DEPLOY

Data center campus

Polaris Forge 1 (Ellendale)

Polaris Forge 1 is an AI data center campus developed by Applied Digital in North Dakota, Ellendale. 1 GW of capacity has been announced; 0.10 GW is energized. The gap is what this page tracks: what is claimed versus what is actually built, each figure dated and sourced.

Partially energized · Applied Digital · greenfield · MISO · Ellendale, North Dakota, United States

Track Polaris Forge 1 (Ellendale)

Capacity: announced vs energized

Under construction
not recorded

Announced-to-energized gap: 0.90 GW. Every figure below is a single dated, sourced claim. Current best per series resolves by evidence tier, then date. See the methodology.

40th-largest announced of 97 tracked campuses17th by energized capacity55th percentile announced-to-energized gap≈ 810,000 homes of power at full announced capacity (basis)

Promised online: 2027. Energized capacity is now on record. Claimed by Applied Digital (source).

Polaris Forge 1 (Ellendale) capacity claims
Source
Announced1 GW2025-08-30claimedpress release
Contracted0.40 GW2026-05-31verifiedsec filing
Energized0.17 GW2026-07-01claimedpress release
Energized0.10 GW2025-11-24verifiedpress release

Key facts

partially energized

Lifecycle

1 GW

Announced

0.10 GW

Energized

Applied Digital

Developer

United States

Location

MISO

Grid

greenfield

Land

4

Facilities tracked

On the data center map

Every tracked data center is on this map, centered on Polaris Forge 1. Pan or zoom out to see how close rivals are building.

Approximate pin. We hold a city-level coordinate for this campus, not a verified site coordinate, so the marker shows the city rather than the parcel. The satellite strip and building outlines stay off until the site coordinate is sourced.

Free to use on your site, with a link back to DEPLOY.
The story of Polaris Forge 1 (Ellendale)
Cooling
Proprietary waterless / closed-loop cooling

Every figure is one row in the ledger below with its source. Derived rows are pure arithmetic on the rows above (not new claims). Absent lines mean the fact isn't on record yet.

In clusterNorth Dakota(26)

The deal

utility
Otter Tail Power (MISO)
developer
Applied Digital · NASDAQ: APLD
operator
Applied Digital
offtaker
CoreWeave · 15-year take-or-pay leases, 400 MW

Power

Power source
grid
Grid operator
MISO
Interconnection
Water
Applied Digital proprietary closed-loop / waterless cooling design.

Jamestown-to-Ellendale 345 kV line (MISO Tranche 1), grid interconnect, Under construction. 345 kV transmission upgrade supporting ND data-center load; not a generation project

The MISO grid demand right now: 66.6 GW (EIA-930, 2026-09-27 07:00). Polaris Forge 1's announced 1 GW would be 1.5% of the grid's current load.

County water status: Severe drought (D2) in Dickey County, week of 2026-09-22 (US Drought Monitor). Data centers are large water users for cooling; this is the neutral local water picture.

Why here

Polaris Forge 1 sits on greenfield in North Dakota, Ellendale. It connects to the MISO grid, 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

Investment, workforce and specs

Cooling
Proprietary waterless / closed-loop cooling source

Facilities at this campus

Timeline

  2. Aug 2026
    party linked
    offtaker: linked externalName "CoreWeave" to company coreweave
  3. Sep 2026
    Current: Partially energized

Sources

baa8d3fd-aa92-4697-8df3-166687b95c75 · 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 vs Polaris Forge 2 →Polaris Forge 1 vs Jamestown HPC Campus →Polaris Forge 1 vs Polaris Campus →Polaris Forge 1 vs Delta Forge 2 →Polaris Forge 1 vs Rockdale Data Center →

Common questions

What is Polaris Forge 1 (Ellendale)?
Polaris Forge 1 (Ellendale) 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.
How much power will Polaris Forge 1 (Ellendale) use?
Polaris Forge 1 (Ellendale) has 1 GW of announced capacity on the DEPLOY registry, of which 0.10 GW is recorded as energized, an announced-to-energized gap of 0.90 GW. Each figure is individually dated and sourced.
Who is building Polaris Forge 1 (Ellendale)?
Applied Digital is recorded as a party to Polaris Forge 1 (Ellendale) on the DEPLOY registry. The full party list, with each role, is on the record.
Is Polaris Forge 1 (Ellendale) operating yet?
As of the most recent verification on the DEPLOY registry, Polaris Forge 1 (Ellendale) is partially energized. 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 (Ellendale)?
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 (Ellendale) 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 (Ellendale): AI data center campus record. Retrieved September 27, 2026, from https://registry.deploy.report/datacenters/applied-digital-ellendale-north-dakota

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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.

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