Lowering the “doom”

By John Allemang, Globe and Mail


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Changing our climate for the worse? That's the easy part. But changing human minds and behaviour — that turns out to be much, much harder.

No matter how much confidence scientists have in the truth of their global warnings, getting the message out to the folks who are actually wrecking the planet has proved to be a far more challenging proposition. Cars still jam the streets, energy consumption increases, polluters sow doubt and denial and, as the Copenhagen summit on climate change nears, politicians still prevaricate as if there were an endless succession of tomorrows.

While there may well be an apocalypse looming on the far horizon, dire prophecies just don't cut it in the here-and-now of consumer culture. So forget the grim 100-year predictions for a second. The crisis at this very moment seems more like a crisis of communication.

Even the chair of the David Suzuki Foundation, James Hoggan, agrees: "Whether it's the scientific community, environmental groups, politicians, the media or business leaders, we haven't done a great job of conveying accurate scientific information to the public on the risks of climate change — or, indeed, of even conveying what climate change is."

Over the decades the climate-change war has been waged, many tactics used to soften up the masses have been unproductive at best and downright discouraging at worst. Even if you believe doomsday is coming, is it really such a good idea to talk it up and wallow in the death and destruction that will result if we don't change our awful ways and acknowledge Al Gore's inconvenient truth?

Such pessimistic predictions may have seemed effective as a way of winning attention (and the Nobel). But if the goal is to motivate people to useful action, say those who are experienced in environmental communication, it calls for something new.

"People have a finite capacity for worry," says Mr. Hoggan, the author of Do the Right Thing: PR Tips for a Skeptical Public . "When you overwhelm people with catastrophe, you don't actually engage them — you just produce an emotional numbness."

That's an intellectual evolution that Mr. Suzuki himself has gone through. His widely viewed TV series The Nature of Things once tended to depict nature as a beautiful pristine thing that bad humans habitually destroyed. Even now, his enemies feel able to undermine his mainstream scientific views by dismissing him as a merchant of doom.

Yet the current incarnation of Mr. Suzuki, in keeping with his foundation's communication techniques, has shifted from the dependable jeremiads of old to a message of everyday hope and more immediate usefulness. Last year, he co-wrote David Suzuki's Green Guide, a book that comes to grips with climate change through small-scale lifestyle adjustments such as biodegradable carpeting and energy-efficient appliances.

"I believe that one has to keep warning [that] the signs are there, the science is in," Mr. Suzuki said when the book came out. "But I realized years ago that you can get people to respond to fear, but you can't sustain it, because it's too soul-destroying."

So what will people respond to when fear doesn't do it? Mark van Vugt is a psychologist who teaches at VU University Amsterdam, and he's part of an emerging group of cognitive scientists studying the sometimes uneasy relationship between climate-change messaging and the workings of the brain.

He says the announcements to be made by global leaders in Copenhagen are of much less consequence than the decisions that are being shaped in the complex minds of ordinary human beings.

"It's very hard to look at a climate-change conference as a primary driver of individual behaviour," Dr. van Vugt says. "Copenhagen is about political solutions, but the environmental issues remain inherently uncertain for most people. So what we have to do is translate these issues into something meaningful at the individual level."

Acquiring information is the basic way the brain deals with uncertainty, and with a subject as complex and contested as long-term climate change, Dr. van Vugt believes the best approach is to localize the discussion: Make it less about far-off glaciers, because people find it hard to cope with a problem they can't easily influence, and more about local parks, forests or air quality.

Any kind of message for change, he believes, must focus on personal identity and our need to belong: "We're influenced by significant others and want to look good to our neighbours and friends."

So a good way to persuade people to reduce electrical consumption is to let them compare their rates with the rest of the community: Have utility bills award a smiley face to those whose consumption is lower than their neighbours and a frowning face to those who are profligate. People then will reduce without any other external motivator, Dr. van Vugt says.

But good behaviour at the individual level won't last if institutional behaviour is untrustworthy — environmental groups must not overstate a threat; scientists can't be seen to adjust data, even in a good cause (as researchers from the International Panel on Climate Change were recently accused of doing); businesses must not act as though they're a law onto themselves; and governments can't preach one thing and then do another.

"Suppose it turns out that the recyclables and organics we've been sorting and separating are just being tossed into one big garbage heap — well, that's a recipe for disaster," Dr. van Vugt says. "You've created goodwill only to destroy it."

While environmentally friendly behaviours are often presented as something altruistic and selfless, he suggests that incentives are key to any successful strategy. "Our primary motivation is to get ahead of others, to see ourselves rewarded for good behaviour while bad behaviour gets punished." So it doesn't hurt to awaken some of this potential goodness by, say, offering a free bus pass for those prepared to be wooed to public transit.

At the same time, it's useful to make green products more luxurious rather than crafting an image of asceticism and self-conscious suffering. "A nice, well-made mountain bike can cost as much as a car and may become a status symbol for just that reason," Dr. van Vugt says. This is what psychologists refer to as signaling potential: Look at me, I'm green and rich and sexy.

Orthodox environmentalists may shudder at the thought, and question the ability of sexy status symbols to stop the seas from rising. Yet the attractiveness of self-denial has proved to be a hard sell to those used to the comforts of our present wastefulness.

"The evidence so far is profoundly against the notion of sacrifice as a success strategy," designer Bruce Mau says. "We've been saying for decades, 'Get out of your cars,' but in not one of those years have there been fewer cars."

For Mr. Mau, solving the problems of climate starts with smart design — carpeting with its own 1-800 number that you call when it needs recycling, a Tesla electric car that looks more beautiful than a Ferrari, and buses that come with cup holders so you don't feel like you're downgrading quite so much from your car.

"If you describe a sustainable future in negative terms," he says, "and if you highlight what it's going to cost them, people aren't going to move there. Doom-and-gloom is a dead end."

The beauty of sustainability has an undeniable appeal. But between the aesthetics and the ascetics of climate change, there's still a lot of room to manoeuvre. A considerable amount of public goodwill was arguably wasted by the campaign to switch from incandescent bulbs to stylish compact fluorescents, a relatively low-impact improvement.

Those who listened attentively to the noisy messaging that promoted the switch to the compact fluorescents may well feel like their effort was wasted — and their commitment could be harder to summon for a more significant shift, such as reducing beef consumption by half. Politicians, after all, fear beef-industry interests, while the incandescent-bulb lobby is relatively powerless.

As the director of the Center for Climate Change Communication at George Mason University in Virginia, Edward Maibach has studied the diverse effects of environmental messaging. He is convinced that changing human behaviour isn't as challenging as many people — certainly many politicians — now believe.

He can tell you from his polling data that when people are asked about changing their behaviour and reducing energy use in response to climate change, 40 per cent of those surveyed report it had no negative impact on their lives — and 30 per cent actually say it improved their quality of life.

From this, he concludes that "there's a collectivist spirit out there that's waiting to be reactivated. People are waiting to be asked to sacrifice. By and large, politicians are fearful about doing the right thing about greenhouses gases because they think they'll be thrown out of office. Yet we've shown that for every one person who'll get upset if you reduce emissions, two and a half will stand up and applaud."

Political leaders who resist the gospel of self-sacrifice like to talk instead about lucrative opportunities — all those Obama-esque "green jobs" to be found in building solar panels and wind farms, retrofitting drafty houses and remaking cities for public transit while (bonus points here) ending dependence on foreign oil.

They don't bother pointing out that our democracy-driven tentativeness has allowed a more decisive China to begin setting itself up as the leading producer of wind energy, solar-panel equipment and electric vehicles.

While waiting for our politicians to see the light, Dr. Maibach encourages citizens to take actions that make green behaviour appear to be the rule, not the exception. Individuals will give up in despair if they think they're engaged in a thankless task of changing the world on their own.

Hope and optimism come from a public display of commitment — Dr. Maibach cites simple school-based programs where parents ask fellow parents not to idle their cars while waiting for their children, explain the reasoning behind their request and perhaps offer a stick-on decal to those who will take the non-idling pledge.

He says the public pledge by itself makes it three times more likely that potential do-gooders will follow through on their good intentions. And from creating that kind of group effect, it then becomes easier to change public policy. "Once you can develop this behaviour and show it to be the social norm, it enables politicians to change the laws more easily."

That is certainly a tactic the David Suzuki Foundation is turning to in its messaging, especially as the Stephen Harper government has shied away from a commitment to environmentalists' cause. The foundation aims to work with government in a non-partisan way, and yet Mr. Hoggan says that when he goes to Copenhagen, "I'm going to tell the media exactly what I think about our government's failure on climate change."

Though the Prime Minister purports to speak for Canada, polls show that a majority of Canadians want stronger action from the government, and this allows groups such as the David Suzuki Foundation to appropriate the Team Canada brand — drawing attention to the negative international response Canada's policies generate internationally (Canadians hate being seen as bad guys) while featuring concerned athletes on the Suzuki website who will challenge Conservative climate policies from an educated-jock perspective (global warming means cancelled ski races).

And thus the Canadian environmental movement, far from being marginal or radical, is seen at its most patriotic and mainstream.

All these feel-good tactics may be useful in garnering more widespread support. But will they genuinely be effective in combating climate change?

The Young Greens of the Green Party don't seem to think so. They recently mounted a more outraged and outrageous 1960s-style campaign, with the support of Green Party Leader Elizabeth May, that used the attention-getting slogan, "Your parents f*cked up the planet — it's time to do something about it. Live green, vote Green."

So it's not all happy faces out there. David McKnight, a journalism professor at the University of New South Wales, criticizes environmentalists for being "a rather elite movement, aimed at symbolic actions to attract media attention and at lobbying government."

He believes (and many in the environmental movement would agree) that the most effective messaging will come from a broader-based movement, similar to the anti-war campaign of the 1960s, that puts hundreds of thousands of people on the streets.

Milan Ilnyckyj, an Ottawa-based blogger on environmental issues, argues that there should be a greater focus on the issue of morality, which is to say immorality.

"If we can accept that climate change causes harm to current and future generations," he writes, "the argument that polluters have some right to keep behaving as they have in the past weakens considerably."

Echoing that thought, William Rees of the University of British Columbia's School of Community and Regional Planning suggests that the international community should develop ways to prosecute governments for criminal negligence on environmental issues.

Still, even this approach presupposes that science and politics in the end can speak the same language. And that's an assumption that doesn't sit well with Kevin DeLuca, a professor of communications at the University of Utah.

"The raison d'être of science is doubt," he says. "But doubt is fatal in politics." Doubt opens the doors for debate about climate change, and endless debate prolongs inaction indefinitely.

Environmentalists look for ways to appeal to a mass audience, and come up with an upbeat message about satisfying self-interest and feeling good. "And so you end up with a spirit-of-the-apocalypse message veiled in a 'don't worry, be happy' conclusion," Prof. DeLuca notes.

He has no confidence in such a contrivance and, unlike most environmentalists, he says he can't put on a happy face even if strategy seems to demand it.

"The problem with the happy-face message is that the future isn't going to be happy. The Earth can get along without people - people can't get along without the Earth."

But that's a message no one wants to hear.

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More Polar Vortex 2021 Fallout (and Texas Two-Step): Monitor For ERCOT Identifies Improper Payments For Ancillary Services

ERCOT Ancillary Services Clawback and VOLL Pricing summarize PUCT and IMM actions on load shed, real-time pricing adders, clawbacks, and settlement corrections after the 2021 winter storm in the Texas power grid market.

 

Key Points

Policies addressing clawbacks for unprovided AS and correcting VOLL-based price adders after load shed ended in ERCOT.

✅ PUCT ordered clawbacks for ancillary services not delivered.

✅ IMM urged price correction after firm load shed ceased.

✅ ERCOT's VOLL adder raised costs by $16B during 32 hours.

 

Potomac Economics, the Independent Market Monitor (IMM) for the Electric Reliability Council of Texas (ERCOT), filed a report with the Public Utility Commission of Texas (PUCT) that certain payments were made by ERCOT for Ancillary Services (AS) that were not provided, even as ERCOT later issued a winter reliability RFP to procure capacity during subsequent seasons.

According to the IMM (emphasis added):

There were a number of instances during the operating days outlined above in which AS was not provided in real time because of forced outages or derations. For market participants that are not able to meet their AS responsibility, typically the ERCOT operator marks the short amount in the software. This causes the AS responsibility to be effectively removed and the day-ahead AS payment to be clawed back in settlement. However, the ERCOT operators did not complete this task during the winter event, echoing issues like the Ontario IESO phantom demand that cost customers millions, and therefore the "failure to provide" settlements were not invoked in real time.

Removing the operator intervention step and automating the "failure to provide" settlement was contemplated in NPRR947: Clarification to Ancillary Service Supply Responsibility Definition and Improvements to Determining and Charging for Ancillary Service Failed Quantities; however, the NPRR was withdrawn in August 2020 amid ongoing market reform discussions because of the system cost, some complexities related to AS trades, and the implementation of real-time co-optimization.

Invoking the "failure to provide" settlement for all AS that market participants failed to provide during the operating days outlined above will produce market outcomes and settlements consistent with underlying market principles. In this case, the principle is that market participants should not be paid for services that they do not provide, even as a separate ruling found power plants exempt from providing electricity in emergencies under Texas law, underscoring the distinction between obligations and settlements. Whether ERCOT marked the short amount in real-time or not should not affect the settlement of these ancillary services.

On March 3, 2021, the PUCT ordered (a related press release is here) that:

ERCOT shall claw back all payments for ancillary service that were made to an entity that did not provide its required ancillary service during real time on ERCOT operating days starting February 14, 2021 and ending on February 19,2021.

On March 4, 2021, the IMM filed another report and recommended that:

the [PUCT] direct ERCOT to correct the real-time prices from 0:00 February 18,2021, to 09:00 February 19, 2021, to remove the inappropriate pricing intervention that occurred during that time period.

The IMM approvingly noted the PUCT's February 15, 2021 order, which mandated that real-time energy prices reflect firm load shed by setting prices at the value of lost load (VOLL).1

According to the IMM (emphasis added):

This is essential in an energy-only market, like ERCOT's, where the Texas power grid faces recurring crisis risks, because it provides efficient economic signals to increase the electric generation needed to restore the load and service it reliably over the long term.

Conversely, it is equally important that prices not reflect VOLL when the system is not in shortage and load is being served, and experiences in capacity markets show auction payouts can fall sharply under different conditions. The Commission recognized this principle in its Order, expressly stating it is only ERCOT's out-of-market shedding firm load that is required to be reflected in prices. Unfortunately, ERCOT exceeded the mandate of the Commission by continuing to set process at VOLL long after it ceased the firm load shed.

ERCOT recalled the last of the firm load shed instructions at 23:55 on February 17, 2021. Therefore, in order to comply with the Commission Order, the pricing intervention that raised prices to VOLL should have ended immediately at that time. However, ERCOT continued to hold prices at VOLL by inflating the Real-Time On-Line Reliability Deployment Price Adder for an additional 32 hours through the morning of February 19. This decision resulted in $16 billion in additional costs to ERCOT's market, prompting legislative bailout proposals in Austin, of which roughly $1.5 billion was uplifted to load-serving entities to provide make-whole payments to generators for energy that was not needed or produced.

However, at its March 5, 2021, open meeting (related discussion begins around minute 20), although the PUCT acknowledged the "good points" raised by the IMM, the PUCT was not willing to retrospectively adjust its real-time pricing for this period out of concerns that some related transactions (ICE futures and others) may have already settled and for unintended consequences of such retroactive adjustments.  

 

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How Energy Use Has Evolved Throughout U.S. History

U.S. Energy Transition traces the shift from coal and oil to natural gas, nuclear power, and renewables like wind and solar, driven by efficiency, grid modernization, climate goals, and economic innovation.

 

Key Points

The U.S. Energy Transition is the shift from fossil fuels to cleaner power, driven by tech, policy, and markets.

✅ Shift from coal and oil to gas, nuclear, wind, and solar

✅ Enabled by grid modernization, storage, and efficiency

✅ Aims to cut emissions while ensuring reliability and affordability

 

The evolution of energy use in the United States is a dynamic narrative that reflects technological advancements, economic shifts, environmental awareness, and societal changes over time. From the nation's early reliance on wood and coal to the modern era dominated by oil, natural gas, and renewable sources, the story of energy consumption in the U.S. is a testament to innovation and adaptation.

Early Energy Sources: Wood and Coal

In the early days of U.S. history, energy needs were primarily met through renewable resources such as wood for heating and cooking. As industrialization took hold in the 19th century, coal emerged as a dominant energy source, fueling steam engines and powering factories, railways, and urban growth. The widespread availability of coal spurred economic development and shaped the nation's infrastructure.

The Rise of Petroleum and Natural Gas

The discovery and commercialization of petroleum in the late 19th century transformed the energy landscape once again. Oil quickly became a cornerstone of the U.S. economy, powering transportation, industry, and residential heating, and informing debates about U.S. energy security in policy circles. Concurrently, natural gas emerged as a significant energy source, particularly for heating and electricity generation, as pipelines expanded across the country.

Electricity Revolution

The 20th century witnessed a revolution in electricity generation and consumption, and understanding where electricity comes from helps contextualize how systems evolved. The development of hydroelectric power, spurred by projects like the Hoover Dam and Tennessee Valley Authority, provided clean and renewable energy to millions of Americans. The widespread electrification of rural areas and the proliferation of appliances in homes and businesses transformed daily life and spurred economic growth.

Nuclear Power and Energy Diversification

In the mid-20th century, nuclear power emerged as a promising alternative to fossil fuels, promising abundant energy with minimal greenhouse gas emissions. Despite concerns about safety and waste disposal, nuclear power plants became a significant part of the U.S. energy mix, providing a stable base load of electricity, even as the aging U.S. power grid complicates integration of variable renewables.

Renewable Energy Revolution

In recent decades, the U.S. has seen a growing emphasis on renewable energy sources such as wind, solar, and geothermal power, yet market shocks and high fuel prices alone have not guaranteed a rapid green revolution, prompting broader policy and investment responses. Advances in technology, declining costs, and environmental concerns have driven investments in clean energy infrastructure and policies promoting renewable energy adoption. States like California and Texas lead the nation in wind and solar energy production, demonstrating the feasibility and benefits of transitioning to sustainable energy sources.

Energy Efficiency and Conservation

Alongside shifts in energy sources, improvements in energy efficiency and conservation have played a crucial role in reducing per capita energy consumption and greenhouse gas emissions. Energy-efficient appliances, building codes, and transportation innovations have helped mitigate the environmental impact of energy use while reducing costs for consumers and businesses, and weather and economic factors also influence demand; for example, U.S. power demand fell in 2023 on milder weather, underscoring the interplay between efficiency and usage.

Challenges and Opportunities

Looking ahead, the U.S. faces both challenges and opportunities in its energy future, as recent energy crisis effects ripple across electricity, gas, and EVs alike. Addressing climate change requires further investments in renewable energy, grid modernization, and energy storage technologies. Balancing energy security, affordability, and environmental sustainability remains a complex task that requires collaboration between government, industry, and society.

Conclusion

The evolution of energy use throughout U.S. history reflects a continuous quest for innovation, economic growth, and environmental stewardship. From wood and coal to nuclear power and renewables, each era has brought new challenges and opportunities in meeting the nation's energy needs. As the U.S. transitions towards a cleaner and more sustainable energy future, leveraging technological advancements and embracing policy solutions, amid debates over U.S. energy dominance, will be essential in shaping the next chapter of America's energy story.

 

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Duke Energy seeks changes in how solar owners are paid for electricity

Duke Energy Net Metering Proposal updates rooftop solar compensation with time-of-use rates, lower grid credits, and a minimum charge, aligning payments with electricity demand in North Carolina pending regulators' approval.

 

Key Points

A plan to swap flat credits for time-of-use rates and a minimum charge for rooftop solar customers in North Carolina.

✅ Time-of-use credits vary by grid demand

✅ $10 minimum use charge plus $14 basic fee

✅ Aims to align solar payouts with actual electricity value

 

Duke Energy has proposed new rules for how owners of rooftop solar panels are paid for electricity they send to the electric grid. It could mean more complexity and lower payments, but the utility says rates would be fairer.

State legislators have called for changes in the payment rules — known as "net metering" policies that allow households to sell power back to energy firms.

Right now, solar panel owners who produce more electricity than they need get credits on their bills, equal to whatever they pay for electricity. Under the proposed changes, the credit would be lower and would vary according to electricity demand, said Duke spokesperson Randy Wheeless.

"So in a cold winter morning, like now, you would get more, but maybe in a mild spring day, you would get less," Wheeless said Tuesday. "So, it better reflects what the price of electricity is."

Besides setting rates by time of use, solar owners also would have to pay a minimum of $10 a month for electricity, even if they don't use any from the grid. That's on top of Duke's $14 basic charge. Duke said it needs the extra revenue to pay for grid infrastructure to serve solar customers.

The proposal is the result of an agreement between Duke and solar industry groups — the North Carolina Sustainable Energy Association; the Southern Environmental Law Center, which represented Vote Solar and the Southern Alliance for Clean Energy; solar panel maker Sunrun Inc.; and the Solar Energy Industries Association.

The deal is similar to one approved by regulators in South Carolina last year, while in Nova Scotia a solar charge was delayed after controversy.

Daniel Brookshire of the North Carolina Sustainable Energy Association said he hopes the agreement will help the solar industry.

"We reached an agreement here that we think will provide certainty over the next decade, at least, for those interested in pursuing solar for their homes, and for our members who are solar installers," Brookshire said.

But other environmental and consumer groups oppose the changes, amid debates over who pays for grid upgrades elsewhere. Jim Warren with NC WARN said the rules would slow the expansion of rooftop solar in North Carolina.

"It would make it even harder for ordinary people to go solar," Warren said. "This would make it more complicated and more expensive, even for wealthier homeowners."

State regulators still must approve the proposal, even as courts weigh aspects of the electricity monopoly in related solar cases. If state regulators approve it, rates for new net metering customers would take effect Jan. 1, 2023.

 

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Solar changing shape of electricity prices in Northern Europe

EU Solar Impact on Electricity Prices highlights how rising solar PV penetration drives negative pricing, shifts peak hours, pressures wholesale markets, and challenges grid balancing, interconnection, and flexibility amid changing demand and renewables growth.

 

Key Points

Explains how rising solar PV cuts wholesale prices, shifts negative-price hours, and strains grid flexibility.

✅ Negative pricing events surge with higher solar penetration.

✅ Afternoon price dips replace night-time wind-led lows.

✅ Grid balancing, interconnectors, and flexibility become critical.

 

The latest EU electricity market report has confirmed the affect deeper penetration of solar is having on wholesale electricity prices more broadly.

The Quarterly Report on European Electricity Markets for the final three months of last year noted the number of periods of negative electricity pricing doubled from 2019, to almost 1,600 such events, as global renewables set new records in deployment across markets.

Having experienced just three negative price events in 2019, the Netherlands recorded almost 100 last year “amid a dramatic increase in solar PV capacity,” in the nation, according to the report.

Whilst stressing the exceptional nature of the Covid-19 pandemic on power consumption patterns, the quarterly update also noted a shift in the hours during which negative electric pricing occurred in renewables poster child Germany. Previously such events were most common at night, during periods of high wind speed and low demand, but 2020 saw a switch to afternoon negative pricing. “Thus,” stated the report, “solar PV became the main driver behind prices falling into negative territory in the German market in 2020, as Germany's solar boost accelerated, and also put afternoon prices under pressure generally.”

The report also highlighted two instances of scarce electricity–in mid September and on December 9–as evidence of the problems associated with accommodating a rising proportion of intermittent clean energy capacity into the grid, and called for more joined-up cross-border power networks, amid pushback from Russian oil and gas across the continent.

Rising solar generation–along with higher gas output, year on year–also helped the Netherlands generate a net surplus of electricity last year, after being a net importer “for many years.” The EU report also noted a beneficial effect of rising solar generation capacity on Hungary‘s national electricity account, and cited a solar “boom” in that country and Poland, mirroring rapid solar PV growth in China in recent years.

With Covid-19 falls in demand helping renewables generate more of Europe's electricity (39%) than fossil fuels (36%) for the first time, as renewables surpassed fossil fuels across Europe, the market report observed the 5% of the bloc's power produced from solar closed in on the 6% accounted for by hard coal. In the final three months of the year, European solar output rose 12%, year on year, to 18 TWh and “the increase was almost single-handedly driven by Spain,” the study added.

With coal and lignite-fired power plunging 22% last year across the bloc, it is estimated the European power sector reduced its carbon footprint 14% as part of Europe's green surge although the quarterly report warned cold weather, lower wind speeds and rising gas prices in the opening months of this year are likely to see carbon emissions rebound.

There was good news on the transport front, though, with the report stating the scale of the European “electrically-charged vehicle” fleet doubled in 2020, to 2 million, with almost half a million of the new registrations arriving in the final months of the year. That meant cars with plug sockets accounted for a remarkable 17% of new purchases in Q4, twice the proportion seen in China and a slice of the pie six times bigger than such products claimed in the U.S.

 

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Only one in 10 utility firms prioritise renewable electricity – global study

Utility Renewable Investment Gap highlights Oxford study in Nature Energy: most electric utilities favor fossil fuels over clean energy transition, expanding coal and gas, risking stranded assets and missing climate targets despite global decarbonization commitments.

 

Key Points

Most utilities grow fossil capacity over renewables, slowing decarbonization and jeopardizing climate goals.

✅ Only 10% expand renewables faster than coal and gas growth

✅ 60% still add fossil plants; 15% actively cut coal and gas

✅ Risks: stranded assets, missed climate targets, policy backlash

 

Only one in 10 of the world’s electric utility companies are prioritising clean energy investment over growing their capacity of fossil fuel power plants, according to research from the University of Oxford.

The study of more than 3,000 utilities found most remain heavily invested in fossil fuels despite international efforts to reduce greenhouse gas emissions and barriers to 100% renewables in the US that persist, and some are actively expanding their portfolio of polluting power plants.

The majority of the utility companies, many of which are state owned, have made little change to their generation portfolio in recent years.

Only 10% of the companies in the study, published in the research journal Nature Energy, are expanding their renewable energy capacity, mirroring global wind and solar growth patterns, at a faster rate than their gas- or coal-fired capacity.

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Of the companies prioritising renewable energy growth, 60% have not stopped concurrently expanding their fossil fuel portfolio and only 15% of these companies are actively reducing their gas and coal capacity.

Galina Alova, the author of the report, said the research highlighted “a worrying gap between what is needed” to tackle the climate crisis, with calls for a fossil fuel lockdown gaining attention, and “what actions are being taken by the utility sector”.

The report found 10% of utilities were favouring growth in gas-fired power plants. This cluster is dominated by US utilities, even as renewables surpass coal in US generation in the broader market, eager to take advantage of the country’s shale gas reserves, followed by Russia and Germany.

Only 2% of utilities are actively growing their coal-fired power capacity ahead of renewables or gas. This cluster is dominated by Chinese utilities – which alone contributed more than 60% of coal-focused companies – followed by India and Vietnam.

The report found the majority of companies prioritising renewable energy were clustered in Europe. Many of the industry’s biggest players are investing in low-carbon energy and green technologies, even as clean energy's dirty secret prompts debate, to replace their ageing fossil fuel power plants.


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In the UK, amid UK renewables backlog that has stalled billions, coal plants are shutting at pace ahead of the government’s 2025 ban on coal-fired power in part because the UK’s domestic carbon tax on power plants make them uneconomic to run.

“Although there have been a few high-profile examples of individual electric utilities investing in renewables, this study shows that overall, the sector is making the transition to clean energy slowly or not at all,” Alova said.

“Utilities’ continued investment in fossil fuels leaves them at risk of stranded assets – where power plants will need to be retired early – and undermines global efforts to tackle climate change.”
 

 

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Cheap material converts heat to electricity

Polycrystalline Tin Selenide Thermoelectrics enable waste heat recovery with ZT 3.1, matching single crystals while cutting costs, powering greener car engines, industrial furnaces, and thermoelectric generators via p-type and emerging n-type designs.

 

Key Points

Low-cost tin selenide devices that turn waste heat into power, achieving ZT 3.1 and enabling p-type and n-type modules.

✅ Oxygen removal prevents heat-leaking tin oxide grain skins.

✅ Polycrystalline ingots match single-crystal ZT 3.1 at lower cost.

✅ N-type tin selenide in development to pair with p-type.

 

So-called thermoelectric generators turn waste heat into electricity without producing greenhouse gas emissions, providing what seems like a free lunch. But despite helping power the Mars rovers, the high cost of these devices has prevented their widespread use. Now, researchers have found a way to make cheap thermoelectrics that work just as well as the pricey kind. The work could pave the way for a new generation of greener car engines, industrial furnaces, and other energy-generating devices.

“This looks like a very smart way to realize high performance,” says Li-Dong Zhao, a materials scientist at Beihang University who was not involved with the work. He notes there are still a few more steps to take before these materials can become high-performing thermoelectric generators. However, he says, “I think this will be used in the not too far future.”

Thermoelectrics are semiconductor devices placed on a hot surface, like a gas-powered car engine or on heat-generating electronics using thin-film converters to capture waste heat. That gives them a hot side and a cool side, away from the hot surface. They work by using the heat to push electrical charges from one to the other, a process of turning thermal energy into electricity that depends on the temperature gradient. If a device allows the hot side to warm up the cool side, the electricity stops flowing. A device’s success at preventing this, as well as its ability to conduct electrons, feeds into a score known as the figure of merit, or ZT.

 Over the past 2 decades, researchers have produced thermoelectric materials with increasing ZTs, while related advances such as nighttime solar cells have broadened thermal-to-electric concepts. The record came in 2014 when Mercouri Kanatzidis, a materials scientist at Northwestern University, and his colleagues came up with a single crystal of tin selenide with a ZT of 3.1. Yet the material was difficult to make and too fragile to work with. “For practical applications, it’s a non-starter,” Kanatzidis says.

So, his team decided to make its thermoelectrics from readily available tin and selenium powders, an approach that, once processed, makes grains of polycrystalline tin selenide instead of the single crystals. The polycrystalline grains are cheap and can be heated and compressed into ingots that are 3 to 5 centimeters long, which can be made into devices. The polycrystalline ingots are also more robust, and Kanatzidis expected the boundaries between the individual grains to slow the passage of heat. But when his team tested the polycrystalline materials, the thermal conductivity shot up, dropping their ZT scores as low as 1.2.

In 2016, the Northwestern team discovered the source of the problem: an ultrathin skin of tin oxide was forming around individual grains of polycrystalline tin selenide before they were pressed into ingots. And that skin acted as an express lane for the heat to travel from grain to grain through the material. So, in their current study, Kanatzidis and his colleagues came up with a way to use heat to drive any oxygen away from the powdery precursors, leaving pristine polycrystalline tin selenide, whereas other devices can generate electricity from thin air using ambient moisture.

The result, which they report today in Nature Materials, was not only a thermal conductivity below that of single-crystal tin selenide but also a ZT of 3.1, a development that echoes nighttime renewable devices showing electricity from cold conditions. “This opens the door for new devices to be built from polycrystalline tin selenide pellets and their applications to be explored,” Kanatzidis says.

Getting through that door will still take some time. The polycrystalline tin selenide the team makes is spiked with sodium atoms, creating what is known as a “p-type” material that conducts positive charges. To make working devices, researchers also need an “n-type” version to conduct negative charges.

Zhao’s team recently reported making an n-type single-crystal tin selenide by spiking it with bromine atoms. And Kanatzidis says his team is now working on making an n-type polycrystalline version. Once n-type and p-type tin selenide devices are paired, researchers should have a clear path to making a new generation of ultra-efficient thermoelectric generators. Those could be installed everywhere from automobile exhaust pipes to water heaters and industrial furnaces to scavenge energy from some of the 65% of fossil fuel energy that winds up as waste heat. 

 

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