A new report from Pembina Institute says that the proposed TransCanada Energy East pipeline could generate up to 32 million tonnes (Mt) of additional greenhouse gas (GHG) emissions from the crude oil production required to fill it. Thirty-two million tonnes of carbon emissions is the equivalent of adding 7 million cars to Canada's roads, exceeding the projected emissions of the Keystone XL pipeline proposal.
The Keystone XL pipeline, in comparison, would generate 22 Mt of additional GHG emissions through oilsands production, according to a previous report by Pembina. The estimated emissions impact of Energy East is "higher than the total current provincial emissions of five provinces."
The $12 million Energy East pipeline, proposed by TransCanada in August 2013, would have the capacity to transport 1.1 million barrels per day (bpd) of oilsands and conventional crude oil from Alberta to New Brunswick. According to the report, the volume of new oilsands production associated with Energy East would represent up to a 39 per cent increase from 2012 oilsands production levels.
Figure 1: Greenhouse gas emissions associated with Energy East compared to those of selected
provinces. Climate Implications of the Proposed Energy East Pipeline: A Preliminary Assessment. The Pembina Institute, 2014.
Oilsands production is currently Canada's fastest growing source of GHG emissions, and is set to nearly triple between now and 2030, according to Environment Canada. Report authors Clare Demerse and Erin Flanagan told DeSmog Canada that this growth is "the single largest barrier to achieving [Canada's] 2020 climate target."
Given that Canada is set to miss its 2020 emissions reduction target by 122 Mt with current measures, Demerse and Flanagan see the Energy East proposal's potential to add a new source of GHGs from the oilsands as "significant and troubling."
The authors stress that the report, titled Climate Implications of the Proposed Energy East Pipeline, only assesses the pipeline's upstream, "Well-to-Refinery Gate" emissions impact, rather than the downstream, "Well-to-Wheel" emissions of the crude oil being transported, which would include emissions released by its combustion in vehicle engines. The actual climate impact of Energy East would therefore be even greater than figures in the report.
"The oilsands are already Canada's fastest-growing source of carbon pollution and the Energy East pipeline would help to accelerate production. Any regulatory review should include not only the impact of the pipeline itself, but also the impact of producing the crude that would flow through it," said Demerse, Federal Policy Director at Pembina.
Figure 2: Change in GHG emissions by economic sector, 2005-2020. Climate Implications of the Proposed Energy East Pipeline: A Preliminary Assessment. The Pembina Institute, 2014.
Demerse and Flanagan hope that the report will urge the National Energy Board (NEB) to undertake a more thorough appraisal of Energy East's environmental impact than its review of Enbridge's Northern Gateway proposal, saying that they wanted to submit their findings "before the National Energy Board decides on the format of its review."
The authors note that "many Canadians asked for consideration of the impacts of oilsands production in the Northern Gateway hearings," so if the NEB chooses a "more complete and balanced review of the Energy East proposal – one that looks at the environmental impacts of filling the pipeline as well as the pipeline infrastructure itself – I think the regulators would simply be catching up to where Canadians already are."
TransCanada is set to submit its regulatory application for Energy East to the NEB later this year.
The report recommends that the NEB "include the pipeline's full upstream impacts in the scope of its review, and that the federal government should end its delays and adopt strong emissions regulations for the oil and gas sector."
The report mentions that carbon capture and storage (CCS) technologies have been found to lower oilsands production emissions, but adds that "Canada lacks the kind of stringent climate policies that would provide a strong incentive for those kinds of investments," especially considering the high cost of such technology.
The authors believe that approving projects like Energy East and Keystone XL could "see less emphasis on, and less encouragement of, clean energy investment in Canada" when the country needs to be "starting the transition to a clean energy future."
"The oilsands industry plans to triple production by 2030 and building new pipelines is necessary to realize those ambitions. We need to look at the full scope of impacts when evaluating pipelines," said Flanagan.
In its 2013 World Energy Outlook, the International Energy Association (IEA) modelled a scenario where countries take the action required to keep global warming below 2 degrees C, and found that global demand for oil would likely peak in 2020 and fall thereafter. Demerse and Flanagan suggest that Canada needs to "keep that kind of long-term picture in mind when we're considering a pipeline proposal that could last for 30, 40 or 50 years."
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