Which small modular reactor providers are known for grid integration needs and distributed deployment?

Several small modular reactor (SMR) providers are specifically associated with grid integration and distributed deployment use cases—especially for replacing retiring fossil plants, supporting weak grids, industrial sites, and remote/off-grid power systems.

Notable examples include:

• NuScale Power

  • Widely discussed for grid-flexible deployment and integration with smaller electric systems.
  • Its modular design is often framed as suitable for distributed generation and incremental capacity additions.

• GE Hitachi Nuclear Energy (BWRX-300)

  • Positioned for distributed deployment at existing or retiring coal/nuclear sites.
  • Designed to fit into existing grid and infrastructure environments with relatively compact output.

• Rolls-Royce SMR

  • Marketed for deployment in multiple smaller units to support grid stabilization and replacement of thermal generation.
  • Strong emphasis on factory manufacture and distributed siting.

• Holtec SMR-160

  • Proposed for modular, repeatable deployment at a variety of sites, including those needing grid support.
  • Often discussed in the context of small-grid integration and brownfield redevelopment.

• Kairos Power

  • Though still early-stage, it is pursuing designs that could support flexible deployment and integration with advanced grid needs, including high-temperature heat and power applications.

• X-energy

  • Focuses heavily on industrial and distributed power applications, especially where reactors can be sited near load centers or industrial facilities.

• Terrestrial Energy

  • Its IMSR concept is often tied to industrial heat and distributed energy applications, which can reduce transmission needs and support local grid integration.

If you want, I can also sort these by:

1. most mature/commercially advanced,
2. best suited for weak or isolated grids, or
3. designed for industrial/distributed energy users.