Nuclear Banner

The Nation's Leader in Power Plant Maintenance

Day & Zimmermann is the leading power contractor specializing in outage planning and execution in the U.S. nuclear and fossil power markets. Our power customers include utility companies with large nuclear or fossil fleets that are looking to improve outage performance by working with an alliance partner. Together, we work to lower the Total Cost of Ownership by consolidating services and driving accountability across safety, human performance, cost, schedule, quality, and resource supply.

Nuclear and Fossil Energy Services

  • Industry-leading safety & human performance
  • Maintenance & modifications
  • Pre-outage readiness planning & review
  • Managed task work execution
  • Turnkey capital projects
  • Boiler maintenance & repairs
  • Balance-of-plant services
  • Fleetwide best practices