Shutting Down Canadian Pipeline Would Cost US Consumers $23.7 Billion More in Fuel Costs: Report

A recently published analysis by a consumer advocacy nonprofit maintains that shutting down a 4.5-mile section of a nearly 70-year-old pipeline that spans the Great Lakes from Wisconsin to Ontario would impose $23.7 billion in higher fuel costs for families and businesses in Indiana, Michigan, Ohio, and Pennsylvania.

Consumer Energy Alliance’s (CEA) 14-page report estimates closing Canada-based Enbridge Energy’s Line 5 pipeline in the Straits of Mackinac, which connect Lake Michigan to Lake Huron, would spur regional fuel price spikes of between 9.47 and 11.66 percent “independent of any other market conditions, such as the surge in fuel prices observed over the past 12 months that are tied to international oil markets and logistical challenges caused by the pandemic.”

Enbridge and the state of Michigan have been engaged in litigation for more than a year over the pipeline after Democratic Gov. Gretchen Whitmer in November 2020 revoked the pipeline’s original 1953 lakebed easement and ordered the pipeline shut down by May 2021, citing the risk of a spill in the ecologically sensitive straits.

Enbridge ignored the order—the pipeline is still funneling 540,000 barrels per day (bpd) of light crude oil, light synthetic crude, and natural gas liquids (NGLs) through the straits—and petitioned to have the case heard in federal courts. In October, the government of Canada backed Enbridge in its challenge and invoked a 1977 pipeline treaty with the United States to demand bilateral negotiations at the federal level.

In November, a federal judge transferred Whitmer’s suit out of Michigan’s courts. That suit was subsequently dropped but a similar lawsuit filed by Michigan Attorney General Michigan Attorney General Dana Nessel remains in state courts, although a ruling is pending regarding its jurisdictional status.

Built in 1953 by Bechtel Corp., the Line 5 pipeline is actually two 20-inch-diameter parallel pipes with an enamel coating three times thicker than a typical pipeline. Enbridge maintains there has never been a leak in its 69-year operational existence.

The company maintains it monitors Line 5’s Straits crossing “24/7, using both specially trained staff and sophisticated computer monitoring systems” that include “regular inspections of the line, using inline tools, expert divers, and remote operating vehicles (ROVs), going above and beyond regulatory requirements.”

In April 2020, Enbridge Energy filed an application with the Michigan Public Service Commission (PSC) requesting authority to replace its 4.5-mile Line 5 pipeline under the Straits of Mackinac and encase it inside a tunnel.

The Straits Line 5 Replacement Segment Project would replace the dual 20-inch diameter pipes with one 30-inch diameter pipe and relocate it within a concrete-lined tunnel below the lakebed.

The application did not address the tunnel, only the pipeline replacement. The proposed $500 million tunnel project is being reviewed under separate applications filed with state and federal agencies. The last date for public comments on the proposed tunnel was March 11. State regulators and the three-member PSC are reviewing the proposal now.

Enbridge sought swift approval for its pipeline replacement project based on its original 1953 approval, but the PSC determined the proposed pipeline replacement project presented significant differences and denied its request for declaratory relief, referring it to the state’s Act 16 process for formal contested case hearings.

Six months later, Whitmer pulled the plug by revoking its easement and ordering the pipeline shuttered by May 2021, effectively pushing the matter into the courts.

gretchen whitmer
Michigan Gov. Gretchen Whitmer speaks during a press conference on Belle Isle in Detroit, Mich., on June 22, 2021. (David Guralnick/Detroit News via AP)

Although there have never been any reported leaks from the pipeline in the straits, Enbridge-owned pipelines have been responsible for oil spills elsewhere in Michigan, including from Line 5 in Crystal Falls in 1999 and in the Kalamazoo River in 2010.

Eight Michigan counties and municipalities have formally called for the “retirement “of Line 5 including Cheboygan, Cheboygan County, Emmet County, Genesee County, Mackinaw City, Mentor Township, Munising Township, and Wayne County.

According to a study published by the University of Michigan and the U.S. National Oceanic and Atmospheric Administration, a leak in Enbridge 5 near the Straits of Mackinac could affect roughly 700 miles of shoreline. A pipeline leak and oil spill could cost as much as $6 billion in cleanup efforts and environmental damage, the state claims, citing a close call in 2018 when a ship’s anchor stuck, but did not rupture, the pipeline in the straits.

An August 2020 study by a Gary L. Street, former Dow chemical engineer, found a temporary court-ordered shutdown of one of Line 5’s dual pipelines following an incident elsewhere along its traverse did not affect gas prices or supply in Michigan or Canada.

But according to CEA’s analysis, shutting down the pipeline permanently would be another matter.

CEA said its “independent third-party analysis,” conducted by California-based Weinstein, Clower and Associates, examined the impacts that a Line 5 closure would have on the region and found “shutting down this critical infrastructure would have a devastating impact on the supply of transportation fuels in regional markets, and hurt petrochemical refiners that rely on the pipeline to safely and efficiently deliver feedstock.”

According to the report, Ohio residents and businesses would incur $2.73 billion in higher gasoline and diesel prices through 2027. Michigan residents and businesses would see $2.22 billion in higher costs, those in Indiana $272 million, and $630 million for those in Pennsylvania.

“The jump in transportation fuel prices will not be borne evenly across all consumer groups,” it states. “But given current macro-economic trends, most of these higher costs will likely be passed on to households.”

The increase in fuel costs will radiate through local and state economies, CEA said.

“Based on research into broader energy price inflation, these cost increases will further push up food prices, especially for beef, pork, and corn. We estimate combined grocery and restaurant prices will rise an additional 0.2 percent to 0.3 percent on top of any other inflationary pressures in the economy,” the report states. “These energy cost increases will lower economic growth rates, especially in Michigan and Ohio, for years to come.”

The March analysis follows a 2021 CEA study that found Indiana, Michigan, Ohio, and Pennsylvania would lose $20.8 billion in “lost economic activity,” an $8.3 billion reduction in Gross State Product, $265.7 million in “lost state tax revenue,” a loss of 33,700 jobs, and $2.36 billion in “forgone labor earnings.”

“In the longer term, rising transportation fuel prices will have negative impacts on regional economic competitiveness, particularly in manufacturing and related logistics services,” the March report concludes. “These energy cost increases will lower economic growth rates, especially in Michigan and Ohio, for years to come. Households are already enduring the highest rate of inflation in 40 years with real wages and earnings declining over the past year. The closure of Line 5 would be the wrong action at the wrong time.”

John Haughey


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