thermal power development - Infraline

Central electricity authority Annual Report 2009-10
2.13.3.7 Coal Quality Issues
It was observed that uncrushed / oversized
coal was still received by some of the thermal
power stations in the country causing unloading
constraints resulting in heavy demurrage charges
on Power Utilities. CEA had sent details of the
complaints about coal quality, received from
power stations to Ministry of Coal, Ministry
of Power, Ministry of Railways and Coal India
Limited for necessary remedial action.
2.13.3.8 Estimated Coal Requirement for the
year 2010-11
For the year 2010-11, a coal based capacity
addition programme of 14550 MW including
capacity addition of 11675 MW based on
indigenous coal and 2875 MW based on imported
coal is envisaged. CEA estimated that the total coal
requirement is 445 MT comprising of 434 MT
from indigenous coal based projects and 11 MT for
the projects based on imported coal. The total coal
availability from indigenous sources is expected
to be 388 MT resulting in a shortfall of 46 MT of
indigenous coal availability. The Power Utilities
have been advised to import 35 MT to bridge this
shortfall in availability of domestic coal.
2.14 Gas supply to Gas based Power
Stations
Out of total 1,59,398.49 MW installed
generating capacity in the country as on 31 st
March 2010, 17055.85 MW (about 10 %) was
gas/liquid (excluding DG stations) fuel based.
CEA monitored the supply of gas to power
stations of total 15769.27 MW capacities which
use gas as the primary fuel. The liquid fuels,
being freely available, were not monitored by
CEA. However, the fuel consumption data for
liquid fuel based GT stations and DG stations
are being collected and compiled from the
year 2007-08 and report being sent to all
concerned.
2.14.1 Gas Requirement & Supply
Position
The production and supply of gas
had not been keeping pace with the growing
demand of gas in the country, including for that
of power sector. Even the commitments of gas
allocations made earlier to power stations were
not fulfilled. Supply of gas to gas based power
plants during last few years had been as under:
S.
No.
Year
Capacity at the
end of year (MW)
Gas Required*
(MMSCMD)
Average Gas Supplied
(MMSCMD)
Shortfall
(MMSCMD)
(1) (2) (3) (4) (5) (6)=(4)-(5)
1 2000-01 9028.70 44.54 24.40 20.14
2 2001-02 9432.90 46.31 24.33 21.98
3 2002-03 9949.00 48.26 25.12 23.14
4 2003-04 10,154.90 49.25 25.62 23.63
5 2004-05 10,224.90 49.73 30.70 19.03
6 2005-06 10,919.62 53.38 35.37 18.01
7 2006-07 12,444.42 61.18 35.10 26.08
8 2007-08 13,408.92 65.67 38.14 27.53
9 2008-09 13,599.62 66.61 37.45 29.16
10 2009-10 15769.27 78.09 55.45 22.64
* Normative gas requirement at 90% PLF taking GCV of gas= 9000 K.Cal/SCM (except for Ramgarh CCGT for which GCV is
4150 K.Cal/SCM), station heat rate- 2900K.Cal/kWh for open cycle and 2000 K.Cal/kWh for combined cycle and as on last day
of the year.
MMSCMD – Million Metric Standard Cubic Metres per Day
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