County water status: Moderate drought (D1) in Dickey County, week of 2026-08-25 (US Drought Monitor). Data centers are large water users for cooling; this is the neutral local water picture.

Why here

Polaris Forge 1 Building 3 is in North Dakota, Ellendale. It draws on grid power. This siting summary is composed from the record's held fields, not speculation; see methodology.

Regulatory paper trail

The filings and rules on record for this site and its jurisdiction, most recent first. Each is a sourced, dated artifact you can follow to the primary document.

NHTSA Recall: Zoox Robotaxi Software Update for Heavy Smoke Visibility (26E044)operational restriction · 2026-07-15 · United States

FCC Proposed Fines Against Drone Companies (July 2026)other · 2026-07-10 · United States

FAA Proposed Rule: Enabling Supersonic Overland Flight (July 2026)operational restriction · 2026-07-02 · United States

Sources

Polaris Forge 1 Building 3 — coreweave facility

70a07e68-8941-4a07-85e5-5a4c7eb10053 · Tracked with DEPLOY's verified-vs-claimed methodology. Every term is defined in the glossary. Announced numbers are claims, not built capacity.

Head-to-head

Polaris Forge 1 Building 3 vs Polaris Forge 1 Building 2 →Polaris Forge 1 Building 3 vs Polaris Forge 1 Building 1 →Polaris Forge 1 Building 3 vs Wyoming campus →Polaris Forge 1 Building 3 vs Chester →Polaris Forge 1 Building 3 vs Kenilworth →

Common questions

What is Polaris Forge 1 Building 3?

Polaris Forge 1 Building 3 is an AI data center campus tracked on the DEPLOY registry, located in Ellendale. DEPLOY records its capacity as a dated, sourced ledger: announced gigawatts versus actually energized gigawatts, never a press-release total.

Who is building Polaris Forge 1 Building 3?

CoreWeave is recorded as a party to Polaris Forge 1 Building 3 on the DEPLOY registry. The full party list, with each role, is on the record.

Is Polaris Forge 1 Building 3 operating yet?

As of the most recent verification on the DEPLOY registry, Polaris Forge 1 Building 3 is announced but not yet built. DEPLOY tracks the lifecycle from announced through energized, so the current state reflects sourced evidence, not the original announcement.

How verified is the data on Polaris Forge 1 Building 3?

A human editor has reviewed this record for the indexed registry. Every capacity figure is an append-only, dated claim resolved to the highest-evidence tier; superseded claims are kept but excluded from the current view.

Deploy Watch

Track Polaris Forge 1 Building 3 on Deploy.

We notify you when energized capacity, lifecycle state, or a new dated capacity claim changes against primary-source evidence, not when the developer issues a press release.

Cite this page

DEPLOY. (2026). Polaris Forge 1 Building 3: AI data center campus record. Retrieved August 28, 2026, from https://registry.deploy.report/datacenters/coreweave-polaris-forge-1-building-3

More citation formats (MLA, Chicago, BibTeX) →

CC BY 4.0

The verified data on this page is available under a Creative Commons Attribution 4.0 license: reuse the facts freely, with attribution to DEPLOY (deploy.report). The prose, design, and any imagery are not included and keep their own rights.

Machine-readable surfaces

Markdown mirror: /datacenters/coreweave-polaris-forge-1-building-3.md
JSON-LD: embedded in this page’s head
REST API: /v1/datacenters/coreweave-polaris-forge-1-building-3
Data documentation: /data
Query this programmatically: Deploy MCP

Capacity: announced vs energized

Key facts

Reported facts

On the data center map

The deal

Power