Miscellaneous Petition No. 9/2011. Case: In Re: Andhra Pradesh Power Generation Corporation Ltd. Vs. Central Electricity Regulatory Commission

Case NumberMiscellaneous Petition No. 9/2011
JudgesPramod Deo, Chairperson, S. Jayaraman and V.S. Verma, Members
IssueElectricity Law
Judgement DateJune 28, 2011
CourtCentral Electricity Regulatory Commission

Order:

  1. This petition has been filed by the Andhra Pradesh Power Generation Corporation Ltd, (APGENCO) for relaxation of the provisions of Clause 5.2 (f) of the Indian Electricity Grid Code (IEGC), 2010 in exercise of power under Clause (4) of Part 7 of the IEGC, 2010 and to grant exemption from, and extension of time, for implementation of RGMO in the thermal and hydro generating stations of the Petitioner, as detailed below:

    (a) Exemption from RGMO

    Sl.No

    Thermal/Hydro generating stations

    1

    Dr. Narla Tata Rao Thermal Power Station (420MW) LMW Units-I and II

    2

    Donkarayi Power House 1x 25MW

    3

    Nagarjunasagar Right Canal Power house 3 x 30 MW

    4

    Nagarjunasagar Left Canal Power house 2 x 30 MW

    5

    Penna Ahobilam Power house 2 x 10 MW

    (b) Extension of time for RGMO

    Sl.No

    Thermal/Hydro generating stations

    Extension up to

    i.

    Dr. NTTPS- 3 X 210 KWU Units 3, 5 & 6

    31.12.2011

    ii.

    Dr. NTTPS- 1 X 2010 KWU Unit 4 and 1 X 500 KWU Unit 7

    31.12.2011

    iii.

    RTPP- 2 X 210 KWU Unit 1

    31.12.2011

    iv.

    RTPP- 2 X 210 KWU Unit 2

    31.12.2012

    v.

    RTPP- 2 X 210 KWU Unit 3 & 4

    31.12.2011

    vi.

    KTPS- Stage- V- 2 X 250 MW KWU Units 9 & 10

    31.12.2011

    vii.

    KTPP- 1 X 200 MW KWU Unit 1

    31.12.2011

    viii.

    Machkund HEP- 3 X 23 MW + 3X 17 MW

    31.12.2013

    ix.

    Upper Sileru PH- 4 X 60 MW

    31.12.2012

    x.

    Lower Sileru PH- 7 X 110 MW

    31.12.2012

    xi.

    Srisailam RBPH- 7 X 110 MW

    30.06.2012

    xii.

    Srisailam LBPH- 6 X 150 MW

    31.12.2013

    xiii.

    Nagarjunasagar- 1 X 110 MW + 7 X 100.8 MW

    31.12.2013

    xiv.

    Jurala- 4 X 39 MW

    31.12.2012

    Background

  2. In Petition No. 66/2003 (SRLDC v. NTPC) and in other connected petitions, the Commission by its order dated 20.8.2009 directed the implementation of Restricted Governor Mode operation (RGMO) as under:

  3. Based on the above and having specific regard to the prevailing condition of shortage, we direct the implementation of only restricted governor operation in various types of thermal and hydro units as per the following schedule:

    (a) KWU & LMZ turbines for thermal sets of 200 MW and above:

    (i) Software based EHG system

    : 1.3.2010

    (ii) Hardware based EHG system where boiler controls are in auto

    : 1.6.2010

    (b) Hydro units of 10 MW and above

    : 1.3.2010

    (b) Hydro units of 10 MW and above: 1.3.2010

  4. All the generating companies are directed to place before the Commission, within a month, their action plan in line with the above...

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