Hospitals relieved isotopes back in production

By Toronto Star


CSA Z462 Arc Flash Training - Electrical Safety Essentials

Our customized live online or in‑person group training can be delivered to your staff at your location.

  • Live Online
  • 6 hours Instructor-led
  • Group Training Available
Regular Price:
$249
Coupon Price:
$199
Reserve Your Seat Today
Toronto hospitals are breathing a sigh of relief because a possible radioactive isotope shortage has been averted.

"We were lucky this time around," said Dawn-Marie King, director of clinical operations for the joint department of medical imaging for Toronto General, Toronto Western, Princess Margaret, Women's College and Mount Sinai hospitals. "We should end up with isotopes on (December 18) of this week."

The Chalk River nuclear facility, which produces the medical isotopes, was shut down Dec. 4 for routine maintenance and to make a configuration change for research unrelated to medical isotopes, said Atomic Energy of Canada Ltd. spokesperson Dale Coffin.

That maintenance lasted six-and-a-half days, which was longer than expected, Coffin said, and prompted some to fear a possible global shortfall of radioactive isotopes. AECL produces more than half of the world's medical isotopes.

But the shortfall was short-lived and any crisis has now been avoided since Chalk River went back into full production December 12, said Dr. Christopher O'Brien, president of the Ontario Association of Nuclear Medicine and medical director of nuclear medicine at Brantford General Hospital.

"This is good news now, but this also reflects things to come," O'Brien said. "There is no replacement for Chalk River and if it goes down for any specific period of time we will be in dire straights."

Meanwhile, about 20 to 30 patients who needed tests at Toronto hospitals had to be rescheduled because of the temporary shortage of isotopes.

Coffin said the reactor operates on a 21-day cycle: 16 days of operation followed by a routine five-day closure for regular maintenance.

He said the reactor always boosts production before its routine closure, and has been producing on average 30 to 40 per cent more medical isotopes than usual to compensate for a closure in Europe.

A statement released by Natural Resources Minister Lisa Raitt said at Canada's request, several governments and industry will meet in January in France to discuss the security of isotope supply.

Last year Chalk River, known as the National Research Universal reactor, was shut down for a prolonged period over safety concerns, causing a shortage of medical isotopes worldwide. Hospitals use the isotopes for nuclear imaging testing that can help diagnose a wide array of problems, including heart disease, blood clots and cancer.

Related News

Nine EU countries oppose electricity market reforms as fix for energy price spike

EU Electricity Market Reform Opposition highlights nine states resisting an overhaul of the wholesale power market amid gas price spikes, urging energy efficiency, interconnection targets, and EU caution rather than redesigns affecting renewables.

 

Key Points

Nine EU states reject overhauling wholesale power pricing, favoring efficiency and prudent policy over redesigns.

✅ Nine states oppose redesign of wholesale power market.

✅ Call for efficiency and 15% interconnection by 2030.

✅ Ministers to debate responses amid gas-driven price spikes.

 

Germany, Denmark, Ireland and six other European countries said on Monday they would not support a reform of the EU electricity market, ahead of an emergency meeting of energy ministers to discuss emergency measures and the recent price spike.

European gas and power prices soared to record high levels in autumn and have remained high, prompting countries including Spain and France to urge Brussels to redesign its electricity market rules.

Nine countries on Monday poured cold water on those proposals, in a joint statement that said they "cannot support any measure that conflicts with the internal gas and electricity market" such as an overhaul of the wholesale power market altogether.

"As the price spikes have global drivers, we should be very careful before interfering in the design of internal energy markets," the statement said.

"This will not be a remedy to mitigate the current rising energy prices linked to fossil fuels markets across Europe."

Austria, Germany, Denmark, Estonia, Finland, Ireland, Luxembourg, Latvia and the Netherlands signed the statement, which called instead for more measures to save energy and a target for a 15% interconnection of the EU electricity market by 2030.

European energy ministers meet tomorrow to discuss their response to the price spike, including gas price cap strategies under consideration. Most countries are using tax cuts, subsidies and other national measures to shield consumers against the impact higher gas prices are having on energy bills, but EU governments are struggling to agree on a longer term response.

Spain has led calls for a revamp of the wholesale power market in response to the price spike, amid tensions between France and Germany over reform, arguing that the system is not supporting the EU's green transition.

Under the current system, the wholesale electricity price is set by the last power plant needed to meet overall demand for power. Gas plants often set the price in this system, which Spain said was unfair as it results in cheap renewable energy being sold for the same price as costlier fossil fuel-based power.

The European Commission has said it will investigate whether the EU power market is functioning well, but that there is no evidence to suggest a different system would have better protected countries against the surge in energy costs, and that rolling back electricity prices is tougher than it appears during such spikes.

 

Related News

View more

Melting Glass Experiment Surprises Scientists by Defying a Law of Electricity

Electric Field-Induced Glass Softening reveals a Joule heating anomaly in silicate glass, where anode-side nanoscale alkali depletion drives ionic conduction, localized thermal runaway, melting, and evaporation, challenging homogeneity assumptions and refining materials processing models.

 

Key Points

An effect where electric fields lower glass softening temperature via nanoscale ionic migration and structural change.

✅ Anode-side alkali depletion creates extreme, localized heating

✅ Thermal runaway melts glass near the anode despite uniform bulk

✅ Findings refine Joule heating models and enable new glass processing

 

A team of scientists working with electrical currents and silicate glass have been left gobsmacked after the glass appeared to defy a basic physical law, in a field that also explores electricity-from-air devices for novel energy harvesting.

If you pass an electrical current through a material, the way that current generates heat can be described by Joule's first law. It's been observed time and time again, with the temperature always evenly distributed when the material is homogeneous (or uniform).

But not in this recent experiment. A section - and only a section - of silicate glass became so hot that it melted, and even evaporated. Moreover, it did so at a much lower temperature than the boiling point of the material.

The boiling point of pure silicate glass is 2,230 degrees Celsius (4,046 degrees Fahrenheit). The hottest temperature the researchers recorded in a homogeneous piece of silicate glass during the experiment was 1,868.7 degrees Celsius.

Say whaaaat.

"The calculations did not add up to explain what we were seeing as simply standard Joule heating," said engineer and materials scientist Himanshu Jain of Lehigh University.

"Even under very moderate conditions, we observed fumes of glass that would require thousands of degrees higher temperature than Joule's law could predict!"

Jain and his colleagues from materials science company Corning Incorporated were investigating a phenomenon they had described in a previous paper. In 2015, they reported that an electric field could reduce the temperature at which glass softens, by as much as a few hundred degrees, a line of inquiry that parallels work on low-cost heat-to-electricity materials in energy research. They called this "electric field-induced softening."

 

It was certainly a peculiar phenomenon, so they set up another experiment. They put pieces of glass in a furnace, and applied 100 to 200 volts in the form of both alternating and direct currents.

Next, a thin wisp of vapour emanated from the spot where the anode conveying the current contacted the glass.

"In our experiments, the glass became more than a thousand degrees Celsius hotter near the positive side than in the rest of the glass, which was very surprising considering that the glass was totally homogeneous to begin with," Jain said.

This seems to fly in the face of Joule's first law, so the team investigated more closely - and found that the glass wasn't remaining as homogeneous as it started out. The electric field changed the chemistry and the structure of the glass on nanoscale, in just a small section close to the anode.

This region heats faster than the rest of the glass, to the point of becoming a thermal runaway - where an increase in temperature further increases temperature in a blistering feedback loop.

As it turned out, that spot of structural change and dramatic heat resulted in a small area of glass reaching melting point while the rest of the material remained solid.

"Unlike electronically conducting metals and semiconductors, with time the heating of ionically conducting glass becomes extremely inhomogeneous with the formation of a nanoscale alkali-depletion region, such that the glass melts near the anode, even evaporates, while remaining solid elsewhere," the researchers wrote in their paper.

In other words, the material wasn't homogeneous any more, which means the glass heating experiment doesn't exactly change how we apply Joule's first law.

But it's an exciting result, since until now we didn't know a material could actually lose its homogeneity with the application of an electrical current, with possible implications for thin-film heat harvesters in electronics. (The thing is, no one had tried electrically heating glass to these extreme temperatures before.)

So the physical laws of the Universe are still okay, as a piece of glass hasn't broken them. But Joule's first law may need a bit of tweaking to take this effect into account, a reminder that unconventional energy concepts like nighttime solar cells also challenge our intuitions.

And, of course, it's another piece of understanding that could help us in other ways too, including advances in thermoelectric materials that turn waste heat into electricity.

"Besides demonstrating the need to qualify Joule's law," Jain said, "the results are critical to developing new technology for the fabrication and manufacturing of glass and ceramic materials."

The research has been published in Scientific Reports.

 

Related News

View more

Russian Strikes Threaten Ukraine's Power Grid

Ukraine Power Grid Attacks intensify as missile and drone strikes hit substations and power plants, causing blackouts, humanitarian crises, strained hospitals, and emergency repairs, with winter energy shortages and civilian infrastructure damage worsening nationwide.

 

Key Points

Strikes on energy infrastructure causing blackouts, service disruption, and heightened humanitarian risk in winter.

✅ Missile and drone strikes cripple plants, substations, and lines

✅ Blackouts disrupt water, heating, hospitals, and critical services

✅ Emergency repairs, generators, and aid mitigate winter shortages

 

Ukraine's energy infrastructure remains a primary target in Russia's ongoing invasion, with a recent wave of missile strikes causing power outages in western regions and disrupting critical services across the country. These attacks have devastating humanitarian consequences, leaving millions of Ukrainians without heat, water, and electricity as winter approaches.


Systematic Targeting of Energy Infrastructure

Russia's strategy of deliberately targeting Ukraine's power grid marks a significant escalation, directly affecting the lives of civilians. Power plants, substations, and transmission lines have been hit with missiles and drones, with the latest strikes in late April causing blackouts in cities across Ukraine, including the capital, Kyiv, as the country fights to keep the lights on amid relentless bombardment.


Humanitarian Catastrophe Looms

The damage to Ukraine's electrical system hinders essential services like water supply, sewage treatment, and heating. Hospitals and other critical facilities struggle to operate without reliable power. With winter around the corner, the ongoing attacks threaten a humanitarian catastrophe even as authorities outline plans to keep the lights on this winter for vulnerable communities.


Ukrainian Resolve Remains Unbroken

Despite the devastation, Ukrainian engineers and workers race against time to repair damaged infrastructure and restore power as quickly as possible, while communities adopt new energy solutions to overcome blackouts to maintain essential services. The nation's energy workers have been hailed as heroes for their tireless efforts to keep the lights on amidst relentless attacks. Officials have urged civilians to reduce energy consumption whenever possible to alleviate strain on the fragile grid.


International Condemnation and Support

The systematic attacks on Ukraine's power grid have been widely condemned by the international community.  Western nations have accused Russia of war crimes, highlighting the deliberate targeting of civilian infrastructure. Aid organizations and countries are coordinating efforts to provide emergency power supplies, including generators and transformers, to help Ukraine mitigate the immediate crisis, even as the U.S. ended support for grid restoration in a recent policy shift.


Implications Beyond Ukraine

The humanitarian crisis unfolding in Ukraine due to power grid attacks carries implications far beyond its borders. The disruption of energy supplies could lead to further instability in neighbouring countries dependent on Ukraine's power exports, although officials say electricity reserves are sufficient to prevent scheduled outages if attacks subside. Additionally, a surge in Ukrainian refugees fleeing the deteriorating conditions could put a strain on resources within the European Union.


War Crimes Allegations

International human rights organizations are documenting evidence of Russia's deliberate attacks on Ukraine's civilian infrastructure. Human Rights Watch (HRW) has stated that Russia's targeting of power stations could violate the laws of war and amount to war crimes. This documentation will be crucial for holding Russia accountable for its actions in the future.


Uncertain Future for Ukraine's Power Supply

The long-term consequences of Russia's sustained attacks on Ukraine's power grid remain uncertain. While Ukrainian workers demonstrate incredible resilience, the sheer scale of repeated damage may eventually overwhelm their ability to keep pace with repairs, and, as winter looms over the battlefront, electricity is civilization for frontline communities. Rebuilding destroyed infrastructure could take years and cost billions, a daunting task for a nation already ravaged by war.

 

Related News

View more

New Jersey, New York suspending utility shut-offs amid coronavirus pandemic

NY & NJ Utility Shutoff Moratorium suspends power, heat, and water disconnections amid COVID-19, as PSEG, Con Edison, Avangrid, and American Water pledge relief, supporting vulnerable customers with payment plans and health protections.

 

Key Points

A temporary pause on power, heat, and water shutoffs during COVID-19, as major utilities act to protect affected customers.

✅ Applies to power, gas, and water; restores prior shutoffs.

✅ Voluntary utility action; no PSC order required in NY.

✅ Initial moratorium runs through April; payment plans available.

 

New Jersey and New York utilities will keep the power, heat and water on for all customers in response to the coronavirus emergency, both states announced Friday.

Major utilities have agreed to suspend utility shut-offs, a particular concern for people who may be out of work and cannot afford to pay their bills.

“No utility can turn off service … if a person cannot pay their bill as a result of responding to this virus situation,” said New York Gov. Andrew Cuomo during a press conference Friday.

Utilities in New York have voluntarily agreed to this measure, according to the governor’s office, reflecting a broader state moratorium on disconnections during emergencies. No order from the Public Service Commission is expected.

With growing concerns about the economic impacts of a virtual shutdown of businesses and large events to curtail the spread of the novel coronavirus, advocates are increasingly pushing financial relief for families amid pandemic energy insecurity pressures. There’s a campaign in New York to suspend evictions and foreclosures, with growing political support. A similar call has gone out in New Jersey.

As the weather warms, shut-offs of electric and gas service due to nonpayment tend to pick up. If people are quarantined or out of work due to a widespread economic slowdown, some advocates say they shouldn’t have to worry about having the lights or heat turned off, especially as examples of unpaid utility bills straining cities have emerged elsewhere.

“We recognize that customers may experience financial difficulty as a result of the outbreak, whether they or a family member fall ill, are required to quarantine, or because their income is otherwise affected,” said Michael Jennings, a spokesperson for Public Service Enterprise Group — the parent company of Public Service Electric and Gas Company, New Jersey’s largest utility — in a statement.

The company’s policy will be in place at least through the end of April, as will Atlantic City Electric’s, and other utilities such as PG&E's pandemic response included a similar moratorium during the outbreak.

“Curtailing shut-offs is good public policy to make sure New Jersey residents aren’t left in the lurch as they’re dealing with coronavirus,” said Eric Miller, director of the Natural Resources Defense Council’s New Jersey energy policy program. “Not having a safe place to be because you don't have electricity, gas or water doesn’t do anything to help address the coronavirus.”

Water service has also drawn attention. Major cities, including Atlanta and Detroit, have suspended shut-offs to ensure residents have water to wash their hands, while Texas utilities waived fees to support customers as well. Seattle suspended water and electric shutoffs.

American Water, which operates in 16 states and has 650,000 customers in New Jersey and 350,000 in New York, has halted any shutoffs amid the coronavirus pandemic and will also restore service, and similarly Hydro One reconnected customers in Canada to maintain access. New York City does not shut off service for nonpayment, but does issue liens against people’s property.

“Everyone, regardless as to what industry, has to have a heightened responsibility that’s encompassed in compassion and take everything into consideration,” New Jersey state Sen. Teresa Ruiz (D-Essex) told POLITICO. “Now is not the time to be worrying about late payments or bills. We need to get past this, hopefully, to see what we’re facing and then deal with other things.”

PSEG Long Island, a subsidiary of PSEG that handles day-to-day operations for the Long Island Power Authority, was the first New York utility to announce it is also suspending shutoffs before the governor’s announcement. The moratorium will remain in place through the end of April.

Rich Berkley, with the Public Utility Law Project, which advocates for low-income customers in New York, said he’s been in touch with state officials to make sure the issue of utility bills is considered during the pandemic. New York already has requirements for utilities to offer deferred payment agreements before shutting off service, he noted.

“The state has to act to protect the most vulnerable households first,” he said. “To the extent that the state is declaring areas of emergency, this should be part of the remedies the state deploys.”

But he noted that not everyone will have trouble paying their utility bills if they’re under quarantine.

“Given the background of a collapsing stock and equity market, all of which matters to the utilities, and shifts in electricity demand during COVID-19, we have to be careful about blanket moratoriums [on shutoffs] in New York,” Berkley said.

Con Edison, the largest utility in the state serving most of New York City, had already informed the Department of Public Service it will suspend all shut-offs in the one-mile radius New Rochelle containment area, spokesperson Michael Clendenin said on Thursday. The moratorium on shutoffs now includes its entire New York City and Westchester County territory.

Avangrid, which owns New York State Electric & Gas and Rochester Gas & Electric, serving broad swathes of upstate New York, will suspend shut-offs due to unpaid bills for 30 days, spokesperson Michael Jamison said.

 

Related News

View more

Ambitious clean energy target will mean lower electricity prices, modelling says

Australia Clean Energy Target drives renewables in the National Electricity Market, with RepuTex modelling and the Finkel Review showing lower wholesale prices and emissions as gas generators set prices less often under ambitious targets.

 

Key Points

Policy boosting low emissions generation to cut electricity emissions and lower wholesale prices across Australia.

✅ Ambitious targets lower wholesale prices through added generation

✅ RepuTex modelling shows renewables displace costly gas peakers

✅ Finkel Review suggests CET cuts emissions and boosts reliability

 

The more ambitious a clean energy target is, the lower Australian wholesale electricity prices will be, according to new modelling by energy analysis firm RepuTex.

The Finkel review, released last month recommended the government introduce a clean energy target (CET), which it found would cut emissions from the national electricity market and put downward pressure on both wholesale and retail prices, aligning with calls to favor consumers over generators in market design.

The Finkel review only modelled a CET that would cut emissions from the electricity sector by 28% below 2005 levels by 2030. But all available analysis has demonstrated that such a cut would not be enough to meet Australia’s overall emissions reductions made as part of the Paris agreement, which themselves were too weak to help meet the central aim of that agreement – to keep global warming to “well below 2C”.

RepuTex modelled the effect of a CET that cut emissions from the electricity sector by 28% – like that modelled in the Finkel Review – as well as one it said was consistent with 2C of global warming, which would cut emissions from electricity by 45% below 2005 levels by 2030.

It found both scenarios caused wholesale prices to drop significantly compared to doing nothing, despite IEA warnings on falling energy investment that could lead to shortages, with the more ambitious scenario resulting in lower wholesale prices between 2025 and 2030.

In the “business as usual scenario”, RepuTex found wholesale prices would hover roughly around the current price of $100 per MWh.

Under a CET that reduced electricity emissions by 28%, prices would drop to under $40 around 2023, and then rise to nearly $60 by 2030.

The more ambitious CET had a broadly similar effect on wholesale prices. But RepuTex found it would drive prices down a little slower, but then keep them down for longer, stabilising at about $40 to $50 for most of the 2020s.

It found a CET would drive prices down by incentivising more generation into the market. The more ambitious CET would further suppress prices by introducing more renewable energy, resulting in expensive gas generators less often being able to set the price of electricity in the wholesale market, a dynamic seen with UK natural gas price pressures recently.

The downward pressure of a CET on wholesale prices was more dramatic in the RepuTex report than in Finkel’s own modelling. But that was largely because, as Alan Finkel himself acknowledged, the estimates of the costs of renewable energy in the Finkel review modelling were conservative.

Speaking at the National Press Club, Finkel said: “We were conservative in our estimates of wind and large-scale solar generator prices. Indeed, in recent months the prices for wind generation have already come in lower than what we modelled.”

The RepuTex modelling also found the economics of the national electricity market no longer supported traditional baseload generation – such as coal power plants that were unable to respond flexibly to demand, with debates over power market overhauls in Alberta underscoring similar tensions – and so they would not be built without the government distorting the market.

“With a premium placed on flexible generation that can ramp up or down, baseload only generation – irrespective of how clean or dirty it is – is likely to be too inflexible to compete in Australia’s future electricity system,” the report said.

“In this context, renewable energy remains attractive to the market given it is able to deliver energy reliability, with no emissions, at low cost prices, with clean grid and battery trends in Canada informing the shift for policymakers. This affirms that renewables are a lay down misere to out-compete traditionally fossil-fuel sources in Australia for the foreseeable future.”

 

Related News

View more

Independent power project announced by B.C. Hydro now in limbo

Siwash Creek Hydroelectric Project faces downsizing under a BC Hydro power purchase agreement, with run-of-river generation, high grid interconnection costs, First Nations partnership, and surplus electricity from Site C reshaping clean energy procurement.

 

Key Points

A downsized run-of-river plant in BC, co-owned by Kanaka Bar and Green Valley, selling power via a BC Hydro PPA.

✅ Approved at 500 kW under a BC Hydro clean-energy program

✅ Grid interconnection initially quoted at $2.1M

✅ Joint venture: Kanaka Bar and Green Valley Power

 

A small run-of-river hydroelectric project recently selected by B.C. Hydro for a power purchase agreement may no longer be financially viable.

The Siwash Creek project was originally conceived as a two-megawatt power plant by the original proponent Chad Peterson, who holds a 50-per-cent stake through Green Valley Power, with the Kanaka Bar Indian Band holding the other half.

The partners were asked by B.C. Hydro to trim the capacity back to one megawatt, but by the time the Crown corporation announced its approval, it agreed to only half that — 500 kilowatts — under its Standing Order clean-energy program.

“Hydro wanted to charge us $2.1 million to connect to the grid, but then they said they could reduce it if we took a little trim on the project,” said Kanaka Bar Chief Patrick Michell.

The revenue stream for the band and Green Valley Power has been halved to about $250,000 a year. The original cost of running the $3.7-million plant, including financing, was projected to be $273,000 a year, according to the Kanaka Bar economic development plan.

“By our initial forecast, we will have to subsidize the loan for 20 years,” said Michell. “It doesn’t make any sense.”

The Kanaka Band has already invested $450,000 in feasibility, hydrology and engineering studies, with a similar investment from Green Valley.

B.C. Hydro announced it would pursue five purchase agreements last March with five First Nations projects — including Siwash Creek — including hydro, solar and wind energy projects, as two new generating stations were being commissioned at the time. A purchase agreement allows proponents to sell electricity to B.C. Hydro at a set price.

However, at least ten other “shovel-ready” clean energy projects may be doomed while B.C. Hydro completes a review of its own operations and its place in the energy sector, where legal outcomes like the Squamish power project ruling add uncertainty, including B.C.’s future power needs.

With the 1,100-megawatt Site C Dam planned for completion in 2024, and LNG demand cited to justify it, B.C. Hydro now projects it will have a surplus of electricity until the early 2030s.

Even if British Columbians put 300,000 electric vehicles on the road over the next 12 years, amid BC Hydro’s first call for power, they will require only 300 megawatts of new capacity, the company said.

A long-term surplus could effectively halt all small-scale clean energy development, according to Clean Energy B.C., even as Hydro One’s U.S. coal plant remains online in the region.

“(B.C. Hydro) dropped their offer down to 500 kilowatts right around the time they announced their review,” said Michell. “So we filled out the paperwork at 500 kilowatts and (B.C. Hydro) got to make its announcement of five projects.”

In the new few weeks, Kanaka and Green Valley will discuss whether they can move forward with a new financial model or shelve the project, he said.

B.C. Hydro declined to comment on the rationale for downsizing Siwash Creek’s power purchase agreement.

The Kanaka Bar Band successfully operates a 49.9-megawatt run-of-river plant on Kwoiek Creek with partners Innergex Renewable Energy.

 

Related News

View more

Sign Up for Electricity Forum’s Newsletter

Stay informed with our FREE Newsletter — get the latest news, breakthrough technologies, and expert insights, delivered straight to your inbox.

Electricity Today T&D Magazine Subscribe for FREE

Stay informed with the latest T&D policies and technologies.
  • Timely insights from industry experts
  • Practical solutions T&D engineers
  • Free access to every issue

Download the 2025 Electrical Training Catalog

Explore 50+ live, expert-led electrical training courses –

  • Interactive
  • Flexible
  • CEU-cerified