southeastern region transmission planning preliminary 2010 base case assumptions

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Southeastern Region Southeastern Region Transmission Planning Preliminary 2010 Preliminary 2010 Base Case Base Case Assumptions Assumptions

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Southeastern RegionSoutheastern RegionTransmission

Planning Transmission

Planning

Preliminary 2010 Preliminary 2010

Base Case AssumptionsBase Case Assumptions

Southeastern RegionSoutheastern RegionTransmission

Planning Transmission

Planning Load Forecast Comparison between 2008, 2009, and 2010 Series Base Cases

Southern + GTC + MEAG + PowerSouth + SMEPA

46000

48000

50000

52000

54000

56000

58000

60000

62000

64000

2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020

SE

RT

P P

roje

cted

Lo

ad (

MW

)

2009

2008

2010

Southeastern RegionSoutheastern RegionTransmission

Planning Transmission

Planning Regional Assumptions

Wansley

Tenaska Rumble Road #1 CC

Kemper

Rocky Mtn

Vogtle McDonough

West Georgia

Farley

Dahlberg

East Bainbridge

Hancock CC

Washington Co CT

SOWEGA

Appling Co Bio

Warren Co Bio

Central AL

McIntosh

Harris CC

Existing Generation

Future GenerationNote: Resources indicated are preliminary. As remaining assumptions are provided, this information will be updated accordingly.

Southeastern RegionSoutheastern RegionTransmission

Planning Transmission

Planning Year Site MW

2010 Dahlberg CT (SoCo) 292

  Dahlberg CT (GTC) -185

 Tenaska, Heard

County (SoCo)942

  West Ga. Gen (GTC) 160

  Rocky Mtn (GTC) 45

Wansley #7 CC (GTC) 409

Rocky Mtn (SoCo) 15

Preliminary Generation Assumptions for the 2010 Transmission Expansion Planning Process

Year Site MW

2011 Rocky Mtn (GTC) 44

  Rocky Mtn (SoCo) 15

  Farley 1 Uprate (SoCo) 25

  Lindsay Hill CC (GTC) 200

 McDonough Coal 2 (SoCo) -251

McDonough CC4 (SoCo) 840

McDonough CC5 (SoCo) 840

Walker Park (MEAG) 42

Wansley #7 CC (GTC) 166

East Bainbridge (GTC) 6

McIntosh 4 & 5 (PS) 448

Red Text = No Longer a Resource Assumption

Note: Resources indicated are preliminary. As remaining assumptions are provided, this information will be updated accordingly.

Southeastern RegionSoutheastern RegionTransmission

Planning Transmission

Planning Year Site MW

 2012McDonough CC6 (SoCo)

840

Walker Park (MEAG) 42

  Farley 2 Uprate (SoCo) 25

Wansley #7 CC (GTC) 409

WashingtonCo CT (GTC)

551

Murray II (SoCo) -620

McDonough Coal 1 (SoCo)

-250

Year Site MW

2013 SOWEGA (GTC) 90

Central Alabama CC (SoCo)

885

West Ga. Gen (GTC) 160

2014 Dahlberg CT (SoCo) -292

Dahlberg CT (GTC) 235

Kemper (SoCo) 600

Wansley #7 CC (GTC) 97

Appling Co Bio (GTC) 100

Warren Co Bio (GTC) 100

Walker Park (MEAG) 42

Baconton CT (SoCo) -196

Preliminary Generation Assumptions for the 2010 Transmission Expansion Planning Process

Red Text = No Longer a Resource Assumption Note: Resources indicated are preliminary. As remaining assumptions are provided, this information will be updated accordingly.

Southeastern RegionSoutheastern RegionTransmission

Planning Transmission

Planning Year Site MW

2015 Rumble Road #1 CC (GTC)

1162

  Wansley #7 CC (GTC) -97

SOWEGA CT (GTC) -90

2016 Vogtle 3 (GTC) 330

  Vogtle 3 (MEAG) 250

Vogtle 3 (Dalton) 18

Vogtle 3 (SoCo) 504

Dahlberg CT (GTC) 140

WashingtonCo CT (GTC) 367

Wansley #7 CC (GTC) -409

Year Site MW

2017 Vogtle 4 (GTC) 330

Vogtle 4 (SoCo) 504

Vogtle 4 (MEAG) 250

Vogtle 4 (Dalton) 18

Wansley #6 CC (SoCo) -572

Preliminary Generation Assumptions for the 2010 Transmission Expansion Planning Process

Red Text = No Longer a Resource Assumption

Note: Resources indicated are preliminary. As remaining assumptions are provided, this information will be updated accordingly.

Southeastern RegionSoutheastern RegionTransmission

Planning Transmission

Planning

Year Site MW

2018 Wansley #6 CC (GTC) 575

L. Smith CTs (SoCo) 320

2019 Elmore Co CC1 (SoCo) 840

Hancock CC1 (SoCo) 840

Wansley #6 CC (GTC) -286

WashingtonCo CT (GTC) 551

Harris (SoCo) -628

2020 Hancock CC2 (SoCo) 840

Green Text = Re-Timing Resource Assumption

Red Text = No Longer a Resource Assumption

Preliminary Generation Assumptions for the 2010 Transmission Expansion Planning Process

Note: Resources indicated are preliminary. As remaining assumptions are provided, this information will be updated accordingly.

Southeastern RegionSoutheastern RegionTransmission

Planning Transmission

Planning

Stakeholder Stakeholder

Feedback / InputFeedback / Input

Southeastern RegionSoutheastern RegionTransmission

Planning Transmission

Planning

Projected 2010 Projected 2010

SERTP ProcessSERTP Process

Southeastern RegionSoutheastern RegionTransmission

Planning Transmission

Planning 2010 SERTP Process 1st Qtr Meeting – “First RPSG Meeting and Interactive Training Session”

RPSG FormationSelect Five Economic Planning StudiesInteractive Training Session

2nd Qtr Meeting – “Preliminary Expansion Plan Meeting”

Present Preliminary 10 Year Transmission Expansion PlanStakeholder input and feedback regarding the plan…alternatives to consider.

3rd Qtr Meeting – “Second RPSG Meeting”

Present Preliminary Results of the Five Economic StudiesStakeholder input and feedback regarding results…alternatives to solutions identified

4th Qtr Meeting – “Annual Transmission Planning Summit and Assumptions Input

Present Final Results of the Five Economic StudiesProvide an overview of the 10 Year Transmission Expansion Plan

Southeastern RegionSoutheastern RegionTransmission

Planning Transmission

Planning

Next MeetingNext Meeting

Southeastern RegionSoutheastern RegionTransmission

Planning Transmission

Planning

AdjournAdjourn