Suo-motu Petition No. 208/2011. Case: In re: EE (SLDC-EO), U.P. Power Corporation Ltd. Shakti Bhawan, Lucknow, Uttar Pradesh and Ors. Vs. Central Electricity Regulatory Commission
| Case Number | Suo-motu Petition No. 208/2011 |
| Judges | Dr. Pramod Deo, Chairperson, Shri V.S. Verma, Member Shri and M. Deena Dayalan, Member |
| Issue | Electricity Law |
| Judgement Date | December 01, 2011 |
| Court | Central Electricity Regulatory Commission |
Order:
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Regulation 5.4.2 (d) of the Central Electricity Regulatory Commission (Indian Electricity Grid Code) Regulations, 2010 as amended from time to time (hereinafter referred to as "Grid Code") provides for implementation of demand management schemes by State Load Despatch Centres through their respective State Electricity Boards/Distribution Licensees. Regulation 5.4.2 of Grid Code is extracted below:
5.4.2 Demand Disconnection
(a) SLDC/ SEB/distribution licensee and bulk consumer shall initiate action to restrict the drawal of its control area, from the grid, within the net drawal schedule whenever the system frequency falls to 49.7 Hz
(b) The SLDC/ SEB/distribution licensee and bulk consumer shall ensure that requisite load shedding is carried out in its control area so that there is no overdrawal when frequency is 49.5 Hz. or below.
(c) Each User/STU/SLDC shall formulate contingency procedures and make arrangements that will enable demand disconnection to take place, as instructed by the RLDC/SLDC, under normal and/or contingent conditions. These contingency procedures and arrangements shall regularly be / updated by User/STU and monitored by RLDC/SLDC. RLDC/SLDC may direct any User/STU to modify the above procedures/arrangement, if required, in the interest of grid security and the concerned User/STU shall abide by these directions.
(d) The SLDC through respective State Electricity Boards/Distribution Licensees shall also formulate and implement state-of-the-art demand management schemes for automatic demand management like rotational load shedding, demand response (which may include lower tariff for interruptible loads) etc. before 1.1.2011, to reduce overdrawal in order to comply para 5.4.2 (a) and (b). A Report detailing the scheme and periodic reports on progress of implementation of the schemes shall be sent to the Central Commission by the concerned SLDC.
(e) In order to maintain the frequency within the stipulated band and maintaining the network security, the interruptible loads shall be arranged in four groups of loads, for scheduled power cuts/load shedding, loads for unscheduled load shedding, loads to be shed through under frequency relays df/dt relays and loads to be shed under any System Protection Scheme identified at the RPC level. These loads shall be grouped in such a manner, that there is no overlapping between different Groups of loads. In case of certain contingencies and/or threat to system security, the...
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