4 months ago
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The AP-Genco did attraction overhauls of the bigger units astatine Narla Tatarao, Sri Damodaram Sanjeevaiah and Rayalaseema thermal powerfulness plants successful caller months aft rather a agelong gap, and it contributed to a important summation successful the wide generation, which deed a grounds 6,009 MW connected January 4, 2026.
The overhaul of each of these units (the 800 MW installation astatine NTTPS, 2 800-MW units astatine SDSTPS and the 600-MW portion of Rayalaseema thermal plant), which was done successful a staggered manner, took up to 30 days.
The effect was a simplification successful forced outages, which caused accrued works availability, a apical authoritative told The Hindu, portion pointing retired that the NTPC overhauls its units each twelvemonth to support them successful bully condition. One of the 800-MW units astatine SDSTPS was not overhauled owed to immoderate operational reasons.
As per the source, a superior overhaul of 1 of the units astatine Srisailam hydel powerfulness works was planned a fewer years ago, but was kept connected clasp owed to aggregate issues, chiefly the complexity of taking retired each portion and repairing / replacing it.
Meanwhile, the AP-Genco is capable to support the emissions astatine aged thermal units nether cheque done alternate methods, including by utilizing a judicious premix of home and imported coal, which has precocious calorific value, alternatively of installing Flue Gas Desulphurisation (FGD) systems, which are precise expensive.
As per the existing classification done connected the ground of populations successful the vicinity of thermal plants, lone the aged units of Dr. Narla Tatarao Thermal Power Station (NTTPS) pull the FGD norms.
The revised guidelines accidental that if a thermal portion is located wrong a 10-km region of a metropolis with million-plus population, the FGD systems request not beryllium acceptable up if specified a portion is going to beryllium retired. Therefore, the AP-Genco has immoderate leeway arsenic acold arsenic the installation of FGD systems is concerned. It besides depends connected stack tallness and definite different factors.
Nevertheless, the AP-Genco is fundamentally not successful a presumption to unreserved done large investments successful the existent concern arsenic cost-benefit investigation has to beryllium worked retired cautiously and fund-raising is taxable to a full batch of factors.
