# Mega Data Center Market

> Mega Data Center Market valued at USD 89.61 billion in 2025, forecast to reach USD 309.96 billion by 2035 at 13.21% CAGR, led by AI campuses.

Publisher: DC Market Insights  
Author: Priyanka Mor, DC Market Insights  
Published: 2026-10-10  
Last updated: 2026-10-10  
Next review: Apr 2027  
Page: https://www.dcmarketinsights.com/report/mega-data-center-market

## Key takeaways

- Gigawatt Campuses Grow at 20.31% a Year and Reach 30.9% of Spend by 2035
- Liquid Cooling Moves from Pilot Halls to Whole Campuses
- Construction Costs per MW Rose 21% in the 2026 Cost Guide
- AI and GPU Cloud Builders Grow Fastest Among Operators at 18.79%

**Frequently Asked Questions**

**What is the size of the Mega Data Center Market in 2025 and 2035?**

USD 89.61 billion in 2025, rising to USD 309.96 billion by 2035 at a CAGR of 13.21%. DC Market Insights estimates the market at USD 21.83 billion in 2020.

**How fast is the Mega Data Center Market growing?**

13.21% a year from 2025 to 2035. Growth was faster, at 32.64% a year, between 2020 and 2025, and DC Market Insights forecasts a further 37.9% rise to USD 123.61 billion in 2026.

**What counts as a mega data center?**

A campus planned for 100 MW of IT capacity or more. Campuses of 1 GW and above were USD 15.10 billion or 16.9% of 2025 spend and grow fastest by size at 20.31% a year (DC Market Insights estimates).

**How much does a mega data center cost per MW?**

About USD 11.60 million per MW of IT capacity in 2025 on a global blended basis, excluding IT equipment, rising to USD 16.02 million by 2035, according to DC Market Insights estimates.

**Which component leads the Mega Data Center Market?**

Electrical infrastructure, with USD 36.26 billion or 40.5% of 2025 spend. Mechanical and cooling grows fastest among components at 15.16% a year as liquid cooling spreads.

**Which region leads the Mega Data Center Market?**

North America, with USD 42.68 billion or 47.6% of 2025 value. The Middle East and Africa grows fastest at 18.30% a year on sovereign AI campuses.

**Who are the leading companies in the Mega Data Center Market?**

Amazon Web Services leads with about 19% of 2025 facility spending, and Amazon, Microsoft and Google together hold about 48% (DC Market Insights estimate). Meta, OpenAI (Stargate), Crusoe, AirTrunk and G42 also build mega campuses.

**Which country spends the most on mega data centers?**

USD 38.11 billion in the United States, or 42.5% of 2025 spending, followed by China at USD 7.97 billion. Saudi Arabia grows fastest among large country markets at 20.02% a year (DC Market Insights estimate).

## Market by region (USD million)

## Dataset

| Series | Value | Unit |
| --- | --- | --- |
| Market size 2025 | 89,610 | USD million |
| Revenue CAGR | 13.21 | % |
| Market size 2035 | 309,960 | USD million |

## Frequently asked questions

### What is the size of the Mega Data Center Market in 2025 and 2035?

USD 89.61 billion in 2025, rising to USD 309.96 billion by 2035 at a CAGR of 13.21%. DC Market Insights estimates the market at USD 21.83 billion in 2020.

### How fast is the Mega Data Center Market growing?

13.21% a year from 2025 to 2035. Growth was faster, at 32.64% a year, between 2020 and 2025, and DC Market Insights forecasts a further 37.9% rise to USD 123.61 billion in 2026.

### What counts as a mega data center?

A campus planned for 100 MW of IT capacity or more. Campuses of 1 GW and above were USD 15.10 billion or 16.9% of 2025 spend and grow fastest by size at 20.31% a year (DC Market Insights estimates).

### How much does a mega data center cost per MW?

About USD 11.60 million per MW of IT capacity in 2025 on a global blended basis, excluding IT equipment, rising to USD 16.02 million by 2035, according to DC Market Insights estimates.

### Which component leads the Mega Data Center Market?

Electrical infrastructure, with USD 36.26 billion or 40.5% of 2025 spend. Mechanical and cooling grows fastest among components at 15.16% a year as liquid cooling spreads.

### Which region leads the Mega Data Center Market?

North America, with USD 42.68 billion or 47.6% of 2025 value. The Middle East and Africa grows fastest at 18.30% a year on sovereign AI campuses.

### Who are the leading companies in the Mega Data Center Market?

Amazon Web Services leads with about 19% of 2025 facility spending, and Amazon, Microsoft and Google together hold about 48% (DC Market Insights estimate). Meta, OpenAI (Stargate), Crusoe, AirTrunk and G42 also build mega campuses.

### Which country spends the most on mega data centers?

USD 38.11 billion in the United States, or 42.5% of 2025 spending, followed by China at USD 7.97 billion. Saudi Arabia grows fastest among large country markets at 20.02% a year (DC Market Insights estimate).

## How to cite

Data Center Market Research & Consulting | DC Market Insights, "Mega Data Center Market", updated 2026-10-10, https://www.dcmarketinsights.com/report/mega-data-center-market