Siemens to supply control system to Oklahoma natural gas plant

Alpharetta, Ga., February 3, 2010 — Siemens Energy Instrumentation, Controls and Electrical won a contract to supply and install its power plant automation T3000 control system to AECI’s Chouteau 2 Power Plant.

This new plant will use grey market equipment including two Siemens SGT6-4000F natural gas turbines and one Siemens SST5-5000 steam turbine.

Siemens will upgrade the control systems for all three turbines, and also provide the balance of plant (BOP) controls using the SPPA-T3000 control system.

The Siemens scope of supply also includes upgrading the existing excitation systems and starting frequency converters (SES/SFC).

Recognized nationally for its customer satisfaction and efficient performance, AECI’s Chouteau Power Plant is a combined-cycle, natural gas plant located in northeastern Oklahoma.

AECI is developing this additional resource to meet projected energy requirements. Recent forecasts suggest that its existing generating assets will not be enough to meet expected growth in electricity demand.

To ensure continued reliability, AECI decided to start the construction of another combined-cycle natural gas power plant at the existing Chouteau plant site in Pryor, Oklahoma.

The Chouteau 2 Power Plant is expected to be completed in 2011. Upon project completion, the new control system will provide AECI the availability and reliability required to meet challenging energy needs in the cooperative’s service areas of Northeast Oklahoma, southeast Iowa and rural Missouri.

The SPPA-T3000 is a Web-based power plant I&C system specifically designed to implement total power plant and turbine controls on a common, easy-to-use control platform.

The system can be integrated seamlessly into existing IT landscapes, independent of the original equipment manufacturer (OEM), to provide real-time functionalities for operations, engineering, diagnostics, archiving, alarm and field devices. With a secured java-enabled interface, authorized users can gain access securely at virtually any time from virtually any location.

In addition, Embedded Component Services technology can help simplify power plant operation and maintenance and enable plant operators to run individual power plant units in a flexible operating mode to match the demand.


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