NuScale Power, Inc., the developer of a modular, scalable 45 MW light water reactor, has suspended operations.

A Securities & Exchange Commission civil action against NuScale Power Inc.’s principal investor has prevented the firm from meeting fund obligations to NuScale and has forced NuScale to reduce its spending.

The SEC action, though, does not allege any wrongdoing on the part of NuScale or its activities.

The company, founded in 2007 from research conducted at Oregon State, has raised $35 million in venture capita