Основной документ Сетевого Кодекса Великобритании – Раздел R (только английская версия)

04.09.2007
Источник: ФСТ РФ

Storage


1 GENERAL R-1
1.1 INTRODUCTION R-1
1.2 STORAGE FACILITIES R-1
1.3 STORAGE CONNECTION AGREEMENT R-2
1.4 STORAGE YEAR R-2
1.5 REFERENCES TO STORAGE SERVICES R-3
1.6 SIMULTANEOUS OFFTAKES AND DELIVERIES R-5
1.7 TRANSCO LNG STORAGE R-5
1.8 TRANSCO AS STORAGE USER R-5
1.9 OFFTAKE AND INPUT REQUIREMENTS R-6
2 TERMS RELATING TO STORAGE FACILITIES R-6
2.1 STORAGE NOMINATION ARRANGEMENTS R-6
3 OFFTAKE OF GAS AT STORAGE CONNECTION POINTS R-6
3.1 NTS EXIT CAPACITY R-6
3.2 INTERRUPTION R-7
3.3 DAYS OF INTERRUPTION R-7
3.4 FAILURE TO INTERRUPT R-8
3.5 INTERPRETATION R-9
4 CONSTRAINED STORAGE R-9
4.1 INTRODUCTION R-9
4.2 CONSTRAINED STORAGE RENOMINATIONS R-10
4.3 NOT USED R-11
4.4 NOT USED R-11
4.5 EFFECT OF NOMINATION R-11
4.6 MINIMUM INVENTORY REQUIREMENTS R-12
4.7 CONSTRAINED TOP-UP INJECTIONS R-13
DEFINED TERMS R-I

R STORAGE
1 GENERAL
1.1 Introduction
1.1.1 This Section R sets out provisions (in addition to or in substitution for those of Sections I and J) as to the terms on which Users may offtake gas from the System for injection to Storage Facilities, and deliver gas withdrawn from Storage Facilities to the System, and otherwise relating to Storage Connection Points and Storage Facilities.
1.1.2 Provisions as to the terms on which Transco LNG Storage makes available the services of its LNG Facilities are contained in Section Z.
1.2 Storage Facilities
1.2.1 For the purposes of the Code:
(a) a «Storage Facility » is a facility:
(i) which is directly connected to the System;
(ii) whose principal purpose is the storage of gas;
(iii) in which gas offtaken from the System, together with (if any) gas located within a storage facility which has not been injected from the System nor any other system or facility («native gas»), and only gas offtaken from the System and native gas (if any) may be stored, and from which stored gas may be delivered to the System whether or not gas withdrawn from such storage may also be delivered other than to the System;
(iv) which is not a facility operated and used by Transco solely for diurnal storage;
(b) a «Storage Operator» is the person (or several persons jointly) operating a Storage Facility (and, for the avoidance of doubt, Transco LNG Storage may be a Storage Operator);
(c) an «LNG Facility” is a Storage Facility in which gas is liquefied, stored as liquefied natural gas («LNG») and either:
(i) regasified for purposes of withdrawal; or
(ii) withdrawn as LNG by tanker(d).
(d) “stored gas” is gas which has been injected into a Storage Facility from the System by Storage Users and which Storage Users are entitled to withdraw from the facility in accordance with the relevant Storage Terms (and accordingly does not include either native gas or gas which has been injected into the Storage Facility from the System by the relevant Storage Operator for purposes related to, or otherwise connected with, the operation of the facility).
(e) “storage use gas provider” means in relation to a NTS Storage facility, the User who, by agreement with the Storage Operator, has responsibility for storage use gas at the NTS Storage Facility.
1.2.2 Pursuant to Sections I.1.2.2 and J.5.2.2, a Storage Facility is a Connected Offtake System (in relation to which the Storage Operator is the Connected System Operator) in relation to the Connected System Exit Point, and a Connected Delivery Facility (in relation to which the Storage Operator is the Delivery Facility Operator) in relation to the System Entry Point, at which it is connected to the System.
1.2.3 A Storage Operator may be, but shall not (by reason only of having the Storage Facility connected to the System) be required to be, a User.
1.2.4 The Entry Point Daily Quantity Delivered and CSEP Daily Quantity Offtaken at the Storage Connection Point in respect of a Storage facility will be established by means of measurement equipment installed (and operated, maintained, tested and calibrated) by Transco or the Storage Operator in accordance with procedures established by Transco or the Storage Operator for such purposes (details of which Users may obtain from the Storage Operator).
1.3 Storage Connection Agreement
1.3.1 A «Storage Connection Agreement» is a single document constituting (as contemplated by Section J5.3 ) the Network Entry Agreement and the Network Exit Agreement in respect of a Storage Facility.
1.3.2 A Storage Connection Agreement in respect of a NTS Storage Facility:
(a) will provide that, as a condition to such agreement having effect and continuing to have effect, the Storage Operator has an agreement with one or more Users whereby the User(s) have responsibility for storage use gas;
(b) will provide that for the purposes of Section B3.5.3, the Storage Operator shall notify Transco, by not later than the fifth Business Day of each calendar month:
(i) the quantity of storage use gas; and
(ii) the identity of each storage use gas provider,
and where there is more than one storage use gas provider, the Storage Operator will in addition notify Transco of the quantities of storage use gas attributable to each storage use gas provider (and the quantities so attributed shall in aggregate equal the quantity notified under paragraph (i));
(c) will specify the procedures, methods and standards by which the quantity of storage use gas in relation to a calendar month is to be calculated; and
(d) will provide Transco with a right to review the Storage Operator’s calculations of quantities of storage use gas and will contain procedures for the resolution of any dispute between Transco and the Storage Operator as to the proper calculation of a quantity of storage use gas.
1.4 Storage Year
For the purposes of the Code a «Storage Year» is a 12 month period from 1st May in
any year to the following 30th April.
1.5 References to storage services
1.5.1 For the purposes of the Code:
(a) «Storage Terms» means the terms and conditions on and subject to which the Storage Operator permits Storage Users or a particular Storage User to utilise the services of the Storage Facility;
(b) a «Storage User» is any person (including the Storage Operator), whether or not such a person is a User, which utilises or is entitled to utilise the services of the Storage Facility;
(c) “Applicable Injection Period” is in respect of:
(i) a Transco LNG Storage Facility, the Transco LNG Injection Period;
(ii) any other Storage Facility, the period during which Storage Users may inject gas into the facility identified in the relevant Storage Terms;
(d) “Applicable Total Storage Space” is in respect of:
(i) a Transco LNG Storage Facility, the Total Storage Space;
(ii) any other Storage Facility, the maximum quantity of gas that the Storage Operator determines can be withdrawn from the facility when full of stored gas;
(e) “Applicable Total Storage Deliverability” is in respect of:
(i) a Transco LNG Storage Facility, the Total Storage Deliverability;
(ii) the maximum quantity of gas that the Storage Operator determines can be withdrawn from the facility in a period of 24 hours during the calendar months of January and February in any Storage Year;
(f) “Maximum Injection Rate” is the maximum quantity of gas that the Storage Operator determines can be injected into the facility in a period of 24 hours during the Applicable Injection Period;
(g) “Applicable Invitation Close Date” is in respect of:
(i) a Transco LNG Storage Facility, the Transco LNG Invitation Close Date;
(ii) any other Storage Facility, the date identified in the relevant Storage Terms by which Storage Users must make applications for Storage Capacity for a Storage Year;
(h) “Applicable Programmed Injection Days” are in respect of:
(i) a Transco LNG Storage Facility, the days in the Transco LNG Injection Period other than Days on which is planned or known that the relevant
injection facilities will not be in operation for any reason;
(ii) any other Storage Facility, the days in the Applicable Injection Period (or in the context of a particular programme for injection, in the period to which the programme applies) other than Days on which is planned or known that the relevant injection facilities will not be in operation for any reason;
(i) “Applicable User Injection Rate” in respect of:
(i) a Transco LNG Storage Facility, is, in respect of a User, the User’s Available Storage Injectability;
(ii) any other Storage Facility, is in respect of a Storage User a rate of injection in KWh/Day determined as the Storage User’s available space in the Storage Facility determined in accordance with the relevant Storage Terms divided by the Applicable Injection Period;
(j) “Applicable Storage Nomination Time” in respect of:
(i) a Transco LNG Storage Facility, is the LNG Storage Injection Nomination Time and/or the LNG Storage Withdrawal Nomination Time (as the case may be);
(ii) any other Storage Facility, is the time identified in the relevant Storage Terms after which time the Storage Operator is not required to act on nominations made by the Storage User;
(k) “Applicable Facility Injection Rate” is in respect of:
(i) a Transco LNG Storage Facility, the Total Storage Injectability;
(ii) any other Storage Facility, the injection rate at which gas may be injected into the facility, as identified in the relevant Storage Terms.
1.5.2 In relation to any Storage Facility:
(a) «injection» is the transfer of gas offtaken from the System to storage in (or for use in connection with the operation of) the Storage Facility, and «withdrawal» is the transfer of gas from storage in the Storage Facility for delivery to the System, in each case whether or not the User offtaking or delivering such gas is the same person as the Storage User effecting such transfer;
(b) a Storage User’s «gas-in-storage» at any time is the amount in aggregate of gas which (in accordance with the relevant Storage Terms) the Storage User is entitled to withdraw from the Storage Facility (and reflecting its injections to and withdrawals from and any transfers of its entitlements in respect of gas stored in such facility);
(c) «Storage Injectability» is (as the context may require) the capability of the Storage Facility to have gas injected, or the entitlement (pursuant to the relevant Storage Terms) of a Storage User to inject gas into the Storage Facility, expressed as a rate or a quantity in a given period;
(d) «Storage Space» is (as the context may require) the capability of the Storage Facility to have gas stored, or the entitlement (pursuant to the relevant Storage Terms) of a Storage User to have gas-in-storage in the Storage Facility, expressed as a quantity;
(e) «Storage Deliverability» is (as the context may require) the capability of the Storage Facility to have gas withdrawn, or the entitlement (pursuant to the relevant Storage Terms) of a Storage User to withdraw gas from the Storage Facility, expressed as a rate or a quantity in a given period;
(f) «Storage Capacity» means Storage Injectability, Storage Space and Storage Deliverability, or any of them, as the context may require;
(g) a «Storage Gas Transfer» in relation to a Storage Facility, is a transfer (subject to and in accordance with the relevant Storage Terms) of or in respect of Storage Capacity or gas-in-storage.
(h) «Total Storage Duration» in respect of a Storage Facility is the number of Days obtained by dividing the Applicable Total Storage Space by Applicable Total Storage Deliverability.
1.6 Simultaneous offtakes and deliveries
A Storage Connection Agreement may provide for the application of Section E1.10, irrespective of whether there is a Storage Balancing Arrangement in force pursuant to paragraph 2.2, provided that Section E1.10.4 may be substituted by provisions in the relevant Storage Connection Agreement.
1.7 Transco LNG Storage
1.7.1 For the purposes of the Code:
(a) «Transco LNG Storage» means Transco acting as operator of the Transco LNG Storage Facilities (whether or not, pursuant to Condition 9(14) of the Transco Licence, the arrangements which relate to the utilisation of such facilities are for the time being arrangements falling within Condition 9(13) thereof); and
(b) «Transco LNG Storage Facilities» means the LNG Facilities which are from time to time operated by Transco and are located at Glenmavis, Partington, Dynevor Arms, and Avonmouth.
1.7.2 In relation to each of the Transco LNG Storage Facilities there shall be a document, in the form of a Storage Connection Agreement, which shall act and take effect for the purposes of the Code as a Storage Connection Agreement in respect of the relevant Storage Connection Point and this Section R shall apply (in relation to such Transco LNG Storage Facility) by reference to such document as though such document were enforced (as a Storage Connection Agreement) by Transco consistently with its enforcement of Storage Connection Agreements with other Storage Operators.
1.7.3 Transco LNG Storage may be a User of the System for the purposes of the Code.
1.8 Transco as Storage User
1.8.1 Transco may be a Storage User in respect of Storage Facilities for Operating Margins purposes pursuant to Section K, as Top-up Manager pursuant to Section P or as Shrinkage Provider pursuant to Section N.
1.8.2 Where Transco (as Storage User) has agreed (pursuant to the relevant Storage Connection Agreement or the relevant Storage Terms) with the Storage Operator, for Operating Margins Purposes or as Top-up Manager, terms and conditions for the provision of storage services which differ from the published standard Storage Terms applying to other Storage Users, copies of any such agreed differences shall be made available to Users on request.
1.8.3 Transco will enter into an arrangement, with a Storage Operator in respect of a Storage Facility in which gas is stored as LNG, pursuant to which Transco may withdraw gas from the facility as LNG loaded onto road tankers, for the purposes of enabling Transco to provide Scottish Independent Networks with LNG as provided in Section B1.9.2 .
1.9 Offtake and input requirements
Transco may require, as a condition of a User applying for or holding System Entry Capacity or delivering gas to the System at a Storage Connection Point, that the User has complied with such conditions as may be specified in the relevant Storage Connection Agreement.
2 TERMS RELATING TO STORAGE FACILITIES
2.1 Storage Nomination Arrangements
2.1.1 For the purposes of the Code:
(a) «Storage Injection Nomination» in respect of a Storage Facility is a nomination in respect of a quantity of gas to be injected into the Storage Facility;
(b) a «Storage Withdrawal Nomination» in respect of a Storage Facility is a nomination in respect of a quantity of gas to be withdrawn from the Storage Facility;
(c) a «Storage Nomination» is a Storage Injection Nomination or a Storage Withdrawal Nomination;
(d) a «Storage Renomination» is a Storage Nomination which is made before or after (in each case to the extent permitted by the relevant Storage Terms) the Applicable Storage Nomination Time and which revises an earlier Storage Nomination (including a Storage Renomination); and
(e) «Storage Nomination Quantity» is the quantity nominated for injection or withdrawal under a User’s prevailing Storage Nomination.
3 OFFTAKE OF GAS AT STORAGE CONNECTION POINTS
3.1 NTS Exit Capacity
3.1.1 If, upon the application of a User, Transco has informed the User that a Storage
Connection Point is ‘eligible for firm transportation’ for the purposes of this paragraph 3.1, the User may elect to hold (and pay NTS Exit Capacity Charges in respect of) NTS Exit Capacity at the Storage Connection Point.
3.1.2 For the purposes of this paragraph 3, in relation to a Storage Connection Point:
(a) a «Firm User» is a User who holds Available NTS Exit Capacity at that point (pursuant to an election by that or another User under paragraph 3.1.1);
(b) the «Aggregate Firm Offtake Rate» is the rate of offtake determined as 1/24 of the aggregate amount (if any) of the NTS Exit Capacity for the time being held by Firm Users at that point;
(c) a User’s «Interruptible UDQO» for a Day in relation to that point is:
(i) subject to paragraph (ii), that User’s UDQO;
(ii) in the case of a Firm User, the amount (if any) by which its UDQO exceeds the amount of its Available NTS Exit Capacity at the point.
3.2 Interruption
3.2.1 Transco shall be entitled to require interruption (including a reduction in the rate) of the offtake (in aggregate by all Users) of gas from the System at a Storage Connection Point, by giving notice («SCP Interruption Notice») to the Storage Operator and each Storage CSEP User, specifying:
(a) the time («interruption time»), not being less than 5 hours after such notice was given, with effect from which such offtake of gas is to be interrupted, and
(b) the reduced aggregate rate (or discontinuance) of offtake required by such interruption; provided that such rate shall not be less than the Aggregate Firm Offtake Rate.
3.2.2 Sections G6.7.3 (other than G6.7.3(b)) and G6.7.4 shall apply in respect of interruption under paragraph 3.2.1 at a Storage Connection Point.
3.2.3 Storage CSEP Users shall secure compliance with any SCP Interruption Notice and shall be responsible for submitting Output Renominations accordingly.
3.2.4 Transco may (but shall not be required to) agree pursuant to the Storage Connection Agreement that the Storage Operator will take such steps as are necessary to interrupt or reduce the rate of offtake of gas at the Storage Connection Point so as to comply with a SCP Interruption Notice.
3.2.5 Where Transco has given an SCP Interruption Notice, as soon as reasonably possible after Transco determines that the requirement for interruption no longer applies or will at a certain time cease to apply, Transco will so notify the Storage Operator and Storage CSEP Users specifying the time at which the requirement for such interruption will no longer apply.
3.3 Days of interruption
3.3.1 The number of Days on which Transco requires interruption at a Storage Connection Point shall be determined in accordance with Section G6.7.5 .
3.3.2 For the purposes of this paragraph 3, Section G6.5 (other than G6.5.6, 6.5.8 and 6.5.9) shall apply.
3.3.3 Transco will not require interruption at a Storage Connection Point on more than 15 Days outside the Winter Period in any Gas Year.
3.4 Failure to interrupt
3.4.1 Section G6.5 (other than G6.5.6,) shall apply for the purposes of this paragraph 3, subject as follows.
3.4.2 For the purposes of Section G6.9.2(b)(i), in the context of interruption required at a Storage Connection Point, the amount payable by Storage CSEP Users in aggregate shall be calculated:
(a) by reference to the basis of the Applicable Annual Rate of NTS Exit Capacity Charge for the Exit Zone in which the Storage Connection Point is located;
(b) on the basis of a notional Supply Point Capacity calculated as the difference between the rate (in MW) of offtake of gas at the Storage Connection Point immediately before the interruption time, and the reduced rate (including zero, subject to the proviso to paragraph 3.2.1(b)) of offtake (in MW) required by such interruption, multiplied by the period (in hours, divided by 24) from the interruption time until the end of the Gas Flow Day.
3.4.3 For the purposes of Section G6.9.2(b)(ii), in the context of interruption required at a Storage Connection Point, the term ‘Y’ shall be the aggregate quantity of gas offtaken, at times when the SCP Interruption Notice was in force, at a rate in excess of the reduced rate (including zero, subject to the proviso to paragraph 3.2.1(b)) of offtake (in MW) required by such interruption.
3.4.4 Section G6.9.8 shall not apply, but the Storage Connection Point shall be counted as a Registered Interruptible Supply Point for the purposes of the further application of Section G6.9.7.
3.4.5 Subject to paragraph 3.4.6, in relation to a Storage Connection Point, Storage CSEP Users (including the Storage Operator) shall be liable for the aggregate amounts payable pursuant to paragraph 3.4.1 in respect of a Day in the proportions of their respective Interruptible UDQOs in respect of the Storage Connection Point.
3.4.6 Where Storage CSEP Users have appointed a User Agent for the purposes of determining the allocation of such amounts:
(a) Transco will notify to such agent the aggregate amounts payable pursuant to paragraph 3.4.1 not later than 6 Days after the Gas Flow Day;
(b) where the agent notifies to Transco, not later than the Exit Close-out Date, an allocation of such amounts (in aggregate equal to the aggregate amount notified by Transco under paragraph (a)) between particular Storage CSEP Users specified by the agent, paragraph 3.4.5 shall not apply, and Storage CSEP Users
will be liable for such amounts in accordance with the agent’s notification to Transco.
3.5 Interpretation
3.5.1 In this paragraph 3 «Storage CSEP User» means a CSEP User in respect of a Storage Connection Point.
3.5.2 Where any provision of Section G6 is to apply for the purposes of this paragraph 3, such references in Section G6 to the terms in the first column in the table below shall be construed as references to the terms (as used in relation to a particular Storage Connection Point in this paragraph 3) in the second such column:
Section G6
This paragraph 3
Interruption
Interruption under paragraph 3.2
Interruption Notice
SCP Interruption Notice
Supply Point or Interruptible Supply Point
Storage Connection Point
Supply Meter Point
Any Individual System Exit Point comprised in the Storage Connection Point
User or Registered User
All of the Storage CSEP Users, or where the context admits, a particular Storage CSEP User
The requirement in Section G6.7.2(b)
The requirement for interruption under paragraph 3.2
TNI Supply Point
A Storage Connection Point subject to a designation by Transco pursuant to Section G6.5.1.
4 CONSTRAINED STORAGE
4.1 Introduction
4.1.1 The Storage Facilities for which Transco LNG Storage is the Storage Operator at Dynevor Arms, and Avonmouth are each a «Constrained Storage Facility» in relation to a Storage Year for the purposes of this paragraph 4.
4.1.2 Transco shall be entitled to require Storage Users to nominate gas for withdrawal from a Constrained Storage Facility in accordance with this paragraph 4.
(a) to a Nomination (or Nomination Quantity) shall accordingly include a nomination (or nomination quantity) in respect of the Storage Facility as well as the System;
(b) to a User, includes the User as Storage User.
4.1.3 Not Used.
4.1.4 Where any Storage Facility is to be a Constrained Storage Facility for a Storage Year, Transco will, not later than 1st March before the start of such Storage Year, publish a document (the «Constrained Storage Statement») containing the following details for each Constrained Storage Facility:
(a) the «Constrained Point(s)», being a point or points on the NTS as identified by Transco as being relevant, for the purposes of this paragraph 4, to a Constrained Storage Facility;
(b) the rate of flow (“Constrained Threshold Demand Flow”) at a Constrained Storage Point at which Transco may make Constrained Storage Renominations in respect of the relevant Constrained Storage Facility;
(c) the System Entry Capacity Charges in respect of the relevant Storage Connection Point;
(d) a percentage for each Week in the Winter Period for the purposes of paragraph 4.6.3.
4.1.5 The Storage Operator and Transco will (and Transco is authorised to) provide to each other all such information concerning Users holding Storage Space in a Constrained Storage Facility (including details of their gas-in-storage and Storage Space) as may be required to give effect to this paragraph 4; and Transco may delegate to the Storage Operator the making of any determination which is required for the implementation of this paragraph 4.
4.1.6 This paragraph 4 shall not apply to Transco when acting for Operating Margins Purposes as a Storage User of a Constrained Storage Facility, and references in this paragraph 4 to Users do not include a reference to Transco when so acting; but references in this paragraph 4, other than in paragraph 4.6, to Users do include the Top-up Manager.
4.1.7 The amounts payable by Users by way of System Entry Capacity Charge in respect of the Storage Connection Point in respect of a Constrained Storage Facility shall be adjusted on the basis set out in the Transportation Statement.
4.2 Constrained Storage Renominations
4.2.1 Each User holding Storage Space in a Constrained Storage Facility authorises Transco to make an Input Nomination («Constrained Storage Renomination») in respect of the relevant Storage Connection Point on behalf of the User in accordance with this paragraph 4.
4.2.2 Subject to paragraph 4.4, a Constrained Storage Renomination will be made as a Renomination, including a New Renomination where the relevant User has not already made an Input Nomination in respect of the relevant Storage Connection Point (and accordingly will not be made by the Applicable Storage Nomination Time).
4.2.3 Transco may make Constrained Storage Renominations in respect of a Constrained Storage Facility in respect of any Day (a «Constrained Storage Day») where at 16:00 D-1 and/or at any subsequent Demand Forecast Time, the forecast flow, at the relevant Constrained Point, exceeds the Constrained Threshold Demand Flow ; and where Transco makes a Constrained Storage Renomination, it will notify Users of the forecast flow at the Constrained Point.
4.2.4 The Nomination Quantity («Constrained Nomination Quantity») under a Constrained Storage Renomination shall be:
(a) in the case of a Transco LNG Storage Facility, the Storage Constrained Nomination Quantity determined in accordance with Section Z6.9; and
(b) in the case of any other Storage Facility, the quantity determined in accordance with the relevant Storage Terms.
4.2.5 Without prejudice to Section Z6.2.8, on a Constrained Storage Day a User may not make any Renomination in respect of the relevant Storage Connection Point to reduce the Constrained Nomination Quantity (and any such Renomination purportedly made may be disregarded); provided that a User may post a Market Offer to effect a Locational Market Transaction in relation to which the User agrees to make an Acquiring Trade Nomination for the System Entry Point comprising the relevant Storage Connection Point for a Constrained Storage Day.
4.2.6 Where, on a Constrained Storage Day after Constrained Storage Renominations have been made, actual flow for a Constrained Point increases, Transco will notify Users and may make further Constrained Storage Renominations in accordance with this paragraph 4.
4.2.7 Where, on a Constrained Storage Day after Constrained Storage Renominations have been made, actual flow in respect of a Constrained Point is reduced to less than 90% of the Constrained Threshold Demand Flow, Transco will notify Users and revise the Constrained Storage Renominations such that the Constrained Nomination Quantities are, in the case of Constrained Storage Renominations :
(a) in respect of a Transco LNG Storage Facility, equivalent to the Storage Constrained Nomination Quantities determined in accordance with Section Z6.9.4; and
(b) in respect of any other Storage Facility, equivalent to the quantities determined in accordance with the relevant Storage Terms.
4.2.8 The aggregate amount («Total Constrained Quantity») of gas for which Transco on a Constrained Storage Day makes Constrained Storage Renominations in respect of a Constrained Storage Facility shall not exceed either:
(a) the maximum Storage Deliverability for that facility (as specified in the Storage Connection Agreement or otherwise agreed between Transco and the Storage Operator); or
(b) the aggregate amount of all Users’ gas-in-storage in that facility on the relevant Day.
4.3 Not Used
4.4 Not Used
4.5 Effect of nomination
4.5.1 The relevant Storage Terms will provide in relation to a User holding Storage Space in a Constrained Storage Facility to authorise the Storage Operator to deliver gas to the System at the Storage Connection Point pursuant to a Constrained Storage Renomination.
4.5.2 Users will be responsible for ensuring they have sufficient Storage Deliverability to enable any Constrained Storage Renomination to be complied with, and Transco will not be concerned with any question whether the Storage Renomination Quantity exceeds the User’s Storage Deliverability in the Constrained Storage Facility; and the Storage Connection Agreement will require the Storage Operator to comply with the Constrained Storage Renomination irrespective of whether it will (in accordance with the Storage Terms) result in the User becoming liable for any charge to the Storage Operator.
4.6 Minimum inventory requirements
4.6.1 Subject to paragraph 4.6.4, on each Day in each week in the Winter Period, a User’s gas-in-storage in each Constrained Storage Facility shall not be less than the Weekly Minimum Requirement.
4.6.2 Each User holding Storage Space in a Constrained Storage Facility shall secure that the requirement in paragraph 4.6.1 is at all times in the Winter Period satisfied.
4.6.3 For each User the «Weekly Minimum Requirement» for a Constrained Storage Facility in respect of any week in the Winter Period is the amount determined as the relevant percentage of the User’s Available Storage Space (as defined in Section Z), for which purpose the relevant percentage is the percentage set out in respect of such week for such facility in the Constrained Storage Document; and the «Aggregate Weekly Minimum Requirement» in respect of any such week is the amount determined as the relevant percentage of the Maximum Storage Space (less Storage Space held by Transco for Operating Margins Purposes) in the Constrained Storage Facility.
4.6.4 Without prejudice to paragraph 4.6.5, the requirement in paragraph 4.6.1 shall not be treated as not being satisfied where by reason of a Constrained Storage Renomination a User’s gas-in-storage in a Constrained Storage Facility becomes less than the Weekly Minimum Requirement.
4.6.5 Where at any time in the Winter Period a User’s gas-in-storage in a Constrained Storage Facility is for the time being less than the Weekly Minimum Requirement (whether or not as a result of any Constrained Storage Renomination), the User may not make any Input Nomination in respect of the relevant Storage Connection Point for the relevant Constrained Storage Facility; but Transco may continue to make Constrained Storage Renominations in accordance with this paragraph 4.
4.6.6 Transco may but shall not be required to reject an Input Nomination in respect of the relevant Storage Connection Point for the Constrained Storage Facility which would result in the requirement in paragraph 4.6.1 ceasing to be satisfied or is made at a time at which such requirement is not satisfied.
4.6.7 Where as respects any User and any Constrained Storage Facility:
(a) on the first Day of the Winter Period the requirement in paragraph 4.6.1 is not satisfied, or
(b) on any other Day in the Winter Period (subject to paragraph 4.6.4) the requirement in paragraph 4.6.1 ceases to be satisfied,
paragraph 4.6.8 shall apply.
4.6.8 In the circumstances in paragraph 4.6.7:
(a) the Storage Connection Agreement and Storage Terms will provide that, or will provide that Transco may elect that (on such terms as between the Storage Operator and User, as may be provided in the Storage Terms) the Storage Operator (as User) shall make Output Nominations in respect of the Storage Connection Point (for injection to the Constrained Storage Facility), on or as soon as reasonably practicable after the relevant Day under paragraph 4.6.7, for a quantity or quantities equal in aggregate to the relevant quantity (and may but shall not be obliged to secure the delivery to the System of a quantity of gas not exceeding the relevant quantity);
(b) such injection quantity(ies) will be treated as injected by the User to the Constrained Storage Facility, for the purposes of the relevant Storage Terms, but will not be treated as offtaken from the System by the User.
4.6.9 For the purposes of paragraph 4.6.8 the relevant quantity is the amount by which the User’s gas-in-storage in the relevant Constrained Storage Facility was, on the relevant Day under paragraph 4.6.7, less than the Weekly Minimum Requirement.
4.6.10 A User will not make a Storage Withdrawal Nomination which would result in the requirement in paragraph 4.6.1 ceasing to be satisfied or at a time at which such requirement is not satisfied.
4.7 Constrained top-up injections
4.7.1 The Top-up Manager will determine, in relation to each Day in the Winter Period and each Constrained Storage Facility, whether, and if so the amount (the «Constrained Top-up Injection Requirement») by which, the Aggregate Weekly Minimum Requirement exceeds the sum of the aggregate gas-in-storage (excluding gas-in-storage for Operating Margins Purposes) and the amounts (if any) for which the Storage Operator may make Storage Injection Nominations pursuant to paragraph 4.6.8.
4.7.2 Where on any Day the Top-up Manager determines that there is a Constrained Top-up Injection Requirement, the Top-up Manager will, but only to the extent that and at a time at which it is reasonably practicable to do so (and not on a Day for which Transco has made Constrained Storage Renominations):
(a) if and to the extent that any other Storage Facility is Available (in accordance with Section K3.8.1) for Operating Margins Purposes or (in accordance with Section P3.8.1 ) for Top-up purposes and (in accordance with paragraph 4.7.4) for Constrained Storage purposes, make an Input Nomination in respect of the relevant Storage Connection Point for the Constrained Storage Facility (and corresponding Storage Withdrawal Nomination) (for Winter Carry-across Gas) in respect of that other facility for a quantity of gas; and/or
(b) if and to the extent that the Constrained Storage Facility is Available (in accordance with Section K3.8.1 ) for Operating Margins Purposes, make (as transferee) a Winter Storage Gas Transfer in relation to the Constrained Storage Facility with Transco for Operating Margins Purposes (as transferor), in respect of a quantity of gas; and/or
(c) where any User offers to do so, on terms which Transco reasonably determines
to be acceptable, make an Acquiring Trade Nomination in respect of a quantity of gas; and/or
(d) to the extent, if any, to which its Top-up Gas Procurement Arrangements permit it to do so on terms which Transco reasonably determines to be acceptable, secure that a quantity of gas (an addition to any other quantity to be delivered) is delivered to the System the amount or aggregate amount of which does not exceed the amount of the Constrained Top-up Injection Requirement (as determined after completion of the injection hereinafter referred to);
and (except in the case of a Winter Storage Gas Transfer) inject such quantity into the Constrained Storage Facility.
4.7.3 Section P3.5 shall apply in respect of Output Nominations in respect of the relevant Storage Connection Point for Constrained Storage Facilities made by the Top-up Manager (and corresponding Storage Injection Nominations) pursuant to this paragraph 4.7; and for these purposes a reference in Section P3.5 to a Storage Injection Nomination made pursuant to Section P3.4 shall include an Output Nomination (and corresponding Storage Injection Nomination) made pursuant to this paragraph 4.7.
4.7.4 In relation to any possible withdrawal of Winter Carry-across Gas or Winter Gas Storage Transfer (as defined in Section K3.2.7 ), a Constrained Storage Facility is «Available» for Constrained Storage purposes if at the relevant time:
(a) there is gas-in-storage in such facility; and
(b) no Constrained Top-up Injection Requirement in respect of such facility exists or would arise as a result of such withdrawal or transfer
Paragraph
Defined Terms
Aggregate Firm Offtake Rate………………………………………………………………………………3.1.2(b)
Aggregate Weekly Minimum Requirement………………………………………………………………4.6.3
Applicable Injection Period…………………………………………………………………………………1.5.1(c)
Applicable Total Storage Space…………………………………………………………………………..1.5.1(d)
Applicable Total Storage Deliverability……………………………………………………………….1.5.1(e)
Applicable Programmed Injection Days………………………………………………………………1.5.1(h)
Applicable User Injection Rate…………………………………………………………………………….1.5.1(i)
Applicable Storage Nomination Time…………………………………………………………………..1.5.1(j)
Applicable Facility Injection Rate……………………………………………………………………….1.5.1(k)
Available………………………………………………………………………………………………………………..4.7.4
Constrained Storage Facility……………………………………………………………………………………4.1.1
Constrained Storage Statement……………………………………………………………………………….4.1.4
Constrained Point(s)…………………………………………………………………………………………..4.1.4(a)
Constrained Threshold Demand Flow…………………………………………………………………4.1.4(b)
Constrained Storage Renomination………………………………………………………………………….4.2.1
Constrained Storage Day…………………………………………………………………………………………4.2.3
Constrained Nomination Quantity…………………………………………………………………………..4.2.4
Constrained Top-up Injection Requirement…………………………………………………………….4.7.1
Firm User…………………………………………………………………………………………………………..3.1.2(a)
gas-in-storage……………………………………………………………………………………………………..1.5.2(b)
injection…………………………………………………………………………………………………………….1.5.2(a)
Interruptible UDQO…………………………………………………………………………………………..3.1.2(c)
interruption time………………………………………………………………………………………………..3.2.1(a)
LNG Facility………………………………………………………………………………………………………1.2.1(c)
LNG …………………………………………………………………………………………………………………1.2.1(c)
native gas………………………………………………………………………………………………………1.2.1(a)(iii)
Storage Facility…………………………………………………………………………………………………..1.2.1(a)
Storage Operator………………………………………………………………………………………………..1.2.1(b)
stored gas……………………………………………………………………………………………………………1.2.1(d)
storage use gas provider……………………………………………………………………………………..1.2.1(e)
Storage Connection Agreement……………………………………………………………………………….1.3.1
Storage Year…………………………………………………………………………………………………………….1.4
Storage Terms…………………………………………………………………………………………………….1.5.1(a)
Storage User……………………………………………………………………………………………………….1.5.1(b)
Storage Injectability……………………………………………………………………………………………1.5.2(c)
Storage Space……………………………………………………………………………………………………..1.5.2(d)
Storage Deliverability…………………………………………………………………………………………1.5.2(e)
Storage Capacity…………………………………………………………………………………………………1.5.2(f)
Storage Gas Transfer………………………………………………………………………………………….1.5.2(g)
Storage Space……………………………………………………………………………………………………..1.5.2(d)
Storage Injection Nomination……………………………………………………………………………..2.1.1(a)
Storage Withdrawal Nomination…………………………………………………………………………2.1.1(b)
Storage Nomination…………………………………………………………………………………………….2.1.1(c)
Storage Renomination…………………………………………………………………………………………2.1.1(d)
Storage Nomination Quantity……………………………………………………………………………..2.1.1(e)
SCP Interruption Notice………………………………………………………………………………………….3.2.1
Storage CSEP User………………………………………………………………………………………………….3.5.1
Total Storage Duration……………………………………………………………………………………….1.5.2(h)
Transco LNG Storage…………………………………………………………………………………………1.7.1(a)
Transco LNG Storage Facilities…………………………………………………………………………..1.7.1(b)
Total Constrained Quantity…………………………………………………………………………………….4.2.8
Maximum Injection Rate……………………………………………………………………………………..1.5.1(f)
withdrawal………………………………………………………………………………………………………..1.5.2(a)
Weekly Minimum Requirement……………………………………………………………………………….4.6.3

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