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Reality check: Global emissions from coal plants

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A man walks towards a ferry as the Wujing coal-electricity power station is seen across the Huangpu River in the Minhang district of Shanghai. Getty Images photo

From the Canadian Energy Centre

By Ven Venkatachalam

Coal remains the primary fuel for global electricity generation, particularly in Asian countries

High energy prices, inflation, war, and the ongoing economic recovery from the pandemic has highlighted the general worldwide demand for electricity, particularly in Asia and Europe. The growing demand for electricity on these two continents has led some electricity producing plants to rely increasingly heavily on coal as a power source.

The electricity sector accounts for 34 per cent of the world’s energy-related carbon dioxide (CO2) emissions. In this Fact Sheet, we detail recent trends in electricity production and demand across the globe as well as CO2 emissions from the electricity sector worldwide.

Carbon dioxide emissions from the world’s top ten emitters between 2000 and 2022

A total of 38.2 gigatonnes (Gt) of energy-related CO2 was emitted globally in 2022, an increase of 53 per cent from 2000. However, the increase is not consistent for all countries; between 2000 and 2023, CO2 emissions trends diverged. Emissions from China, India, and Indonesia more than doubled in the last two decades, whereas emissions for other countries remained relatively consistent or even declined.

In 2022, Canada’s total energy-related CO2 emissions were 0.62 Gt, or 1.6 per cent of the global total. That compares to emissions of 0.64 Gt in South Korea, 1.09 Gt in Japan, 2.8 Gt in India, 5.0 Gt in the United States, and 13.0 Gt in China (see Figure 1).

Sources: IEA World Energy Statistics database and Enerdata

Demand for electricity and sources of emissions

Global domestic electricity consumption increased from 13,188 terawatt-hours (TWh) in 2000 to 25,681 TWh in 2022 and estimates are that global demand for electricity will rise to 35,000 TWh by 2040.¹

That is a jump of 94 per cent, or 12,492 TWh, between 2000 and 2022. During the same period, electricity consumption in Asia rose a whopping 280 per cent. In Africa the demand for electricity increased by 90 per cent (see Figure 2). Coal remains the world’s largest source of fuel for electricity generation, with approximately 10,317 terawatt-hours of electricity generated by coal-fired plants in 2022 (see Figure 3).


1. The IEA’s Electricity Market Report 2022 states that nearly all of the increase is attributable to growing electricity consumption in developing countries across southeast Asia and Africa.
Sources: IEA World Energy Statistics database and Enerdata

 

Sources: IEA World Energy Statistics database and Enerdata

In recent years, electricity generated from the combustion of coal declined in Canada, the United States, Europe, and Africa. However, electricity generated from coal combustion has continued to grow in China, India, and other parts of Asia.

Between 2000 and 2022, the share of coal-powered electricity generation in Asia increased from 49.8 to 56. 3 per cent, while in Canada it decreased from 19.4 per cent to less than 5 per cent.

Sources: IEA World Energy Statistics database and Enerdata

Source of emissions in the electricity sector

The electricity sector accounts for 34 per cent of the carbon dioxide emitted across the world. The sector emitted 13.05 gigatonnes of CO2 in 2022, an increase of 5.01 Gt from 2000. In Asia, between 2000 and 2022, CO2 emissions from the electricity sector increased from 2.5 Gt to 8.3 Gt and the sector’s share of carbon dioxide (CO2) emissions increased from just over 32 per cent to well over 40 per cent (see Figure 5).

Sources: IEA World Energy Statistics database and Enerdata

Coal burned to generate electricity accounts for the majority of the CO2 emitted in power generation. In 2022, coal-fired electricity\ generation accounted for 9.89 Gt, or nearly 76 per cent of the worldwide CO2 emissions from the electricity sector. The share was even higher in Asia where 92 per cent of emissions from the electricity sector come from coal combustion. Asian coal-fired plants accounted for 7.62 Gt of the total 8.26 Gt of emissions from the sector on that continent (see Figure 6).

Sources: IEA World Energy Statistics database and Enerdata

Conclusion

The global electricity sector, and particularly the sector in Asia, is a major source of CO2 emissions. Relative to Canada’s existing carbon emissions, emissions from the coal-fired power plants worldwide will make any reductions in Canada’s carbon emissions and resulting job losses, higher taxes, and higher costs for consumers and businesses—meaningless.

As 56 per cent of the electricity in Asia is generated by coal-fired plants, a transition from coal- to gas-fired electricity generation in the region could lead to significant reductions in CO2 emissions, reducing emissions by 50 per cent on average. The corollary is that there is a potential market in Asia for natural gas extracted in and exported from Canada. Canada has an opportunity to play a useful and meaningful role in reducing CO2 emissions from the electricity sector by encouraging and contributing to the global natural gas market.


Notes

This CEC Fact Sheet was compiled by Ven Venkatachalam at the Canadian Energy Centre (www.canadianenergycentre.ca). The author and the Canadian Energy Centre would like to thank and acknowledge the assistance of an anonymous reviewer in reviewing the data and research for this Fact Sheet.

References (live as of November 2, 2023)

Canadian Energy Centre (November 7, 2022), Canadian LNG has massive opportunity in Asia: report <https://tinyurl.com/2p9525j6>; Enerdata (2022), Power Plant Tracker database <https://bit.ly/3xfgOdF>; IEA (2022), Electricity Market Report – January 2022 <https://bit.ly/3M0723j> IEA (Undated), World Energy Statistics Database <https://tinyurl.com/ytz789m4>

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Alberta

Enbridge CEO says ‘there’s a good reason’ for Alberta to champion new oil pipeline

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Enbridge CEO Greg Ebel. The company’s extensive pipeline network transports about 30 per cent of the oil produced in North America and nearly 20 per cent of the natural gas consumed in the United States. Photo courtesy Enbridge

From the Canadian Energy Centre

By Deborah Jaremko

B.C. tanker ban an example of federal rules that have to change

The CEO of North America’s largest pipeline operator says Alberta’s move to champion a new oil pipeline to B.C.’s north coast makes sense.

“There’s a good reason the Alberta government has become proponent of a pipeline to the north coast of B.C.,” Enbridge CEO Greg Ebel told the Empire Club of Canada in Toronto the day after Alberta’s announcement.

“The previous [federal] government’s tanker ban effectively makes that export pipeline illegal. No company would build a pipeline to nowhere.”

It’s a big lost opportunity. With short shipping times to Asia, where oil demand is growing, ports on B.C.’s north coast offer a strong business case for Canadian exports. But only if tankers are allowed.

A new pipeline could generate economic benefits across Canada and, under Alberta’s plan, drive economic reconciliation with Indigenous communities.

Ebel said the tanker ban is an example of how policies have to change to allow Canada to maximize its economic potential.

Repealing the legislation is at the top of the list of needed changes Ebel and 94 other energy CEOs sent in a letter to Prime Minister Mark Carney in mid-September.

The federal government’s commitment to the tanker ban under former Prime Minister Justin Trudeau was a key factor in the cancellation of Enbridge’s Northern Gateway pipeline.

That project was originally targeted to go into service around 2016, with capacity to ship 525,000 barrels per day of Canadian oil to Asia.

“We have tried to build nation-building pipelines, and we have the scars to prove it. Five hundred million scars, to be quite honest,” Ebel said, referencing investment the company and its shareholders made advancing the project.

“Those are pensioners and retail investors and employees that took on that risk, and it was difficult,” he said.

For an industry proponent to step up to lead a new Canadian oil export pipeline, it would likely require “overwhelming government support and regulatory overhaul,” BMO Capital Markets said earlier this year.

Energy companies want to build in Canada, Ebel said.

“The energy sector is ready to invest, ready to partner, partner with Indigenous nations and deliver for the country,” he said.

“None of us is calling for weaker environmental oversight. Instead, we are urging government to adopt smarter, clearer, faster processes so that we can attract investment, take risks and build for tomorrow.”

This is the time for Canadians “to remind ourselves we should be the best at this,” Ebel said.

“We should lead the way and show the world how it’s done: wisely, responsibly, efficiently and effectively.”

With input from a technical advisory group that includes pipeline leaders and Indigenous relations experts, Alberta will undertake pre-feasibility work to identify the pipeline’s potential route and size, estimate costs, and begin early Indigenous engagement and partnership efforts.

The province aims to submit an application to the Federal Major Projects Office by spring 2026.

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Alberta

‘Visionary’ Yellowhead Pipeline poised to launch Alberta into the future

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From the Canadian Energy Centre

By Grady Semmens

Heartland leaders welcome proposed new natural gas connector

As a lifelong farmer, entrepreneur and community leader, Alanna Hnatiw knows first-hand the crucial role energy plays in a strong and diverse economy.

The mayor of Sturgeon County, a sprawling rural municipality northeast of Edmonton, Hnatiw has spent much of the last decade working to protect its agricultural roots while building new industries that support the jobs and services families and businesses rely on every day.

Hnatiw says there is widespread appreciation among the county’s 20,000 residents for the opportunities afforded by the province’s oil and gas resources. That’s why she joined other leaders in Alberta’s Industrial Heartland region to applaud a major new natural gas pipeline planned for the area.

“Natural gas is an integral to all the industrial operations in Sturgeon County and the surrounding area. It goes beyond just burning it to turn turbines, it is the feedstock for all kinds of value-added processing. From fertilizer and plastics to petrochemicals and hydrogen, natural gas is the lynchpin for us into the future,” she said.

Filling growing demand

Hnatiw is one of more than a dozen community and industry leaders who sent letters of support to the Alberta Utilities Commission (AUC) last year endorsing ATCO Energy Systems’ proposed Yellowhead Pipeline project.

The project achieved a significant milestone in August when the AUC approved ATCO’s application determining the pipeline is needed.

The largest infrastructure investment in the company’s history, the 230-kilometre pipeline from Peers to Fort Saskatchewan will transport more than 1.1 billion cubic feet of natural gas per day when operational in late 2027.

For context, Alberta produced about 11 billion cubic feet per day of natural gas in 2024, according to the Alberta Energy Regulator.

Proposed route map of the Yellowhead Pipeline. Map courtesy ATCO

The Yellowhead Pipeline will boost deliveries to the greater Edmonton area as demand continues to grow for power generation, manufacturing, petrochemical processing and residential use.

Industrial customers have reserved 90 per cent of the pipeline’s capacity to meet their future needs.

This includes Dow Chemical, which plans to build an $8.9-billion net-zero ethylene processing facility in Fort Saskatchewan, Heidelberg Materials’ Edmonton facility that aims to be the world’s first full-scale cement plant equipped with carbon capture and storage (CCS), and McCain Foods, which requires more natural gas for a planned expansion of its French fry factory in Coaldale.

Prosperity driver

Edmonton Global CEO Malcolm Bruce described the Yellowhead Pipeline as a “visionary” infrastructure project in his letter of support to the AUC.

“The [project] will create jobs, enable billions in new investment and drive Alberta’s hydrogen roadmap and natural gas vision and strategy.”

ATCO’s projections show the pipeline will generate substantial economic benefits. The company estimates that during construction, it will support 12,000 jobs and contribute $1.6 billion per year to Alberta’s economy.

Once in operation, the pipeline is expected to support 23,700 jobs per year and add $3.9 billion annually to Alberta’s GDP.

For Sturgeon County, the project also provides much-needed certainty that natural gas will be available for the $30 billion in new industrial investments the region is hoping to attract in the coming years.

Future plans

The municipality is already home to major operations including the NWR Sturgeon Refinery and Nutrien fertilizer plant, both of which capture carbon dioxide emissions that are transported through the Alberta Carbon Trunk Line for deep underground storage near Clive, Alberta.

Hnatiw said future development may include hydrogen production with CCS, petrochemical processing, gas-fired power plants and large-scale data centres.

“With our operations running near capacity right now, this new pipeline helps alleviate the uncertainty around gas supplies for industrial developers,” Hnatiw said.

The county’s industrial goals are inextricably tied to ensuring its farming sector continues to flourish, she said.

“Eighty per cent of our land base is agricultural, but it only accounts for one per cent of our budget as far as taxes go, so we need our industrial residents to support our rural way of life,” she said.

“We don’t want people to have to leave our community to make a living. We want a future that is full of opportunity, and one that is also sustainable for the families that produce our food, our fuel, and all the other value-added products we can provide.”

ATCO’s next step is to file for AUC approval to build the pipeline later this year. The company expects construction to begin in 2026.

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