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State of Maharashtra - Section

Section 33 in The Maharashtra Electricity Regulatory Commission (Terms and Conditions of Tariff) Regulations, 2005

33. Norms for operation.

- 33.1 Thermal generating stations33.1.1Availability(a)Target availability for full recovery of annual fixed charges shall be 80 per cent(c)Target Plant Load Factor for incentive in accordance with Regulation 37 shall be 80 per cent33.1.2Auxiliary Energy Consumption(a)Coal-based generating stations
    With cooling tower Without cooling tower
(i) 200 MW series 9.0% 8.5%
(ii) 500 MW series    
  Steam driven boiler feed pumps 7.5% 7.0%
  Electrically driven boiler feed pumps 9.0% 8.5%
(b)Gas Turbine/Combined Cycle generating stations
(i) Combined cycle : 3.0%
(ii) Open cycle : 1.0%
(c)Lignite-fired thermal power generating stationsThe auxiliary energy consumption norms shall be 0.5 percentage point more than the auxiliary energy consumption norms of coal-based generating stations specified in clause (a) of Regulation 33.1.2 above.Note : During stabilization period, normative auxiliary consumption shall be reckoned at 0.5 percentage point more than the norms indicated at (a), (b) and (c) above.33.1.3Gross station heat rate(a)Gross station heat rate for coal-based generating stations
  200/210/250 MW sets 500 MW and above sets
During stabilization period 2600 kCal/kWh 2550 kCal/kWh
Subsequent period 2500 kCal/kWh 2450 kCal/kWh
Note 1 : In respect of 500 MW and above units where the boiler feed pumps are electrically operated, the gross station heat rate shall be 40 kCal/kWh lower than the station heat rate indicated above.Note 2 : For generating stations having combination of 200/210/250 MW sets and 500 MW and above sets, the normative gross station heat rate shall be the weighted average station heat rate.(b)For lignite-fired generating stations, the gross station heat rates specified under clause (a) above for coal-based generating stations shall be corrected, using multiplying factors as given below:(i)For lignite having 50% moisture : Multiplying factor of 1.10(ii)For lignite having 40% moisture : Multiplying factor of 1.07(iii)For lignite having 30% moisture : Multiplying factor of 1.04(iv)For other values of moisture content, multiplying factor shall be prorated for moisture content between 30-40 and 40-50 depending upon the rated values of multiplying factor for the respective range given under sub-clauses (i) to (iii) above.(c)Gross station heat rate for gas turbine/combined cycle generating stations
  Advanced Class Machines E/EA/EC/E2 Class Machinesd
Open cycle 2685 kCal/kWh 2830 kCal/kWh
Combined cycle 1850 kCal/kWh 1950 kCal/kWh
(d)Gross station heat rate for small gas turbine generating stations
  Advanced Class Machines E/EA/EC/E2 Class Machinesd
Open cycle 3125 kCal/kWh 1.02 x 3125 kCal/kWh
Combined cycle 2030 kCal/kWh 1.02 x 2030 kCal/kWh
33.1.4Secondary fuel oil consumption(a)Coal-based generating stations:
During stabilization period Subsequent period
4.5 ml/kWh 2.0 ml/kWh
(b)Lignite-fired generating stations:
During stabilization period Subsequent period
5.0 ml/kWh 2.5 ml/kWh
33.1.5Stabilisation periodStabilization period shall be reckoned from the date of commissioning as follows, namely:
(a) Coal-based and lignite-fired generating stations - 180 days
(b) Gas turbine/combined cycle generating stations - 90 days
33.1.6Transit losses(a)Transit losses for coal based generating stations, as a percentage of quantity of coal dispatched by the coal supply company during the month, shall be as given below:
(i) Pit head generating stations - 0.3%
(ii) Non-pit head generating stations - 0.8%
33.2Hydro power generating stations
33.2.1Normative capacity index for recovery of annual fixed charges
(a)During first year after commissioning of the generating station
(i) Purely Run-of-river power stations - 85%
(ii) Storage type and Run-of-river power stations with pondage - 80%
(b)After first year after commissioning of the generating station
(i) Purely Run-of-river power stations - 90%
(ii) Storage type and Run-of-river power stations with pondage - 85%
Note : There shall be pro rata recovery of annual fixed charges in case the generating station achieves capacity index below the prescribed normative levels. At Zero capacity index, no fixed charges shall be payable to the generating station.
33.2.2Auxiliary Energy Consumption
(a)Surface hydro electric power generating stations with rotating exciters mounted on the generator shaft - 0.2% of energy generated
(b)Surface hydro electric power generating stations with static excitation system - 0.5% of energy generated
(c)Underground hydro electric power generating stations with rotating exciters mounted on the generator shaft - 0.4% of energy generated
(d)Underground hydro electric power generating stations with static excitation system - 0.7% of energy generated
33.3Transformation losses (hydro power generating stations)From generation voltage to transmission voltage - 0.5% of energy generated.