GHG Examples in Energy Sector

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Explore examples of greenhouse gas (GHG) management in the energy sector, focusing on scenarios, settlements, resource costs, and more. Learn how responsible practices are key to keeping the lights on sustainably and economically.

  • GHG Management
  • Energy Sector
  • Scenarios
  • Sustainability
  • Greenhouse Gas
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  1. GHG EXAMPLES DREW MCGILVRAY Working together to responsibly and economically keep the lights on today and in the future. SPPorg southwest-power-pool 1 SouthwestPowerPool

  2. TABLE OF SCENARIOS GHG Zone Import/Export Scenario Marginal Unit Type Marginal Unit Location 1 Export GHG Internal GHG Zone 2 Import Unspecified Source Non-GHG Zone 3 Import Unspecified Source Non-GHG Zone 4 Export Unspecified Source Non-GHG Zone 5 Import Specified Source Non-GHG Zone 6 Export GHG Internal GHG Zone 2

  3. SCENARIO 1 LAURA S REQUESTED EXAMPLE 3

  4. SCENARIO 1: GHG EXPORT WITH MARGINAL UNIT IN GHG ZONE ID Max MW 200 400 350 350 150 Baseline MW 100 400 0 350 150 Offer $/MWh $36.80 $2.00 $46.00 $36.00 $3.00 GHG ton/MWh Offer + GHG $/MWh $44.00 $2.00 $52.30 $45.00 $12.00 Dispatch MW 100 400 0 350 150 Obligated GHG MW 100 400 0 0 0 G1 G2 G10 G11 G12 0.4($7.2/MWh) 0($0/MWh) 0.35($6.3/MWh) 0.5($9/MWh) 0.5($9/MWh) GHG Allowance = $18/ton WA GHG Zone WA Load Requirement: 280MW System Power Balance: Total generation = 1000 MW G11 0 MW G1 Marginal Energy = $44 /MWh Incremental sys load requirement: G1 increment up Shadow price = $0/MWh incremental GHG: G1 GHG assign MW up ($44) G1 Non-GHG assign MW down (-$44) 220 MW G12 G2 0 MW G10 Load = 720 MW Load = 280 MW 4

  5. SCENARIO 1: SETTLEMENTS ID Dispatch MW LMP $/MWh Settled Energy $ Obligated GHG MW Zone GHG $/MWh Settled Zone GHG $ Total Payment $ G1 G2 G10 G11 G12 WA Ld Sys Ld 100 400 0 350 150 -280 -720 $44.00 $44.00 $44.00 $44.00 $44.00 $44.00 $44.00 $4,400 $17,600 $0 $15,400 $6,600 -$12,320 -$31,680 100 400 0 0 0 -500 0 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 N/A $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $4,400.00 $17,600.00 $0.00 $15,400.00 $6,600.00 -$12,320.00 -$31,680.00 5

  6. SCENARIO 1: RESOURCE COST WITH GHG ID Dispatch MW Offer $/MWh Energy Offer $ GHG Dispatch MW WA GHG CHG $/MWh GHG WA CHG $ Total Cost $ G1 G2 G10 G11 G12 100 400 0 350 150 $36.80 $2.00 $46.00 $36.00 $3.00 $3,680.00 $800.00 $0.00 $12,600.00 $450.00 100 400 0 0 0 $7.20 $0.00 $6.30 $9.00 $9.00 $720.00 $0.00 $0.00 $0.00 $0.00 $4,400.00 $800.00 $0.00 $12,600.00 $450.00 Resource Energy + GHG payments Energy + GHG costs 6

  7. SCENARIO 1: SETTLEMENT V RESOURCE COST ID Settled Energy $ Energy Offer $ Net Energy $ Settled Zone GHG $ WA GHG CHG $ Net GHG $ Net Energy + Net GHG $ G1 G2 G10 G11 G12 $4,400.00 $17,600.00 $0.00 $15,400.00 $12,600.00 $2,800.00 $6,600.00 $450.00 $3,680.00 $800.00 $0.00 $720.00 $16,800.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $720.00 $0.00 $0.00 $0.00 $0.00 -$720.00 $0.00 $0.00 $0.00 $0.00 $0.00 $16,800.00 $0.00 $2,800.00 $6,150.00 $6,150.00 7

  8. SCENARIO 2 8

  9. SCENARIO 2: UNSPECIFIED SOURCE IMPORT MARGINAL UNIT IN NON-GHG ZONE GHG Allowance * GHG ton = GHG ton/MWh ID G1 G2 G10 G11 G12 Max MW 200 150 50 600 200 Baseline MW 130 150 0 520 200 $/MWh $36.8 $2 $37 $36 $3 GHG ton/MWh 0.4 ($7.2/MWh) 0 0.35($6.3/MWh) 0.5 ($9/MWh) 0.5 ($9/MWh) GHG Allowance = $18/ton WA GHG Zone WA Load Requirement: 280MW System Power Balance: Total generation = 1000 MW G11 G1 Resources internal to GHG zone G12 G2 Unspecified-Source G10 Specified-Source Load = 720 MW Load = 280 MW 9

  10. SCENARIO 2: UNSPECIFIED SOURCE IMPORT MARGINAL UNIT IN NON-GHG ZONE Only used if serving GHG load or exporting from GHG zone ID Max MW 200 150 50 600 200 Baseline MW 130 150 0 520 200 Offer $/MWh $36.8 $2 $37 $36 $3 GHG ton/MWh Offer + GHG $/MWh $44 $2 $43.3 $45 $12 Dispatch MW Obligated GHG MW G1 G2 G10 G11 G12 0.4 ($7.2/MWh) 0 0.35($6.3/MWh) 0.5 ($9/MWh) 0.5 ($9/MWh) 1000 280 GHG Allowance = $18/ton WA GHG Zone WA Load Requirement: 280MW System Power Balance: Total generation = 1000 MW G11 G1 G12 G2 G10 Load = 720 MW Load = 280 MW 10

  11. SCENARIO 2: UNSPECIFIED SOURCE IMPORT MARGINAL UNIT IN NON-GHG ZONE ID Max MW 200 150 50 600 200 Baseline MW 130 150 0 520 200 Offer $/MWh $36.8 $2 $37 $36 $3 GHG ton/MWh Offer + GHG $/MWh $44 $2 $43.3 $45 $12 Dispatch MW 80 150 50 520 200 1000 Obligated GHG MW G1 G2 G10 G11 G12 0.4 ($7.2/MWh) 0 0.35($6.3/MWh) 0.5 ($9/MWh) 0.5 ($9/MWh) 280 GHG Allowance = $18/ton WA GHG Zone WA Load Requirement: 280MW System Power Balance: Total generation = 1000 MW G11 G1 G12 G2 G10 Load = 720 MW Load = 280 MW 11

  12. SCENARIO 2: UNSPECIFIED SOURCE IMPORT MARGINAL UNIT IN NON-GHG ZONE ID Max MW 200 150 50 600 200 Baseline MW 130 150 0 520 200 Offer $/MWh $36.8 $2 $37 $36 $3 GHG ton/MWh Offer + GHG $/MWh $44 $2 $43.3 $45 $12 Dispatch MW 80 150 50 520 200 1000 Obligated GHG MW 80 150 50 0 0 280 G1 G2 G10 G11 G12 0.4 ($7.2/MWh) 0 0.35($6.3/MWh) 0.5 ($9/MWh) 0.5 ($9/MWh) GHG Allowance = $18/ton WA GHG Zone WA Load Requirement: 280MW System Power Balance: Total generation = 1000 MW G11 0 MW G1 G12 G2 50 MW G10 Load = 720 MW Load = 280 MW 12

  13. SCENARIO 2: CALCULATING POWER BALANCE ID Max MW 200 150 50 600 200 Baseline MW 130 150 0 520 200 Offer $/MWh $36.8 $2 $37 $36 $3 GHG ton/MWh Offer + GHG $/MWh $44 $2 $43.3 $45 $12 Dispatch MW 80 150 50 520 200 1000 Obligated GHG MW 80 150 50 0 0 280 G1 G2 G10 G11 G12 0.4 ($7.2/MWh) 0 0.35($6.3/MWh) 0.5 ($9/MWh) 0.5 ($9/MWh) GHG Allowance = $18/ton WA GHG Zone System Power Balance: Total generation = 1000 MW Marginal Energy = $36 /MWh Incremental sys load requirement: G11 increment up WA Load Requirement: 280MW If the load increased to 1001 MW, what is the cost to serve the incremental amount of load? Which resources can increase their output? Of the resources with the ability to increase, which is cheapest? G11 0 MW G1 G12 G2 50 MW G10 Load = 720 MW Load = 280 MW 13

  14. SCENARIO 2: CALCULATING THE GHG CONSTRAINT ID Max MW 200 150 50 600 200 Baseline MW 130 150 0 520 200 Offer $/MWh $36.8 $2 $37 $36 $3 GHG ton/MWh Offer + GHG $/MWh $44 $2 $43.3 $45 $12 Dispatch MW 80 150 50 520 200 1000 Obligated GHG MW 80 150 50 0 0 280 G1 G2 G10 G11 G12 0.4 ($7.2/MWh) 0 0.35($6.3/MWh) 0.5 ($9/MWh) 0.5 ($9/MWh) GHG Allowance = $18/ton WA GHG Zone If the ratio of load increases in the GHG zone, what resource will be assigned the incremental GHG load? WA Load Requirement: 280MW Shadow price = $8/MWh incremental GHG: G1 assign MW up ($44) G11 dispatch MW down (-$36) System Power Balance: Total generation = 1000 MW G11 0 MW G1 Which resources can increase their output? Of the resources with the ability to increase, which is cheapest? If a non-GHG resource is reduced, which is the most cost effective to reduce? Marginal Energy = $36 /MWh Incremental sys load requirement: G11 increment up G12 G2 50 MW G10 Load = 720 MW Load = 280 MW 14

  15. SCENARIO 2: UNSPECIFIED SOURCE IMPORT MARGINAL UNIT IN NON-GHG ZONE ID Max MW 200 150 50 600 200 Baseline MW 130 150 0 520 200 Offer $/MWh $36.8 $2 $37 $36 $3 GHG ton/MWh Offer + GHG $/MWh $44 $2 $43.3 $45 $12 Dispatch MW 80 150 50 520 200 1000 Obligated GHG MW 80 150 50 0 0 280 G1 G2 G10 G11 G12 0.4 ($7.2/MWh) 0 0.35($6.3/MWh) 0.5 ($9/MWh) 0.5 ($9/MWh) GHG Allowance = $18/ton WA GHG Zone WA Load Requirement: 280MW System Power Balance: Total generation = 1000 MW G11 0 MW G1 Marginal Energy = $36 /MWh Incremental sys load requirement: G11 increment up Shadow price = $8/MWh incremental GHG: G1 assign MW up ($44) G11 dispatch MW down (-$36) G12 G2 50 MW G10 Load = 720 MW Load = 280 MW 15

  16. SCENARIO 2: SETTLEMENTS ID Dispatch MW LMP $/MWh Settled Energy $ Obligated GHG MW Zone GHG $/MWh Settled Zone GHG $ Total Payment $ G1 80 $36 $2,880 The cost to serve the next MW on the system. 16

  17. SCENARIO 2: SETTLEMENTS ID Dispatch MW LMP $/MWh Settled Energy $ Obligated GHG MW Zone GHG $/MWh Settled Zone GHG $ Total Payment $ G1 80 $36 $2,880 80 $8 $640 $3,520 The cost to serve the next MW on the system. The cost of incremental increase of load in the GHG zone. 17

  18. SCENARIO 2: SETTLEMENTS ID Dispatch MW LMP $/MWh Settled Energy $ Obligated GHG MW Zone GHG $/MWh Settled Zone GHG $ Total Payment $ G1 G2 G10 G11 G12 WA Ld Sys Ld 80 150 50 520 200 -280 -720 $36 $36 $36 $36 $36 $36 $36 $2,880 $5,400 $1,800 $18,720 $7,200 -$10,080 -$25,920 80 150 50 0 0 -280 0 $8 $8 $8 $8 $8 $8 N/A $640 $1,200 $400 $0 $0 -$2,240 $0 $3,520 $6,600 $2,200 $18,720 $7,200 -$12,320 -$25,920 18

  19. SCENARIO 2: RESOURCE COST WITH GHG ID Dispatch MW Offer $/MWh Energy Offer $ GHG Dispatch MW WA GHG CHG $/MWh GHG WA CHG $ Total Cost $ G1 80 $36.8 $2,944 Resource Energy + GHG payments Energy + GHG costs 19

  20. SCENARIO 2: RESOURCE COST WITH GHG ID Dispatch MW Offer $/MWh Energy Offer $ GHG Dispatch MW WA GHG CHG $/MWh GHG WA CHG $ Total Cost $ G1 80 $36.8 80 $7.2 $2,944 $576 $3,520 Resource Energy + GHG payments Energy + GHG costs 20

  21. SCENARIO 2: RESOURCE COST WITH GHG ID Dispatch MW Offer $/MWh Energy Offer $ GHG Dispatch MW WA GHG CHG $/MWh GHG WA CHG $ Total Cost $ G1 G2 G10 G11 G12 80 150 50 520 200 $36.8 $2 $37 $36 $3 80 150 50 0 0 $7.2 $0 $6.3 $9 $9 $2,944 $300 $1,850 $18,720 $600 $576 $0 $315 $0 $0 $3,520 $300 $2,165 $18,720 $600 Resource Energy + GHG payments Energy + GHG costs 21

  22. SCENARIO 2: SETTLEMENT V RESOURCE COST ID Settled Energy $ Energy Offer $ Net Energy $ Settled Zone GHG $ WA GHG CHG $ Net GHG $ Net Energy + Net GHG $ G1 $2,880 $2,944 -$64 22

  23. SCENARIO 2: SETTLEMENT V RESOURCE COST ID Settled Energy $ Energy Offer $ Net Energy $ Settled Zone GHG $ WA GHG CHG $ Net GHG $ Net Energy + Net GHG $ G1 $2,880 $640 $0 $2,944 -$64 $576 $64 23

  24. SCENARIO 2: SETTLEMENT V RESOURCE COST ID Settled Energy $ Energy Offer $ Net Energy $ Settled Zone GHG $ WA GHG CHG $ Net GHG $ Net Energy + Net GHG $ G1 G2 G10 G11 G12 $2,880 $5,400 $1,800 $18,720 $7,200 $640 $1,200 $400 $0 $0 $2,944 $300 $1,850 $18,720 $600 -$64 $5,100 -$50 $0 $6,600 $576 $0 $315 $0 $0 $64 $1,200 $85 $0 $0 $0 $6,300 $35 $0 $6,600 24

  25. SCENARIO 3 25

  26. SCENARIO 3: UNSPECIFIED SOURCE IMPORT MARGINAL UNIT IN NON-GHG ZONE ID Max MW 200 150 50 600 200 Baseline MW 200 150 0 250 200 Offer $/MWh $36.80 $2.00 $37.00 $36.00 $3.00 GHG ton/MWh Offer + GHG $/MWh $44 $2 $43 $45 $12 Dispatch MW 200 150 50 400 200 Obligated GHG MW 200 150 50 150 0 G1 G2 G10 G11 G12 0.4($7.2/MWh) 0($0/MWh) 0.35($6.3/MWh) 0.5($9/MWh) 0.5($9/MWh) GHG Allowance = $18/ton WA GHG Zone WA Load Requirement: 550MW System Power Balance: Total generation = 1000 MW G11 150 MW G1 Marginal Energy = $36 /MWh Incremental sys load requirement: G11 increment up Shadow price = $9/MWh incremental GHG: G11 GHG assign MW up ($44) G11 Non-GHG assign MW down (-$36) G12 G2 50 MW G10 Load = 450 MW Load = 550 MW 26

  27. SCENARIO 3: SETTLEMENTS ID Dispatch MW LMP $/MWh Settled Energy $ Obligated GHG MW Zone GHG $/MWh Settled Zone GHG $ Total Payment $ G1 G2 G10 G11 G12 WA Ld Sys Ld 200 150 50 400 200 -550 -450 $36.00 $36.00 $36.00 $36.00 $36.00 $36.00 $36.00 $7,200 $5,400 $1,800 $14,400 $7,200 -$19,800 -$16,200 200 150 50 150 0 -550 0 $9 $9 $9 $9 $9 $9 N/A $1,800.00 $1,350.00 $450.00 $1,350.00 $0.00 -$4,950.00 $0.00 $9,000.00 $6,750.00 $2,250.00 $15,750.00 $7,200.00 -$24,750.00 -$16,200.00 27

  28. SCENARIO 3: RESOURCE COST WITH GHG ID Dispatch MW Offer $/MWh Energy Offer $ GHG Dispatch MW WA GHG CHG $/MWh GHG WA CHG $ Total Cost $ G1 G2 G10 G11 G12 200 150 50 400 200 $36.80 $2.00 $37.00 $36.00 $3.00 $7,360 $300 $1,850 $14,400 $600 200 150 50 150 0 $7.20 $0.00 $6.30 $9.00 $9.00 $1,440 $0 $315 $1,350 $0 $8,800 $300 $2,165 $15,750 $600 Resource Energy + GHG payments Energy + GHG costs 28

  29. SCENARIO 3: SETTLEMENT V RESOURCE COST ID Settled Energy $ Energy Offer $ Net Energy $ Settled WA GHG $ WA GHG CHG $ Net GHG $ Net Energy + Net GHG $ G1 G2 G10 G11 G12 G13 $7,200.00 $5,400.00 $1,800.00 $14,400.00 $7,200.00 $0.00 $7,360.00 $300.00 $1,850.00 $14,400.00 $600.00 $0.00 -$160.00 $5,100.00 -$50.00 $0.00 $6,600.00 $0.00 $1,800.00 $1,350.00 $450.00 $1,350.00 $0.00 $0.00 $1,440.00 $0.00 $315.00 $1,350.00 $0.00 $0.00 $360.00 $1,350.00 $135.00 $0.00 $0.00 $0.00 $200.00 $6,450.00 $85.00 $0.00 $6,600.00 $0.00 29

  30. SCENARIO 4 30

  31. SCENARIO 4: GHG EXPORT MARGINAL UNIT IN NON-GHG ZONE ID Max MW 200 150 50 600 200 Baseline MW 200 150 0 450 200 Offer $/MWh $27.75 $2.00 $37.00 $36.00 $3.00 GHG ton/MWh Offer + GHG $/MWh $34.95 $2.00 $43.30 $45.00 $12.00 Dispatch MW 200 150 0 450 200 Obligated GHG MW 200 150 0 0 0 G1 G2 G10 G11 G12 0.4($7.2/MWh) 0($0/MWh) 0.35($6.3/MWh) 0.5($9/MWh) 0.5($9/MWh) GHG Allowance = $18/ton WA GHG Zone WA Load Requirement: 280MW System Power Balance: Total generation = 1000 MW G11 0 MW G1 Marginal Energy = $36 /MWh Incremental sys load requirement: G11 increment up Shadow price = 0$/MWh incremental GHG: G1 assign MW up ($44) G11 dispatch MW down (-$36) 70 MW G12 G2 0 MW G10 Load = 720 MW Load = 280 MW 31

  32. SCENARIO 4: SETTLEMENTS ID Dispatch MW LMP $/MWh Settled Energy $ Obligated GHG MW Zone GHG $/MWh Settled Zone GHG $ Total Payment $ G1 G2 G10 G11 G12 WA Ld Sys Ld 200 150 0 450 200 -280 -720 $36.00 $36.00 $36.00 $36.00 $36.00 $36.00 $36.00 $7,200 $5,400 $0 $16,200 $7,200 -$10,080 -$25,920 200 150 0 0 0 -350 0 $0 $0 $0 $0 $0 $0 N/A $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $7,200.00 $5,400.00 $0.00 $16,200.00 $7,200.00 -$10,080.00 -$25,920.00 32

  33. SCENARIO 4: RESOURCE COST WITH GHG ID Dispatch MW Offer $/MWh Energy Offer $ GHG Dispatch MW WA GHG CHG $/MWh GHG WA CHG $ Total Cost $ G1 G2 G10 G11 G12 200 150 0 450 200 $27.75 $2.00 $37.00 $36.00 $3.00 $5,550 $300 $0 $16,200 $600 200 150 0 0 0 $7.20 $0.00 $6.30 $9.00 $9.00 $1,440 $0 $0 $0 $0 $6,990 $300 $0 $16,200 $600 Resource Energy + GHG payments Energy + GHG costs 33

  34. SCENARIO 4: SETTLEMENT V RESOURCE COST ID Settled Energy $ Energy Offer $ Net Energy $ Settled Zone GHG $ WA GHG CHG $ Net GHG $ Net Energy + Net GHG $ G1 G2 G10 G11 G12 G13 $7,200.00 $5,400.00 $0.00 $16,200.00 $16,200.00 $7,200.00 $0.00 $5,550.00 $300.00 $0.00 $1,650.00 $5,100.00 $0.00 $0.00 $6,600.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $1,440.00 $0.00 $0.00 $0.00 $0.00 $0.00 -$1,440.00 $0.00 $0.00 $0.00 $0.00 $0.00 $210.00 $5,100.00 $0.00 $0.00 $6,600.00 $0.00 $600.00 $0.00 34

  35. SCENARIO 5 35

  36. SCENARIO 5: SPECIFIED SOURCE IMPORT MARGINAL UNIT IN NON-GHG ZONE ID Max MW 100 150 50 520 200 Baseline MW 100 150 20 520 200 Offer $/MWh $27.75 $2.00 $37.00 $36.00 $3.00 GHG ton/MWh Offer + GHG $/MWh $34.95 $2.00 $43.30 $45.00 $12.00 Dispatch MW 100 150 30 520 200 Obligated GHG MW 100 150 10 0 0 G1 G2 G10 G11 G12 0.4($7.2/MWh) 0($0/MWh) 0.35($6.3/MWh) 0.5($9/MWh) 0.5($9/MWh) GHG Allowance = $18/ton WA GHG Zone WA Load Requirement: 260MW System Power Balance: Total generation = 1000 MW G11 0 MW G1 Marginal Energy = $37 /MWh Incremental sys load requirement: G10 increment up Shadow price = $6/MWh incremental GHG: G10 GHG assign MW up ($43) G11 Non-GHG assign MW down (-$37) G12 G2 10 MW G10 Load = 720 MW Load = 260 MW 36

  37. SCENARIO 5: SETTLEMENTS ID Dispatch MW LMP $/MWh Settled Energy $ Obligated GHG MW Zone GHG $/MWh Settled Zone GHG $ Total Payment $ G1 G2 G10 G11 G12 WA Ld Sys Ld 100 150 30 520 200 -260 -740 $37.00 $37.00 $37.00 $37.00 $37.00 $37.00 $37.00 $3,700.00 $5,550.00 $1,110.00 $19,240.00 $7,400.00 -$9,620.00 -$27,380.00 100 150 10 0 0 -260 0 $6.30 $6.30 $6.30 $6.30 $6.30 $6.30 N/A $630.00 $945.00 $63.00 $0.00 $0.00 -$1,638.00 $0.00 $4,330.00 $6,495.00 $1,173.00 $19,240.00 $7,400.00 -$11,258.00 -$27,380.00 37

  38. SCENARIO 5: RESOURCE COST WITH GHG ID Dispatch MW Offer $/MWh Energy Offer $ GHG Dispatch MW WA GHG CHG $/MWh GHG WA CHG $ Total Cost $ G1 G2 G10 G11 G12 100 150 30 520 200 $27.75 $2.00 $37.00 $36.00 $3.00 $2,775.00 $300.00 $1,110.00 $18,720.00 $600.00 100 150 10 0 0 $7.20 $0.00 $6.30 $9.00 $9.00 $720 $0 $63 $0 $0 $3,495.00 $300.00 $1,173.00 $18,720.00 $600.00 Resource Energy + GHG payments Energy + GHG costs 38

  39. SCENARIO 5: SETTLEMENT V RESOURCE COST ID Settled Energy $ Energy Offer $ Net Energy $ Settled Zone GHG $ WA GHG CHG $ Net GHG $ Net Energy + Net GHG $ G1 G2 G10 G11 $19,240.00$18,720.00 $520.00 G12 $7,400.00 $3,700.00 $2,775.00 $925.00 $5,550.00 $300.00 $5,250.00 $1,110.00 $1,110.00 $630.00 $945.00 $63.00 $0.00 $0.00 $720.00 $0.00 $63.00 $0.00 $0.00 -$90.00 $945.00 $0.00 $0.00 $0.00 $835.00 $6,195.00 $0.00 $520.00 $6,800.00 $0.00 $600.00 $6,800.00 39

  40. SCENARIO 6 40

  41. SCENARIO 6: GHG EXPORT WITH MARGINAL UNIT IN GHG ZONE ID Max MW 300 150 50 600 600 Baseline MW 250 150 0 0 600 Offer $/MWh $27.75 $2.00 $37.00 $36.00 $3.00 GHG ton/MWh Offer + GHG $/MWh $34.95 $2.00 $43.30 $45.00 $12.00 Dispatch MW 250 150 0 0 600 Obligated GHG MW 250 150 0 0 0 G1 G2 G10 G11 G12 0.4($7.2/MWh) 0($0/MWh) 0.35($6.3/MWh) 0.5($9/MWh) 0.5($9/MWh) GHG Allowance = $18/ton WA GHG Zone WA Load Requirement: 280MW System Power Balance: Total generation = 1000 MW G11 0 MW G1 Marginal Energy = $34.95 /MWh Incremental sys load requirement: G1 increment up Shadow price = $0/MWh incremental GHG: G1 GHG assign MW up ($34.95) G1 Non-GHG assign MW down (-$34.95) 70 MW G12 G2 0 MW G10 Load = 720 MW Load = 280 MW 41

  42. SCENARIO 6: SETTLEMENTS ID Dispatch MW LMP $/MWh Settled Energy $ Obligated GHG MW Zone GHG $/MWh Settled Zone GHG $ Total Payment $ G1 G2 G10 G11 G12 WA Ld Sys Ld 250 150 0 0 600 -280 -720 $34.95 $34.95 $34.95 $34.95 $34.95 $34.95 $34.95 $8,738 $5,243 $0 $0 $20,970 -$9,786 -$25,164 250 150 0 0 0 -400 0 $0 $0 $0 $0 $0 $0 N/A $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $8,737.50 $5,242.50 $0.00 $0.00 $20,970.00 -$9,786.00 -$25,164.00 42

  43. SCENARIO 6: RESOURCE COST WITH GHG ID Dispatch MW Offer $/MWh Energy Offer $ GHG Dispatch MW WA GHG CHG $/MWh GHG WA CHG $ Total Cost $ G1 G2 G10 G11 G12 250 150 0 0 600 $27.75 $2.00 $37.00 $36.00 $3.00 $6,938 $300 $0 $0 $1,800 250 150 0 0 0 $7.20 $0.00 $6.30 $9.00 $9.00 $1,800 $0 $0 $0 $0 $8,738 $300 $0 $0 $1,800 Resource Energy + GHG payments Energy + GHG costs 43

  44. SCENARIO 6: SETTLEMENT V RESOURCE COST ID Settled Energy $ Energy Offer $ Net Energy $ Settled Zone GHG $ WA GHG CHG $ Net GHG $ - $1,800.0 0 $0.00 $0.00 $0.00 $0.00 Net Energy + Net GHG $ G1 $8,737.50 $6,937.50 $1,800.00 $0.00 $1,800.00 $0.00 G2 G10 G11 G12 $5,242.50 $0.00 $0.00 $20,970.00 $1,800.00 $19,170.00 $300.00 $0.00 $0.00 $4,942.50 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $4,942.50 $0.00 $0.00 $19,170.00 44

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