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  • Tamil Nadu Electricity Regulatory Commission Page i

    TAMIL NADU ELECTRICITY REGULATORY

    COMMISSION

    Determination of Intra-State Transmission Tariff and

    other related charges

    Order in T.P. No. 2 of 2017 dated 11-08-2017

    (effective from 11-08-2017)

  • Tamil Nadu Electricity Regulatory Commission Page ii

    TAMIL NADU ELECTRICITY REGULATORY COMMISSION

    (Constituted under Section 82(1) of Electricity Act, 2003)

    (Central Act 36 of 2003)

    PRESENT

    Thiru. S. Akshayakumar Chairman

    Thiru. G. Rajagopal Member

    Dr. T. Prabhakara Rao - Member

    Order in T.P. No. 2 of 2017 dated 11-08-2017

    In the matter of: Determination of Intra-State Transmission Tariff and other

    related charges

    In exercise of powers conferred by Clause (b) of sub-section (1) of Section 62 and

    Clause (a) of sub-section (1) of Section 86 of the Electricity Act, 2003 (Central Act 36

    of 2003) and all other powers hereunto enabling in that behalf and after considering the

    views of the State Advisory Committee meeting held on July 20, 2017 and after

    considering suggestions and objections received from the public during the public

    hearings held on July 25, 2017, July 28, 2017 and August 2, 2017, as per sub-section

    (3) of Section 64 of the said Act, the Tamil Nadu Electricity Regulatory Commission

    hereby passes this Order for Intra-State Transmission Tariff and other related charges.

    This Order shall take effect on and from August 11, 2017.

    Sd/-

    (Dr. T. Prabhakara Rao)

    Member

    Sd/-

    (G. Rajagopal)

    Member

    Sd/-

    (S. Akshayakumar)

    Chairman

    (By Order of the Commission)

    Sd/-

    (S. Chinnarajalu)

    Secretary, TNERC

    http://www.tnerc.gov.in/honour.htm#M2http://www.tnerc.gov.in/honour.htm#raohttp://www.tnerc.gov.in/honour.htm#M2

  • Tamil Nadu Electricity Regulatory Commission Page iii

    LIST OF ABBREVIATIONS

    A&G Administration and General Expenses

    ABC Aerial Bunched Cables

    AMR Automatic Meter Reading

    APTEL Appellate Tribunal for Electricity

    ARR Aggregate Revenue Requirement

    ATC Allotted Transmission Capacity

    C&AG Comptroller & Auditor General of India

    CAG Civic Action Group

    CAGR Compounded Annual Growth Rate

    CERC Central Electricity Regulatory Commission

    CGS Central Generating Station

    CIP Capital Investment Plan

    CONFET Consumer Federation Tamil Nadu

    COD Date of Commercial Operation

    COS Cost of Supply

    CPP Captive Power Plant

    CPS Contributory Pension Scheme

    CSD Consumer Security Deposit

    CSS Cross Subsidy Surcharge

    CTU Central Transmission Utility

    CWIP Capital Work in Progress

    DA Dearness Allowance

    EA Electricity Act

    EHV Extra High Voltage

    FERV Foreign Exchange Rate Variation

    FRP Financial Restructuring Plan

  • Tamil Nadu Electricity Regulatory Commission Page iv

    FY Financial Year

    GFA Gross Fixed Assets

    G.O. Government Order

    GPF General Provident Fund

    GoI Government of India

    GoTN Government of Tamil Nadu

    HT High Tension

    HUDCO Housing and Urban Development Corporation

    HVDS High Voltage Distribution System

    IDC Interest During Construction

    IEGC Indian Electricity Grid Code

    IPP Independent Power Producer

    IWPA Indian Wind Power Association

    IoWC Interest on Working Capital

    JICA Japan International Co-operation Agency

    kWh kilo-Watt hour

    LIC Life Insurance Corporation of India

    LT Low Tension

    LTOA Long Term Open Access

    LV Low Voltage

    MTOA Medium Term Open Access

    MU Million Units

    MW Mega-Watt

    MYT Multi-Year Tariff

    NABARD National Bank for Agriculture and Rural Development

    O&M Operation & Maintenance

    PFC Power Finance Corporation Limited

  • Tamil Nadu Electricity Regulatory Commission Page v

    PLF Plant Load Factor

    PoC Point of Connection

    PPA Power Purchase Agreement

    R&M Repairs & Maintenance

    RE Renewable Energy

    REC Renewable Energy Certificate

    RoE Return on Equity

    SBI PLR State Bank of India Prime Lending Rate

    SLDC State Load Despatch Centre

    STOA Short Term Open Access

    STU State Transmission Utility

    T&D Transmission & Distribution

    TANGEDCO Tamil Nadu Generation and Distribution Corporation Ltd.

    TANTRANSCO Tamil Nadu Transmission Corporation Ltd.

    TASMA Tamil Nadu Spinning Mills Association

    TNEB Tamil Nadu Electricity Board

    TNERC Tamil Nadu Electricity Regulatory Commission

    TO Tariff Order

    TP Tariff Policy

    UoM Unit of Measurement

  • Tamil Nadu Electricity Regulatory Commission Page vi

    TABLE OF CONTENTS

    1 INTRODUCTION ............................................................................................................................ 1

    1.1 PREAMBLE ...................................................................................................................................... 1

    1.2 THE ELECTRICITY ACT, 2003, TARIFF POLICY AND REGULATIONS .............................................. 2

    1.3 TARIFF FILING ................................................................................................................................ 5

    1.4 PROCEDURE ADOPTED ................................................................................................................... 6

    1.5 TRANSFER SCHEME ........................................................................................................................ 7

    1.6 UNBUNDLING OF TNEB ............................................................................................................... 10

    1.7 BRIEF NOTE ON PUBLIC HEARING ............................................................................................... 10

    1.8 APPLICABILITY OF ORDER ........................................................................................................... 11

    1.9 LAYOUT OF THE ORDER ............................................................................................................... 11

    1.10 APPROACH OF THE ORDER ......................................................................................................... 12

    2 STAKEHOLDERS COMMENTS, TANTRANSCOS REPLY AND COMMISSIONS VIEW 13

    2.1 BACKGROUND .............................................................................................................................. 13

    2.2 TARIFF DETERMINATION, UNDUE DELAY IN PROCESS AND MATTER OF NON-FILING OF TARIFF

    PETITION ............................................................................................................................................... 13

    2.3 TRANSMISSION CHARGES ............................................................................................................ 16

    2.4 O&M EXPENSES .......................................................................................................................... 18

    2.5 CAPITAL EXPENDITURE ............................................................................................................... 19

    2.6 RETURN ON EQUITY ..................................................................................................................... 20

    2.7 DEPRECIATION ............................................................................................................................. 20

    2.8 INTEREST ON LOAN ...................................................................................................................... 21

    2.9 INTEREST ON WORKING CAPITAL ................................................................................................ 22

    2.10 OTHER INCOME .......................................................................................................................... 23

    2.11 SCHEDULING AND SYSTEM OPERATION CHARGES .................................................................... 23

    2.12 ALLOTTED CAPACITY ................................................................................................................ 24

    2.13 TRANSMISSION LOSSES .............................................................................................................. 25

    2.14 HARMONICS ............................................................................................................................... 25

    3 FINAL TRUE-UP FOR FY 2011-12 TO FY 2015-16 ................................................................... 27

    3.1 BACKGROUND .............................................................................................................................. 27

    3.2 FIXED EXPENSES .......................................................................................................................... 27

  • Tamil Nadu Electricity Regulatory Commission Page vii

    3.3 OPERATION AND MAINTENANCE (O&M) EXPENSES ................................................................... 27

    3.4 CAPITAL EXPENDITURE AND CAPITALISATION ........................................................................... 30

    3.5 GFA AND DEPRECIATION ............................................................................................................ 33

    3.6 INTEREST AND FINANCE CHARGES .............................................................................................. 36

    3.7 INTEREST ON W

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