# Small Modular Reactor Market

> Small Modular Reactor Market valued at USD 4.92 billion in 2025, forecast to reach USD 47.11 billion by 2035 at 25.36% CAGR, lifted by data center deals.

Publisher: DC Market Insights  
Author: Satyabrat Rajawat, DC Market Insights  
Published: 2026-10-06  
Last updated: 2026-10-06  
Next review: Apr 2027  
Page: https://www.dcmarketinsights.com/report/small-modular-reactor-market

## Key takeaways

- Data Center Offtake Deals Push Data Center SMR Spending Up 36.34% a Year
- Larger Modules Grow Fastest by Power Rating at 28.92%
- First Units Cost CAD 20,333 per kW at Darlington
- Nuclear Island Equipment Becomes a USD 17.63 Billion Supply Chain

**Frequently Asked Questions**

**What is the size of the Small Modular Reactor Market in 2025 and 2035?**

USD 4.92 billion in 2025, rising to USD 47.11 billion by 2035. DC Market Insights estimates the market at USD 1.61 billion in 2020.

**How fast is the Small Modular Reactor Market growing?**

25.36% a year from 2025 to 2035, after 24.95% a year between 2020 and 2025, as construction spending overtakes design and licensing work (DC Market Insights estimate).

**Which reactor type leads the Small Modular Reactor Market?**

Light-water SMRs, with USD 2.56 billion or 52.0% of 2025 spending. Molten salt and salt-cooled reactors grow fastest among reactor types at 29.01% a year.

**How much do data centers spend on small modular reactors?**

USD 467.11 million in 2025, or 9.5% of the market, rising to USD 10.36 billion by 2035. Data centers and AI campuses are the fastest-growing application at 36.34% a year.

**How much does a small modular reactor cost per kW?**

About USD 12,500 per kW for projects started in 2025, falling to USD 8,584 per kW for 2035 starts, according to DC Market Insights estimates covering construction and equipment.

**Which region leads the Small Modular Reactor Market?**

North America, with USD 1.99 billion or 40.5% of 2025 spending. The Middle East and Africa grows fastest at 28.79% a year.

**Which country spends the most on small modular reactors?**

USD 1.48 billion in the United States, or 30.1% of 2025 spending, followed by China at USD 875.22 million. Saudi Arabia grows fastest at 31.39% a year (DC Market Insights estimate).

**Who are the leading companies in the Small Modular Reactor Market?**

CNNC, Rosatom and GE Vernova Hitachi together account for about 40% of 2025 spending (DC Market Insights estimate). NuScale, Rolls-Royce SMR, Holtec, TerraPower, X-energy, Kairos Power and Oklo also compete.

## Market by region (USD million)

## Dataset

| Series | Value | Unit |
| --- | --- | --- |
| Market size 2025 | 4,920 | USD million |
| Revenue CAGR | 25.36 | % |
| Market size 2035 | 47,110 | USD million |

## Frequently asked questions

### What is the size of the Small Modular Reactor Market in 2025 and 2035?

USD 4.92 billion in 2025, rising to USD 47.11 billion by 2035. DC Market Insights estimates the market at USD 1.61 billion in 2020.

### How fast is the Small Modular Reactor Market growing?

25.36% a year from 2025 to 2035, after 24.95% a year between 2020 and 2025, as construction spending overtakes design and licensing work (DC Market Insights estimate).

### Which reactor type leads the Small Modular Reactor Market?

Light-water SMRs, with USD 2.56 billion or 52.0% of 2025 spending. Molten salt and salt-cooled reactors grow fastest among reactor types at 29.01% a year.

### How much do data centers spend on small modular reactors?

USD 467.11 million in 2025, or 9.5% of the market, rising to USD 10.36 billion by 2035. Data centers and AI campuses are the fastest-growing application at 36.34% a year.

### How much does a small modular reactor cost per kW?

About USD 12,500 per kW for projects started in 2025, falling to USD 8,584 per kW for 2035 starts, according to DC Market Insights estimates covering construction and equipment.

### Which region leads the Small Modular Reactor Market?

North America, with USD 1.99 billion or 40.5% of 2025 spending. The Middle East and Africa grows fastest at 28.79% a year.

### Which country spends the most on small modular reactors?

USD 1.48 billion in the United States, or 30.1% of 2025 spending, followed by China at USD 875.22 million. Saudi Arabia grows fastest at 31.39% a year (DC Market Insights estimate).

### Who are the leading companies in the Small Modular Reactor Market?

CNNC, Rosatom and GE Vernova Hitachi together account for about 40% of 2025 spending (DC Market Insights estimate). NuScale, Rolls-Royce SMR, Holtec, TerraPower, X-energy, Kairos Power and Oklo also compete.

## How to cite

Data Center Market Research & Consulting | DC Market Insights, "Small Modular Reactor Market", updated 2026-10-06, https://www.dcmarketinsights.com/report/small-modular-reactor-market