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: The Central Electricity Authority
(CEA) has prepared a report studying the performance of
the thermal units older than 25 years. The Apex Authority
has noted that of the 2,53,390 MW total installed
capacity, 48,547 MW was commissioned before 1989, that
implies it has been operating for more than 25 years.
8According to the report, there
are 194 units of 55 coal or lignite based stations
generating 29,503 MW which are older than 25 years.
8The report has further observed
that the average Plant Load Factor (PLF) of thermal
stations was 65.55% at national level in 2013-14, of which
14,520 MW coal/lignite based capacity is below the
national average PLF in FY14.
8As per the report, during FY14,
nearly 34.5% i.e. 10,183 MW capacity have registered 80%
PLF, while 16.3% capacity performed between 65-85% PLF,
which was above the national average PLF of FY14.
8Meanwhile, units in the state
sector accounting to 17.5% i.e 5165 MW capacity, performed
between 50-65% PLF. The performance of these unit,
however, can be improved with better operation and
maintenance practices, noted CEA.
8Additionally, only 7.3% capacity
amounting to 2157 MW was recorded with PLF between
40-50%, while 19.4% capacity, 5729 MW performed below
40%.
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CEA report on units older than 25
years-II: Recommends retirement of 2,314 MW of
capacity
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In a study conducted by the
Central Electricity Authority (CEA) on units older than
25 years, it recommended 2,314 MW capacity for retirement
based on consistently performing below 40% PLF.
8As per the report, 22 units in
the state sector while 5 units in the public sector
together amounted for 2,314 MW capacity as on 31st March,
2014.
8Meanwhile,
the study segregated 50 units of capacity 5729 MW which
performed below 40% and were studied further and their
PLF was complied for the last three years and the current
year 2014-15 (upto July).
8Of the 5729 MW capacity, 2,314 MW
capacity were proposed for decommissioning due to
consistently performing below 40% PLF for the period under
consideration.
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CEA report on units older than 25
years-III: Data
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: The website carries here, for
reference purposes, the data provided by the CEA on the
thermal units older than 25 years. The following information
is given:
8Source wise installed capacity
8Capacity older than 25 years and
commissioned prior to 1989
8Performance of 194 coal/lignite
based power stations in FY 2013-14
8Details of old units with PLF
40-50%
8Details of old units with PLF
lower than 40%
8Details of coal and lignite based
old units (more than 25 years and % PLF more than 80
during 2013-14)
8Details of coal and lignite based
old units (more than 25 years and % PLF less than 65 and
above 50 during 2013-14)
8Details of coal and lignite based
old units (more than 25 years and % PLF less than 50 and
above 40 during 2013-14)
8Details of coal and lignite based
old units (more than 25 years) under shut down or
recently re-commissioned after R&M/LE
8Details of coal and lignite based
old units (more than 25 years and % PLF less than 40
during 2013-14)
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