RERC Regulations 75Chapter VI · Tariff for Hydro Power Generating Stations

Section 75 · Scheduling

- Scheduling shall be as specified in the grid code approved by the Commission. Hydro power plants of capacity below 1 MW not be subject to scheduling. Declaration of available capacity should also include limitation on generation during specific time periods, if any, on account of restriction(s) on water use due to irrigation, drinking water, industrial, environmental considerations etc.It is clarified that: -

(1)

For run-of-river power stations without pondage: - Since variation of generation in such stations may lead to spillage, these shall be treated as must run stations. The maximum available capacity, duly taking into account the over load capability, must be equal to or greater than that required to make full use of the available water.

(2)

For run-of-river power station with pondage and storage type power stations:- These hydro stations are designed to operate during peak hours to meet system peak demand. Maximum available capacity of the station declared for the day shall be equal to the installed capacity including overload capability, minus auxiliary consumption and transformation losses, corrected for the reservoir level. The State Load Despatch Centre shall ensure that generation schedules of such type of stations are prepared and the stations dispatched for optimum utilization of available hydro energy except in the event of specific system requirements/constraints.

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