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Stogit.it SAMPEI user interface Modifications in force from 1st november 2013 on – Withdrawal Phase.

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Presentation on theme: "Stogit.it SAMPEI user interface Modifications in force from 1st november 2013 on – Withdrawal Phase."— Presentation transcript:

1 stogit.it SAMPEI user interface Modifications in force from 1st november 2013 on – Withdrawal Phase

2 Introduction The following slides explain the main modifications to the SAMPEI user interface for the withdrawal phase in force from 1st november 2013 on, carried out accordingly to Aeeg resolutions 75,92 e 353 of 2013. Possibility, for each storage service and related storage stock, to make seasonal, monthly and daily nomination program Possibility to nominate/re- nominate for each storage service and related storage stock Possibility to select the flow direction (injection/withdrawal) Visualization of nomination cycles Volumes of PB Gas Possibility to allocate the sold/bought gas on each stock Report capacità disponibili Report of available capacities Form for gas stock allocation rule at 31° october 2013 Resolution 353/2013/R/GAS of 1st August 2013 Publications of the modifications done for the calculation of the withdrawal capacity Examples of withdrawal capacity calculation for the peak and uniform services Informations of withdrawal capacity cut 2GESCON

3 NOMINATION PLANNING OCTOBER/NOVEMBER Weekly planning execution from 28th to 31° october 2013 Nomination of gas day 1° november; capacity allocated on the different stocks Renomination of gas day 1° november; capacities allocated on the different stocks Seasonal planning execution Mandatory - Dead- line for seasonal planning execution Seasonal planning disabled 15th october 2013 24th october 2013 31st october 2013 14th november 2013 1st november 2013 10th november 2013 Start of weekly nomination planning 3GESCON

4 SEASONAL/MONTHLY/WEEKLY PROGRAM Each User will split the nomination program on each stock 4GESCON

5 DAILY NOMINATION FOR DAY G Nomination Cycle C1 indicates nomination cycle at 13.00 C2 indicates nominatin cycle at 19.00 1.Select gas day of interest or from day a to day e 2.Click on «Cerca» 3.data window appears 4.Choose the flow direction ticking the check box 5.Insert the nomination values under the different stocks and click on «Salva» 5GESCON

6 RENOMINATION FOR DAY G 1.Select the gas day of interest 2.Click on ˝Cerca˝ 3.Data window appears 4.Choose the flow direction ticking on the check box 5.Insert the nomination values» under the different stocks and click on «Salva 6GESCON

7 BALANCING PLATFORM (PB) MANAGEMENT The values shown in column «Limite inseribile» in the injection phase indicate the residual free space in stock In case the user will not insert any value, the allocation in the different stocks will be done accordingly to the storage code rules Totale da ripartire 7GESCON

8 BALANCING PLATFORM (PB) MANAGEMENT The values shown in column «Limite inseribile» in the withdrawal phase indicate the residual gas in stock In case the user will not insert any value, the allocation in the different stocks will be done accordingly to the storage code rules Totale da ripartire 8GESCON

9 REPORT AVAILABLE CAPACITIES In this window the capacities of each stock are shown 9GESCON

10 COMMUNICATION OF STOCK ALLOCATION(only for injection 2013) The following communication will be published on the Stogit web site and shall be downloaded and filled in by each User who must indicate the allocation, in percentage terms, of the gas stock into the different services. The form must be sent within 31° October 2013 only by e-mail in pdf format to stogit- servizioclienti@stogit.it.stogit- servizioclienti@stogit.it To be noticed that the infringment of the time deadline mentioned above will entitle Stogit to allocate the stock into the different service stocks accordingly with the priority order established by the Storage Code paragraph 6.3 up to the complete filling-in of the available space. 10GESCON

11 http://www.autorita.energia.it/allegati/docs/13/357-13.pdf RESOLUTION 353 – 1 st AUGUST 2013 Provisions related to the storage service The Authority for Electricity and Gas (AEEG) on 1 st August 2013 has established that Stogit, from 1 st November 2013, must update weekly the maximum withdrawal volumes for the following week. Users who have withdrawn less volume than the optimal volume, will be allocated part of the withdrawal capacity made available by Stogit on its website. This capacity of the system will be, within the system’s constraints, the maximum withdrawal capacity available. 11GESCON

12 RESOLUTION 353 – 1 st AUGUST 2013 Calculation of the maximum weekly withdrawal volumes Month of November: monthly withdrawal volumes 600 MSmc = 23.580.000 Gj Maximum weekly withdrawal volumes= 5.895.000 Gj The additional withdrawal capacity is allocated to users proportionally to the difference, if positive, between their real gas stock and the optimal gas stock they should have on the basis of contractually defined performances. WeekWeekly volume GjResidual / surplus 01 5.895.000 0 025.895.0000 035.895.0000 045.895.0000 TOTAL23.580.000 WeekWeekly volume GjResidual / surplus 01 5.895.000 0 025.000.000-895.000 036.495.000+600.000 045.895.0000 TOTAL23.285.000 In this example the weekly available volume hasn’t been totally withdrawn (5.895.000). The additional withdrawal capacity made available on the following week (600.000) is not equal to the residual of the previous week (895.000) because of system’s constraints. Optimal withdrawal volume Real withdrawal volume 12GESCON

13 WITHDRAWAL PHASE PUBLICATIONS 13GESCON http://www.stogit.it/repository/business_servizi/Comunicazioni_operative/ Profili_utilizzo_fattori_adeguamento/Profili_utiliz_2013_2014/Explains_ab out_withdrawal_phase.pdf http://www.stogit.it/repository/business_servizi/Comunicazioni_operat ive/Profili_utilizzo_fattori_adeguamento/Profili_utiliz_2013_2014/Stor age_MODULAZIONE.pdf

14 Calculation of Flat Service’s withdrawal capacity Stock filling 100% Contractual Space = 150.000 Gj Contractual withdrawal capacity CE contr = (Space/150) = 150.000 / 150 = 1.000 Gj On 1/11/2013 the adjustment factor (FA) is equal to 1 (Gas stock / allocated space) FA = 150.000/150.000 = 1 CE available = CE contr * FA = 1.000 * 1 = 1.000 Gj Monthly withdrawal volume = CE available * days (November) = 1.000 * 30 = 30.000 Gj Gas Stock i = Gas Stock i-1 – November withdrawal volume = 150.000 – 30.000 = 120.000 Gj 100% Daily Capacity Monthly withdrawal volume Contractual gas stock (G contr )Adjustment factor 150.000 NOV1.00030.000120.0001 DIC1.00031.00089.0001 JAN1.00031.00058.0001 FEB1.00028.00030.0001 MAR1.00031.0000 (- 1000)1 14GESCON Optimal withdrawal volume

15 To calculate the withdrawal capacity from the month of December on it’s necessary to take into account the contractual gas stock data: FA = G i / G contr,i G i = real gas stock at the first gas day of month i G contr,i = contractual gas stock at the first gas day of month i 100% Daily Capacity Monthly withdrawal volume Contractual gas stock (G contr ) Adjustment factor 150.000 NOV1.00030.000120.0001 DIC 1.00031.00089.0001 JAN1.00031.00058.0001 FEB1.00028.00030.0001 MAR 1.00031.0000 (- 1.000)1 80% Daily Capacity Monthly withdrawal volume Gas stock (G) Adjustment factor 120.000 NOV 800 24.00096.0000,80 DIC 800 24.80071.2000,80 JAN 800 24.80046.4000,80 FEB 800 22.40024.0000,80 MAR800 24.8000 (- 800)0,80 15GESCON Calculation of Flat Service’s withdrawal capacity Stock filling 80% Contractual Space = 150.000 Gj Contractual withdrawal capacity CE contr = (Space/150) = 150.000 / 150 = 1.000 Gj On 1/11/2013 the adjustment factor (FA) is equal to (Gas stock / allocated space) FA = 120.000/150.000 = 0,8 CE available = CE contr * FA = 1.000 * 0,8 = 800 Gj Monthly withdrawal volume = CE available * days (November) = 800 * 30 = 24.000 Gj Gas Stock i = Gas Stock i-1 – November withdrawal volume = 120.000 – 24.000 = 96.000 Gj Optimal withdrawal volume Real withdrawal volume

16 80% Daily Capacity Monthly withdrawal volume Gas stock (G) Adjustment factor 120.000 NOV 80024.00096.0000,80 DIC 80024.80071.2000,80 JAN 80060.00011.2000,19 FEB 1905.3205.8800,19 MAR 1905.9860 (-106)0,19 100% Daily Capacity Monthly withdrawal volume Contractual gas stock (G contr ) Adjustment factor 150.000 NOV1.00030.000120.0001 DIC1.00031.00089.0001 JAN1.00031.00058.0001 FEB1.00028.00030.0001 MAR 1.00031.0000 (- 1.000)1 50% Daily Capacity Monthly withdrawal volume Gas stock (G) Adjustment factor 75.000 NOV50015.00060.0000,50 DIC50015.50044.5000,50 JAN500044.5000,77 FEB77021.56022.9400,77 MAR77023.5600 (- 620)0,77 60% Daily Capacity Monthly withdrawal volume Gas stock (G) Adjustment factor 90.000 NOV60018.00072.0000,60 DIC60018.60053.4000,60 JAN6001.00052.4000,90 FEB90025.20027.2000,90 MAR90027.9000 (-700)0,90 Example 1: withdrawal volume increase and resulting FA decrement Example 2: withdrawal volume decrement and resulting FA increase Example 3: null withdrawal volume and resulting FA increase Calculation of Flat Service’s withdrawal capacity EXAMPLE: Optimal withdrawal volume 16GESCON

17 100% Daily Capacity Monthly withdrawal volume Contractual gas stock (G contr ) Adjustment factor * Multiplicative coefficient 150.000 NOV478,814.364135.63610,38 DIC781,224.217111.41910,62 JAN1.978,261.32450.09511,57 FEB1.285,235.98614.10911,02 MAR428,413.280829 (0)10,34 * the moltiplicative coefficient is subject to revision during the thermal year in the face of changes in base assumptions Optimal withdrawal volume 17GESCON Calculation of Peak Service’s withdrawal capacity Stock filling 100% Contractual Space = 150.000 Gj Minimum Contractual withdrawal capacity (Space/150) = 150.000 / 150 = 1.000 Gj Additional Contractual withdrawal capacity (Space/577) = 150.000 / 577 = 260 Gj On 1/11/2013 the adjustment factor (FA) is equal to 1 (Gas stock / allocated space) FA = 150.000/150.000 = 1 CE available = (CE min + CE add ) * FA * multiplictive coeff. = 1.260 * 1 * 0,38 = 479 Gj November withdrawal volume = CE available * days (November) = 479 * 30 = 14.364 Gj Gas Stock i = Gas Stock i-1 – November withdrawal volume = 150.000 – 14.364 = 135.636 Gj

18 100% Daily Capacity Monthly withdrawal volume Contractual gas stock (G contr ) Adjustment factor *Multiplicative coefficient 150.000 NOV478,814.364135.63610,38 DIC781,224.217111.41910,62 JAN1.978,261.32450.09711,57 FEB1.285,235.98614.11311,02 MAR428,413.280833 (0)10,34 * the multiplicative coefficient is subject to revision during the thermal year in the face of changes in base assumptions 80% Daily Capacity Monthly withdrawal volume Gas stock (G) Adjustment factor *Multiplicative coefficient 120.000 NOV38311.490108.5100,800,38 DIC62519.37489.1360,800,62 JAN1.582,549.05940.0770,801,57 FEB1.02828.78811.2740,801,02 MAR342,710.624650 (0)0,800,34 18GESCON Calculation of Peak Service’s withdrawal capacity Stock filling 80% Contractual Space = 150.000 Gj Minimum Contractual withdrawal capacity (Space/150) = 150.000 / 150 = 1.000 Gj Additional Contractual withdrawal capacity (Space/577) = 150.000 / 577 = 260 Gj On 1/11/2013 the adjustment factor (FA) is equal to (Gas stock / allocated space) FA = 120.000/150.000 = 0,8 CE available = (CE min + CE add ) * FA * multiplictive coeff. = 1.260 * 0,8 * 0,38 = 383 Gj November withdrawal volume = CE available * days (November) = 383 * 30 = 11.490 Gj Gas Stock i = Gas Stock i-1 – November withdrawal volume = 120.000 – 11.490 = 108.510 Gj Optimal withdrawal volume Real withdrawal volume

19 100% Daily Capacity Monthly withdrawal volume Contractual gas stock (G contr ) FA *Multiplicative coefficient 150.000 NOV478,814.364135.63610,38 DIC781,224.217111.41910,62 JAN1.978,261.32450.09711,57 FEB1.285,235.98614.11311,02 MAR428,413.280833 (0)10,34 80% Daily Capacity Monthly withdrawal volume Gas Stock (G)FA *Multiplicative coefficient 120.000 NOV 38311.491108.5090,80 0,38 DIC625 60.00048.5090,44 0,62 JAN791,3 26.98221.5270,44 1,57 FEB565,5 15.8335.6940,44 1,02 MAR188,5 5.8430 (-149)0,44 0,34 60% Daily Capacity Monthly withdrawal volume Gas Stock (G)FA *Multiplicative coefficient 90.000 NOV 287,28.61881.3820,60 0,38 DIC 468,714.53066.8520,60 0,62 JAN 1.186,920.00046.8520,94 1,57 FEB 1.201,933.65313.1980,94 1,02 MAR 400,612.420779 (0)0,94 0,34 50% Daily Capacity Monthly withdrawal volume Gas Stock (G) FA *Multiplicative coefficient 75.000 NOV 239,47.18267.8180,50 0,38 DIC 390,612.10855.7100,50 0,62 JAN 989,1055.7101 1,57 FEB 1285,235.98519.7251 1,02 MAR 428,413.2806.445 (0)1 0,34 Optimal withdrawal volume 19GESCON Calculation of Flat Service’s withdrawal capacity Example 1: withdrawal volume increase and resulting FA decrement Example 2: withdrawal volume decrement and resulting FA increase Example 3: null withdrawal volume and resulting FA increase

20 The distribution will be done accordingly to the priority of stocks as indicated in the Storage Code (§ 6.3.7) Ratio between volume withdrawn per each user and total volume withdrawn of all cutted users The volume withdrawn by each user (those who have an higher % withdrawn will have an higher cut) THE FOLLOWING ELEMENTS ARE TAKEN INTO ACCOUNT FOR THE CUT: The difference between available capacity and nomination per each service When the sum of nominations exceeds the total available capacity of all users CAPACITY CUT: WITHDRAWAL CAPACITY CUT 20GESCON

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