaps beats erratically, and breathing may cease. The heart can start up on its own, but breathing does not. If no one is there to help the victim, the lack of oxygen and possible nerve damage can cause the heart to stop, permanently.

In addition to jumbling electrical signals controlling heart beat and breathing, lightning can cause currents to flow through the brain, firing and possibly permanently damaging synapses. "If brain damage is severe, coma may develop. Typically, the person awakens but does not remember what happened before the injury. The person may be confused, think slowly, and have difficulty concentrating and remembering recent events. Personality changes may occur," says the Merck Medical Manuals.

Thunder noise and rapidly expanding air often perforate a person's eardrums. Electrical current passing over a body can:

• damage eyes, including creating cataracts;

• injure the nervous system so both legs become temporarily paralyzed, blue and numb;

• burn skin with a feathering, branching pattern, consisting of pinpoint spots like a cigarette burn, or streaks where sweat has boiled into steam.

The safest place to be during a lightning storm is inside a large, enclosed building (like a house) but not touching anything that conducts electricity (water, pipes or wires, for example) or in an enclosed metal car (not a convertible) or truck with the windows rolled up.

The riskiest place is in open terrain; next riskiest is under a tree. Florida usually has the most lightning strikes and fatalities of the 50 states, though, in 2006, Colorado tied Florida for the number of fatalities (5).

What are the risks of being struck by lightning?

Each year, lightning strikes 600 people, on the average, in the United States. The U.S. Census Bureau estimates the population in 2007 to be about 300,000,000. So, the odds of lightning striking a person in a year is about 600 / 300,000,000

1 / 500,000 or 1 in 500 thousand, states meteorologist John Jensenius of the NOAA and the National Weather Service.

The probability of lightning striking us over an 80-year lifetime is about 1 in 6,000.

Over the past 30 years, lightning killed more people in the U.S. than tornadoes or hurricanes, says Jensenius.

Similarly, lightning strikes 100 Canadians each year. Canada's national statistical agency (Statistics Canada) estimates the Canadian population in 2008 to be about 33,000,000. So the odds of lightning striking a Canadian in a year is about one in 300 thousand and over an 80-year lifetime is about 1 in 4,000.

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Fixing California's electric grid is like repairing a car while driving

CAISO Clean Energy Transition outlines California's path to 100% carbon-free power by 2045, scaling renewables, battery storage, and offshore wind while safeguarding grid reliability, managing natural gas, and leveraging Western markets like EDAM.

 

Key Points

CAISO Clean Energy Transition is the plan to reach 100% carbon-free power by 2045 while maintaining grid reliability.

✅ Target: add 7 GW/year to reach 120 GW capacity by 2045

✅ Battery storage up 30x; smooths intermittent solar and wind

✅ EDAM and WEIM enhance imports, savings, and reliability

 

Mark Rothleder, Chief Operating Officer and Senior Vice President at the California Independent System Operator (CAISO), which manages roughly 80% of California’s electric grid, has expressed cautious optimism about meeting the state's ambitious clean energy targets while keeping the lights on across the grid. However, he acknowledges that this journey will not be without its challenges.

California aims to transition its power system to 100% carbon-free sources by 2045, ensuring a reliable electricity supply at reasonable costs for consumers. Rothleder, aware of the task's enormity, likens it to a complex car repair performed while the vehicle is in motion.

Recent achievements have demonstrated California's ability to temporarily sustain its grid using clean energy sources. According to Rothleder, the real challenge lies in maintaining this performance round the clock, every day of the year.

Adding thousands of megawatts of renewable energy into California’s existing 50-gigawatt system, which needs to expand to 120 gigawatts to meet the 2045 goal, poses a significant challenge, though recent grid upgrade funding offers some support for needed infrastructure. CAISO estimates that an addition of 7 gigawatts of clean power per year for the next two decades is necessary, all while ensuring uninterrupted power delivery.

While natural gas currently constitutes California's largest single source of power, Rothleder notes the need to gradually decrease reliance on it, even as it remains an operational necessity in the transition phase.

In 2023, CAISO added 5,660 megawatts of new power to the grid, with plans to integrate over 1,100 additional megawatts in the next six to eight months of 2024. Battery storage, crucial for mitigating the intermittent nature of wind and solar power, has seen substantial growth as California turns to batteries for grid support, increasing 30-fold in three years.

Rothleder emphasizes that electricity reliability is paramount, as consumers always expect power availability. He also highlights the potential of offshore wind projects to significantly contribute to California's power mix by 2045.

The offshore wind industry faces financial and supply chain challenges despite these plans. CAISO’s 20-year outlook indicates a significant increase in utility-scale solar, requiring extensive land use and wider deployment of advanced inverters for grid stability.

Addressing affordability is vital, especially as California residents face increasing utility bills. Rothleder suggests a broader energy cost perspective, encompassing utility and transportation expenses.

Despite smooth grid operations in 2023, challenges in previous years, including extreme weather-induced power outages driven by climate change, underscore the need for a robust, adaptable grid. California imports about a quarter of its power from neighbouring states and participates in the Western Energy Imbalance Market, which has yielded significant savings.

CAISO is also working on establishing an extended day-ahead electricity market (EDAM) to enhance the current energy market's success, building on insights from a Western grid integration report that supports expanded coordination.

Rothleder believes that a thoughtfully designed, diverse power system can offer greater reliability and resilience in the long run. A future grid reliant on multiple, smaller power sources such as microgrids could better absorb potential losses, ensuring a more reliable electricity supply for California.

 

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The crisis in numbers: How COVID-19 has reshaped Saskatchewan

Saskatchewan COVID-19 economic impact: real-time data shows drops in electricity demand, oil well licensing, traffic and tickets, plus spikes in internet usage, government site visits, remote work, and alcohol wholesale volumes.

 

Key Points

COVID-19 reduced energy use, drilling and traffic, while pushing activity online; jobs, rents and sales show strain.

✅ Electricity demand down 6.7%; residential usage up

✅ Oil well license applications fell 15-fold in April

✅ Internet traffic up 16%-46%; wireless LTE up 34%

 

We’re only just beginning to grasp how COVID-19 has upended Saskatchewan’s economy, its government and all of our lives.

The numbers that usually make headlines — job losses, economic contraction, bankruptcies — are still well behind the pace of the virus and its toll.

But other numbers change more quickly. Saskatchewan people are using less power, and the power industry is adopting on-site staffing plans to ensure reliability as conditions evolve. We’re racking up fewer speeding tickets. And as new restrictions come, we’re clicking onto Saskatchewan.ca as much as 10,000 times per minute.

Here’s some data that provides a first glimpse into how much our province has changed in just six weeks.

Electricity use tends to rise and fall in tandem with the health of the economy, and the most recent data from SaskPower suggests businesses are powering down, while regional utilities such as Manitoba Hydro seek unpaid days off to trim costs.

Peak load requirements between March 15 and April 26 were 220 MW lower than during the same period in 2019, and elsewhere BC Hydro is posting COVID-19 updates at Site C as it manages project impacts. That’s a decrease of 6.7 per cent, with total load on April 29 at 2,551 MW. A megawatt is enough electricity to power about 1,000 homes.

Separate from pandemic impacts, an external investigation at Manitoba Hydro has drawn attention to workplace conduct issues.

But it’s not homes that are turning off the lights. SaskPower spokesman Joel Cherry said commercial and industrial usage is down, while residential demand is up, with household electricity bills rising as more people stay home.

The timing of power demand has also shifted, a pattern seen as residential electricity use rises during work-from-home routines. Peak load would usually come around 8 or 9 p.m. in April. Now it’s coming earlier, typically between 5 and 6 p.m.

Oil well applications fall 15-fold
Oil prices have cratered since late February, and producers in Saskatchewan have reacted by pulling back on drilling plans, while neighbouring Alberta provides transition support for coal workers amid broader energy shifts.

Applications for well licences fell from 242 in January to 203 in February (including nine potash and one helium operations), before dropping to 84 in March. April, the month benchmark oil prices went negative for one day, producers submitted just 15 applications.

That’s 15 times fewer than the 231 applications the Ministry of Energy and Resources received in April 2019.

Well licences are needed for drilling, operating, injecting, producing or exploring an oil and gas or potash well in the province.

There has been no clear trend in well abandonment, however. There were 176 applications for abandonment in March and 155 in April, roughly in line with figures from the year before.

SGI spokesman Tyler McMurchy believes the lower numbers might stem from a combination of lower traffic volumes during part of the month, possibly combined with a shift in police priorities. The March 2020 numbers are also well below January and February figures.

Indeed, the Ministry of Highways and infrastructure reported a 16 per cent decrease in average daily traffic last month compared to March 2019, through its traffic counts at 11 different spots on highways across the province.

In Regina, traffic counts at 16 locations dropped from a high of 2.1 million in the first week of March to a low of 1.3 million during the week of March 22. That’s a 44 per cent decrease.

Counts have gradually recovered to 1.6 million in the weeks since. The data was fairly consistent at all 16 spots, which are largely major intersections, though the city cautioned they may not be representative of Regina as a whole.

Tickets for cellphone use while driving also fell, dropping from 562 in February to 314 in March. McMurchy noted that distracted driving numbers in general have been falling since November as stiffer penalties were announced. Impaired driving tickets were up, by contrast, but still within a typical range.

Internet traffic shoots up 16 per cent, far more for rural high speed
You may be spending a lot more time on Netflix and Facebook in the age of social distancing, and SaskTel has noticed.

From late February to late April, SaskTel has seen “very significant increases in provincial data traffic.” DSL and fibre optic networks have handled a 16 per cent increase in traffic, while demand on the wireless LTE network is up 34 per cent.

Usage on the Fusion network up 46 per cent. That network serves rural areas that don’t have access to other high-speed options.

The specific reference dates for comparison were February 24 and April 27.

“We attribute these changes in data usage to the pandemic and not expected seasonal or yearly shifts in usage patterns,” said spokesman Greg Jacobs.

Saskatchewan.ca was attracting just 70 page views per minute on average in February. But page views jumped over 10,000 per minute at 2:38 p.m. on March 18, as Moe was still announcing the new measures.

That’s a 14,000 per cent increase.

For all of March, visitor sessions on the site clocked in at 3,905,061, almost four times the 944,904 recorded for February.

Bureaucracy has increasingly migrated to cyberspace, with 62 per cent of civil servants now working from home. Government Skype calls, both audio and video, have tripled from 12,000 sessions per day to 35,000.Telephone conference calls increased by a factor of 14 from the first week of February to the second full week of April, with 25 times more weekly call participants. 

The Ministry of Central Services reported a 17 per cent jump in emails received by government over the past two months, excluding the Ministry of Health.

But as civil servants spend more time on their computers, the government’s fleet is spending a lot less time on the road. The ministry has purchased 40 per cent fewer litres of fuel for its vehicles over the past four weeks, compared to the same time last year.

Alcohol wholesale volumes up 22 per cent, then fall back to normal
Retailers bought more alcohol from the Saskatchewan Liquor and Gaming Authority (SLGA) last month, just as the government began tightening pandemic restrictions.

Wholesale sales volumes were up 22 per cent over March 15 to 28, compared to the same period in 2019. SLGA spokesman David Morris said the additional demand “was likely the result of retailers stocking-up as restrictions related to COVID-19 took effect.”

But the jump didn’t last. Wholesale volumes were back to normal for the first two weeks of April. SLGA did notice a very slight uptick last week, however, with volumes out of its distribution centre up three per cent. The numbers do not include Brewer’s Distributors Ltd.

It’s unclear how much more alcohol consumers actually purchased, since province-wide retail numbers were not available.

There was no discernible trend in March for anti-anxiety medication, however. The number of prescriptions filled for benzodiazepines like Valium, Xanax and Ativan see-sawed over March, according to data provided by the College of Physicians and Surgeons, but its associate registrar does not believe the trends are statistically relevant.

One-fifth of tenants miss April rent
About 20 per cent of residential rent went totally unpaid in the first six days of April, according to the Saskatchewan Landlord Association (SLA).

The precise number is 19.7 per cent, but there’s some uncertainty due to the survey method, which is based on responses from 300 residential landlords with 14,000 units. An additional 12 per cent of tenants paid a portion of their rent, but not the full amount. The figures do not include social housing.

Cameron Choquette, the association’s executive officer, partly blames the province’s decision to suspend most landlord tenant board hearings for evictions, saying it “allows more people to take advantage of landlords by not paying their rent and not facing any consequences.”

The government has defended the suspension by saying it’s needed to ensure everyone has a safe place to self-isolate if needed during the pandemic.

March’s jobs numbers were bad, with almost 21,000 fewer Saskatchewan people employed compared to February.

April’s labour force survey is expected on Friday. But new April numbers released Wednesday show that two-thirds of the province’s businesses managed to avoid laying off staff almost entirely.

According to Statistics Canada, 66.2 per cent of businesses reported laying off between zero and one per cent of their employees due to COVID-19. That was better than any other province. Just 7.6 per cent laid off all of their employees, again the best number outside the territories. The survey period was April 3 to 24.

Some businesses are even hiring. Walmart, for instance, has hired 300 people in Saskatchewan since mid-March.

Trade and Export Development Minister Jeremy Harrison chalked the data up to a relatively more optimistic business outlook in Saskatchewan, combined with “very targeted” restrictions and a support program for small and medium businesses.

That support program, which provides $5,000 grants to qualifying businesses affected by government restrictions, has only been around for three weeks. But it’s already been bombarded with 6,317 applications.

The total value of those applications would be $24,178,000, according to Harrison. Of them, 3,586 have been approved with a value of $11,755,000.

Businesses are coming to Harrison’s ministry with thousands of questions. Since it opened in March, the Business Response Team has received 4,125 calls and 1,758 emails.

The kinds of questions have changed over the course of the pandemic. Many are now asking when they can open their doors, according to Harrison, as they wonder about “grey areas” in the Re-Open Saskatchewan plan.

 

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Schott Powers German Plants with Green Electricity

Schott Green Electricity CPPA secures renewable energy via a solar park in Schleswig-Holstein, supporting decarbonization in German glass manufacturing; the corporate PPA with ane.energy delivers about 14.5 GWh annually toward climate-neutral production by 2030.

 

Key Points

Corporate PPA for 14.5 GWh solar in Germany, cutting Schott plant emissions and advancing climate-neutral operations.

✅ 14.5 GWh solar from Schleswig-Holstein via ane.energy

✅ Powers Mainz HQ and plants in GrFCnenplan, Mitterteich, Landshut

✅ Two-year CPPA covers ~5% of Schott's German electricity needs

 

Schott, a leading specialty glass manufacturer, is advancing its sustainability initiatives in step with Germany's energy transition by integrating green electricity into its operations. Through a Corporate Power Purchase Agreement (CPPA) with green energy specialist ane.energy, Schott aims to significantly reduce its carbon footprint and move closer to its goal of climate-neutral production by 2030.

Transition to Renewable Energy

As of February 2025, amid a German renewables milestone for the power sector, Schott has committed to sourcing approximately 14.5 gigawatt-hours of clean energy annually from a solar park in Schleswig-Holstein, Germany. This renewable energy will power Schott's headquarters in Mainz and its plants in Grünenplan, Mitterteich, and Landshut. The CPPA covers about 5% of the company's annual electricity needs in Germany and is initially set for a two-year term, reflecting lessons from extended nuclear power during recent supply challenges.

Strategic Implementation

To achieve climate-neutral production by 2030, Schott is focusing on transitioning from gas to electricity sourced from renewable sources like photovoltaics, alongside complementary pathways such as hydrogen-ready power plants being developed nationally. Operating a single melting tank requires energy equivalent to the annual consumption of up to 10,000 single-family homes. Therefore, Schott has strategically selected suitable plants for this renewable energy supply to meet its substantial energy requirements.

Industry Leadership

Schott's collaboration with ane.energy demonstrates the company's commitment to sustainability and its proactive approach to integrating renewable energy into industrial operations. This partnership not only supports Schott's decarbonization goals but also sets a precedent for other manufacturers in the glass industry to adopt green energy solutions, mirroring advances like green hydrogen steel in heavy industry.

Schott's initiative to power its German glass plants with green electricity underscores the company's dedication to environmental responsibility and its strategic efforts to achieve climate-neutral production by 2030, aligning with the national coal and nuclear phaseout underway. This move reflects a broader trend in the manufacturing sector toward sustainable practices and the adoption of renewable energy sources, even as debates continue over a possible nuclear phaseout U-turn in Germany.

 

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Electricity Prices Surge to Record as Europe Struggles to Keep Lights on

France Electricity Crisis drives record power prices as nuclear outages squeeze supply, forcing energy imports, fuel oil and coal generation, amid gas market shocks, weak wind output, and freezing weather straining the grid.

 

Key Points

A French power shortfall from nuclear outages, record prices, heavy imports, and oil-fired backup amid cold weather.

✅ EDF halted reactors; 10% capacity offline, 30% by January

✅ Imports surge; fuel oil and coal units dispatched

✅ Prices spike as gas reverses flow and wind output drops

 

Electricity prices surged to a fresh record as France scrambled to keep its lights on, sucking up supplies from the rest of Europe.

France, usually an exporter of power, is boosting electricity imports and even burning fuel oil, and has at times limited nuclear output due to high river temperatures during heatwaves. The crunch comes after Electricite de France SA said it would halt four reactors accounting for 10% of the nation’s nuclear capacity, straining power grids already facing cold weather. Six oil-fired units were turned on in France on Tuesday morning, according to a filing with Entsoe.

“It’s illustrating how severe it is when they’re actually starting to burn fuel oil and importing from all these countries,” said Fabian Ronningen, an analyst at Rystad Energy. The unexpected plant maintenance “is reflected in the market prices,” he said

Europe is facing an energy crisis, with utilities relying on coal and oil. Almost 30% of France’s nuclear capacity will be offline at the beginning of January, leaving the energy market at the mercy of the weather. To make matters worse, Germany is closing almost half of its nuclear capacity before the end of the year, as Europe loses nuclear power just when it really needs energy.

German power for delivery next year surged 10% to 278.50 euros a megawatt-hour, while the French contract for January added 9.5% to a record 700.60 euros. Prices also gained, under Europe’s marginal pricing system, as gas jumped after shipments from Russia via a key pipeline reversed direction, flowing eastward toward Poland instead.

Neighboring countries are boosting their exports to France this week to cover for lost nuclear output, with imports from Germany rising to highest level in at least four years. In the U.K., four coal power units were operating on Tuesday with as much as 1.5 gigawatts of hourly output being sent across the channel. 

The power crisis is so severe that the French government has asked EDF to restart some nuclear reactors earlier than planned amid outage risks for nuclear-powered France. Ecology Minister Barbara Pompili said last weekend that, in addition to the early reactor restarts and past river-temperature limits, the country had contracts with some companies in which they agreed to cut production during peak demand hours in exchange for payments from the government.

Higher energy prices threaten to derail Europe’s economic recovery just as the coronavirus omicron variety is spreading. Trafigura Group’s Nyrstar will pause production at its zinc smelter in France in the first week of January because of rising electricity prices. Norwegian fertilizer producer Yara International, which curbed output earlier this year, said it would continue to monitor the situation closely and curtail production where necessary.

Freezing weather this week is also sending short-term power prices surging as renewables can’t keep up, even though wind and solar overtook gas in the EU last year. German wind output plunged to a five-week low on Tuesday.

 

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Trump's Proposal on Ukraine's Nuclear Plants Sparks Controversy

Ukraine Nuclear Plant Ownership Proposal outlines U.S. management of Ukrainian reactors amid the Russia-Ukraine war, citing nuclear safety, energy security, and IAEA oversight; Kyiv rejects ownership transfer, especially regarding Zaporizhzhia under Russian control.

 

Key Points

U.S. control of Ukraine's nuclear plants for safety; Kyiv rejects transfer, citing sovereignty risks at Zaporizhzhia.

✅ U.S. proposal to manage Ukraine's reactors amid war

✅ Kyiv refuses ownership transfer; open to investment

✅ Zaporizhzhia under Russian control raises safety risks

 

In the midst of the ongoing conflict between Russia and Ukraine, U.S. President Donald Trump has proposed a controversial idea: Ukraine should give its nuclear power plants to the United States for safekeeping and management. This suggestion came during a phone call with Ukrainian President Volodymyr Zelenskyy, wherein Trump expressed the belief that American ownership of these nuclear plants could offer them the best protection amid the ongoing war. But Kyiv, while open to foreign support, has firmly rejected the idea of transferring ownership, especially as the Zaporizhzhia nuclear plant remains under Russian occupation.

Ukraine’s nuclear energy infrastructure has always been a vital component of its power generation. Before the war, the country’s four nuclear plants supplied nearly half of its electricity. As Russia's military forces target Ukraine's energy infrastructure, including power plants and coal mines, international watchdogs like the IAEA have warned of nuclear risks as these nuclear facilities have become crucial to maintaining the nation’s energy stability. The Zaporizhzhia plant, in particular, has attracted international concern due to its size and the ongoing threat of a potential nuclear disaster.

Trump’s Proposal and Ukraine’s Response

Trump’s proposal of U.S. ownership came as a response to the ongoing threats posed by Russia’s occupation of the Zaporizhzhia plant. Trump argued that the U.S., with its expertise in running nuclear power plants, could safeguard these facilities from further damage and potential nuclear accidents. However, Zelenskyy quickly clarified that the discussion was only focused on the Zaporizhzhia plant, which is currently under Russian control. The Ukrainian president emphasized that Kyiv would not entertain the idea of permanently transferring ownership of its nuclear plants, even though they would welcome investment in their restoration and modernization, particularly after the war.

The Zaporizhzhia nuclear plant has been a focal point of geopolitical tensions since Russia's occupation in 2022. Despite being in "cold shutdown" to prevent further risk of explosions, the facility remains a major concern due to its potential to cause a nuclear disaster. Ukrainian officials, along with international observers, have raised alarm about the safety risks posed by the plant, including mines at Zaporizhzhia reported by UN watchdogs, which is situated in a war zone and under the control of Russian forces who are reportedly neglecting proper safety protocols.

The Fear of a Nuclear Provocation

Ukrainians have expressed concerns that Trump’s proposal could embolden Russia to escalate tensions further, even as a potential agreement on power-plant attacks has been discussed by some parties. Some fear that any attempt to reclaim the plant by Ukraine could trigger a Russian provocation, including a deliberate attack on the plant, which would have catastrophic consequences for both Ukraine and the broader region. The analogy is drawn with the destruction of the Nova Kakhovka dam, which Ukraine accuses Russia of sabotaging, an act that severely disrupted water supplies to the Zaporizhzhia plant. Ukrainian military officials, including Ihor Romanenko, a former deputy head of Ukraine’s armed forces, warned that Trump’s suggestion might be an exploitation of Ukraine’s vulnerable position in the ongoing war.

Despite these fears, there are some voices within Ukraine, including former employees of the Zaporizhzhia plant, who believe that a deliberate attack by Russian forces is unlikely. They argue that the Russian military needs the plant in functioning condition for future negotiations, with Russia building new power lines to reactivate the site as part of that calculus, and any damage could reduce its value in such exchanges. However, the possibility of Russian negligence or mismanagement remains a significant risk.

The Strategic Role of Ukraine's Nuclear Plants

Ukraine's nuclear plants were a cornerstone of the country’s energy sector long before the conflict began. In recent years, as Ukraine lost access to coal resources in the Donbas region due to Russian occupation, nuclear power became even more vital, alongside a growing focus on wind power to improve resilience. The country’s reliance on these plants grew as Russia launched a sustained campaign to destroy Ukraine’s energy infrastructure, including attacks on nuclear power stations.

The Zaporizhzhia plant, in particular, holds strategic importance not only due to its size but also because of its location in southeastern Ukraine, an area that has been at the heart of the conflict. Despite being in Russian hands, the plant’s reactors have been safely shut down, reducing the immediate risk of a nuclear explosion. However, the plant’s future remains uncertain, as Russia’s long-term control over it could disrupt Ukraine’s energy security for years to come.

Wider Concerns About Aging Nuclear Infrastructure

Beyond the geopolitical tensions, there are broader concerns about the aging infrastructure of Ukraine's nuclear power plants. International watchdogs, including the environmentalist group Bankwatch, have criticized these facilities as “zombie reactors” due to their outdated designs and safety risks. Experts have called for Ukraine to decommission some of these reactors, fearing that they are increasingly unsafe, especially in the context of a war.

However, Ukrainian officials, including Petro Kotin, head of Energoatom (Ukraine's state-owned nuclear energy company), argue that these reactors are still functional and critical to Ukraine's energy needs. The ongoing conflict, however, complicates efforts to modernize and secure these facilities, which are increasingly vulnerable to both physical damage and potential nuclear hazards.

The Global Implications

Trump's suggestion to take control of Ukraine's nuclear power plants has raised significant concerns on the international stage. Some fear that such a move could set a dangerous precedent for nuclear security and sovereignty. Others see it as an opportunistic proposal that exploits Ukraine's wartime vulnerability.

While the future of Ukraine's nuclear plants remains uncertain, one thing is clear: these facilities are now at the center of a geopolitical struggle that could have far-reaching consequences for the energy security of Europe and the world. The safety of these plants and their role in Ukraine's energy future will remain a critical issue as the war continues and as Ukraine navigates its relations with both the U.S. and Russia, with the grid even having resumed electricity exports at times.

 

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New fuel cell concept brings biological design to better electricity generation

Quinone-mediated fuel cell uses a bio-inspired organic shuttle to carry electrons and protons to a nearby cobalt catalyst, improving hydrogen conversion, cutting platinum dependence, and raising efficiency while lowering costs for clean electricity.

 

Key Points

An affordable, bio-inspired fuel cell using an organic quinone shuttle and cobalt catalyst to move electrons efficiently

✅ Organic quinone shuttles electrons to a separate cobalt catalyst

✅ Reduces platinum use, lowering cost of hydrogen power

✅ Bio-inspired design aims to boost efficiency and durability

 

Fuel cells have long been viewed as a promising power source. But most fuel cells are too expensive, inefficient, or both. In a new approach, inspired by biology, a team has designed a fuel cell using cheaper materials and an organic compound that shuttles electrons and protons.

Fuel cells have long been viewed as a promising power source. These devices, invented in the 1830s, generate electricity directly from chemicals, such as hydrogen and oxygen, and produce only water vapor as emissions. But most fuel cells are too expensive, inefficient, or both.

In a new approach, inspired by biology and published today (Oct. 3, 2018) in the journal Joule, a University of Wisconsin-Madison team has designed a fuel cell using cheaper materials and an organic compound that shuttles electrons and protons.

In a traditional fuel cell, the electrons and protons from hydrogen are transported from one electrode to another, where they combine with oxygen to produce water. This process converts chemical energy into electricity. To generate a meaningful amount of charge in a short enough amount of time, a catalyst is needed to accelerate the reactions.

Right now, the best catalyst on the market is platinum -- but it comes with a high price tag, and while advances like low-cost heat-to-electric materials show promise, they address different conversion pathways. This makes fuel cells expensive and is one reason why there are only a few thousand vehicles running on hydrogen fuel currently on U.S. roads.

Shannon Stahl, the UW-Madison professor of chemistry who led the study in collaboration with Thatcher Root, a professor of chemical and biological engineering, says less expensive metals can be used as catalysts in current fuel cells, but only if used in large quantities. "The problem is, when you attach too much of a catalyst to an electrode, the material becomes less effective," he says, "leading to a loss of energy efficiency."

The team's solution was to pack a lower-cost metal, cobalt, into a reactor nearby, where the larger quantity of material doesn't interfere with its performance. The team then devised a strategy to shuttle electrons and protons back and forth from this reactor to the fuel cell.

The right vehicle for this transport proved to be an organic compound, called a quinone, that can carry two electrons and protons at a time. In the team's design, a quinone picks up these particles at the fuel cell electrode, transports them to the nearby reactor filled with an inexpensive cobalt catalyst, and then returns to the fuel cell to pick up more "passengers."

Many quinones degrade into a tar-like substance after only a few round trips. Stahl's lab, however, designed an ultra-stable quinone derivative. By modifying its structure, the team drastically slowed down the deterioration of the quinone. In fact, the compounds they assembled last up to 5,000 hours -- a more than 100-fold increase in lifetime compared to previous quinone structures.

"While it isn't the final solution, our concept introduces a new approach to address the problems in this field," says Stahl. He notes that the energy output of his new design produces about 20 percent of what is possible in hydrogen fuel cells currently on the market. On the other hand, the system is about 100 times more effective than biofuel cells that use related organic shuttles.

The next step for Stahl and his team is to bump up the performance of the quinone mediators, allowing them to shuttle electrons more effectively and produce more power. This advance would allow their design to match the performance of conventional fuel cells, but with a lower price tag.

"The ultimate goal for this project is to give industry carbon-free options for creating electricity, including thermoelectric materials that harvest waste heat," says Colin Anson, a postdoctoral researcher in the Stahl lab and publication co-author. "The objective is to find out what industry needs and create a fuel cell that fills that hole."

This step in the development of a cheaper alternative could eventually be a boon for companies like Amazon and Home Depot that already use hydrogen fuel cells to drive forklifts in their warehouses.

"In spite of major obstacles, the hydrogen economy, with efforts such as storing electricity in pipelines in Europe, seems to be growing," adds Stahl, "one step at a time."

Financial support for this project was provided by the Center for Molecular Electrocatalysis, an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, and by the Wisconsin Alumni Research Foundation (WARF) through the WARF Accelerator Program.

 

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