Anthropic signs onto a 420 MW Nova Scotia data-centre plan

Anthropic has signed a long‑term lease for the first phase of a proposed AI data centre in Point Tupper, Nova Scotia, [CBC News reported](https://www.cbc.ca/news/canada/nova‑scotia/nova‑scotia‑to‑host‑massive‑data‑centre‑to‑power‑anthropic‑s‑ai‑assistant‑claude‑9.7383129). EverWind Fuels will build and own the campus, while Anthropic's initial lease runs for at least 20 years. Anthropic told CBC the site will power Claude models and serve Canadian and international demand. For ordinary Claude users, this is infrastructure news rather than a new feature. It shows how much physical capacity AI companies are committing to secure, and it puts the costs and local effects of that capacity in one Canadian community. EverWind's own October 16 [project announcement](https://everwindfuels.com/2026/10/everwind‑announces‑10‑billion‑investment‑in‑point‑tupper‑data‑centre‑campus‑and‑renewable‑energy‑portfolio‑across‑nova‑scotia/) describes the tenant only as a leading frontier AI developer. The identification of Anthropic and the 20‑year term come from CBC's reporting, not from the named text of EverWind's release.

EverWind says the initial 95‑megawatt phase is targeted for late 2027. A second 325 MW phase is targeted for 2028, bringing the full campus to 420 MW. The company says that expansion is subject to commercial, technical and regulatory conditions. CBC puts the scale against Nova Scotia's existing system: the province has almost 3,000 MW of generating capacity. A 420 MW campus is about 14% of that figure. This comparison describes rated capacity, not a forecast that the facility will draw its maximum load every hour or that current generators alone will supply it. The first phase is already in pre‑construction, according to CBC. That is still several steps short of an operating data centre. The construction schedule, grid connection and second phase can all change.

EverWind's headline figure is more than C$10 billion in planned private investment: more than C$8 billion for the data‑centre campus and C$2 billion for four Nova Scotia wind projects. The company projects roughly 2,000 construction positions and 215 permanent operating positions across the campus and wind portfolio. Those employment, tax and GDP figures are company projections. They should be read as estimates for a proposed development, not as benefits already delivered. EverWind also says it will fund electricity infrastructure costs attributable to the project and establish a community‑benefit program worth tens of millions of dollars. The wind projects are intended to help meet the new demand, but CBC reports that existing provincial generation would supply the data centre initially. That timing matters: the first computing phase and the new renewable generation are related parts of the plan, but they are not promised to arrive as one simultaneous, self‑contained power system.

Nova Scotia's Independent Energy System Operator told CBC that it studies new projects before allowing them to connect so it can determine whether the grid can handle the load. The operator did not tell CBC whether the system has capacity for this data centre. EverWind said it had been assured there is capacity for at least the first phase. EverWind says the campus will include battery storage and will be designed to reduce or stop drawing from the grid when needed to protect reliability. Those are developer commitments; the public material reviewed here does not include a completed interconnection study, approved rate structure or operating record. For residents and ratepayers, the meaningful evidence will be the grid study, binding upgrade arrangements, regulatory approvals and eventual load profile. A large investment announcement does not by itself answer who bears every system cost or how often the campus will operate near full demand.

EverWind proposes a closed‑loop water‑glycol cooling system that relies primarily on air and uses more water during hot weather. Its preliminary estimate is about 100,000 litres of water a day for the initial phase and 500,000 litres a day at full build‑out. The company compares the full‑build figure with Landrie Lake's identified safe yield of about 34 million litres a day and calls it approximately 1%. Straight division puts 500,000 at about 1.47% of 34 million. That arithmetic does not establish environmental safety; it only clarifies the company's comparison. Seasonal conditions, other users, permits and actual operating demand still matter. CBC reports that a consortium of Mi'kmaw communities led by Membertou First Nation is negotiating a 9% equity stake. EverWind also promises local consultation and community benefits. The final ownership terms and enforceable benefit arrangements were not included in the reviewed announcement.

The next evidence is operational: a completed grid review, permits and financing, construction milestones, binding community and infrastructure terms, and proof that the initial phase actually enters service. The 2028 expansion should be treated separately until its conditions are met. The lease also connects Anthropic's rapid commercial growth to a long‑lived physical asset. OpenTools previously examined the company's [quarterly investor revenue disclosure](https://opentools.ai/news/anthropic‑q3‑revenue‑16‑8‑billion‑investor‑disclosure); this project shows one place where that growth is translating into multi‑decade infrastructure commitments. Follow further company‑specific changes on the [Anthropic organization page](https://opentools.ai/organizations/anthropic). For now, the supported conclusion is narrower than “Anthropic built a Canadian data centre.” It has committed to lease the first phase of a large proposed campus. The first phase is targeted for late 2027, and the full 420 MW build remains a plan with material technical and regulatory dependencies. *Figure by OpenTools Team; no third‑party expressive material used. It summarizes EverWind's published plan and CBC News reporting.*