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Helios data center campus (CoreWeave)

Galaxy Digital (owner); CoreWeave (tenant, 15-year leases)

Status
Partially operational; Phase 2 registered (TDLR)
Developer / parties
Galaxy Digital (owner); CoreWeave (tenant, 15-year leases)
Location
West Texas (Dickens County), Dickens County
Size
Phase I: ~200 MW gross / 133 MW critical IT delivered; CoreWeave committed to 526 MW critical IT (800 MW gross) across Phases I–III; total approved power 1.63 GW with potential up to 3.6 GW; 2,200+ acres (Galaxy, Jul 2026)
Investment
TDLR est. costs as filed: Helios Light Speed $800M; Helios 2 $900M; Helios 3 and Helios 4 $1.3B each
Reported benefits
CoreWeave leases expected to generate more than $1B in average annual revenue to Galaxy (company)
Last verified
2026-10-18

Milestones

Figures are attributed in parentheses to the outlet or company that reported them. Where sources disagree, we show both.

  1. Jul 2021 ground broken and May 2022 operations began as an Argo Blockchain bitcoin mine
  2. late 2022 Galaxy bought the site from Argo for ~$65M (DCD)
  3. ERCOT approved an additional 830 MW after a Large Load Interconnection Study and Galaxy executed a service agreement with AEP Texas for it (DCD; date not stated in the opened text)
  4. Q2 2026 Phase I rent commencement
  5. Jul 2026 Phase I delivered
  6. Phase II (260 MW critical IT) data hall deliveries expected from H1 2027 (Galaxy)
  7. Feb 18 2025 'Helios Light Speed' registered at 984 County Road 112, Afton (a 136,057 sq ft data center and an 11,400 sq ft water treatment building; owner Galaxy Helios I LLC; completion Jun 30 2026; Review Complete)
  8. Mar 13 2026 'Galaxy Helios Phase 2' Helios 2 (199,124 sq ft), Helios 3 and Helios 4 (349,594 sq ft each) registered at 1003 FM 193, Afton (owner Galaxy Helios II LLC; completions Feb 8 2027, Aug 29 2027 and Nov 29 2027; Review Complete) (TDLR, found Oct 18 2026)

Linked power & water

Power

  • News report ERCOT 830 MW approval; AEP Texas service; WETT transmission: ERCOT approved an additional 830 MW; Galaxy executed a service agreement with AEP Texas; Wind Energy Transmission Texas is the transmission interconnection provider (DCD). datacenterdynamics.com ↗

Water

  • Official record Water treatment building (11,400 sq ft): The 'Helios Light Speed' TDLR filing includes an 11,400 sq ft water treatment building alongside the 136,057 sq ft data center (TDLR). tdlr.texas.gov ↗

Power and water projects tied to this data center: on-site or dedicated generation, utility and grid capacity deals, substations, water supply, reclaimed water and wastewater permits. Each item is labeled by source type.

Related records

2026-03-13
Building registration (TDLR) Official record Dickens County · Helios data center campus (CoreWeave)

TDLR TABS: 'Galaxy Helios Phase 2' Helios 2, 3 and 4 data center/office buildings, est. $900M, $1.3B and $1.3B, 1003 FM 193, Afton.

Source: tdlr.texas.gov ↗
2025-02-18
Building registration (TDLR) Official record Dickens County · Helios data center campus (CoreWeave)

TDLR TABS: 'Helios Light Speed', 136,057 sq ft data center plus 11,400 sq ft water treatment building, est. $800M, Afton; owner Galaxy Helios I LLC.

Source: tdlr.texas.gov ↗

Sources

Found an error? Email [email protected] with a source link.

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