Sherritt Moa JV Dissolution Marks Break in Cuba Nickel-Cobalt Supply Chain

Sherritt

Sherritt Moa JV dissolution marks a major break in one of the more unusual cross-border nickel-cobalt supply chains linking Cuba and Canada. Sherritt International plans to deliver a dissolution notice to its joint venture partner, the General Nickel Company of Cuba, after expanded US sanctions made continued participation commercially and legally risky.

Sherritt Moa JV dissolution will require the Canadian company to surrender its interests in the Cuban joint venture corporations. The company said immediate dissolution is the only way to preserve its ability to do business.

Sherritt Moa JV dissolution is strategically important because the Moa structure linked Cuban mining and intermediate processing with Canadian refining. Ore was mined and processed into mixed sulfide precipitate at Moa, then shipped to the Fort Saskatchewan refinery in Alberta.

Sherritt expects GNC to owe an equalization payment because it believes the Moa mine is more valuable than the Canadian refinery. That valuation issue could become a key point in the separation process.

US Sanctions Force Structural Exit From Moa

The US directly sanctioned the Moa joint venture on 7 May. The designation followed a 1 May executive order allowing Washington to sanction entities or people supporting the Cuban government across metals, mining, energy, financial services, security and other sectors.

Sherritt had already suspended direct participation in Moa-related activities earlier this month after assessing the implications of the executive order. The direct sanctions accelerated the need for a structural exit.

The company said the dissolution is necessary so it can be considered the sole owner of Canada Refinery Corporation, which owns the Fort Saskatchewan nickel-cobalt refinery. That step is central to preserving the Canadian refining business outside the sanctioned Cuban structure.

The Moa joint venture had been a 50/50 partnership between Sherritt and GNC. Its value came from combining Cuban ore and MSP production with Canadian refining expertise.

The latest move shows how sanctions can fracture supply chains even when downstream refining sits in an allied jurisdiction. Feedstock origin, ownership structure and sanctioned counterparties now matter as much as the location of final refining.

Canadian Refinery Faces Feedstock Repositioning Challenge

The Fort Saskatchewan refinery remains strategically valuable because it produces finished nickel and cobalt. These metals are used in batteries, superalloys, stainless steel, industrial chemicals and advanced manufacturing.

However, the refinery’s historic feedstock route depended on Moa mixed sulfide precipitate. Losing the Cuban joint venture means Sherritt must protect the refinery’s operating future through ownership clarity, alternative feed planning or new commercial structures.

The company had already faced operating pressure before the sanctions escalated. Sherritt temporarily suspended mining operations at Moa in February because of fuel supply problems in Cuba.

That earlier disruption showed the physical fragility of the Moa supply chain. The sanctions now add a legal and geopolitical break to an already strained operating model.

For nickel and cobalt buyers, the key issue is whether Fort Saskatchewan can remain a reliable source of refined metal without direct participation in Moa. The answer will depend on feedstock access, legal separation, inventory management and customer confidence.

The dissolution also highlights a broader critical minerals lesson. Western supply chains can still carry high exposure when mines, intermediates or partners sit in sanctioned or politically sensitive jurisdictions.

The Metalnomist Commentary

Sherritt’s exit from Moa shows that critical minerals security cannot rely on refining capacity alone. The real test is whether the entire chain, from mine ownership to intermediate feedstock and final metal, can survive sanctions, fuel disruption and geopolitical pressure.