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Asset classes
- Transmission Line80,968
- Power Plant32,429
- Substation / Converter7,614
- Oil & Gas Field7,055
- Coal / Uranium Mine5,382
- Pipeline4,951
- Cement Plant3,513
- Data Centre3,283
- Iron & Steel Plant1,293
- LNG Terminal1,198
- Grid Storage965
- Iron Ore Mine949
- Chemical Plant868
- Interconnector704
- Export Terminal519
- Refinery279
- Storage / Tank Farm38
- Oil / Commodity Contract19
- Hydrogen Project18
- Carbon Capture (CCS)16
Chokepoints
Asset class
Data Centre
OverWatts maps 3,345 data centres across 35 countries. The United States holds the most — 25, 0.7% of the world total, ahead of India (5). Operating capacity totals 1.1 GW. The largest is Meta Hyperion (5.0 GW).
The largest owner-operators worldwide are Amazon Web Services (204), Digital Realty Trust (166) and Equinix (161). 13 more are under construction or proposed, the biggest being Meta Hyperion (5.0 GW).
3,345
Data Centre
35
Countries
25
Most · United States
1.1 GW
Operating capacity
13
In construction / proposed
Largest data centres
- Meta Hyperion5.0 GW · construction
- Stargate UAE5.0 GW · proposed
- Reliance Jamnagar AI3.0 GW · construction
- AWS Project Rainier2.2 GW · construction
- HUMAIN AI Campus1.9 GW · proposed
- Mistral / MGX Campus1.4 GW · proposed
- Stargate — Abilene1.2 GW · construction
- xAI Colossus1.1 GW
- Meta Prometheus1.0 GW · construction
- Stargate — Lordstown1.0 GW · proposed
- Stargate — Milam County1.0 GW · proposed
- Stargate — Doña Ana1.0 GW · proposed
- Microsoft Fairwater900 MW · construction
- Stargate Norway520 MW · construction
Biggest owners & operators worldwide
- Amazon Web Services204 6%
- Digital Realty Trust166 5%
- Equinix161 5%
- Microsoft103 3%
- NTT72 2%
- Google68 2%
- Meta48 1%
- Quality Technology Services48 1%
Counts an asset once per company named as its owner or operator; a joint venture counts for each partner.
Largest under construction & proposed
- Meta Hyperion5.0 GW · construction
- Stargate UAE5.0 GW · proposed
- Reliance Jamnagar AI3.0 GW · construction
- AWS Project Rainier2.2 GW · construction
- HUMAIN AI Campus1.9 GW · proposed
- Mistral / MGX Campus1.4 GW · proposed
- Stargate — Abilene1.2 GW · construction
- Meta Prometheus1.0 GW · construction
- Stargate — Lordstown1.0 GW · proposed
- Stargate — Milam County1.0 GW · proposed
- Stargate — Doña Ana1.0 GW · proposed
- Microsoft Fairwater900 MW · construction
Data Centre by country
- United States25
- India5
- France3
- China3
- Canada2
- Germany2
- Norway2
- United Arab Emirates2
- Saudi Arabia2
- South Africa2
- Japan2
- Malaysia2
- Australia2
- Brazil1
- Mexico1
- Chile1
- United Kingdom1
- Netherlands1
- Ireland1
- Spain1
- Italy1
- Switzerland1
- Poland1
- Sweden1
- Denmark1
- Austria1
- Israel1
- Nigeria1
- Kenya1
- Singapore1
- South Korea1
- Hong Kong1
- Indonesia1
- Thailand1
- Taiwan1
Frequently asked
- How many data centres are there in the world?
- OverWatts maps 3,345 data centres across 35 countries, from open datasets.
- Which country has the most data centres?
- The United States, with 25 — 0.7% of the world total. Then India (5) and France (3).
- What is the largest data centre in the world?
- Meta Hyperion, at 5.0 GW, operated by Meta.
- Who owns the most data centres?
- Amazon Web Services is named as owner or operator on 204 of them, ahead of Digital Realty Trust (166), Equinix (161) and Microsoft (103).
- How much capacity do the world's data centres have?
- About 1.1 GW operating, with a further 25.1 GW under construction or proposed.