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Research Experience in Carbon SequestrationJune 21, 2013

Update on the Plant Barry CarbonCapture and Geologic Storage

Demonstration Project

Richard A. Esposito, Ph.D.

Southern Company

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Plant Barry CCS Demonstration

Carbon capture from Plant Barry(equivalent to 25MW of electricity).

12 mile CO 2 pipeline constructed byDenbury Resources.

CO2

injec on into ~9,400 J. deepsaline forma on (Paluxy) aboveCitronelle Field.

Monitoring of CO 2 storage duringinjec on and three years post-injec on.

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Status (as of May 30 2013)

139,200 metric tons captured (since uly 2011) CO2 capture unit ran intermiSently 14 months prior to start of storage

program. 55,866 metric tons injected & stored (since August 2012)

9 months elapsed between gran ng of Class V permit and authoriza on toinject.

IntermiSent opera ons based on forced and planned outages and dispatch

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Flue Gas / Utilities

Capture Project Sequestration Project

Plant Barry

(APC)

Capture Plant

(SCS/EPRI)

Sequestration

Operations

Pore Space

Alabama Power Company Denbury Resources

Pipeline

SO collaborating with MHI Location: APC s Plant Barry Execution/contracting: SO

Project: DOE s SECARB Phase III Prime contractors: SSEB and EPRI CO 2 : Southern Company supplying Sequestration: Denbury Citronelle Field ARI - monitoring and geology

CO2

Mobile

Montgomery

Birmingham

Citronelle Oil FieldPlant Barry, Bucks AL

Alabama Project Partner Framework

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Organization Chart

Advanced ResourcesInternational

Storage

TransportCapture

Permi\ng

Plant Integra on& Construc on

iteHost

MMAAc vi es

FieldOpera ons

ReservoirModeling

Publiceduca on/outreach

UICPermi\ng

GeologicModeling

Mitsubishi HeavyIndustries

Design TechnologyProvider

AdvancedAmines

EconomicEvalua on

KnowledgeTransfer

3rd PartyEvalua on

NEPA Prepara on

DOE

ite Prep/Drilling

Contractors

Field

Opera ons

ite

Host

DenburyResources

SO. STATES ENERGY BOARD

DenburyResources

Pipeline

Permi\ng &Construc on

Field

Opera ons

Pipeline

Design

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25-MW CCS Demo

World

s largest carbon capture facility on a fossil-fueled power plant

90% CO 2 capture @ 99.97 purity Capture operations began in June

2011 with integrated injectionoperations in August 2012

300 feet

150 feet

Alabama Power Plant Barry

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Construction snapshot

2010 2013

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Right-of-Way Ownership 1 mi (2 km) inside Plant Barry property 8 mi (13 km) along existing power corridor 2 mi (3 km) undisturbed forested land Permanent cleared width 20 ft (6 m) Temporary construction width 40 ft (12 m)

Right-of-Way Habitat 9 mi (14.5 km) of forested and commercial

timber land

3 mi (5 km) of emergent, shrub, andforested wetlands Endangered Gopher Tortoise habitat

110 burrows in or adjacent toconstruction area

Pipeline Right-of-Way

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Directional drilled 18 sectionsof the pipeline under roads,

utilities, railroad tracks,tortoise colonies, andwetlands (some up to 3,000

feet long and up to 60 ftdeep).

DOT 29 CFR 195 liquidpipeline; buried 5 feet

with surfacevegetation

maintenance.

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Mainline valve station along pipeline Check meter station & building at Citronelle Field

CO2 Pipeline and Injection Infrastructure

Horizontal CO 2 Booster Pump @ D-9-7 #2 Wellsite

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Storage Scope & Objectives

Scope: Demonstrate safe, secure CO 2 injection

and storage in regionally significant salinereservoirs in the southeast U.S. region

Objectives: Perform risk registry and assessment Evaluate storage capacity and injectivity Test the adaptation of commercially

available oil field tools and techniques for

monitoring CO 2 storage Permit pipeline and injection, stakeholder

acceptance through outreach & education

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Project Integration Questions

The demonstra on of integra on of capture from a coal-redpower plant with transport and injec on into a deep salineforma on is pioneering for a CC project.

Key integra on ques ons: What business rela onships and contracts must be

established?

How can CO 2 transporta on & injec on impact capture unit?

How can plant shutdown impact CO 2 transporta on andinjec on?

What types of communica ons and control systems areneeded?

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Questions