Primm, Nevada

Combined-Cycle Power Plant Project

Client / Owner

Reliant Resources

Architect / Engineer

Sargent & Lundy




Graycor Industrial

Project Scope

Reliant Energy contracted with Bighorn Constructors -a joint venture between Graycor Industrial, Sargent & Lundy, Sachs Electric and Murphy Co.-for the design and construction of a combined-cycle power generation facility in Primm, Nevada. The work included all site work, foundations, access roads, unloading and erection of combustion turbine/generator sets, HRSGs, steam turbine/generator package and air-cooled condenser.

All subcontracts, as well as startup and commissioning were performed by the Joint Venture.

Major Equipment by Owner:

Turbines – Siemens Westinghouse 501FD Combustion Turbine Generators – 160 MW each
HRSGs – Alstom
Steam Turbine Generator Package – Alstom 230 MW
Concrete Yardage: 15,000