Salt Canada builds vertical infrastructure stacks in Canada — sovereign AI cloud at the base, thermal recovery in the middle, year-round urban farming above. One site. One energy budget. Two products that pay for each other.
A data centre's biggest by-product is heat, and a greenhouse's biggest cost is heat. Salt puts them in the same structure and lets the waste from one become the input of the other.
Sovereign GPU and inference capacity operated in Canada, on Canadian power, under Canadian jurisdiction — for tenants whose data is not allowed to leave the country.
The building is the machine. Compute halls, thermal loops and growing decks are engineered as one vertical system instead of three neighbours sharing a fence line.
Gourmet mushrooms, microgreens, herbs and winter strawberries grown in the same building as the racks that heat them — harvested and sold the same day, inside the community that hosts the site.
Every megawatt that enters a compute hall leaves it as heat. In a conventional data centre that heat is rejected to the air and paid for twice — once to make it, once to remove it.
Salt captures it at the chip, lifts it to growing temperature with heat pumps, and delivers it to the decks above. The compute tenant gets lower cooling overhead. The farm gets its single largest operating cost handed to it as a by-product. The host community gets both.
Site 01 reaches this from the farm side and Site 02 from the compute side. The loop is the same in both.
| Salt vertical stack | Typical data centre | Typical vertical farm | |
|---|---|---|---|
| Waste heat | Primary input to the farm above | Rejected to atmosphere | Purchased as gas or electric heat |
| Cost of heating | Near zero — already paid for by compute | Negative: cooling is a cost line | Largest single operating cost |
| Land use | One footprint, stacked vertically | Large single-purpose parcel | Separate parcel, separate services |
| Community argument | Jobs, local food, visible public benefit | Power draw with few local jobs | Good story, thin margins |
| Revenue lines | Compute contracts + produce offtake | Compute contracts only | Produce only |
| Permitting posture | Enters as agri-industrial, not just load | Enters as pure load on the grid | Straightforward, but capital-starved |
Site 01 starts with the farm and adds compute. Site 02 starts with the compute and adds the growing space. Both end up in the same place — one building where the heat from the racks is the heat under the crops.
A heritage building in an Eastern Townships downtown core, brought back into production. Each of the four levels is matched to what it is already good at: mushrooms in the dark, humid basement, microgreens and herbs under LED on the mezzanine and second floor, strawberries on the showcase level, and a public market at street level. A compact, fully curtailable compute installation shares the building — its waste heat warms the growing floors, and the site is engineered to stay under 5 MW at all times.
An existing structure in the Eastern Townships, fitted with self-contained compute pods instead of a purpose-built shell — each pod carrying its own cooling, power protection and fire suppression. Ground floor first, upper floor re-decked behind it. Carrier fibre on both sides of the border from day one, and a thermal loop sized from the outset to push recovered heat into growing space rather than out through the roof.
Operators who need Canadian-resident capacity, high-density cooling and a power story that survives due diligence. Reserve by pod, not by rack.
Hosts who want the industrial tax base and the jobs, but not a windowless box that takes power and gives back nothing. We arrive with food, heat and headcount attached.
Buyers who want predictable local volume through winter, with a supply chain measured in kilometres and an allocation reserved for regional food-security programs.
Salt develops and operates the sites it builds. Infrastructure, energy and controlled-environment agriculture in one team, because the whole point of the stack is that no one hands off at the property line.
We work in the Eastern Townships because the inputs are already there: hydroelectric power, cold winters that make recovered heat valuable, border fibre, industrial land, and towns that would rather host something that grows food than something that only draws load.
Tell us which floor of the stack you're interested in and we'll route it to the right person.