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Comanche 3 Power Station Expansion, CO, USA

Announcement of Contract

April 2004

Site Preparation Work Started

September 2005

Construction of Unit 3

January 2006

Start of Operation




Plant Type

Super-critical pulverized coal


Comanche Station near Pueblo, Colorado

Estimated Investment


Estimated Employment

1,000 construction jobs, 40 extra full-time plant jobs

Plant Owner

Public Service Co. of Colorado, doing business as Xcel Energy

Project Management

Alstom will design, supply, erect and commission the high-efficiency, supercritical boiler


Mitsubishi Heavy Industries (MHI)

Supercritical Boiler



Low-sulphur coal

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