Andhra Pradesh Power Generation Corporation Limited

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Andhra Pradesh Power Generation Corporation Limited is power generating organization in Andhra Pradesh. It undertakes operation and maintenance of the power plants and also setting up new power projects alongside upgrading the project's capacity,[1] under the recommendations of Hittenbhayya committee setup by TDP Govt.

History

The government reforms in power sector led to the formation of APGENCO on 28 December 1998 and commenced operations from 1 February 1999.[1] The imbalance of the revenues against the cost of production, no significant reduction in technical losses and energy thefts, high cost purchases from IPP's, other SEB's gradually worsened the financial position of APSEB.

APSEB division

Government of Andhra Pradesh realizing the declining tendency of the financial position of APSEB and considering the recommendations made by committee it was unbundled into Andhra Pradesh Power Generation Corporation (APGENCO) & Transmission Corporation of Andhra Pradesh Limited (APTRANSCO) on 1 February 1999 by AP Electricity REFORMS ACT.[2]

APTRANSCO was further unbundled w.e.f. 1 April 2000 into "Transmission Corporation" and four "Distribution Companies" (DISCOMS). From Feb 1999 to June 2005 APTransco remained as single buyer in purchasing and selling of power to DISCOMs.[2]

APGENCO formation and split

Later, on 2 June 2014, when the state was bifurcated, APGENCO distributed all the assets, liabilities and power stations to both the states and Telangana Power Generation Corporation Limited (TGGENCO) was formed for the newly formed Telangana state and APGENCO remained for Andhra Pradesh in accordance with the Andhra Pradesh Reorganisation Act, 2014.[3]

Power plants

The total installed capacity of APGENCO, after the state’s bifurcation is 4559.6 MW comprising 2810 MW Thermal, 1747.6 MW Hydro and 2 MW Wind power stations.[4] The Power Plants of APGENCO include thermal, hydel and wind based plants.[5][6]

Thermal projects

Sl. No. Project Capacity
(installed / under construction) (MW) 		Total (installed) (MW)[7] Gallery
1 Vijayawada TPP 6×210 + 1×500 + 1×800 2560 Dr Narla Tata Rao Thermal Power Station
2 Rayalaseema TPP 5×210 + 1×600 1650 Rayalaseema Thermal Power Station
Overall capacity 4210 4210

Note: Simhadri Super Thermal plant (4x500 MW) and Damoadaram Sanjeevaiah Thermal Plant (3x800 MW) are not considered as they are not under the ownership of APGENCO.

Hydel projects

File:Tungabhadra Dam.jpg
Tungabhadra dam
Sr. No. Project Installed Capacity (MW) Total (MW)
1 Chettipeta Mini Hydel 2 x 0.5 1
2 Donkarayi PH 1 x 25 25
3 Hampi Dam PH 4 x 9
(AP Share – 28.8) 		28.8
4 Lower Sileru PH 4 x 115 460
5 Machkund PH 3 x 17 + 3 x 23
(AP Share – 84) 		84
6 Nagarjuna Sagar RCPH 3 x 30 90
7 Penna Ahobilam PH 2 x 10 20
8 Srisailam RBPH 7 x 110 770
9 Tungabhadra Dam PH 4 x 9
(AP Share – 28.8) 		28.8
10 Upper Sileru PH 4 x 60 240
11 Pulichintala HEP 4 x 30 120
Overall capacity 1747.6

Hydel projects (under construction)

Sr. No. Project Installed Capacity (MW) Total (MW)
1 Polavaram HEP 12 x 80 960
2 Nagarjuna Sagar tail pond PH 2 x 25 50
Overall capacity 960

Non-conventional units

Sl. No. Project Inst.Capacity (MW) Total (MW)
1 Ramagiri Wind Mill 10 x 0.2 2.0
Overall capacity 2.0

Source: Power Stations of AP after bifurcation into APGENCO and TGGENCO[8]

Operational performance

Script error: No such module "Labelled list hatnote". Script error: No such module "Labelled list hatnote". Though the performance of APGenCo thermal power stations in terms of reliability, availability and maintainability (RAM analysis) is one of the best in India,[9] its hydro power stations performance is satisfactory.monsoon season.[10] The thermal efficiency (heat rate) of thermal power stations is quite remarkable. Operating the thermal power stations in the range of 75 to 100% capacity in 'frequency follow mode' with good part load efficiency is the needful strategy in surplus electricity grid except during peak demand hours. Also Hydro power stations should perform well meeting all the functions such as power factor correction, peaking power generation, pumping water in pump mode and secondary power generation during monsoon season utilising total available water. This can be achieved by maintaining hydro power stations at availability more than 95%.[11]

See also

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References

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  1. ↑ a b Script error: No such module "citation/CS1".
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  3. ↑ Script error: No such module "citation/CS1".
  4. ↑ Salient features of AP TransCo. Retrieved on 2015-04-06.
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  7. ↑ Script error: No such module "citation/CS1".
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  9. ↑ Script error: No such module "citation/CS1".
  10. ↑ Script error: No such module "citation/CS1".
  11. ↑ Managing historic flood in the Krishna river basin in the year 2009

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