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United States · asset class
Data Centres in United States
The United States has 25 data centres mapped on the OverWatts open energy atlas — the 1st-largest fleet of the 35 countries that hold any, and 33% of the world's mapped total. Of these, 17 operating and 8 under construction or proposed. The largest is Meta Hyperion (5.0 GW).
The largest owner-operators are Multiple (colocation hub) (9), OpenAI (5) and Google (4) — Multiple (colocation hub) alone is named on 36% of them. 8 are in the pipeline, led by Meta Hyperion (5.0 GW), under construction.
25
Data Centre in United States
#1
of 35 countries
8
In construction / proposed
On the interactive map
Largest data centres in United States
- Meta Hyperion5.0 GW · 2027 · construction
- AWS Project Rainier2.2 GW · 2025 · construction
- Stargate — Abilene1.2 GW · 2025 · construction
- xAI Colossus1.1 GW · 2024
- Meta Prometheus1.0 GW · 2026 · construction
- Stargate — Lordstown1.0 GW · 2027 · proposed
- Stargate — Milam County1.0 GW · 2027 · proposed
- Stargate — Doña Ana1.0 GW · 2027 · proposed
- Microsoft Fairwater900 MW · 2026 · construction
Who owns United States's data centres
- Multiple (colocation hub)9 36%
- OpenAI5 20%
- Google4 16%
- Meta4 16%
- Oracle4 16%
- Microsoft3 12%
- others3 12%
- Switch2 8%
Counts an asset once per company named as its owner or operator; a joint venture counts for each partner.
Under construction & proposed
- Meta Hyperion5.0 GW · 2027 · construction
- AWS Project Rainier2.2 GW · 2025 · construction
- Stargate — Abilene1.2 GW · 2025 · construction
- Meta Prometheus1.0 GW · 2026 · construction
- Stargate — Lordstown1.0 GW · 2027 · proposed
- Stargate — Milam County1.0 GW · 2027 · proposed
- Stargate — Doña Ana1.0 GW · 2027 · proposed
- Microsoft Fairwater900 MW · 2026 · construction
How United States compares · data centres by country
Frequently asked
- How many data centres are there in United States?
- OverWatts maps 25 data centres in United States — 33% of the world's mapped total, the 1st-largest national fleet of the 35 countries with any.
- What is the largest data centre in United States?
- Meta Hyperion, at 5.0 GW, operated by Meta.
- Who owns the data centres in United States?
- Multiple (colocation hub) is named as owner or operator on the most — 9 of 25 (36%). Next are OpenAI (5), Google (4) and Meta (4).
- What new data centres are being built in United States?
- 8 projects are under construction or proposed. The largest are Meta Hyperion (5.0 GW), AWS Project Rainier (2.2 GW) and Stargate — Abilene (1.2 GW).