Amazon Funds Indiana SMR Nuclear Project for Datacenter Power
Amazon commits to unproven small modular reactor technology to power future Indiana datacenters.
1Datacenter Power Strategy
Amazon is funding the development of a new nuclear facility in Sullivan County, Indiana, to supply its datacenters. The project aims to generate nearly 1 gigawatt of power using 12 small modular reactors. Amazon will act as the primary power purchaser, aiming to secure long-term energy stability for its expanding infrastructure.
2Technology and Partners
The project utilizes X-energy's Xe-100 model, which features small modular reactors powered by TRISO fuel pellets and cooled by helium gas. While Amazon has committed an undisclosed amount of cash, it explicitly stated it will not participate in the regulatory approval process, positioning itself solely as an investor and future customer.
3Timeline and Uncertainty
The facility is projected to come online as early as the mid-2030s, though representatives acknowledge this timeline remains highly speculative. Given the immature state of next-generation nuclear technology in the United States, the project faces significant development hurdles. The actual completion date remains subject to change as the project progresses through various phases.
4Regulatory Approval Pathways
Nuclear developers in the US must navigate two primary NRC pathways: standard design approval or site-specific permits. Standard design approval allows for widespread replication, while site-specific permits are localized. X-energy currently lacks a standard design approval, meaning the Indiana project must undergo its own unique regulatory review process to proceed toward construction.
5Industry Context Challenges
The US nuclear sector has yet to build a single operable small modular reactor, contrasting with functional deployments in China and Russia. While Nuscale holds a standard design approval, it has not constructed a reactor and recently abandoned a Utah plant. This environment highlights the significant technical and economic risks facing Amazon's investment.
6Site-Specific Permit Hurdles
Because nuclear construction permits are site-specific, the Indiana project cannot rely on X-energy's separate efforts in Texas. The Texas plant involves only four reactors, whereas the Indiana site plans for 12, potentially complicating the regulatory path. Amazon's lack of involvement in the permitting process leaves the project's regulatory success entirely to X-energy.
7De-risking New Technology
Amazon frames its investment as a necessary step to de-risk and scale emerging nuclear technologies. By committing to be the first customer, the company provides the financial foundation required for commercial viability. This strategy mirrors other tech giants attempting to secure carbon-free energy sources for their massive, power-hungry datacenter operations.
8Future Outlook Analysis
Despite the ambitious scale of the 960-megawatt facility, the project remains in the speculative column. The combination of unproven reactor designs, complex NRC permitting requirements, and the absence of operational SMRs in the US suggests a long road ahead. Success depends on overcoming both technical design challenges and rigorous regulatory oversight requirements.