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  • Historical Use of System charges consultations

  • This page lists Use of System Charging Modifications raised prior to 1st January 2011 which are under consultation, awaiting a decision by the Authority or have been approved.
  • GB ECM-27 BSUoS Removing End of Scheme Year Reconciliation Process

  • 09 Oct 2013
    Authority Decision Letter
    146 KB

    09 Oct 2013
    Conclusions report
    159 KB

    09 Oct 2013
    GB ECM27 BSUoS
    546 KB

    09 Oct 2013
    Responses to the consultation
    205 KB

  • GB ECM-26 Review of Interconnector Charging Arrangements

  • 09 Oct 2013
    Authority Decision Letter
    174 KB

    09 Oct 2013
    Conclusions Report
    219 KB

    09 Oct 2013
    Covering letter to the Authority
    15 KB

    09 Oct 2013
    GB ECM-26 Review of Interconnector Charging
    69 KB

    09 Oct 2013
    Responses to the consultation
    3441 KB

  • GB ECM-25 Review of Intermittent Generation Charging

  • 09 Oct 2013
    GB ECM-25 Consultation Document
    426 KB

    09 Oct 2013
    Responses to Consultation
    3457 KB

    09 Oct 2013
    Update on progress
    21 KB

  • GB ECM-24 Offshore Charging Update

  • 09 Oct 2013
    GB ECM-24 Consultation Document
    212 KB

    09 Oct 2013
    Responses to consultation
    1514 KB

    09 Oct 2013
    Conclusions Report to the Authority
    331 KB

    09 Oct 2013
    Covering Letter to the Authority
    19 KB

    09 Oct 2013
    Authority decision letter
    164 KB

  • GB ECM-23 Charging Arrangements for Distributed Generation

  • 09 Oct 2013
    GB ECM-23 Pre-Consultation
    272 KB

    09 Oct 2013
    Industry Responses to Pre-Consultation
    3900 KB

    09 Oct 2013
    Industry Responses Additional
    79 KB

    09 Oct 2013
    Working Group Meeting 1 - Presentation
    1854 KB

    09 Oct 2013
    Working Group Meeting 2 - presentation
    1441 KB

    09 Oct 2013
    Working Group Meeting 3 - Presentation
    743 KB

    09 Oct 2013
    Working Group Meeting 4 - Presentation
    721 KB

  • GB ECM-22 Exemptable Generation Connected to Embedded Transmission

  • 09 Oct 2013
    GB ECM-22 Consultation Document
    211 KB

    09 Oct 2013
    GB ECM-22 responses
    76 KB

    09 Oct 2013
    EON UK withdrawal letter
    42 KB

    09 Oct 2013
    NG confirmation of no further action
    24 KB

  • GB ECM-21 Changing Tariffs Mid-year

  • 09 Oct 2013
    GB ECM-21 Consultation Document
    310 KB

    09 Oct 2013
    Responses to Consultation
    526 KB

    09 Oct 2013
    Conclusions Report
    636 KB

    09 Oct 2013
    Covering Letter to the Authority
    19 KB

    09 Oct 2013
    Authority Decision Letter
    194 KB

  • GB ECM-20 Island Connections

  • 09 Oct 2013
    GB ECM-20 Consultation Document
    153 KB

    09 Oct 2013
    Responses to consultation
    1105 KB

  • GB ECM-19 Largest Loss Frequency Response

  • 13 Feb 2014
    Responses to the pre-consultation
    1087 KB

    13 Feb 2014
    Late Response to Pre-Consultation BWEA
    186 KB

    13 Feb 2014
    Charging for Large Loss Frequency Response
    433 KB

    13 Feb 2014
    ECM19 Consultation - Note of Clarification
    160 KB

    13 Feb 2014
    Consultation Responses
    2025 KB

    13 Feb 2014
    Letter to the Authority
    25 KB

  • GB ECM-18 Locational BSUoS

  • 13 Feb 2014
    GB ECM-18 Locational BSUoS Consultation Re-Issue
    266 KB

    13 Feb 2014
    Consultation responses
    2148 KB

    13 Feb 2014
    Conclusions Report to the Authority - Volume 1
    932 KB

    13 Feb 2014
    Conclusions Report to the Authority - Volume 2
    1534 KB

    13 Feb 2014
    Covering letter to the Authority
    22 KB

    13 Feb 2014
    Letter from Ofgem
    125 KB

    13 Feb 2014
    NGET withdrawal of GB-ECM18 report to the Authority
    17 KB

    13 Feb 2014
    GB ECM18 Locational BSUoS addendum to report
    607 KB

    13 Feb 2014
    Addendum Covering Letter
    35 KB

    13 Feb 2014
    Authority's decision to veto
    192 KB

    13 Feb 2014
    Locational BSUoS Constraint Costing Methodology
    79 KB

  • GB ECM-17 Transmission Charging - A New Approach

  • 13 Feb 2014
    Transmission Charging - A New Approach Pre-Consultation
    110 KB

    13 Feb 2014
    Responses to pre-consultation
    3709 KB

    13 Feb 2014
    Transmission Charging - A New Approach Consultation
    712 KB

    13 Feb 2014
    Responses to consultation
    6939 KB

    13 Feb 2014
    Conclusions Report
    373 KB

  • GB ECM-16 Long Term Entry Capacity Auctions

  •  This title was assigned to the future consequential mod associated with TAR proposal 166.

  • GB ECM-15 Long-Term Fixed TNUoS Tariffs

  • 13 Feb 2014
    Long-Term Fixed TNUoS Tariffs - Pre Consultation
    219 KB

    13 Feb 2014
    Responses to pre-consultation GB ECM-15
    475 KB

  • GB ECM-14 Consequential - CAP161, 162, 163, 164

  • 13 Feb 2014
    Pre-consultation consequential impact
    571 KB

    13 Feb 2014
    Responses to pre-consultation GB ECM14
    1364 KB

    13 Feb 2014
    Consequential impact of CUSC ammendment CAP161 162 163
    1377 KB

    13 Feb 2014
    Responses to the Consultation
    284 KB

  • GB ECM-13 TNUoS Residual Generation Tariff

  • 13 Feb 2014
    TNUoS Residual Gen Tariff -Pre Consultation Issue v1-1
    116 KB

    13 Feb 2014
    Responses to pre-consultation GB ECM-13
    636 KB

    13 Feb 2014
    TNUoS Residual Generation Tariff - Consultation
    307 KB

    13 Feb 2014
    Responses to consultation
    420 KB

  • GB ECM-12 200809 Inter TSO Compensation (ITC) mechanism

  • 13 Feb 2014
    Issues - GB participation in the ITC mechanism
    222 KB

    13 Feb 2014
    Industry responses to GB ECM12
    109 KB

  • GB ECM-11 Local Assets

  • 12 Feb 2014
    Response Pre Consultation - British Energy
    199 KB

    12 Feb 2014
    Response to Pre Consultation - British Energy
    241 KB

    12 Feb 2014
    Response to Pre Consultation - Centrica
    48 KB

    12 Feb 2014
    Response to Pre Consultation - EDF Energy
    107 KB

    12 Feb 2014
    Response to Pre Consultation - EON
    119 KB

    12 Feb 2014
    Response to Pre Consultation - International Power
    122 KB

    12 Feb 2014
    Response to Pre Consultation - Magnox
    23 KB

    12 Feb 2014
    Response to Pre Consultation - RWE
    64 KB

    12 Feb 2014
    Response to Pre Consultation - Scottish Power
    22 KB

    12 Feb 2014
    Response to Pre Consultation - Welsh Power
    1052 KB

    12 Feb 2014
    Consultation for Charging arrangements associated with generator local assets
    606 KB

    12 Feb 2014
    Response to Consultation - British Energy
    129 KB

    12 Feb 2014
    Response to Consultation - BWEA
    186 KB

    12 Feb 2014
    Response to Consultation - EDF Energy
    95 KB

    12 Feb 2014
    Response to Consultation - EON
    50 KB

    12 Feb 2014
    Response to Consultation - Falck Renewables
    40 KB

    12 Feb 2014
    Response to Consultation - First Hydro
    104 KB

    12 Feb 2014
    Response to Consultation - Highlands and Islands Enterprise
    80 KB

    12 Feb 2014
    Response to Consultation - RES
    104 KB

    12 Feb 2014
    Response to Consultation - RWE npower
    34 KB

    12 Feb 2014
    Response to Consultation - Scottish Power
    117 KB

    12 Feb 2014
    Response to Consultation - Scottish Renewables
    34 KB

    12 Feb 2014
    Response to Consultation - SSE
    62 KB

    12 Feb 2014
    Response to Consultation - West Coast Energy
    109 KB

    12 Feb 2014
    Conclusions Report to the Authority
    145 KB

    12 Feb 2014
    Covering Letter to the Authority
    24 KB

    12 Feb 2014
    Authority Decision Letter
    248 KB

  • GB ECM-10 Generation Zoning

  • 12 Feb 2014
    Generation Zoning - Pre Consultation
    431 KB

    12 Feb 2014
    Response to Pre Consultation - British Energy
    242 KB

    12 Feb 2014
    Response to Pre Consultation - Carron Energy
    52 KB

    12 Feb 2014
    Response to Pre Consultation - Centrica
    33 KB

    12 Feb 2014
    Response to Pre Consultation - EDF Energy
    72 KB

    12 Feb 2014
    Response to Pre Consultation - Eon
    49 KB

    12 Feb 2014
    Response to Pre Consultation - RWE npower
    20 KB

    12 Feb 2014
    Response to Pre Consultation - Scottish Power
    12 KB

    12 Feb 2014
    Response to Pre Consultation - SSE
    20 KB

  • GB ECM-09 Design Variation Discount

  • 12 Feb 2014
    Design Variation Discount Consultation
    220 KB

    12 Feb 2014
    Response to Consultation - British Energy
    241 KB

    12 Feb 2014
    Response to Consultation - Centrica
    52 KB

    12 Feb 2014
    Response to Consultation - EDF Energy
    132 KB

    12 Feb 2014
    Response to Consultation - Eon
    45 KB

    12 Feb 2014
    Response to Consultation - Falck Renewables
    2081 KB

    12 Feb 2014
    Response to Consultation - Intergen
    48 KB

    12 Feb 2014
    Response to Consultation - RWE npower
    48 KB

    12 Feb 2014
    Response to Consultation - Scottish Power
    24 KB

    12 Feb 2014
    Response to Consultation - Scottish Renewables Forum
    111 KB

    12 Feb 2014
    Response to Consultation - SSE
    69 KB

    12 Feb 2014
    Response to Consultation - West Coast Energy
    1477 KB

    12 Feb 2014
    Response to Consultation - Wind Energy
    152 KB

    12 Feb 2014
    Response to Consultation - Wind Energy (Addendum)
    98 KB

    12 Feb 2014
    National Grid Letter to the Authority
    40 KB

    12 Feb 2014
    Authority Response
    43 KB

  • GB ECM-08 Charging Arrangements Associated with Offshore Transmission Networks

  • 12 Feb 2014
    Response to Pre Consultation - British Energy
    18 KB

    12 Feb 2014
    Response to Pre Consultation - BWEA
    60 KB

    12 Feb 2014
    Response to Pre Consultation - Centrica
    82 KB

    12 Feb 2014
    Response to Pre Consultation - EDF Energy
    247 KB

    12 Feb 2014
    Response to Pre Consultation - EON
    43 KB

    12 Feb 2014
    Response to Pre Consultation - Lewis Wind Power
    111 KB

    12 Feb 2014
    Response to Pre Consultation - RWE npower
    49 KB

    12 Feb 2014
    Response to Pre Consultation - SSE
    53 KB

    12 Feb 2014
    Response to Pre Consultation Centrica appendix
    38 KB

    12 Feb 2014
    Charging arrangements associated with the Offshore Transmission Networks Consultation
    246 KB

    12 Feb 2014
    Response to Consultation - Airtricity
    22 KB

    12 Feb 2014
    Response to Consultation - British Energy
    804 KB

    12 Feb 2014
    Response to Consultation - Centrica
    40 KB

    12 Feb 2014
    Response to Consultation - Dong
    1360 KB

    12 Feb 2014
    Response to Consultation - EDF
    68 KB

    12 Feb 2014
    Response to Consultation - Eon
    43 KB

    12 Feb 2014
    Response to Consultation - RWE npower
    17 KB

    12 Feb 2014
    Response to Consultation - Scottish Power
    14 KB

    12 Feb 2014
    Response to Consultation - SSE
    35 KB

    12 Feb 2014
    Response to Consultation - Warwick Energy
    29 KB

    12 Feb 2014
    Response to Consultation - Warwick Energy (Cover Letter)
    10 KB

    12 Feb 2014
    Offshore Charging Further Consultation
    446 KB

    12 Feb 2014
    Response to Further Consultation - British Energy
    48 KB

    12 Feb 2014
    Response to Further Consultation - BWEA
    40 KB

    12 Feb 2014
    Response to Further Consultation - Centrica
    34 KB

    12 Feb 2014
    Response to Further Consultation - EON
    61 KB

    12 Feb 2014
    Response to Further Consultation - RWE npower
    36 KB

    12 Feb 2014
    Response to Further Consultation - Scottish Power
    63 KB

    12 Feb 2014
    Response to Further Consultation - SSE
    57 KB

    12 Feb 2014
    Response to Further Consultation - Warwick Energy
    67 KB

    12 Feb 2014
    Response to Further Consultation - Warwick Energy (cover letter)
    16 KB

    12 Feb 2014
    Ofgem Letter
    135 KB

    12 Feb 2014
    Conclusions Report to the Authority
    373 KB

    12 Feb 2014
    Covering Letter to the Authority
    23 KB

    12 Feb 2014
    Authority Decision Letter
    280 KB

  • GB ECM-07 Adjustment of SYS TEC Data for Calculating 2007-8 TNUoS Tariffs

  • 12 Feb 2014
    Adjustment of SYS TEC Data for Calculating 2007-8 TNUoS Tariffs
    118 KB

    12 Feb 2014
    Response to Consultation - British Energy
    53 KB

    12 Feb 2014
    Response to Consultation - Carron Energy
    17 KB

    12 Feb 2014
    Response to Consultation - EDF Energy
    346 KB

    12 Feb 2014
    Response to Consultation - EDF Trading
    35 KB

    12 Feb 2014
    Response to Consultation - EON
    37 KB

    12 Feb 2014
    Response to Consultation - GE
    41 KB

    12 Feb 2014
    Response to Consultation - International Power
    22 KB

    12 Feb 2014
    Response to Consultation - Magnox
    23 KB

    12 Feb 2014
    Response to Consultation - RWE npower
    48 KB

    12 Feb 2014
    Response to Consultation - Scottish Power
    20 KB

    12 Feb 2014
    GB ECM-07 Conclusions Report
    772 KB

    12 Feb 2014
    Covering Letter
    22 KB

    12 Feb 2014
    Authority Decision Letter
    1521 KB

  • GB ECM-06 Charging arrangements associated with SQSS design variations based on customer requests

  • 12 Feb 2014
    SQSS Design Variation Pre-Consultation
    58 KB

    12 Feb 2014
    Response to Pre Consultation - Airtricity
    15 KB

    12 Feb 2014
    Response to Pre Consultation - British Energy
    35 KB

    12 Feb 2014
    Response to Pre Consultation - EDF Energy
    105 KB

    12 Feb 2014
    Response to Pre Consultation - EON
    86 KB

    12 Feb 2014
    Response to Pre Consultation - Highlands and Islands Enterprises
    24 KB

    12 Feb 2014
    Response to Pre Consultation - Lewis Wind Power
    25 KB

    12 Feb 2014
    Response to Pre Consultation - RWE npower
    86 KB

    12 Feb 2014
    Response to Pre Consultation - Scottish Power Energy
    20 KB

    12 Feb 2014
    Response to Pre Consultation - Scottish Power Transmission
    22 KB

    12 Feb 2014
    Response to Pre Consultation - SSE
    72 KB

    12 Feb 2014
    SQSS Design Variation Consultation
    167 KB

    12 Feb 2014
    Response to Consultation - Airtricity
    21 KB

    12 Feb 2014
    Response to Consultation - British Energy
    46 KB

    12 Feb 2014
    Response to Consultation - Centrica
    25 KB

    12 Feb 2014
    Response to Consultation - E_ON
    45 KB

    12 Feb 2014
    Response to Consultation - EDF Energy
    123 KB

    12 Feb 2014
    Response to Consultation - RES
    116 KB

    12 Feb 2014
    Response To Consultation - Scottish Power Energy
    19 KB

    12 Feb 2014
    Response to Consultation - Scottish Power Transmission
    20 KB

    12 Feb 2014
    Response to Consultation - SSE
    52 KB

    12 Feb 2014
    Response to Consultation - West Coast Energy
    96 KB

    12 Feb 2014
    GB ECM-06 Conclusions Report
    164 KB

    12 Feb 2014
    Covering Letter
    20 KB

    12 Feb 2014
    Authority Decision Letter
    642 KB

  • GB ECM-05 Manifest data errors in the calculation of TNUoS tariffs

  • 12 Feb 2014
    Manifest Errors Pre-Consultation
    56 KB

    12 Feb 2014
    Response to Pre-Consultation - EDF Energy
    61 KB

    12 Feb 2014
    Response to Pre-Consultation - RWE npower
    16 KB

    12 Feb 2014
    Response to Pre-Consultation - Scottish Power
    13 KB

    12 Feb 2014
    Manifest Errors Consultation
    81 KB

    12 Feb 2014
    Covering Letter
    26 KB

    12 Feb 2014
    Response to Consultation - Bizz Energy
    15 KB

    12 Feb 2014
    Response to Consultation - British Energy
    26 KB

    12 Feb 2014
    Response to Consultation - EDF Energy
    141 KB

    12 Feb 2014
    Response to Consultation - Eon
    81 KB

    12 Feb 2014
    Response to Consultation - RWE npower
    16 KB

    12 Feb 2014
    Response to Consultation - Scottish Power
    13 KB

    12 Feb 2014
    GB ECM-05 Conclusions Report
    70 KB

    12 Feb 2014
    Authority Decision Letter
    403 KB

  • GB ECM-03 LDTEC Charges and GB ECM-04 Multiple STTEC Charges

  • 12 Feb 2014
    GB ECM-03 and GB ECM-04 Consultation
    121 KB

    12 Feb 2014
    Covering Letter
    18 KB

    12 Feb 2014
    British Energy Response
    31 KB

    12 Feb 2014
    EDF Energy Response
    67 KB

    12 Feb 2014
    Eon Response
    24 KB

    12 Feb 2014
    International Power Response
    66 KB

    12 Feb 2014
    RWE Response
    21 KB

    12 Feb 2014
    LDTEC Initial Thoughts Consultation
    71 KB

    12 Feb 2014
    GB ECM-03 Conclusions Report
    94 KB

    12 Feb 2014
    GB ECM-04 Conclusions Report
    94 KB

  • GB ECM-02 Negative Demand Tariffs

  • 12 Feb 2014
    GBECM 02 – Negative Demand Tariffs
    1417 KB

    12 Feb 2014
    Covering letter for GB ECM-02
    11 KB

    12 Feb 2014
    Covering letter for GB ECM-02 (re-issue)
    20 KB

    12 Feb 2014
    Conclusions Report to the Authority GB ECM-02
    1384 KB

    12 Feb 2014
    Conclusions Report to the Authority GB ECM-02 (re-issue)
    1417 KB

    12 Feb 2014
    Authority Decision
    2089 KB

  • GB ECM-01 One-off Charges for System to Generator Intertripping Schemes

  • 12 Feb 2014
    GBECM 01 - Proposal to clarify One Off charges for System to Generator Intertripping Schemes
    172 KB

    12 Feb 2014
    Industry Response British Energy
    27 KB

    12 Feb 2014
    Industry response RWE npower
    79 KB

    12 Feb 2014
    Industry Response Scottish Power
    92 KB

    12 Feb 2014
    GB ECM-01 Conclusions Report
    46 KB

    12 Feb 2014
    Authority Decision on GB ECM-01
    92 KB