Richland WA public-power JV operating Columbia Generating Station — the Pacific Northwest's only commercial nuclear plant.

DOE Hanford Site (Richland WA) — former plutonium-production complex, now the largest environmental cleanup in the US; the atomic legacy of the Tri-Cities.

DOE national laboratory in Richland WA (operated by Battelle) — energy, national security, scientific research; cornerstone of the Tri-Cities. Operator has visited.