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GHGT‐13, 11th November 2016Lausanne, Switzerland
Kemper County Energy Facility
Richard A. EspositoSouthern Company
Research & Environmental Affairs
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America’s Premier Energy Company
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Our Regulated Utility Franchises
Southern PowerCompetitive Wholesale
Business
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4
Southern Company Gas’ Footprint
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21st Century CoalNew NuclearNew Natural Gas
PV Solar
Energy Efficiency
Biomass Wind
All of the Below Energy Strategy
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• Only U.S. electric power company with internal R&D organization
• Approximately 150 engineers and scientists in laboratories and facilities dispersed across operating assets
• Active collaboration with other power companies; domestic and international
• Primary goal of research portfolio is to provide technology options to power operating business
Long History and Continued Focus on R&D
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Kemper County Energy Facility
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High Priority on Safety
• .42 Project Recordable Incident Rate– 7 times safer than Construction Industry Average for projects this size
• 40 Million Total Project Hours
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Why Kemper?
75% Natural
Gas
25% Coal
25% Coal
60% Natural
Gas
20% Coal 20%
Lignite
2020 energy mix with Kemper ** Includes unit retirement and fuel switch announcements (8/4/14)
2020 energy mix without Kemper
• Fuel diversity
• Fuel price stability
• 21st century environmental profile
• Satisfies need for base‐load generation
• Inland location from Gulf of Mexico
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Mississippi Power Service Territory
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Project Overview• 2x1 Integrated Gasification Combined Cycle (IGCC)
• 2 Transport Gasifiers• 2 Siemens SGT6 ‐ 5000F gas turbines• 1 Toshiba steam turbine• 740 MW gross capacity; 582 MW net peak capacity• Chemical products: carbon dioxide, sulfuric acid, and
ammonia • Project Information
• Mine‐mouth lignite (brown coal)• Zero liquid discharge • Uses treated effluent as makeup water
• Mine Operations• Commercial operation; June 5, 2013• Dragline in‐service; Fall 2013• More than 1 million tons of lignite mined • 20 acres of mined property reclaimed already
Plant SitePlant Site
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Environmental Benefits• Reduced Emissions
– Leader in providing clean, safe power and will have fewer sulfur dioxide, particulate and mercury emissions than traditional coal technology.
– Three byproducts ‐ carbon dioxide, ammonia and hydrogen sulfide ‐will be removed from the gas stream and sold as commodities. The project will capture at least 65% of the carbon dioxide produced.
• Water Wise (zero liquid discharge)– None of the water used to generate electricity is sourced or will end
up in surrounding streams and rivers. Contractual agreement for treated effluent supply from a local municipality fills a 90‐acre reservoir, which holds 50 days supply.
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Sulfuric acid (H2SO4) ~150,000 Tons/Year
Ammonia (NH3)~19,000 Tons/Year
CO2 @ 65% capture~3,000,000 Tons/YearCombined Cycle
20/day
4/day
Gasifier
Saleable by‐products
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CO2‐Enhanced Oil Recovery (CO2‐EOR)
www.energy.gov
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~112 km (70 miles) transmission Station energized
~ 96 km (60 miles) CO2 pipeline 100% Complete
~8 km (5 miles) natural gas pipeline 100% Complete
~125 km2 (3,100 acres) mine site Placed in service in June 2013
~ 48 km (30 miles) treated effluent line 100% Complete
Plant Site
New CO2Pipeline
Meridian
Kemper County IGCC Infrastructure
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The Kemper Project
Mississippi Lignite
• Natural Mississippi resource• Estimated 4 billion mineable tons• ~185 million tons needed for the Kemper Project over 40 years
• Lignite is an abundant low‐rank coal~5,200 btu/lb~45% Moisture
• Not subject to market volatility• Does not require commercial transportation
• TRIGTM technology designed for low‐rank coals like lignite
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Mississippi Lignite Mining
• Surface mine operations
• Multiple seams (2 to 5)
• Typically seam is between2 to 10 feet thick
• Shallow deposits at between 100 to 300 feet deep
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Construction Progress ‐ Fall, 2011
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Construction Progress ‐ Fall, 2012
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Construction Progress ‐ Fall, 2013
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Construction progress ‐ Fall 2014
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Plant and Aerial View ‐ 2016
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TRIGTM
air/O2steam
coal
syngas
Presalter Cyclone
Mixing Zone
Riser
Standpipe Cyclone
Standpipe
J-leg
Startup Burner
Seal Leg
syngas
ash
air/O2steam
coal
syngas
Presalter Cyclone
Mixing Zone
Riser
Standpipe Cyclone
Standpipe
J-leg
Startup Burner
Seal Leg
syngas
ash
• Innovative design
• High reliability design
• Lower fuel costs
• Creates synthesis gas
• Excellent environmental performance
• Works well with low‐grade coals
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UOP Selexol process for CO2 capture
• 65 percent carbon capture –similar carbon footprint to a NGCC
• Stable, well-proved process that uses a single solvent to remove both CO2 and H2S
• Relies on acid gas physical solubility in solvent
• Uses equipment common in the chemical and refining industries
• More than 50 units are in commercial operation
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A sense of scale ‐ H2S Absorbers
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Lignite Handling and Drying
Lignite dome: Capacity of
100,000 tons
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Key Accomplishments• Construction of the plant is complete.• Plant expected to be “commercially operational” this year.• Gasifier “B” syngas produced in July, 2016; Gasifier “A” syngas
produced in September, 2016• Highly Efficient Combined Cycle Plant has been operating since
August 9, 2014 serving approximately 250,000 homes, with approximately 3.5 billion kilowatt hours of electricity, in 23 Mississippi counties.
• The Combined Cycle has achieved excellent reliability (EFOR less than 1) about four times better than the industry average
• Generated first electricity from 100% syngas in September 2016• First CO2 into pipeline in coming weeks
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Economic Benefits
• Peak Construction 12,000 direct and indirect jobs, including 6,000 direct construction jobs
• 520 Mississippi companies (more than $2 billion in contracts)
• Estimated annual state and local tax impact ‐ $40 million
• Permanent jobs: more than 500 direct jobs at the at the plant and mine permanently
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Global Technology Interest• Department of Energy
• United Nations
• China
• Japan
• South Korea
• United Kingdom
• Norway
• Australia
• Canada
• Indonesia
• Poland
• India
• Turkey
Southern Company continues to receive worldwide interest in TRIG™ from energy companies in regions with access to abundant supplies of low-rank coal, seeking an environmental solution to the sustainable use of coal.
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Thank You and Trés Bon!