Scottish Hydro Electric Power Distribution plc. Use of System Charging Statement for its. Embedded Distribution Networks FINAL

Transcription

1 Scottish Hydro Electric Power Distribution plc Use of System Charging Statement for its Embedded Distribution Networks FINAL Effective from 1st April 2014 Version 1.0 This statement is in a form approved by the Gas and Electricity Markets Authority on 14 February Scottish Hydro Electric Power Distribution plc Registered office: Inveralmond House 200 Dunkeld Road Perth PH1 3AQ Registered No: SC Price: 5 Scottish and Southern Energy Power Distribution is a trading name of: Scottish and Southern Energy Power Distribution Limited Registered in Scotland No. SC213459; Scottish Hydro Electric Transmission plc Registered in Scotland No. SC213461; Scottish Hydro Electric Power Distribution plc Registered in Scotland No SC213460; S+S Limited Registered in Scotland (all having their Registered Offices at Inveralmond House 200 Dunkeld Road Perth PH1 3AQ); and Southern Electric Power Distribution plc Registered in England & Wales No having its Registered Office at 55 Vastern Road, Reading, Berks, RG1 8BU

2 Index to the Statement of Charges for Use of the Scottish Hydro Electric Power Distribution plc Distribution System Version Number V 0.1 V 1.0 Description of Changes SHEPD EDN DUoS Charges Indicative April 2014 (SLC14 format) SHEPD EDN DUoS Charges Final April 2014 (SLC14 format) Page 2 of 38

3 Contents Index to the Statement of Charges for Use of the... 2 Scottish Hydro Electric Power Distribution plc Distribution System Introduction Charge Application and Definitions... 6 Supercustomer Billing and Payment... 6 Supercustomer Charges... 6 Site-Specific Billing and Payment... 7 Site-Specific Billed Charges... 7 Time Period for Half Hourly Metered Properties... 7 Time Period for Half Hourly Unmetered Properties... 7 Application of Capacity Charges... 8 Chargeable Capacity... 8 Exceeded Capacity... 8 Demand Exceeded Capacity... 8 Generation Exceeded Capacity... 8 Standby Capacity for Additional Security on Site... 8 Minimum Capacity Levels... 9 Application of s for excess reactive power... 9 Demand Chargeable Reactive Power... 9 Generation Chargeable Reactive Power... 9 Generation Charges for Pre-2005 Designated EHV Properties... 9 Provision of billing data...10 Licensed Distributor Network Operator s Schedule of Charges for use of the Distribution System Schedule of Line Loss Factors Role of Line Loss Factors in the Supply of Electricity...12 Calculation of Line Loss Factors...12 Line Loss Factor time periods...12 Line Loss Factor tables Notes for Designated EHV Properties Charges for Designated EHV Properties...13 Charges for New Designated EHV Properties...13 Charges for Amended Designated EHV Properties...13 Demand Side Management Electricity Distribution Rebates Accounting and Administration Services Charges for electrical plant provided ancillary to the grant of Use of System Glossary of Terms Additional Notes...22 Annex 1 - Schedule of Charges for use of the Distribution System by LV and HV Designated Properties in SP Distribution Area (GSP Group _N) Annex 2 - Schedule of Charges for use of the Distribution System by Designated EHV Properties (including LDNOs with Designated EHV Properties/end-users) in SP Distribution Area (GSP Group _N) Annex 3 - Schedule of Charges for use of the Distribution System to Preserved/Additional LLFC Classes in SP Distribution Area (GSP Group _N) Annex 4 - Charges applied to LDNOs with HV/LV end users in SP Distribution Area (GSP Group _N) Page 3 of 38

4 Annex 5 - Schedule of Line Loss Factors in SP Distribution Area (GSP Group _N) Annex 6 Addendum to charging statement detailing Charges for New Designated EHV Properties in SP Distribution Area (GSP Group _N) Page 4 of 38

5 1. Introduction 1.1 This statement has been prepared in order to dis Scottish Hydro Electric Power Distribution plc s ( SHEPD ) obligation under Standard Licence Condition 14 of our Electricity Distribution Licence. It contains information on our s 1 for use of our Embedded Networks. It also contains information on our charging principles and our Line Loss Factors. To comply with the terms of Clause 19.1 of the DCUSA, this Statement will be provided to Users (as defined in the DCUSA) not later than 20 days prior to implementation of the s set out in this Statement. 1.2 SHEPD operates Embedded Networks within the Scottish Power Distribution Services Area (GSP Group ID: _N). The s for these Embedded Networks are provided in this statement. 1.3 The s applicable to LV and HV Designated Properties and Designated EHV Properties in this statement have been set in accordance with the methodology described in SHEPD s Use of System Charging Methodology for its Embedded Distribution Networks. The application of s to a premise can be referenced using the Line Loss Factor Class (LLFC) contained in the tables. 1.4 All s in this statement are shown exclusive of VAT. 1.5 The annexes that form part of this statement are also provided for additional convenience in spreadsheet format. This spreadsheet also contains supplementary information used for charging purposes but which is not required to be provided in accordance with Standard Licence Condition 14. This spreadsheet can be downloaded from our website If you have any questions about this statement please contact us at the address shown below: Angus Rae Commercial Policy Manager Scottish Hydro Electric Power Distribution plc Inveralmond House 200 Dunkeld Road Perth EH1 3AQ angus.rae@sse.com Telephone All enquiries regarding Connection Agreements and Changes to Maximum Capacities should be addressed to: authorised.@sse.com 1.8 For all other queries please contact our general enquiries telephone number: Charges can be positive or negative. Page 5 of 38

6 2. Charge Application and Definitions Supercustomer Billing and Payment 2.1 Supercustomer billing and payment applies to Metering Points registered as Non-Half Hourly (NHH) metered or NHH unmetered. The Supercustomer approach makes use of aggregated data obtained from the Supercustomer Distribution Use of System (DUoS) Report. 2.2 Invoices are calculated on a periodic basis and sent to each User, for whom SHEPD is transporting electricity through its Distribution System. Invoices are reconciled, over a period of approximately 14 months, to ensure the cash positions of Users and SHEPD are adjusted to reflect later and more accurate consumption figures. 2.3 The s are applied on the basis of the Line Loss Factor Classes (LLFCs) assigned to a Metering Point Administration Number (MPAN), and the units consumed within the time periods specified in this statement. These time periods may not necessarily be the same as those indicated by the Time Pattern Regimes (TPRs) associated to the Standard Settlement Configuration (SSC) specific to Distribution Network Operators (DNOs). All LLFCs are assigned at the sole discretion of SHEPD. Where a User identifies an incorrectly applied LLFC, SHEPD may at our sole discretion apply the correct LLFC and/or s backdated from the date the LLFC became incorrect, up to a maximum of three years. The s in this document are shown exclusive of VAT. Invoices take account of previous Settlement runs and include VAT. Supercustomer Charges 2.4 Supercustomer s are generally billed through the following components: A fixed - pence/mpan/day, there will only be one fixed applied to each MPAN) in respect of which the User is registered; and Unit s - pence/kilowatt-hour (kwh), more than one unit may be applied. 2.5 Users who wish to supply electricity to Customers whose Metering System is Measurement Class A or B and settled on Profile Classes (PC) 1 through to 8 will be allocated the relevant structure set out in Annex Measurement Class A s apply to Exit/Entry Points where NHH metering is used for Settlement. 2.7 Measurement Class B s apply to Exit Points deemed to be suitable as Unmetered Supplies as permitted in the Electricity (Unmetered Supply) Regulations and where operated in accordance with BSCP Identification of the appropriate can be made by cross reference to the LLFC. 2.9 Valid Settlement Profile Class/Standard Settlement Configuration/Meter Timeswitch Code (PC/SSC/MTC) combinations for these LLFCs are detailed in Market Domain Data (MDD) Where an MPAN has an invalid settlement combination the LLFC will be used to determine the Tariff; where it is necessary and appropriate, SHEPD will amend the LLFC to a valid one. When it is not possible to correct the LLFC, SHEPD will contact the relevant User, in accordance with the BSC, MRA Clause 24.5 and MRA WP 108, to amend the registration details. In relation to invalid settlement combinations, SHEPD reserves the right to apply the 'Domestic Unrestricted' Unit and MPAN as the default to all relevant reconciliations The time periods for the rates are as specified by the SSC. To determine the appropriate rate for each SSC/TPR a lookup table is provided in the spreadsheet that accompanies this statement 4. 2 The Electricity (Unmetered Supply) Regulations 2001 is available from 3 Balancing and Settlement Code Procedure on Unmetered Supplies are available from 4 SHEPD Schedule of s and other tables (Embedded Networks) April 2014.xlsx Page 6 of 38

7 2.12 The Domestic Off-Peak and Small Non-Domestic Off-Peak s are supplementary to either an Unrestricted or a Two Rate. Site-Specific Billing and Payment 2.13 Site-specific billing and payment applies to Metering Points registered as Half Hourly (HH) metered. The site-specific billing and payment approach to Distribution Use of System (DUoS) billing makes use of Half Hourly (HH) metering data received through Settlement Invoices are calculated on a periodic basis and sent to each User, for whom SHEPD is transporting electricity through its Distribution System. Where an account is based on estimated data, the account shall be subject to any adjustment which may be necessary following the receipt of actual data from the User The s are applied on the basis of the Line Loss Factor Classes (LLFCs) assigned to the MPAN (or the MSID for CVA (Central Volume Allocation) sites), and the units consumed within the time periods specified in this statement. Site-Specific Billed Charges 2.16 Site-Specific billed s may include the following components: A fixed in pence/mpan/day for SVA sites; or pence/msid/day for CVA sites; A in pence/kva/day, for agreed Maximum Capacity (MIC) and/or Maximum Capacity (MEC); An excess in pence/kva/day, if a site exceeds its MIC and/or MEC; Unit s in pence/kwh, more than one unit may be applied; and An excess reactive power in pence/kvarh, for each unit in excess of the reactive threshold Users who wish to supply electricity to Customers whose Metering System is Measurement Class C, D, E or CVA will be allocated the relevant structure dependent upon the voltage and location of the Metering Point Measurement Class C, E or CVA s will apply to Exit/Entry Points where HH metering, or an equivalent meter, is used for Settlement purposes Measurement Class D s apply to Exit Points deemed to be suitable as Unmetered Supplies as permitted in the Electricity (Unmetered Supply) Regulations 2001 and where operated in accordance with BSCP For SVA sites, fixed s are generally levied on a per MPAN basis. Where two or more half-hourly MPANs are located at the same point of connection, the relevant number of fixed s will be applied. For CVA sites, fixed s are generally levied on a pence per MSID basis. Where MSID(s) is shared at a site, fixed s would apply for import and export separately. For further details and examples please refer to the MRA Schedule 8 guidance on metering points LV & HV Designated Properties will be allocated the relevant structure set out in Annex Designated EHV Properties will be allocated the relevant structure set out in Annex Where LV and HV Designated Properties or Designated EHV Properties have more than one point of connection separate s will be applied to each point of connection. Time Period for Half Hourly Metered Properties 2.24 The time periods for the application of unit s to LV & HV Designated Properties that are Half Hourly metered are detailed in Annex The time periods for the application of unit s to Designated EHV Properties are detailed in Annex 2. Time Period for Half Hourly Unmetered Properties 2.26 The time periods for the application of unit s to connections that are pseudo HH metered are detailed in Annex 1. Page 7 of 38

8 Application of Capacity Charges 2.27 The following sections explain the application of Capacity s and Exceeded Capacity s. Chargeable Capacity 2.28 The Chargeable Capacity is, for each billing period, the MIC/MEC as detailed below The MIC/MEC will be agreed with SHEPD at the time of connection or pursuant to a later change in requirements. Following such an agreement (be it at the time of connection or later) no reduction in MIC/MEC will be allowed for a period of one year. In the absence of an agreement the Chargeable Capacity, save for error or omission, will be based on the last MIC and/or MEC previously agreed by SHEPD for the relevant premises connection. A Customer can seek to agree or vary the MIC and/or MEC by contacting SHEPD using the contact details in paragraph Reductions to the MIC/MEC may only be permitted once in a 12 month period and no retrospective changes will be allowed. Where MIC/MEC is reduced the new lower level will be agreed with reference to the level of the Customer s maximum demand. It should be noted that where a new lower level is agreed the original may not be available in the future without the need for network reinforcement and associated s. Exceeded Capacity 2.31 Where a Customer takes additional unauthorised over and above the MIC/MEC, the excess will be classed as Exceeded Capacity. The exceeded portion of the will be d at the excess rate, based on the difference between the MIC/MEC and the actual. This will be d for the duration of the full month in which the breach occurs. Demand Exceeded Capacity DemandExceededCapacity Max(2 AI 2 max( RI, RE) 2 MIC,0) Where: AI = Active (kwh) RI = Reactive (kvarh) RE = Reactive (kvarh) MIC = Maximum Capacity (kva) 2.32 Only reactive import and reactive export values occurring at times of active import are used in the calculation This calculation is completed for every half hour and the maximum value from the billing period is captured. Generation Exceeded Capacity Generation ExceededCapacity Max(2 AE 2 max( RI, RE) 2 MEC,0) Where: AE = Active (kwh) RI = Reactive (kvarh) RE = Reactive (kvarh) MEC = Maximum Capacity (kva) 2.34 Only reactive import and reactive export values occurring at times of active export are used in the calculation This calculation is completed for every half hour and the maximum value from the billing period is captured. Standby Capacity for Additional Security on Site 2.36 Where standby s are applied, the will be set at the same rate as that applied to the normal MIC. Where, at the customer s request, additional security for the Connection Point(s) is provided by reserved network at two different sources of supply, SHEPD reserves the right to for the held at each source. Page 8 of 38

9 Minimum Capacity Levels 2.37 There is no minimum threshold. Application of s for excess reactive power 2.38 When an individual HH metered MPAN s reactive power (measured in kvarh) at LV and HV Designated Properties exceeds 33% of total active power (measured in kwh), excess reactive power s will apply. This threshold is equivalent to an average power factor of 0.95 during the period. Any reactive units in excess of the 33% threshold are d at the rate appropriate to the particular Power Factor is calculated as follows: Cos θ = Power Factor θ kwh kvarh 2.40 The able reactive power is calculated as follows: Demand Chargeable Reactive Power Where: AI = Active (kwh) RI = Reactive (kvarh) RE = Reactive (kvarh) 2.41 Only reactive import and reactive export values occurring at times of active import are used in the calculation The square root calculation will be to two decimal places This calculation is completed for every half hour and the values summated over the billing period. Generation Chargeable Reactive Power Where: 1 Demand Chargeable kvarh max max RI,RE Generation Chargeable kvarh AE = Active (kwh) RI = Reactive (kvarh) RE = Reactive (kvarh) max max RI,RE 2.44 Only reactive import and reactive export values occurring at times of active export are used in the calculation The square root calculation will be to two decimal places This calculation is completed for every half hour and the values summated over the billing period. Generation Charges for Pre-2005 Designated EHV Properties AI, Designated EHV Properties that were connected to the Distribution System under a pre-2005 connection charging policy are eligible for exemption from Generation Use of System s unless one of the following criteria has been met: AE,0 Page 9 of 38

10 25 years have passed since their first energisation/connection date, in which case, Generation Use of System s will apply from the next charging year following the expiry of their 25 years exemption (starting 1 st April), or The Designated EHV Property customer has provided notice to SHEPD that they wish to opt in to Generation Use of System s. If a notice to opt in has been provided there will be no further opportunity to opt out Furthermore, if an exempt Customer makes an alteration to its export requirement then the Customer may be eligible to be d for the additional required or energy imported or exported. For example, where a generator increases its export the incremental increase in export will attract DUoS s as other non-exempt generators. Provision of billing data 2.49 Where HH metering data is required for Use of System charging and this is not provided through Settlement processes, such metering data shall be provided by the User of the system to SHEPD in respect of each calendar month within five working days of the end of that calendar month. The metering data shall identify the amount consumed and/or produced in each half hour of each day and shall separately identify active and reactive import and export. Metering data provided to SHEPD shall be consistent with that received through the metering equipment installed. Metering data shall be provided in an electronic format specified by SHEPD from time to time and in the absence of such specification, metering data shall be provided in a comma separated text file in the format of D0275 MRA data flow (as agreed with SHEPD). The data shall be ed to duos.income.billing@sse.com SHEPD requires details of reactive power imported or exported to be provided for all Measurement Class C (mandatory HH metered) sites and for Measurement Class E (elective HH metered sites). It is also required for CVA sites and exempt distribution network boundaries with difference metering. SHEPD reserves the right to levy a on Users who fail to provide such reactive data. In order to estimate missing reactive data, a Power Factor of 0.95 lag will be applied to the active consumption in any half hour. Licensed Distributor Network Operator s 2.51 Licensed Distributor Network Operator (LDNO) s are applied to LDNOs who operate Embedded Networks The structure for LV and HV Designated Properties reflects the host LV and HV Designated Properties s. The relevant structures are set out in Annex Where an MPAN has an invalid Settlement Combination, the LDNO HV: Domestic Unrestricted fixed and unit will be applied as default until the invalid combination is corrected. Where there are multiple SSC-TPR combinations, the default LDNO HV: Domestic Unrestricted fixed and unit will be applied for each invalid TPR combination The structure for Designated EHV Properties connected to Embedded Networks in operated by SHEPD will be calculated individually and includes the Host DNO s boundary s. The relevant structures are set out in Annex For Nested Networks, the relevant charging principles set out in DCUSA Schedule 21 apply. Page 10 of 38

11 3. Schedule of Charges for use of the Distribution System 3.1 Tables listing the s for the use of SHEPD Embedded Networks are published in the annexes of this document. 3.2 These s are also listed in a spreadsheet which is published with this statement and can be downloaded from Annex 1 contains s to LV and HV Designated Properties. 3.4 Annex 2 contains the s to Designated EHV Properties, which includes s applied to LDNOs with end user EHV Designated Properties embedded in networks which are connected to SHEPD Embedded Networks. 3.5 Annex 3 contains details of any preserved and additional s that are valid at this time. Preserved s are mapped to an appropriate and are closed to new Customers. 3.6 Annex 4 contains s applied to LDNOs with end-user LV and HV Designated Properties embedded in networks which are connected to the SHEPD Embedded Networks. Page 11 of 38

12 4. Schedule of Line Loss Factors Role of Line Loss Factors in the Supply of Electricity 4.1 Electricity entering or exiting the DNOs networks is adjusted to take account of energy which is lost 5 as it is distributed through the network. 4.2 This adjustment is made to ensure that energy bought or sold by a User, from/to a Customer, accounts for energy lost as part of distributing energy to and from the Customer s premises. 4.3 DNOs are responsible for calculating the Line Loss Factors (LLFs) and providing these factors to Elexon. Elexon manage the Balancing and Settlement Code. The code covers the governance and rules for the balancing and settlement arrangements. 4.4 Annex 5 provides the LLFs which must be used to adjust the Metering System volumes to take account of losses on the distribution network. Calculation of Line Loss Factors 4.5 LLFs are calculated in accordance with BSC Procedure (BSCP) 128. BSCP 128 determines the principles which DNOs must comply with when calculating LLFs. 4.6 LLFs are calculated using either a generic method or a site specific method. The generic method is used for sites connected at LV or HV and the site specific method is used for sites connected at EHV or where a request for site specific LLFs has been agreed. Generic LLFs will be applied to all new EHV sites until sufficient data is available for a site specific calculation. 4.7 The Elexon website ( contains more information on LLFs. This page also has links to BSCP 128. Our website contains the SHEPD LLF methodology statement. Line Loss Factor time periods 4.8 LLFs are calculated for a set number of time periods during the year. These time periods are detailed in Annex 5. Line Loss Factor tables 4.9 When using the LLF tables in Annex 5 reference should be made to the LLFC allocated to the MPAN to find the appropriate LLF The Elexon Portal website, contains the LLFs in standard industry data format (D0265). A user guide with details on registering and using the portal can be downloaded from 5 Energy can be lost for technical and non-technical reasons and losses normally occur by heat dissipation through power flowing in conductors and transformers. Losses can also reduce if a customer s action reduces power flowing in the distribution network. This might happen when a customer generates electricity and the produced energy is consumed locally. Page 12 of 38

13 5. Notes for Designated EHV Properties Charges for Designated EHV Properties 5.1 The s for Designated EHV Properties are based on available information at the time that this statement was published. A new or modified connection will result in changes to current network utilisations which will then form the basis of future prices: the determined in this statement will not necessarily be the in subsequent years because of the interaction between new and existing network connections and any other changes made to the Distribution System which may affect the s. Charges for New Designated EHV Properties 5.2 Charges for any new Designated EHV Properties calculated after publication of the current statement will be published in an addendum to that statement as and when necessary. 5.3 The form of the addendum is detailed in Annex 6 of this statement. 5.4 The addendum will be sent to DCUSA parties and published as a revised Schedule of Charges and other tables spreadsheet on our website. The addendum will include information that under enduring circumstances would be found in Annex 2 and Line Loss Factors that would normally be found in Annex The new Designated EHV Properties s will be added to Annex 2 in the next full statement released. Charges for Amended Designated EHV Properties 5.6 Where an existing Designated EHV Property connection is modified and energised in the charging year, SHEPD may revise its s for the modified Designated EHV Property. If revised s are appropriate, an addendum will be sent to relevant DCUSA parties and published as a revised Schedule of s and other tables spreadsheet on our website The modified Designated EHV Property s will be added to Annex 2 in the next full statement released. Demand Side Management 5.7 For Designated EHV Properties some customers may be able to benefit from entering into a Demand Side Management ("DSM") Agreement with SHEPD. 5.8 DSM arrangements are based on a formal commitment by the Customer to materially reduce their Maximum Capacity in certain time periods, as determined by SHEPD, and are subject to SHEPD securing appropriate arrangements with the host DNO. Subject to all contractual arrangements being in place and the Customer reducing their Maximum Capacity to meet the defined parameters in the Agreement, reduced use of system s will apply. The scale of the reduction can vary and is linked to the magnitude of the locational cost component of the DUoS s. 5.9 Any reduction in use of system s applicable to the Customer will be assessed on a sitespecific basis by SHEPD will take into account the extent of reduction which the customer is willing to contractually commit to Any Customers who wish to enquire whether they can take advantage of DSM should contact: Allen Watson, System Planning Engineer Scottish Hydro Electric Power Distribution plc Inveralmond House, 200 Dunkeld Road Perth PH1 3AQ Page 13 of 38

14 6. Electricity Distribution Rebates 6.1 SHEPD has neither given nor announced any distribution use of system rebates to Users in the 12 months preceding the date of publication of this revision of the statement. Page 14 of 38

15 7. Accounting and Administration Services 7.1 No Accounting and Administration s are detailed within this statement, please refer to our Statement of Miscellaneous Charges for details of transactional s and other notices. 7.2 Where a User has failed to settle a DUoS invoice or notify SHEPD of a bona fide dispute, in accordance with clause 23.3 of the Distribution Connection and Use of System Agreement (DCUSA) a of (plus VAT) may be made to cover the associated credit control, administration and collection costs. This is in addition to the interest that will be made in accordance with the terms of the DCUSA. Page 15 of 38

16 8. Charges for electrical plant provided ancillary to the grant of Use of System 8.1 No s for electrical plant provided ancillary to the grant of Use of System are detailed within this statement. Please refer to our Statement of Miscellaneous Charges for details of transactional s and other notices. Page 16 of 38

17 9. Glossary of Terms 9.1 The following definitions are included to aid understanding: Term All-The-Way Charge Balancing and Settlement Code (BSC) CDCM Customer Central Volume Allocation (CVA) Designated EHV Properties Designated Properties Distributed Generator Distribution Connection and Use of System Agreement (DCUSA) Distribution Network Operator (DNO) Distribution Services Area Distribution Services Provider Definition A tariff applicable to an end-user rather than an LDNO. The Balancing and Settlement Code contains the governance arrangements for electricity balancing and settlement in Great Britain. An over view document is available from The Common Distribution Charging Methodology used for calculating s to Designated Properties as required by standard licence condition 13A of the Electricity Distribution Licence. A person to whom a User proposers to supply, or for the time being supplies, electricity through an Exit Point, or from who, a User or any relevant exempt Supplier, is entitled to recover s, compensation or an account of profits in respect of electricity supplied though an Exit Point;. or A person from whom a User purchases, or proposes to purchase, electricity, at an Entry Point (who may from time to time be supplied with electricity as a Customer of that User (or another electricity supplier) through an Exit Point). As defined in the BSC. As defined in standard condition 13B of the Electricity Distribution Licence. As defined in standard condition 13A of the Electricity Distribution Licence. A generator directly connected or embedded within the Distribution System. The Distribution Connection and Use of System Agreement (DCUSA) is a multi-party contract between the licensed Electricity Distributors, Suppliers, Generators and Offshore Transmission Owners (OFTOs) of Great Britain. It is a requirement that all licensed electricity distributors and suppliers become parties to the DCUSA. An Electricity Distributor who operates one of the fourteen Distribution Services Areas and in whose Electricity Distribution Licence the requirements of Section B of the standard conditions of that licence have effect. The area specified by the Authority that a DNO as Distribution Services Provider will operate. An Electricity Distributor in whose Electricity Distribution Licence the requirements of Section B of the standard conditions of that licence have effect. Page 17 of 38

18 Term Distribution System EDCM Electricity Distributor Electricity Distribution Licence Embedded LDNO Embedded Network Entry Point Exit Point Extra High Voltage (EHV) Gas and Electricity Markets Authority (GEMA) (the Authority) Grid Supply Point (GSP) GSP Group High Voltage (HV) Definition The system consisting (wholly or mainly) of: electric lines owned or operated by an authorised distributor that is used for the distribution of electricity from grid supply points or generation sets or other Entry Points to the points of delivery to Customers or Users; or any transmission licensee in its as operator of that licensee s transmission system or the GB transmission system; and includes any remote transmission assets (owned by a transmission licensee within England and Wales) that are operated by that authorised distributor and any electrical plant, electricity meters, and Metering Equipment owned or operated by it in connection with the distribution of electricity, but does not include any part of the GB transmission system. The EHV Distribution Charging Methodology used for calculating s to Designated EHV Properties as required by standard licence condition 13B of the Electricity Distribution Licence. Any person who is authorised by an Electricity Distribution Licence to distribute electricity. The Electricity Distribution Licence granted or treated as granted pursuant to section 6(1) of the Electricity Act This refers to an LDNO operating a distribution network which is embedded within another distribution network. An electricity Distribution System operated by an LDNO and embedded within another distribution network. A boundary point at which electricity is exported onto a Distribution System to a connected installation or to another Distribution System, not forming part of the total system ( boundary point and total system having the meaning given to those terms in the BSC). A point of connection at which a supply of electricity may flow from the Distribution System to the Customer s Installation or User s Installation or the Distribution System of another person. Nominal voltages of 22kV and above. As established by the Utilities Act A metered connection between the National Grid Electricity Transmission (NGET) system and The licensee s Distribution System at which electricity flows to or from the Distribution System. Grid Supply Point Group; a distinct electrical system, that is supplied from one or more Grid Supply Points for which total supply into the GSP Group can be determined for each half-hour. Nominal voltages of at least 1kV and less than 22kV Page 18 of 38

19 Term Host DNO Intermediate LDNO Invalid Settlement Combination kva kvarh kw kwh Licensed Distribution Network Operator (LDNO) Line Loss Factor (LLF) Line Loss Factor Class (LLFC) Low Voltage (LV) Low Voltage substation (LV Sub) Market Domain Data (MDD) Maximum Capacity (MEC) Maximum Capacity (MIC) Definition A distribution network operator that is responsible for a Distribution Services Area as defined in Standard conditions of the Electricity Distribution Licence An embedded licensed distribution network operator that is responsible for a Distribution System between a Host DNO and another Embedded Distribution System. A Settlement combination that is not recognised as a valid combination in Market Domain Data. Kilovolt amperes Kilovolt ampere reactive hour Kilowatt Kilowatt hour (equivalent to one unit of electricity) The holder of a licence in respect of distribution activities in Great Britain. The factor which is used in Settlement to adjust the Metering System volumes to take account of losses on the Distribution System. An identifier assigned to an SVA Metering System which is used to assign the LLF and Use of System Charges. Nominal voltages below 1kV LV Sub applies to Customers connected to the licensee's distribution system at a voltage of less than 1 kv at a substation with a primary voltage (the highest operating voltage present at the substation) of at least 1 kv and less than 22 kv, where the current transformer used for the Customer s settlement metering is located at the substation. Market Domain Data is a central repository of reference data used by all Users involved in Settlement. It is essential to the operation of Supplier Volume Allocation (SVA) Trading Arrangements. The Maximum Capacity of apparent power expressed in kva that has been agreed can flow through the Entry Point to the Distribution System from the Customer s installation as specified in the connection agreement. The Maximum Capacity of apparent power expressed in kva that has been agreed can flow through the Exit Point from the Distribution System to the Customer s installation as specified in the connection agreement. Page 19 of 38

20 Term Measurement Class Metering Point Metering System Metering Point Administration Number (MPAN) MRA Meter Timeswitch Class (MTC) Nested LDNO Nested Networks Ofgem Profile Class (PC) SHEPD Settlement Settlement Class (SC) Standard Settlement Configuration (SSC) Definition A classification of Metering Systems which indicates how Consumption is measured i.e. Non Half Hourly Metering Equipment (equivalent to Measurement Class A ) Non Half Hourly Unmetered Supplies (equivalent to Measurement Class B ) Half Hourly Metering Equipment at above 100kW Premises (equivalent to Measurement Class C ) Half Hourly Unmetered Supplies (equivalent to Measurement Class D ) Half Hourly Metering Equipment at below 100kW Premises (equivalent to Measurement Class E ). The point at which electricity is exported to or imported from the licensee s Distribution System is measured, is deemed to be measured, or is intended to be measured and which is registered pursuant to the provisions of the MRA. (For the purposes of this statement Grid Supply Points are not Metering Points ) Particular commissioned metering equipment installed for the purposes of measuring the quantities of s and s at the Boundary Point. A number relating to a Metering Point under the MRA. The Master Registration Agreement. Meter Timeswitch Classes (MTCs) are three digit codes allowing Suppliers to identify the metering installed in Customers premises. They indicate whether the meter is single or multi rate, pre-payment or credit, or whether it is related to another meter. A distribution system operator that is responsible for a Nested Network. This refers to a situation where there is more than one level of Embedded Network and therefore nested distribution systems between LDNOs (e.g. Host DNO intermediate LDNO nested LDNO Customer). Office of Gas and Electricity Markets Ofgem is governed by GEMA and is responsible for the regulation of the distribution companies. A categorisation applied to NHH MPANs and used in Settlement to group customers with similar consumption patterns to enable the calculation of consumption profiles. Scottish Hydro Electric Power Distribution plc The determination and settlement of amounts payable in respect of s (including reconciling s) in accordance with the Balancing and Settlement Code The combination of Profile Class, Line Loss Factor Class, Time Pattern Regime and Standard Settlement Configuration, by Supplier within GSP Group and used for Settlement. A standard metering configuration relating to a specific combination of TPRs. Page 20 of 38

21 Term Supercustomer Supercustomer DUoS Report Supplier Supplier Volume Allocation (SVA) Supplier Volume Allocation Agent (SVAA) Time Pattern Regime (TPR) Unmetered Supplies Use of System Charges User/s Definition The method of billing Users for Use of System on an aggregated basis, grouping consumption and standing s for all similar NHH metered Customers together. A report of profiled data by Settlement Class providing counts of MPANs and units consumed. An organisation with a Supply License which can register itself as supplying electricity to or purchasing electricity from a Metering Point. As defined in the Balancing and Settlement Code. The agency which uses aggregated consumption data from the Data Aggregator to calculate Supplier purchases by Settlement Class for each Settlement day, and then passes this information to the relevant distributors and Suppliers across the national data transfer network. The pattern of switching behaviour though time that one or more meter registers follow. Exit Points deemed to be suitable as Unmetered Supplies as permitted in the Electricity (Unmetered Supply) Regulations 2001 and where operated in accordance with BSCP520. Charges for demand and generation Customers which are connected to and utilising the distribution network. Someone who has a use of system agreement with the DNO e.g. A Supplier, Generator or LDNO. Page 21 of 38

22 Additional Notes The Domestic and Non-Domestic off-peak (related MPAN) tariffs are supplementary to a standard unrestricted tariff. Off-peak terms are only available to metering points that are already on such terms and where: a) the customer retains the original off-peak equipment and the circuits from which the off-peak supply is taken are separated from all other circuits; b) the function of the off-peak equipment is not duplicated by other equipment connected to the other circuits; and c) off-peak equipment means appliances such as thermal storage heaters, storage water heaters or other equipment as agreed by SHEPD Generally, Domestic DUoS tariffs are available only to premises: a) used exclusively as a single private residence; or b) comprising more than one private residence where the estimated maximum demand of the supply does not exceed 25 kw Generally, the Small Non Domestic tariffs are only available to premises which use less than 70kW/kVA and have a whole current meter HV Medium Non-Domestic tariff is closed to new HV customers. All new HV customers will require half-hourly metering LV Sub HH Metered tariff will be applied for new customers from 1 st April If an existing customer (or his Supplier) makes a request for an exit point to be allocated as LV Sub HH Metered tariff, we would need to ratify that the validity criteria is met. If so, we will accommodate as appropriate. If an existing customer (or his Supplier) makes a request for an exit point to be allocated as Designated EHV Properties, we would need to ratify that the validity criteria is met. If so, we will accommodate as appropriate. Page 22 of 38

23 Annex 1 - Schedule of Charges for use of the Distribution System by LV and HV Designated Properties in SP Distribution Area (GSP Group _N) Scottish Hydro Electric Power Distribution plc - Effective from 1st April Final LV/HV Charges in SP Distribution Area (GSP Group _N) Time Bands for Half Hourly Metered Properties Time Bands for Half Hourly Unmetered Properties Time periods Red Time Band Amber Time Band Green Time Band Black Time Band Yellow Time Band Green Time Band Monday to Friday (Including Bank Holidays) All Year Monday to Friday (Including Bank Holidays) June to August Inclusive Monday to Friday (Including Bank Holidays) All Year Monday to Friday (Including Bank Holidays) November to February Inclusive Monday to Friday (Including Bank Holidays) All Year Monday to Friday (Including Bank Holidays) March to May, and September to October, Inclusive Saturday and Sunday All Year Saturday and Sunday Notes All the above times are in UK Clock time All other times Notes All the above times are in UK Clock time Open LLFCs PCs Unit rate 1 (red/black) Unit rate 2 (amber/yellow) Unit rate 3 (green) Fixed p/mpan/day Capacity Reactive power p/kvarh Excess Closed LLFCs Domestic Unrestricted Domestic Two Rate 381, 408, 411, , 409, 412, 421 Domestic Off Peak (related MPAN) Small Non Domestic Unrestricted 383, 413, Page 23 of 38

24 Open LLFCs PCs Unit rate 1 (red/black) Unit rate 2 (amber/yellow) Unit rate 3 (green) Fixed p/mpan/day Small Non Domestic Two Rate 384, 414, Capacity Reactive power p/kvarh Excess Closed LLFCs Small Non Domestic Off Peak (related MPAN) LV Medium Non-Domestic 385, 389, 415, 419, LV Sub Medium Non-Domestic HV Medium Non-Domestic 5-8 LV HH Metered 380, 410, LV Sub HH Metered HV HH Metered 386, 416, NHH UMS category A 401, 427, NHH UMS category B 402, 407, 428, NHH UMS category C 403, 429, NHH UMS category D 404, 430, LV UMS (Pseudo HH Metered) 400, LV Generation NHH LV Sub Generation NHH LV Generation LV Generation Non LV Sub Generation LV Sub Generation Non HV Generation HV Generation Non Notes: Annex 1_N - there is no applicable 5 discount for the Domestic Unrestricted and Domestic Two-Rate within the SP Distribution Services Area. HV Sub Generation and HV Sub Generation Non- removed from Annex 1 by Host DNO. Page 24 of 38

25 Annex 2 - Schedule of Charges for use of the Distribution System by Designated EHV Properties (including LDNOs with Designated EHV Properties/end-users) in SP Distribution Area (GSP Group _N) Note: The list of MPANs / MSIDs provided may be incomplete; the DNO reserves the right to apply the listed s to any other MPANs / MSIDs associated with the site. Scottish Hydro Electric Power Distribution plc - Effective from 1st April Final EDCM Charges in SP Distribution Area (GSP Group _N) Time Periods for Designated EHV Properties Time periods Super Red Time Band Monday to Friday (Including Bank Holidays) June to August Inclusive Monday to Friday (Including Bank Holidays) November to February Inclusive Notes 16:30-19:30 All the above times are in UK Clock time Unique Identifier LLFC MPANs/ MSIDs Unique Identifier LLFC MPANs/ MSIDs Name Super Red unit rate () fixed (p/day) rate () exceeded rate () Super Red unit rate () fixed (p/day) rate () exceeded rate () Page 25 of 38

26 Annex 3 - Schedule of Charges for use of the Distribution System to Preserved/Additional LLFC Classes in SP Distribution Area (GSP Group _N) Scottish Hydro Electric Power Distribution plc - Effective from 1st April Final LV/HV Tariffs in SP Distribution Area (GSP Group _N) NHH preserved s/additional LLFCs Closed LLFCs PCs Unit rate 1 Unit rate 2 Unit rate 3 Fixed p/mpan/day Notes: Unit time periods are as specified in the SSC. SP Distribution uses a default tariff for invalid settlement combinations these will be d at the Domestic Unrestricted Rates. The Domestic and Non-Domestic Off Peak (related MPAN) tariffs are supplementary to a standard published tariff and therefore only available under these conditions. Preserved tariffs are only available to existing supplies, subject to certain conditions: a) Suppliers may not normally transfer a meter point from one preserved tariff to another preserved tariff; b) If a supply under a preserved tariff should cease, other than on change of tenancy, the preserved tariff may not normally be restored; c) Any additional load required to be supplied on the preserved tariff must be within the existing supply. Page 26 of 38

27 Annex 4 - Charges applied to LDNOs with HV/LV end users in SP Distribution Area (GSP Group _N) Scottish Hydro Electric Power Distribution plc - Effective from 1st April Final LDNO Tariffs in SP Distribution Area (GSP Group _N) Time Bands for Half Hourly Metered Properties Time Bands for Half Hourly Unmetered Properties Time periods Red Time Band Amber Time Band Green Time Band Black Time Band Yellow Time Band Green Time Band Monday to Friday (Including Bank Holidays) All Year Monday to Friday (Including Bank Holidays) All Year Monday to Friday (Including Bank Holidays) All Year Saturday and Sunday All Year Monday to Friday (Including Bank Holidays) June to August Inclusive Monday to Friday (Including Bank Holidays) November to February Inclusive Monday to Friday (Including Bank Holidays) March to May, and September to October, Inclusive Notes All the above times are in UK Clock time All other times Saturday and Sunday Notes All the above times are in UK Clock time Unique billing identifier PCs Unit rate 1 (red/black) Unit rate 2 (amber/yellow) Unit rate 3 (green) Fixed p/mpan/day Capacity Reactive power p/kvarh Excess LDNO LV: Domestic Unrestricted LDNO LV: Domestic Two Rate LDNO LV: Domestic Off Peak (related MPAN) Page 27 of 38

28 Unique billing identifier PCs Unit rate 1 (red/black) Unit rate 2 (amber/yellow) Unit rate 3 (green) Fixed p/mpan/day Capacity Reactive power p/kvarh Excess LDNO LV: Small Non Domestic Unrestricted LDNO LV: Small Non Domestic Two Rate LDNO LV: Small Non Domestic Off Peak (related MPAN) LDNO LV: LV Medium Non-Domestic LDNO LV: LV HH Metered LDNO LV: NHH UMS category A LDNO LV: NHH UMS category B LDNO LV: NHH UMS category C LDNO LV: NHH UMS category D LDNO LV: LV UMS (Pseudo HH Metered) LDNO LV: LV Generation NHH LDNO LV: LV Generation LDNO LV: LV Generation Non LDNO HV: Domestic Unrestricted LDNO HV: Domestic Two Rate LDNO HV: Domestic Off Peak (related MPAN) LDNO HV: Small Non Domestic Unrestricted LDNO HV: Small Non Domestic Two Rate Page 28 of 38

29 Unique billing identifier PCs Unit rate 1 (red/black) Unit rate 2 (amber/yellow) Unit rate 3 (green) Fixed p/mpan/day Capacity Reactive power p/kvarh Excess LDNO HV: Small Non Domestic Off Peak (related MPAN) LDNO HV: LV Medium Non-Domestic LDNO HV: LV HH Metered LDNO HV: LV Sub HH Metered LDNO HV: HV HH Metered LDNO HV: NHH UMS category A LDNO HV: NHH UMS category B LDNO HV: NHH UMS category C LDNO HV: NHH UMS category D LDNO HV: LV UMS (Pseudo HH Metered) LDNO HV: LV Generation NHH LDNO HV: LV Sub Generation NHH LDNO HV: LV Generation LDNO HV: LV Generation Non- LDNO HV: LV Sub Generation LDNO HV: LV Sub Generation Non LDNO HV: HV Generation LDNO HV: HV Generation Non Page 29 of 38

30 Unique billing identifier PCs Unit rate 1 (red/black) Unit rate 2 (amber/yellow) Unit rate 3 (green) Fixed p/mpan/day Capacity Reactive power p/kvarh Excess LDNO HVplus: Domestic Unrestricted LDNO HVplus: Domestic Two Rate LDNO HVplus: Domestic Off Peak (related MPAN) LDNO HVplus: Small Non Domestic Unrestricted LDNO HVplus: Small Non Domestic Two Rate LDNO HVplus: Small Non Domestic Off Peak (related MPAN) LDNO HVplus: LV Medium Non-Domestic LDNO HVplus: LV Sub Medium Non- Domestic LDNO HVplus: HV Medium Non- Domestic LDNO HVplus: LV HH Metered LDNO HVplus: LV Sub HH Metered LDNO HVplus: HV HH Metered LDNO HVplus: NHH UMS category A LDNO HVplus: NHH UMS category B LDNO HVplus: NHH UMS category C LDNO HVplus: NHH UMS category D LDNO HVplus: LV UMS (Pseudo HH Metered) LDNO HVplus: LV Generation NHH Page 30 of 38