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July sees double-digit growth in power generation

Sanjay Jog  |  Mumbai 

Electricity generation in India has achieved double-digit growth of 12.49 per cent to 74,104 million units (MUs) in July, compared to 4.09 per cent (65,874 MUs) in the year-ago period.

The Central Electricity Authority (CEA) in its report for July said the cumulative electricity generation in the country during April–July was 291,139 MUs with a growth rate of 9.29 per cent, against 5.28 per cent during the same period last year.

A CEA official told Business Standard: “The record generation in July was possible largely due to improved plant load factor and efficiency in operations. Nearly 23 coal-based power plants with generation capacity of 26,805 Mw recorded more than 90 per cent plant load factor. The PLF of Simhadri plant with capacity 1500 Mw was the highest at 104.05.”

Electricity generation from coal-based plants during July increased by 299 MU on the back of 100 per cent availability of coal for the month. Coal-based plants have achieved an impressive growth rate of 10.68 per cent over same period last year. Cumulative generation of coal-based plants during April-July recorded 9.49 per cent growth over the same period last year.

Since demand of power was primarily met by the increased generation from coal-based stations, energy demand from gas, liquid fuel and diesel-based stations have reduced — either negligible growth rate (gas-based plants) or negative growth rate (liquid fuel and diesel-based plants).

During July 31.5 million tonnes (Mts) of coal was used for power generation. As on July 31, 18 thermal power stations had critical stock, including seven stations with super critical stock (stock for less than four days). During the current financial year, the anticipated gap between the demand and supply of coal was estimated at 54 Mts.

Electricity generation in actual terms from from nuclear plants was 22.33 per cent in July. Nuclear power generation achieved a growth rate of 62.70 per cent, against 16.10 per cent during the corresponding month last year on the back of improved availability of nuclear fuel and commissioning of the new unit at Kaiga.

Cumulative electricity generation from nuclear plants during April-July continued to achieve high growth rate of over 50 per cent. Growth rate in power generation from nuclear plants during April-July was 53.27 per cent, compared to 22.87 per cent during the same period last year.

Cumulative generation from hydro power plants during the period achieved double-digit growth at 19.60 per cent, compared to 6.34 per cent in the year-ago period. Energy generation from hydro electric stations (excluding import from Bhutan) during the month exceeded its target by 17.06 per cent. Generation from hydro power plants rose by 28.47 per cent to 13,850 MUs, compared to 10,781 Mus last year.

During the period April-July the cumulative hydro generation was 46,052 MUs against the target of 37,743 MU — up 122.02 per cent.. Hydro generation during this period registered 19.60 per cent rise over the same period last year.

The CEA said gas-based generation remained flat. This was largely due to supply constraints and increased generation from hydro, nuclear and coal-based plants. During April-July, gas-based generation was up by 1.43 per cent from the corresponding month last year, while liquid fuel-based stations had negative growth 48.33 per cent.

Average PLF achieved by gas /liquid fuel-based plants during July reduced to 61.51 per cent, against PLF of 63.50 per cent during the same period last year. Average PLF for the northern region (NR) gas plants was the lowest during July at 59.20 per cent, against PLF of 69.58 per cent by NR gas plants during the same month last year.

According to CEA, only six gas-based power stations having an aggregated installed capacity of 2008 MW operated at a PLF above 80 per cent in July. Among these, one each of central and state utility and three private power plants. Tata Power-run Trombay plant achieved a PLF of 100.70 per cent.

First Published: Thu, August 11 2011. 00:01 IST
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