= 1 EFOR 1 EFOR 1 EFOR A C D. EFORd. ; i = A, C or D
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1 Methodology to Shift esources from ad to Zoes, C,, J ad K
2 Example: If 000MW wid capacity EFOd) is added to a zoe, the maximum amout of perfect geeratio that ca be removed would be icreased oly by 00MW (0% of 000MW) It is ot possible to remove large amout of capacity from a zoe that has a very high average EFO (such as i the case of wid), because there will be isufficiet effective excess to be removed from the zoe before it becomes resource deficit The removal should therefore be based o the Perfect capacity excess istead of the eal capacity excess. Purpose of This iscussio: ive the amout of eal capacity to be removed from or added to zoes, C &, e.g. (MW), how do we compute the MO-MWM MWM etries for zoes, C & usig the Perfect capacity excess istead of the eal capacity excess? 2
3 Summary of Equatios: (erivatio ad Numerical Examples Startig Next Page) ive: (MW) real capacity is to be removed from zoes, C & Calculate the MO-MMW MMW table etries for zoes, C, & usig the Perfect (UCP) capacity excess istead of the eal (ICP) capacity excess? p Cp p EFO EFO EFO EFO EFO EFO EFO EFO EFO C These are the amout of Perfect capacity to be iputted to the MO-MMW MMW table The first term (left-had term i red) is the same for all three ad ca be calculated just oce where, ip Perfect capacity to be removed df from or added dt to zoe i (MO-MMW MMW table etry for zoe i) eal capacity to be removed from or added to, C & EFO i Weighted EFO for Zoe i EFO i j ji EFOd j i Perfect capacity excess ratios for zoe i ji ji Δ Li i ( EFOi) Loadi ; i, C or Li i Δ ; i, C or Δ L +Δ L +Δ C L 3
4 erivatio of Equatios ad Numerical Examples Step : Calculate the Weighted Equivalet Forced Outage ate (EFO) for Each Zoe Case : Exteral Cotracts modeled as exteral cotracts EFOd+ 2 EFOd2 + + EFOd + SCs EFOdSCs + ExteralCotracts EFOdcotracts EFO SCs + ExteralCotracts i Total esources i Zoe i eeratio i + SCs i + Exteral Cotracts i or Case 2: Exteral Cotracts modeled by deratig the ties EFOd+ 2 EFOd2 + + EFOd + SCs EFOdSCs + ExteralCotracts EFOdcotracts EFO SCs + ExteralCotracts i Total esources i Zoe i eeratio i + SCs i SCs ad exteral cotracts are also icluded sice they are part of the mix of resources that cout towards the IM calculatio EFO i Weighted verage Equivalet Forced Outage ate for Zoe i EFO is used to represet the weighted value i order to be distiguishable from the origial EFOd EFO i i EFOd i i 4 i
5 Step : (cotiued) Calculate the Weighted Equivalet Forced Outage ates for Each Zoe Numerical Examples: Example : Example 2: Zoe eeratio Zoe eeratio -,000MW wid geeratio (EFOd 0.9) -,27MW regular geeratio (EFOd 0.052) - 0,000MW wid geeratio (EFOd 0.9) -,27MW regular geeratio (EFOd 0.052) EFO i i EFOd i i i (27) (0.0520) + (000) (0.9000) (27) + (000) EFO i i EFOd i i i (27) (0.0520) + (0000) (0.9000) (27) + (0000)
6 Step 2: Calculate the Zoal Perfect (UCP) Excess Capacities Δ L ( EFO ) Load i i i i Example : Zoe eeratio -,000MW wid geeratio (EFOd 09) 0.9) -,27MW regular geeratio (EFOd 0.052) Example 2: Zoe eeratio - 0,000MW 000MW wid geeratio (EFOd 09) 0.9) -,27MW regular geeratio (EFOd 0.052) Δ L ( EFO ) Load ( ) ( ) Δ L ( EFO ) Load ( ) ( )
7 Step 3: Calculate the Zoal Excess Capacity atios i ΔL i Δ L +Δ L +Δ L Key Chage: atios are calculated based o the Perfect capacities (UCP) rather tha the eal (ICP) capacities Example : Zoe eeratio Example 2: Zoe eeratio -,000MW wid geeratio (EFOd 0.9) - 0,000MW wid geeratio (EFOd 0.9) -,27MW regular geeratio (EFOd 0.052) 052) -,27MW regular geeratio (EFOd 0.052) 052) ΔL ΔL Δ L+Δ LC +Δ L Δ L +Δ L C +Δ L % 2.4%
8 Step 4: Calculate the Perfect Capacity to be dded or emoved for Each Zoe (Values to be Iputted to the MO-MMW MMW Table) Let (MW) be the real geeratio added to or removed from Zoes, C ad : + C + where, i the amout of eal geeratio that eeds to be added to or removed from Zoe i Let p the total amout of Perfect geeratio (UCP) that eeds to be added to or removed from zoes, C ad, hece, Zoe split accordig to atios of Perfect Excess p p + Cp + p p + p + p Capacities where, ip the amout of Perfect geeratio that eeds to be added to or removed from Zoe i + C + p Cp p + + EFO EFO EFO O the ICP side, this must also hold Usig relatioship betwee ICP & UCP p p C p + + p EFO EFO EFO EFO EFO EFO or, p EFO EFO EFO This equatio provides a coversio betwee the ICP amout ad the equivalet UCP amout of capacity to be added or removed from zoes, C ad. Zoal split ratios 8
9 Step 4: Calculate the Perfect Capacity to be dded or emoved for Each Zoe (Values to be Iputted to the MO-MMW MMW Table) p EFO EFO EFO These are the amout of Perfect capacities to be iputted to the MO-MMW MMW table. The first term (left-had term i red) is equal to p ad ca be calculated just oce. Example : Zoe eeratio -,000MW wid geeratio (EFOd 0.9) -,27MW regular geeratio (EFOd 0.052) p Cp p EFO EFO EFO EFO EFO EFO EFO EFO EFO Example 2: Zoe eeratio - 0,000MW wid geeratio (EFOd 0.9) -,27MW regular geeratio (EFOd 0.052) C p ( ) p ( ) ( ) ( ) + + ( ) ( ) ( ) ( )
10 Check: Example : Example 2: Zoe eeratio Zoe eeratio -,000MW wid geeratio (EFOd 0.9) -,27MW regular geeratio (EFOd 0.052) - 0,000MW wid geeratio (EFOd 0.9) -,27MW regular geeratio (EFOd 0.052) p ( EFO ) ( ) p ( EFO ) ( ) Total UCP emoved Total UCP emoved MW 525.7MW Total ICP emoved Total ICP emoved MW 000MW The total UCP removed i Example is less tha that i Example 2 because the Weighted EFO for Example 2 is much higher due to the large amout of wid geeratio (EFO 0.9) - Zoe EFO icreases from (for 000MW of wid geeratio) to (for 0000MW of wid geeratio) 0
11 Procedure to Shift (MW) of eal (ICP) eeratio from Zoe J to Zoes, C, ad UsigtheMOMMW MO-MMW MMW Table i MS:. Subtract.(-FO J ) to the MO-MMW MMW table for zoe J 2. Calculate the UCP split for zoes, C ad usig the method described previously for the amout of ICP removed from zoe J, these amout should be positive (addig geeratio) 3. dd these amouts (positive) to the amouts for, C, ad i the MO-MMW MMW table. eerally, the umbers for, C ad before additio should be egative, as geeratio has bee removed from each zoe to adjust the total State geeratio to the IM level.
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