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Canada Standard
13-05-2025
- Business
- Canada Standard
How Ontario and Alberta Phased Out Coal-and What Comes Next
Alberta and Ontario delivered Canada's biggest climate success to date by phasing out coal power-but as electricity demand rises, a new analysis warns that the gains could slip away unless both provinces act fast to expand clean generation and cut reliance on gas. In a new analysis, 440 Megatonnes uses the latest data from Canada's National Inventory Report (NIR) to assess how Ontario and Alberta are progressing on efforts to decarbonize their electricity grids. Electricity generation has progressed faster than any other sector in reducing emissions and these two provinces are standouts, largely thanks to the phase out of coal-fired generation. Taken together, these actions have led to one of the biggest reductions in greenhouse gas emissions Canada has seen to date. What does this success mean for future progress? 440 Megatonnes unpacked some of the numbers and provided potential next steps on grid decarbonization as provinces and territories face increased power demand in the near future. Both Alberta and Ontario have stopped using coal for electricity generation. Ontario's last coal plant shut down in 2015 and Alberta zeroed out coal-fired power almost a decade later in 2024. Both provinces used policy to achieve this, with the provincial policies tailored to the regional situations. In 2003, Ontario officially committed to a provincial phase out of coal-fired electricity. Initially, the provincial government planned to phase out all coal plants by 2007, but later revised this date to the end of 2014. Between 2005 and 2015, coal dropped from 19% of Ontario's generation to zero, a remarkable transformation over the span of a decade. A mix of nuclear and wind generation grew to meet the province's power demand, with some additional generation from gas. Since 2015, nuclear generation has declined due to refurbishments, which have temporarily taken some reactors offline. That power has been replaced by gas and hydro generation, in a roughly even mix, alongside solar and wind to a lesser extent. Alberta committed to eliminating coal-fired electricity in 2015, with an initial phase- out date of 2030. However, in practice coal was phased out much quicker due to Alberta's Technology Innovation and Emissions Reduction (TIER) regulation-also known as the province's industrial carbon pricing system-plus the financial contracts with Alberta power companies to move off coal. Coal accounted for 65% of generation in Alberta in 2015, but declined to 15% by 2023, the most recent year reported by the NIR. 440 Megatonnes expects that coal-fired generation in 2024 will be less than 10%, since the last dedicated coal plant went offline on June 16, 2024. Gas accounted for about 70% of the fuel switch from coal, while wind and solar power grew substantially and accounted for the remainder. Ontario and Alberta used different policies and technologies in their phase outs. Ontario's coal plants were old and owned by a public company accountable to the Ministry of Energy. Thus it was feasible to rely on government instruction and regulation to ban the use of coal, without complementary policies. The replacement power took advantage of the province's extensive investments in nuclear power since the 1970s. Alberta's coal plants accounted for a much larger share of total generation and were generally newer and privately owned. The government implemented a regulation but ultimately the carrots and sticks of TIER and other supportive policies proved stronger than regulations in moving the province off-coal. While a few coal plants completely shut down, many plants were modified to use gas, taking advantage of the coal to gas conversion experience gained in the United States. The emissions reductions in Alberta and Ontario are unambiguously good for the climate, and eliminating coal brought additional health savings due to improved air quality. To put it in perspective, Canada's total emissions dropped by 65 million tonnes (Mt) from 2005 to 2023. Taken together, the two provincial coal phase outs represent more than 80% of that emissions cut. Ontario's electricity sector emissions decreased by 26 Mt and Alberta's by 27 Mt during that time. In 2013, the Ontario Power Authority referred to the province's coal phase out as "the single largest greenhouse gas reduction measure in North America." Alberta's emission reductions have been similarly celebrated as a policy success by regulators and academics. But the emissions intensity of the respective provincial grids tells a cautionary tale for each province. While the coal phase out significantly reduced the emissions intensity of Ontario's grid, the growth of gas is now offsetting some of those gains. Zero-emitting nuclear generation has accounted for the majority of electricity generation since 2015, but its contribution has declined from 59% to 52% during this time. It has been replaced by a mix of non-emitting and gas generation, which has increased overall emissions intensity since 2017. Alberta's emission intensity is much higher than Ontario's due to limited non-emitting generation like nuclear and hydro, both historically and currently. Emissions intensity in the province decreased by more than half from 2005 to 2023 due to gas and renewables replacing coal generation. Gas increased from 20% of the electricity mix in 2005 to 59% in 2023, while solar and wind generation remarkably grew from 1% to 22% in those 18 years. But the future trajectory of Alberta's emissions intensity is uncertain. In 2023, the intensity of the grid (424 grams of CO 2 eq / kWh) was only slightly higher than the intensity of the most energy-efficient gas plant. This intensity could continue to fall in the short term if more generation from older plants are replaced by newer gas plants-but only if electricity demand does not increase. But most provincial forecasts see electricity demand growing, possibly significantly-and both policy and economic uncertainty are applying headwinds to growth in non-emitting generation, whether from renewables or gas with sequestration. Both Alberta and Ontario are facing increased demand for electricity due to consumer choice-like more electric vehicles and heat pumps-policy-driven decarbonization through electrification, and new economic activity. This potential growth is a stark contrast to the last decade of stable electricity demand, but it's not unprecedented. In Canada, electricity generation almost tripled from 1965 to 1985 due to strong economic growth. Strategic planning and rapid action are needed now to develop a strong low-emitting electricity system that is reliable, affordable, and flexible, in the timeframe required for provinces and territories to leverage this clean electricity competitive advantage. Provinces and territories are already charging ahead with planning and procuring emissions-free electricity. The federal government's Clean Electricity Regulations, which were finalized last December, provide direction for decarbonizing the sector, with flexibility for provinces to apply innovative solutions for their electricity systems. Next steps for provincial governments should include energy road maps, which support clear mandates and integrated planning. Ontario has been advised to prioritize conservation, consistent and long term procurement planning, transmission planning for the net-zero grid, and exploring multiple technology solutions in parallel. Previous research shows that Alberta can match its growing clean electricity needs by investing in transmission and ensuring non-emitting generation dominates future power plant decisions while developing strategies that account for the significant uncertainty of industrial demand. The net zero economy goals require that both provinces start investing now. Even with their different generation mixes and policy choices, Ontario and Alberta have each radically reduced emissions from their electricity sectors. Looking forward, each province is working toward clean energy or net-zero emissions economies and non-emitting electricity is the linchpin to that goal. The historical data demonstrates that each province is up to the challenge, but they need to quickly build on those previous successes. Source: The Energy Mix
National Observer
01-05-2025
- Business
- National Observer
BC's emissions have barely budged, province says
BC's carbon emissions are barely budging and the province will fall far short of its climate goals, despite British Columbians reducing their emissions per person by about 20 percent through the adoption of heat pumps, electric vehicles and other climate actions. The province will emit nearly 20 million tons of more carbon emissions than its 2030 targets under existing policies, blowing through targets essential to keeping the climate crisis in check, according to the province's annual climate accountability report. Released Tuesday, the document reveals that the province's gross emissions have increased 0.2 per cent since 2007, the reference year against which reductions are measured, hitting 65.6 million tonnes of carbon dioxide equivalents in 2022. The emissions data are from 2022, the most recent available in Canada's National Inventory Report. It comes as the province reconsiders its climate actions. This spring, BC Premier David Eby canceled the consumer carbon tax, the province has announced it will review its subsidy for EVs, and it is planning to reassess the CleanBC climate plan, which sets the province' emissions reduction targets. The numbers show these emissions held steady despite the province's GDP almost doubling and the province's population growing by a fifth during the same time frame, resulting in about 20 per cent fewer emissions per person. That's higher per capita emissions than Ontario, Quebec and PEI, but lower than the Prairies and the Atlantic provinces. About 40 per cent of the province's carbon emissions came from transportation, while the oil and gas industry accounted for nearly 15 per cent. BC residents weren't the biggest emitters, with many embracing climate action and recent polling showing widespread support for climate action. Heat pump installations soared by over 60 per cent between 2022 and 2023, according to the province's climate accountability report. In 2023 EVs made up nearly a quarter of new cars sold in the province — though recent provincial data show sales are slowing. BC's carbon emissions are barely budging and the province will fall far short of its climate goals, despite British Columbians reducing their emissions per person by about 20 percent. "I'm not that surprised we're not on target," said Thomas Green, senior climate policy advisor for the David Suzuki Foundation. The province's climate policies have taken longer to implement than initially expected, and there is typically a lag between when the policies are implemented and their impact starts to show, he said. Making them remains essential for the province's economic future. Evan Pivnik, program manager at Clean Energy Canada highlighted in a statement that 10 of Canada's largest non-US trading partners have net-zero commitments and carbon pricing — and border fees on products that don't meet similar standards. Still, experts highlight that no matter what measures the province takes to reduce emissions from buildings, transportation and other sources, many of those hard-won emissions reductions could be canceled out by the province's push to build up an LNG industry in northern BC. LNG "is certainly the elephant in the room," said John Young, LNG senior strategist for Climate Action Network. "Whenever you're talking about climate in British Columbia or climate in Canada, LNG needs to be part of the conversation in ways that it often hasn't been." If all six LNG projects proposed in the province are built, their operational and upstream emissions alone would make up about 40 per cent of the emissions allowed under the province's 2030 goals. The emissions generated when that fuel is burned would be about 10 times higher, harming global efforts to fight the climate crisis. Government officials know that supporting the LNG industry will send the province blowing through its climate goals, but have decided the financial returns are worth the devastating climate impacts of exploiting those reserves, Young said. "There's no way to dress it up. If you build new fossil fuel projects, you're not going to meet your climate targets. That's not, that's not rocket science. That's climate science."
