Report of Indian Institute of Public Administration ... - Ministry of Power

State Reports (Vol.-III)
Study on `Impact of Restructuring of SEBs’
The above situation will undergo change with commissioning of a number of
generating plants in the west, namely Ratnagiri Power Plant, Tarapore Nuclear Plant
and the proposed 4,000 MW mega project of Government of India to be set up on the
southern coast of the State.
Planned additions to the Transmission Capacity
The table above also shows proposed additions/augmentation in the network. It is
noted that the expansion programme in the next three years, i.e., 2006-07 to 2008-09
is envisaging major additions of lines and transformation capacities to 220 kV
network in general and 132 kV network in particular and 400 kV network continues to
be the backbone for carrying long haul transmission of bulk power. This increased
spread of 132 kV and 220 kV network will result in reducing the average length of 33
kV feeders. This will also help the distribution company in reducing distribution
losses.
In the timeframe 2009-11, the growth shifts to higher voltage level of 400 kV and
introduction of the next higher voltage level of 765 kV in the system in 2011-12. In
this period, the growth rate in 220 kV level would get stabilised and growth of 132 kV
system is expected to taper off. This suggests that slowly 220 kV will become the subtransmission
voltage in place of the present sub-transmission voltage of 132 kV.
Performance of the Transmission System
The following table gives details of total energy handled by the transmission system,
energy delivered, transmission loss, and the percentage availability of the transmission
system in the years 2002-03 to 2005-06 as well as projections for the years 2006-07
and 2007-08 (except for the availability per cent).
Table: Performance of Transmission Sector
Particulars
2002
-03
2003
-04
2004
-05
2005
-06#
2006
-07*
2007
-08*
Energy from MAHAGENCO (MU) 46464 47245 38539 48639 53503
Energy from others (MU) 19649 20044 19210 22095 24305
Total energy received (MU) 63118 66113 67289 57749 70734 77807
Total energy delivered (MU) 58053 60924 63246 53633 66490 73917
Transmission losses (MU) 5065 5189 4043 4116 4244 3890
Transmission losses (%) 8.02 7.85 6.00 7.13 5.99 4.99
Wheeling cost (Paise/kWh) 26
Availability (%)
*Estimations
# Till January 2006
96.37 98.22 98.55 98.72
10.32