May 17, 2026 | Posted by Mike Bavto
eStruxture has signed CoreWeave as the anchor tenant for Phase 1 of CAL-3, its 90 MW AI-ready data center in Rocky View County just outside Calgary, eStruxture announced on May 14. The Tier III facility is the largest data center under construction in Alberta and is targeted for commercial operation in the second half of 2026.
eStruxture put CAL-3's total project cost at C$750 million and frames the build as part of more than C$1 billion in Alberta digital infrastructure spend. The MW commitment, lease term, and contract value behind CoreWeave's Phase 1 anchor were not disclosed.
Inside CAL-3
CAL-3 will deliver 90 MW across roughly 300,000 square feet, with rack densities up to 125 kW per rack, according to a project disclosure filed with Alberta Major Projects. That density target puts the facility in the same tier as new AI-purpose builds being announced across North America, and well above the 30 to 50 kW per rack typical of general-purpose colocation.
The site sits roughly two kilometers from eStruxture's existing CAL-2 in Rocky View County, and about 25 kilometers from CAL-1 in southeast Calgary. With CAL-3 added, eStruxture's combined Calgary footprint reaches 116 MW.
The buyer
CoreWeave (Nasdaq: CRWV) has been the most aggressive GPU-cloud operator in the colocation market for the past 18 months. CAL-3 is its second publicly disclosed Canadian footprint in 2026, following a 300 MW partnership with BCE and Cerebras for a purpose-built AI campus in Sherwood, Saskatchewan announced in March.
"Calgary has officially arrived as a top technology destination. This cements Alberta as a critical node in the global AI supply chain."— Todd Coleman, Founder, President and CEO, eStruxture
CoreWeave Chief Operating Officer Sachin Jain credited Alberta's provincial government and Invest Alberta as "terrific partners every step of the way." That refrain shows up in nearly every recent Canadian AI infrastructure announcement. Provincial promotion is doing real work alongside power and land.
Why it matters
Calgary is no longer a secondary Canadian data center market. Between CAL-3 and the Sherwood campus, CoreWeave alone is committing to anchor capacity at two Western Canadian sites within nine months of each other.
The pattern is consistent. GPU cloud operators are bypassing tariff-exposed US sites and slow-moving primary metros for Canadian markets that pair available power with active provincial promotion. Expect more anchor-tenant deals out of Alberta and Saskatchewan over the next twelve months, and expect lease economics in Calgary to tighten quickly once CAL-3 commissions.