Societypublished as isOutside the levels infrastructureInfrastructure, outside the levelsInfrastructure18 entriesFigures published by others, reproduced as they are; they cut across the territories without adding to them.Database structure 
6Territories
5Organisations
4Occupations and activities
3Uses
2Machine operations
1Calculation factorsTop four cloud providers
The electricity of the 4 companies that run the most data centres in the world (Amazon Web Services, Microsoft, Alphabet, Meta).
- The figure covers the electricity of Amazon Web Services, Microsoft, Alphabet and Meta, based on their own figures.
- Consumption includes uses other than AI; AI's share is not isolated in this figure.
- Out of scope: hardware manufacturing and water.
Sentence to citeTop four cloud providers: 110 TWh of electricity, figure published by the IEA.
Origin of the value
Estimated by the IEA from their figures. About a quarter of the electricity of all data centres in the world.
Comparison with other infrastructure entries
Characteristics
| Unit | 1 year |
|---|---|
| Location | not applicable: a published total does not depend on the location of the servers |
| Counted | the electricity of Amazon Web Services, Microsoft, Alphabet and Meta, based on their own figures |
| Not counted | hardware manufacturing and water |
| Status | published, 1 reading with the same scope |
All the characteristics
| Identifier | IA-0109, projetcelsius.com/en/ai/database/IA-0109/ |
|---|---|
| Version | 0.3 of 2 November 2026 |
| Category | Infrastructure, published as is |
| Choice of the selected value | value taken as it stands from its source, without calculation |
| Sources | IEA, 2026 |
| Compared with | Chip manufacturing (984 GWh), Data centres, Ireland (7.66 TWh), Meta (18.4 TWh), Microsoft (37 TWh), Google (43.6 TWh) |
| Licence | CC BY 4.0 |
Sources of the calculation
1 publication, for this entry and those used to calculate it, with the chosen parameters.
Energy and factors
The references of the selected values and of the entries used in this calculation.
IEA · April 2026
Role and limits : IEA
Author. International Energy Agency
What the publication covers. data centres worldwide, scenarios to 2035, large companies in the sector
What it does not cover. cryptocurrencies
Reading by the database. The 2026 update of the reference for the main aggregates
Reference of the selected value
Scope of the figure used. Amazon Web Services, Microsoft, Alphabet and Meta, 2024, based on company data
Limit. Amazon Web Services' share is deduced from its water figures: the company does not publish it
Published values
1 figure for the same quantity, each within its own scope.
| Source | Date | Electricity | What the figure measures | Scope | Status |
|---|---|---|---|---|---|
| Top four cloud providersselected by the database, v0.3 | 2026 | 110 TWh | the value selected by the database | same scope | published |
| IEA, Key Questions on Energy and AI ↗Key Questions on Energy and AI | Apr. 2026 | 110 TWh | Amazon Web Services, Microsoft, Alphabet and Meta, 2024, based on company data | same scope | estimated |
The published figures do not all count the same scope; the scope of each figure is written next to it. Why do the estimates diverge?
Methodology conventions
With their alternatives
| The rule | a published total is reproduced as is, with its year and scope; it is not converted with an average factor and does not add to the database's calculations |
|---|---|
| Calculate a case without an entry | The formula, the default values and a step-by-step example |
History
Entry in version 0.3 of 2 November 2026, in the database in version 0.4
- 2 November 2026Title : The four largest cloud providers, in one year becomes The four largest cloud providers, in 2024.The year of the data appears in the title, and so in the citable sentence and on the card.
- 2 November 2026Designation : The four largest cloud providers, in 2024 becomes Top four cloud providers, 2024.More precise designation: the object first, the specification after the comma, the quantity or period at the end; the former title remains searchable.
- 2 November 2026Designation : Top four cloud providers, 2024 becomes Top four cloud providers.The year becomes a variant, and leaves the name.
- 2 November 2026Address : quatre-premiers-du-cloud-2024 becomes quatre-premiers-du-cloud.The year leaves the address; keep the old one in the redirects.
- 1st November 2026Creation : version 0.1.Entry added: the four largest cloud providers, IEA estimate for 2024.
- 31 October 2026Creation of the database, in its first version (0.1).
