Modern Technology, Low Impact
The peaking plants consist of either five or six Pratt & Whitney FT-8 Swift-Pac™ generation units operating in simple-cycle mode. The plants will use natural gas with low sulfur distillate fuel oil as the backup fuel. The North Carolina Electric Membership Corporation (NCEMC) owns and operates the facilities.
In the simple cycle process, natural gas is converted into electricity by producing expanding hot gas from the combustion of fuel to drive turbine rotors that are connected to an electric generator.
The plant sites will also have two fuel storage tanks, two de-mineralized water storage facilities, water treatment equipment, fire-fighting equipment, a plant control building and a substation connecting the plants to the electrical transmission network.
The plants will be started and controlled from either a remote location or an onsite control center. Most of the time, the plants will be dispatched and operated from NCEMC’s remote system dispatch facility.
Landscaping is an integral part of the environmental screening and buffer plans. The sites are already heavily vegetated. If further landscaping is desired, it will be both aesthetically attractive and functional and provide a visual and sound buffer for the facility. The plants should not be visible outside the site’s property boundaries.
The plants will cost an estimated $150 million and are expected to have operational lives between 25 to 30 years.