Heidelberg's Edmonton CCS Stall: Canada's Carbon Price Gap

Heidelberg Materials has the technology, the federal funding commitments, and a proven cement CCS operation already running in Norway. What it doesn't have is a Canadian carbon price high enough to make a CAD 2 billion investment work.

That gap, not a technology problem, is why Edmonton's planned full-scale cement CCS project is now on hold.

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What Did Heidelberg's VP Actually Say?

The clearest statement on why Edmonton stalled came directly from David Perkins, Heidelberg Materials North America's vice-president of sustainability and public affairs. He told Taproot Edmonton that carbon pricing is "not an insignificant" factor in the project's viability.

"Originally there was discussion around $170 a tonne by 2030," Perkins said. "The (federal) government has backed off of that now. The province has backed off of that to a much lower level."

That retreat is the core of the story. When Heidelberg signed its 2023 partnership with the federal government, the carbon pricing trajectory pointed toward CAD 170 per tonne by 2030. Today, Alberta's industrial carbon price sits at CAD 95 per tonne.

Under the May 2026 Canada-Alberta Pathways deal, the headline price will reach CAD 140 per tonne by 2040. That is still well below the CAD 170 per tonne Heidelberg originally expected. Perkins confirmed that voluntary carbon credits are trading around CAD 45 per tonne, too low to justify the investment.

How Big Is the Gap Between Edmonton and Brevik?

Heidelberg's Brevik CCS facility in Norway became operational in summer 2025, making it the world's first full-scale carbon capture installation at a cement plant. It captures approximately 400,000 tonnes of CO2 per year.

Edmonton, as Decarbonfuse covered in detail earlier, was designed to go further. It targeted full carbon neutrality for cement production, with a planned capture rate of over 1 million tonnes per year.

Brevik works because Norway's policy environment makes it viable. EU Emissions Trading System allowances averaged approximately EUR 75 per tonne in 2025. Norway's own CO2 tax adds another layer on top of that.

The OECD's 2025 Effective Carbon Rates report found Norway's average net effective carbon rate reached EUR 101 per tonne of CO2 equivalent in 2023. Alberta's CAD 95 regulatory price plus CAD 45 credit market price leaves Edmonton well below the economics that made Brevik viable.

Edmonton was designed to capture over 1 million tonnes of CO2 per year, more than twice Brevik's capacity. The captured CO2 would travel by pipeline to the Open Access Wabamun Carbon Hub in Parkland County, expected to be completed by 2027.

The storage infrastructure will exist. The pricing foundation to finance capture will not, at least not yet.

A lessons-learned report on the Edmonton pilot confirmed that large-scale capture at the plant is technically feasible. It also found that policy uncertainty continues to delay project sanctioning, adding to costs. Capital cost estimates have grown from CAD 1.36 billion to as much as CAD 2 billion.

>> RELATED: Heidelberg Materials North America Announces Funding Commitment from Government of Canada

Is Canada's ITC Enough to Close the Gap?

Canada's CCUS Investment Tax Credit is generous on paper. Under Bill C-15, enacted in March 2026, it offers 50% on capture equipment and 37.5% on transport and storage, with both rates extended to 2035. Decarbonfuse has tracked how Canada's broader CCS investment pipeline is building even as individual projects face delays.

Those credits cover capital costs only. They don't cover operating costs, and they can't replace the revenue signal a high, sustained carbon price provides year after year.

That's the structural problem for cement CCS in Canada. A 50% capital credit helps build the plant. It doesn't make a CAD 2 billion project viable to operate over 20 years at a carbon price between CAD 95 and CAD 140 per tonne.

Perkins noted that even the US 45Q credit, equivalent to approximately USD 85 per tonne at Heidelberg's Indiana plant, still presents operational challenges. "Even at that $85 level, there's still some challenge in being able to meet the operational viability," he said.

Capital credits alone cannot bridge this gap. Cement CCS needs either a higher carbon compliance price, a guaranteed revenue mechanism tied to captured CO2, or both. The Canada Growth Fund has used carbon contracts for difference with some industrial CCS players to stabilize the carbon price signal.

That model guarantees a floor price for carbon credits regardless of market conditions. It's precisely what Edmonton's economics appear to need.

Factor	Brevik, Norway (Operational)	Edmonton, Canada (Stalled)
Capture capacity target	~400,000 t CO2/year	1 million t CO2/year (planned)
Carbon price environment	EU ETS (~EUR 75/t) + Norway CO2 tax; combined effective rate above EUR 100/t (OECD, 2025)	AB industrial price CAD 95/t; voluntary credits ~CAD 45/t; Pathways target CAD 140/t by 2040
Original carbon price expectation	N/A (Norway pricing stable)	~CAD 170/t by 2030 (Heidelberg, per Taproot, 2026)
Government capital support	~80% of ~EUR 400M project cost funded by Norway's Longship program	CAD 49M paid (Phase 1); up to CAD 226M Phase 2 contingent on missed FID deadline
Project status (August 2026)	Operational since summer 2025	On hold; FID not reached by April 30, 2025 deadline

What Would It Actually Take to Move This Forward?

The Edmonton delay isn't a dead end. It's a policy design problem with identifiable solutions. Three levers could change the calculus.

A higher and more predictable carbon compliance price is the most direct fix. Canada's original trajectory toward CAD 170 per tonne by 2030 would have put Edmonton in a much better position. That retreat is a solvable policy choice, not a permanent constraint.

Carbon contracts for difference offer a second path. The Canada Growth Fund could guarantee a floor carbon price, say CAD 150 per tonne, for CO2 captured at Edmonton. Canada and Alberta are already exploring price floors and CCfDs under the Pathways Implementation Agreement.

A third lever is a procurement premium for carbon-neutral cement in public infrastructure projects. No such policy exists in Canada today, but it's a tool other jurisdictions are beginning to explore.

The Edmonton case fits a broader pattern in Canada's CCS strategy. The Pathways Alliance cut its oil sands carbon capture goal from 40 megatonnes per year by 2050 to 16 megatonnes per year by 2045. Varme Energy's waste-to-energy project in Edmonton faces the same carbon price headwinds.

Alberta's first CCS hub began injecting CO2 in late 2025. The storage infrastructure is advancing. What's lagging is the revenue certainty that makes capture worth building.

The Technology Works. The Policy Framework Doesn't Yet

The Edmonton pause is not a vote of no confidence in cement CCS. Brevik is running and Heidelberg remains the global leader in cement CCS. The Edmonton pilot confirmed that capturing 1 million tonnes of CO2 annually from the plant is technically achievable.

What Edmonton reveals is a structural mismatch in Canada's industrial CCS framework. The ITC covers capital and federal grants covered Phase 1. But the carbon price signal that makes a 20-year operating commitment viable is running at less than half of what Heidelberg originally needed.

Closing that gap requires a stronger compliance price, a CCfD floor, or a low-carbon cement procurement premium. The path forward exists. Getting there is a policy decision.

Decarbonfuse covers Canada's CCUS investment tax credit, industrial CCS in cement and steel, and the policy frameworks shaping the global CCUS buildout. Subscribe to stay current.

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