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New England Power Pool FERC Electric Rate Schedule No. 6Original Sheet No.2045 Market Rules & Procedures Appendix 20-G Section20 - Procedure the Determination.

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Presentation on theme: "New England Power Pool FERC Electric Rate Schedule No. 6Original Sheet No.2045 Market Rules & Procedures Appendix 20-G Section20 - Procedure the Determination."— Presentation transcript:

1 New England Power Pool FERC Electric Rate Schedule No. 6Original Sheet No.2045 Market Rules & Procedures Appendix 20-G Section20 - Procedure the Determination of Loads Diagrams and Specific Examples Issued by: David T. Doot, SecretaryEffective: July 1, 2000 Issued on: September 11, 2000 I. Tie line, Generator, Load and Unmetered Load II.PTF Loss Determination and Allocation III. Electrical Load Calculation IV.Load Calculation V.Load Asset Contracts APPENDIX 20-G DIAGRAMS AND SPECIFIC EXAMPLES POWER SYSTEM MODEL

2 New England Power Pool FERC Electric Rate Schedule No. 6Original Sheet No.2046 Market Rules & Procedures Appendix 20-G Section20 - Procedure the Determination of Loads Diagrams and Specific Examples Issued by: David T. Doot, SecretaryEffective: July 1, 2000 Issued on: September 11, 2000 I: Tie Line, Generator, Load and Unmetered Load NODE Gen #1 100 MW Monitor End Tie Line #1 Monitor End Receiver End 100 MW50 MW Unmetered Load Asset Load #1 50 MW Unmetered Load Calculation Gen #1 100 TIE #1 100 TIE #2 -50 Load # x -1 Load # Tie line #2 Load #2 100 MW

3 New England Power Pool FERC Electric Rate Schedule No. 6Original Sheet No.2047 Market Rules & Procedures Appendix 20-G Section20 - Procedure the Determination of Loads Diagrams and Specific Examples Issued by: David T. Doot, SecretaryEffective: July 1, 2000 Issued on: September 11, 2000 II: PTF Loss Determination and Allocation PTF Participant AParticipant B Load #1 50 MW Load #2 50 MW Tie Line #1 Tie Line #2 50 MW 52 MW Gen #1 105 MW NY Power Pool Tie Line #3 0 MW LV-PTF Loss from ISO State Estimator 2 MW PTF boundry PTF GEN BA PTF Loss 3 MW MW LV-PTF Loss 2 MW L 1 50L 2 50 Participant AParticipant B L 1 = - T 1 L 2 = -T 2 - LV-PTF Loss = -50 = -52 -(-2) = -50 Total NEPOOL Demand= -(G 1 +T 3) = -( ) = -105 Total NEPOOL non-PTF Demand= L 1 + L 2 = (-50) = -100 Total PTF Loss = Total NEPOOL demand - Total non-PTF demand Participant Loss Allocation Factor = Participant non-PTF demand____ Total NEPOOL non-PTF demand Participant A PTF loss allocation = -5 * (-50/-100) = -2.5 MW Participant B PTF loss allocation = -5 * (-50/-100) = -2.5 MW

4 New England Power Pool FERC Electric Rate Schedule No. 6Original Sheet No.2048 Market Rules & Procedures Appendix 20-G Section20 - Procedure the Determination of Loads Diagrams and Specific Examples Issued by: David T. Doot, SecretaryEffective: July 1, 2000 Issued on: September 11, 2000 NODE Unit #1 2MW Load #1 III: Electrical Load Calculation Unit Receiving Negative Load Treatment Monitor End Tie Line #1 9 MW Receiver End Load #2 Unmetered Load Asset 11 MW PTF Loss Allocation -1 MW Assume: A Participant has only Load #1 and Load #2 Load #1 consists of a unit receiving Negative Load Treatment No transactions are in effect Electrical Load = L 1 + L 2 + PTF Losses Allocation = 2 + (-11) + -1 = -10

5 New England Power Pool FERC Electric Rate Schedule No. 6Original Sheet No.2049 Market Rules & Procedures Appendix 20-G Section20 - Procedure the Determination of Loads Diagrams and Specific Examples Issued by: David T. Doot, SecretaryEffective: July 1, 2000 Issued on: September 11, 2000 NODE 109 MW PTF Loss Allocation 4 MW IV: Load Calculation Illustration of: Unit receiving negative load treatment Dispatchable load Integrated load Assume: A Participant only has L 1 L 2 & L 3 No transactions in effect 2 MW L2L2 10MW L3L3 L1L1 101MW Dispatchable load (type 3 or type 4) Unit receiving “Negative load treatment” Unmetered load That includes 3 MW of station service load and 2 MW of Type 2 Interruptible Load Load = L 1 + L 2 + L 3 + PTF DispatchableExcludedExclude 3MW station service4MW load excludedExclude 2MW Type 2 interruptible Load Load = (-4) -(-3) -(-2) = (-4) = 100

6 New England Power Pool FERC Electric Rate Schedule No. 6Original Sheet No.2050 Market Rules & Procedures Appendix 20-G Section20 - Procedure the Determination of Loads Diagrams and Specific Examples Issued by: David T. Doot, SecretaryEffective: July 1, 2000 Issued on: September 11, 2000 NODE 100 MW PTF Loss Allocation 2 MW Load #1 196 MW Gen #1 96 MW Tie line #1 V: Load Asset Contract Transaction Assume: Participant A has a 50% registered entitlement to Load #1. This is the only load Participant A has. No dispatchable, Interruptible or Station Service loads. No transactions in effect. With no load asset contracts Electrical load= L 1 x 50% + PTF LossLoad= L 1 x 50% + PTF Loss = 196 x.5 + 2= 196 x = = = 100=100 Assume Participant A enters into a Load Asset Contract for Electrical Load and sells a 25% Load Asset entitlement to another other Participant. Assume Participant A also enters into a Load Asset Contract for ICAP with another Participant to purchase an additional 25% entitlement to load #1. Electrical load= L 1 x.5 - L 1 x.25 + PTF loss allocation = -196 x.5 - (-196 x.25) + -2 = = -51 MW Load= L 1 x.5 + L1 x.25 + PTF loss allocation = -196 x.5 + (-196 x.25) + -2 = 149 MW


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