Pee Dee Generating Station Environmental Impact Statement EIS

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Pee Dee Generating Station Environmental Impact
Statement(EIS)
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WELCOME and
INTRODUCTIONS
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BRIEF OVERVIEW OF THE PROJECT
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The Proposed Project consists of the preparation
of an Environmental Impact Statement (EIS) to
Study a cost-effective means to satisfy the
projected demand for electrical generation
capacity for the Santee Coopers residential and
commercial customers by 2013 to avoid an
electrical shortfall.
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• The United States Army Corps of Engineers (USACE)
  is responsible for the preparation of the EIS,
  and for approval of permits under its authority
  from the
• River and Harbors Act of 1899
• Clean Water Act

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• Public Input is vital to the successful
  completion of the project. We will obtain Public
  Input through
• Project Scoping Meetings
• Agency Scoping Meeting (September 20, 2007)
• Public Scoping Meetings
• Conway (September 25, 2007)
• Florence (September 27, 2007)

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• Public Input (continued)
• Public Information Meetings
• Public Hearings
• Stakeholders Working Group Meetings
• The Project Website (www.peedeepowereis.com)
• Comments, letters, and documents provided to the
  Project Team

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(No Transcript)
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ALTERNATIVES ANALYSIS
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Purpose and Need

• Purpose
• The purpose of the proposed project is to provide
  a reliable and cost-effective means to satisfy
  the projected demand for electrical generation
  capacity for Santee Cooper's projected
  residential and commercial customers beginning in
  the year 2013.
• Primary Needs
• Electrical Generation
• Economic Sustainability
• Secondary Needs
• Fulfill Obligation to Customers
• Minimize Transmission Loss

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Purpose and Need

• Primary Needs
• Electrical Generation
• 225 MW shortfall expected by 2012 (370 MW)
• 310 MW shortage expected by 2013 (525 MW)
• 445 MW shortage expected by 2014 (680 MW)
• 545 MW shortage expected by 2015 (835 MW)
• The Load Forecast, Generation Plan, and DSM are
  being evaluated by an independent consultant.
• Pending the outcome of the review, some
  alternatives that have been eliminated may need
  to be reevaluated.

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Alternatives Analysis

• Technology Alternatives
• Site Selection Analysis
• No Build Alternative
• Demand Side Management Alternatives
• The planning, implementation, and monitoring of
  utility activities designed to encourage
  customers to modify patterns or electricity
  usage, including the timing and level of
  electricity demand (EIA)
• Efficiency
• Refers to programs that are aimed at reducing
  the energy used by specific end-use devices and
  systems, typically without affecting the services
  provided (EIA)

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Level ITechnology Alternatives Analysis

• Based on the permit application submitted to the
  USACE, the proposed facility would generate 1,320
  MW.
• Alternatives Analysis
• Sole Source
• Feasibility Determination
• Detailed Evaluation (Level II)
• Designation of Reasonable Technology
  Alternatives
• Combined Source
• Feasibility Determination
• Detailed Evaluation (Level II)
• Designation of Reasonable Technology
  Alternatives

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Preliminary Energy Sources

• Wind
• Solar
• Hydroelectric
• Geothermal
• Tires
• Forest Biomass
• Agricultural Residue Dedicated Energy Crops
• Landfill Gas
• Municipal Solid Waste

• Digester Gas
• Ethanol
• Biodiesel
• Tidal
• Nuclear
• Natural Gas
• Fuel Oil
• Coal

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Wind (Onshore)

• Need Class 4 wind speeds or higher for utility
  scale production.
• Not consistent source due to lack of sustained
  Class 4 winds.
• Onshore wind was eliminated from further study.

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Wind (Offshore)

• Class 4 winds are available.
• Intermittent energy source.
• Technology has not been installed in southeast
  U.S., extensive testing needed prior to becoming
  operational.
• Offshore wind was eliminated from further study.

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Solar

• Intermittent source of power.
• South Carolina has moderate to poor solar
  resources.
• Minimum ability to store power.
• Solar was eliminated from further study.

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Hydroelectric

• Average flow on Great Pee Dee River is not
  adequate to generate 1,320 MW without creation of
  reservoir.
• An 80-foot high dam would generate between 41-69
  MW.
• An 80-foot high dam would produce a reservoir
  greater than 350 square miles.
• Hydroelectric was eliminated from further study.

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Geothermal

• No natural geothermal resources in South
  Carolina.
• Water temperatures not sufficient at reachable
  depths.
• Technology has not been developed to reach depths
  required in South Carolina.
• Geothermal was eliminated from further study.

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Tires

• 1.5 million tons per year are required to produce
  1,320 MW.
• 1.5 million tons equals approximately 105 million
  tires per year.
• Alabama, Florida, Georgia, Kentucky, Mississippi,
  North Carolina, South Carolina, and Tennessee
  generate 60 million scrap tires per year.
• Competing uses for scrap tires.
• Tires were eliminated from further study as a
  sole source to generate 1,320 MW.

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Forest Biomass

• Approximately 19 million green tons per year
  needed to generate 1,320 MW.
• 20.9 million tons are available annually in South
  Carolina.
• Potential issues with collection, transportation,
  and storage of materials will be evaluated.
• Forest biomass will be further studied.

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Agricultural Residue and Dedicated Energy Crops

• Need over 20.3 million green tons of agricultural
  residue per year to generate 1,320 MW.
• South Carolina, North Carolina, and Georgia
  produce a total of 4.4 million tons of
  agricultural residue per year.
• Competing uses.
• Agricultural residue and dedicated energy crops
  were eliminated from further study as a
  sole-generator.

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Landfill Gas

• Five landfills are currently operational in South
  Carolina.
• 15 candidate landfills in South Carolina.
• 30 potential landfills in South Carolina.
• The maximum generation is approximately 3.66 MW
  per landfill.
• Landfill gas was eliminated from further study.

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Municipal Solid Waste

• Approximately 22.3 million tons per year needed
  to generate 1,320 MW.
• 38.3 million tons per year are available in South
  Carolina, North Carolina, Georgia, and Florida.
• Potential issues with collection, transportation,
  and storage of materials will be further
  evaluated.
• Municipal solid waste will be further studied.

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Digester Gas

• Approximately 7.9 million cows/pigs needed to
  generate 1,320 MW.
• 9.8 million pigs in South Carolina and North
  Carolina.
• Potential issues with collection, transportation,
  and storage of materials will be further
  evaluated.
• Digester gas will be further studied.

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Ethanol

• 519 million gallons of ethanol needed to produce
  1,320 MW.
• 219 million bushels of corn needed annually to
  produce 519 million gallons of ethanol.
• 96.7 million bushels produced by South Carolina,
  North Carolina, and Georgia.
• Competing uses.
• Ethanol was eliminated from further study as a
  sole source to generate 1,320 MW.

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Biodiesel

• Need 334-401 million gallons per year to generate
  1,320 MW.
• South Carolina, North Carolina, and Georgia
  produce 59.1 million gallons of waste grease per
  year.
• Competing uses.
• Biodiesel was eliminated from further study as a
  sole-generator.

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Tidal

• To generate electricity the tidal range must be
  16 feet or higher.
• South Carolina only has a tidal range of 6.6 to
  13.2 feet.
• Tidal was eliminated from further study.

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Nuclear

• 2-3 years for review of license application.
• Additional 6-10 years for construction.
• Time period for licensing and construction will
  not meet the project need.
• Nuclear was eliminated from further study.

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Natural Gas

• Approximately 220 million cubic feet per day is
  needed to generate 1,320 MW.
• Adequate supply of natural gas.
• Potential issues with supply and market
  fluctuations in cost will be further evaluated.
• Natural gas will be further studied.

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Fuel Oil

• Approximately 318-343 million gallons per year is
  needed to generate 1,320 MW.
• Limited domestic production.
• Potential issues with supply and market
  fluctuations in cost will be further evaluated.
• Fuel oil will be further studied.

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Coal

• Approximately 410 tons per hour is needed to
  generate 1,320 MW.
• Adequate supply of coal.
• Types of coal combustion will be further
  evaluated.
• Coal will be further studied.

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Sole Source Alternatives(Status for potential to
generate all 1,320 MW)

• Wind
• Solar
• Hydroelectric
• Geothermal
• Tires
• Forest Biomass
• Agricultural Residue Dedicated Energy Crops
• Landfill Gas
• Municipal Solid Waste

• Digester Gas
• Ethanol
• Biodiesel
• Tidal
• Nuclear
• Natural Gas
• Fuel Oil
• Coal

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Combined Source Alternatives(Status for
potential to be combined to generate 1,320 MW)

• Wind
• Solar
• Hydroelectric
• Geothermal
• Tires
• Forest Biomass
• Agricultural Residue Dedicated Energy Crops
• Landfill Gas
• Municipal Solid Waste

• Digester Gas
• Ethanol
• Biodiesel
• Tidal
• Nuclear
• Natural Gas
• Fuel Oil
• Coal

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Next Steps

• Alternatives Analysis
• Sole Source
• Feasibility Determination
• Detailed Evaluation
• Designation of Reasonable Alternatives
• Combined Source
• Feasibility Determination
• Detailed Evaluation
• Designation of Reasonable Alternatives
• No-build
• Site Selection

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Detailed Evaluation Criteria(Level II)

• Raw Material Availability
• Plant Efficiency
• Plant Capacity Factor
• Raw Material Feed Rates
• Costs (2012 Dollars)
• Raw Material Availability
• Total Plant Costs
• Operating and Maintenance Costs
• Delivered Fuel Costs
• Levelized Cost of Energy
• Other Associated Costs

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Detailed Evaluation Criteria(Level II)

• Solid and Liquid Waste Production
• Air Emissions for Criteria Pollutants
• Green House Gas Emissions
• Other Emissions

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TiresCombined Source

• Existing demand exceeds the supply.
• Competing uses for scrap tires.
• In 2005, there were 12 Million scrap tires
  recycled in South Carolina, leaving none or very
  few for energy use.
• Tires were eliminated from further study as a
  combined source.

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Forest Biomass Sole Combined Source

• Need 6.4 Million tons per year for sole source.
• Not enough forest biomass available annually in
  South Carolina.
• Forest biomass was eliminated from further study
  as a sole source to generate 1,320 MW.
• Forest biomass will be further studied as a
  combined source.

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Agricultural Residue and Dedicated Energy
CropsCombined Source

• Need 346,239 tons per year of switchgrass to
  co-fire at 5.
• Switchgrass is not currently being grown in South
  Carolina.
• Need 335,070 tons per year of corn stover to
  co-fire at 5.
• South Carolina has 482,286 tons per year.
• Based on research it is only feasible to count
  half of the available corn stover due to
  collection, storage, and transportation.
• Competing uses.
• Agricultural residue and dedicated energy crops
  were eliminated from further study as a combined
  source.

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Municipal Solid WasteSole Combined Source

• Need 26 Million tons per year for sole source.
• South Carolina has 3.2 Million tons per year.
• 3.2 Million tons per year is approximately 12 of
  need.
• All of South Carolina trash would have to be
  sorted to achieve a co-fire situation of 5.
• Would decrease longevity of landfill gas to
  energy facilities.
• Municipal solid waste was eliminated from further
  study as a sole source to generate 1,320 MW.
• Municipal solid waste was eliminated as a
  combined source.

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Digester GasSole Combined Source

• Would need 3.76 Million dairy cattle
• South Carolina has 432,265 dairy cattle (11)
• Would need 44.7 Million pigs
• South Carolina has 291,743 pigs (0.6)
• Would need 602.2 Million chickens
• South Carolina has 5.58 Million chickens (0.9)
• Unable to pull waste from neighboring states due
  to implemented regulations.
• Digester gas was eliminated as a sole and
  combined source.

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EthanolCombined Source

• USEPA has set Renewable Fuel Standard which is
  the amount of renewable fuels that must be
  blended into gasoline.
• In 2008, 9 Billion gallons must be blended.
• To meet this standard the U.S. has to import.
• Ethanol was eliminated from further study as a
  combined source.

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BiodieselCombined Source

• A very limited supply of Biodiesel is produced in
  South Carolina.
• Competing uses.
• Biodiesel was eliminated from further study as a
  combined source.

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Nuclear

• Three types of Nuclear were evaluated
• New facility
• 10-15 years to operation
• Uprate existing facility
• All facilities have completed uprates.
• A new unit at an existing facility
• 9-12 years to operation
• VC Summer application submitted. Projected to be
  online in 2016 and 2019.
• Nuclear was eliminated from further study.

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Natural GasSole Combined Source

• Approximately 244 million cubic feet per day is
  needed to generate 1,320 MW.
• Adequate supply of natural gas.
• Potential issues with supply and market
  fluctuations in cost will be further evaluated.
• Natural gas will be further studied as a
  Reasonable Alternative.

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Fuel OilSole Combined Source

• Need 484 Million gallons of Fuel Oil 2.
• Undelivered cost of 793.4 Million per year.
• Need 573 Million gallons of Fuel Oil 6.
• Undelivered cost of 704.3 Million per year.
• U.S. imports majority of the oil used in the
  country.
• Fuel oil has been eliminated from further study.

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CoalSole Combined Source

• Adequate supply of coal.
• Types of coal combustion will be further
  evaluated.
• Pulverized Coal
• Integrated Gasification Combined Cycle
• Circulating Fluidized Bed
• Coal will be further studied as a Reasonable
  Alternative.

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Reasonable Technology Alternatives

• Wind
• Solar
• Hydroelectric
• Geothermal
• Tires
• Forest Biomass as Combined Source
• Forest Biomass as Sole Source
• Agricultural Residue Dedicated Energy Crops
• Landfill Gas
• Municipal Solid Waste

• Digester Gas
• Ethanol
• Biodiesel
• Tidal
• Nuclear
• Natural Gas
• Fuel Oil
• Coal

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Next Steps

• Technology Alternatives Analysis
• Sole Source
• Feasibility Determination
• Detailed Evaluation (Level II)
• Designation of Reasonable Alternatives
• Combined Source
• Feasibility Determination
• Detailed Evaluation (Level II)
• Designation of Reasonable Alternatives
• Site Selection
• No Build
• Demand Side Management Alternatives