Compute Institute
Ratings for the physical buildout of AI
xAI Colossus 1 (Memphis)

xAI Colossus 1 (Memphis)

Operating
Confirmed

Jurisdiction: US — Tennessee (TVA federal power / MLGW & local distributors; non-RTO)

3231 Riverport Road, Memphis (former Electrolux factory) — xAI's first supercluster: 100k GPUs in 122 days (2024), doubled in 92 more; ~150MW design draw grown to ~300MW; TVA grid via MLGW + on-site turbines (see enforcement claim).

Capacity
GPUs (est.)
Capex
Announced
Target operational

Delivery health score

52 /100
52/100

Methodology prs-v0.1 · computed · trigger: scheduled

Schedule

55 /100
55/100

Regulatory

50 /100
50/100

Infrastructure

50 /100
50/100

Capital

50 /100
50/100

Why this score — factor breakdown

Each factor below contributed to the current score. Contributions are rubric weights from methodology prs-v0.1; every factor cites the record it is derived from.

Dimension
Factor
Contribution
Cites
Narrative
Capital baseline 40 xAI Colossus 1 (Memphis) No committed capital evidenced on any entity role — announcement-only anchor region (§B.2.4).
Capital staleness decay +10 xAI Colossus 1 (Memphis) Newest capital evidence is 2024-11-07 (freshness window 12 months) — score drifts one rubric level toward the stage-default prior of 50 (§B.4: silence is information).
Infrastructure baseline 70 xAI Colossus 1 (Memphis) No-adverse-evidence infrastructure baseline (disclosed config, scoring.prs.baselines).
Infrastructure staleness decay -20 xAI Colossus 1 (Memphis) Newest infrastructure evidence is 2024-11-07 (freshness window 9 months) — score drifts one rubric level toward the stage-default prior of 50 (§B.4: silence is information).
Regulatory baseline 70 xAI Colossus 1 (Memphis) No-adverse-evidence regulatory baseline (disclosed config, scoring.prs.baselines).
Regulatory staleness decay -20 xAI Colossus 1 (Memphis) Newest regulatory evidence is 2024-11-07 (freshness window 9 months) — score drifts one rubric level toward the stage-default prior of 50 (§B.4: silence is information).
Schedule baseline 80 xAI Colossus 1 (Memphis) No-adverse-evidence schedule baseline (disclosed config, scoring.prs.baselines).
Schedule staleness decay -25 xAI Colossus 1 (Memphis) Newest schedule evidence is 2024-11-07 (freshness window 6 months) — score drifts one rubric level toward the stage-default prior of 50 (§B.4: silence is information).

Milestones

No milestones recorded for this project yet.

Constraint observations

No active constraint observations recorded against this project.

Entities & roles

Entity
Role
Ownership
Committed capital
xAI
Developer
Memphis Light, Gas and Water
Utility Provider

Sources & citations

Every substantive field on this record is backed by a canonical claim from a cited source document, graded on the E1 (strongest) – E5 (weakest) evidence ladder.

  1. WREG · Nov 7, 2024 · backs: status

    https://wreg.com/news/local/tva-approves-xai-request-for-electricity-supply/

Signals

Recent ingested source documents linked to this project via extracted claims or triage mentions, newest first.

  1. · WREG · relevance 0.95

  2. · Tennessee Valley Authority · relevance 0.30

  3. · WREG · relevance 0.90

  4. Southern Environmental Law Center · relevance 0.70

  5. Memphis Light, Gas and Water · relevance 0.70