Siemens has entered an agreement with Duke Energy to support development of gas turbine technologies.

The agreement involves Duke Energy’s plan to expand its Lincoln County Combustion Turbine (LCCT) generation site in North Carolina, US.

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Duke Energy has submitted a proposal to the North Carolina Utilities Commission (NCUC) for the expansion, which will see Siemens as the engineering, procurement, and construction (EPC) contractor, supplying its advanced gas turbine unit.

If approved early, Siemens will able to build and test its latest gas turbine technology and is expected to supply 400MWof peak hour energy for the Duke Energy customers in the Carolinas by 2024. Following construction, testing, and validation, Siemens will turn over the new unit to Duke Energy for operation. 

"This new technology will provide us with flexible peaking power needed to complement intermittent solar energy resources for our customers and lower emissions across our fleet."

Duke Energy's North Carolina president David Fountain said: “This unique arrangement with Siemens offers a significant cost savings to our customers while providing one of the most advanced, efficient gas turbine units in the US.

“This new technology will provide us with flexible peaking power needed to complement intermittent solar energy resources for our customers and lower emissions across our fleet.”

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Construction of the site expansion is expected to begin next year, while testing of the gas turbine is set to start in 2020 on Duke Energy's 746 acre site near Denver, North Carolina.

The site currently features 16 gas-fuelled, simple-cycle combustion turbines capable of generating 1,200MW of power.

Image: Rendering of Duke Energy’s LCCT generation site expansion. Photo: courtesy of Siemens