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Edwardsport IGCC Station

Craig Marchino – Technical Manager

Station Overview

Generation

Net Output: 618 MW

Heat Rate: <10,000 Btu/kWh

Expected Availability

75% for first 15 months post commercial

85% for life of plant

Dual Fuel Capability

Syngas

Natural Gas

Blending

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Edwardsport IGCC Project Timeline

Project Approval

March 2008

Construction Start Date

May 2008

Significant Construction Completion

December 2011

First Fire (Syngas)

October 2012

Commercial Operation

June 2013

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Construction Highlights

Key Commodities

Earthwork – 2.9 MM CY

Concrete – 133,000 CY

Structural Steel – 25,000 Tons

Piping – 770,000 LF

Electrical Cable – 6,300,000 LF

Terminations – 214,000

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Site View – October 2008

Plant Configuration

Power Block

2 on 1 Configuration

Combustion Turbines

GE – 7FB Syngas

236 MW (ea)

Steam Turbine

GE – G13

322 MW

HRSG’s

Doosan Heavy Industries

Plant Configuration, cont.

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Process Block

Dual Train Configuration

Air Products Supplied ASU

GE Gasification Technology

Claus Sulfur Recovery Unit

UOP Acid Gas Removal System

HPD/Burns & McDonnell Grey Water Treatment Process

Project Challenges….

Design Integration/Interface Management

Training/Procedure Development

Overall Project Duration

Equipment Obsolescence/Support

Material Staging

Merging Process & Utility Operating Cultures

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Operational Success

Vendor Support

General Electric

Fisher Control Valves

Nalco

Air Products

And more….

Experienced Technology Consultants

Synthesis Services

DAPCO

Cicerone & Associates

And more……

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0

500

1,000

1,500

2,000

2,500

3,000

Syngas (Dekatherms x 1000) Fuel for Generation

Syngas Fuel for Generation

Pre-Cml 2012 Pre-Cml 2013 Cml

Site Overview – Fall 2007

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Site Overview – Fall 2008

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Site Overview – Fall 2009

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Site Overview – Fall 2010

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Site Overview – Fall 2011

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Site Overview – 2012

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