Andhra Pradesh Power Generation Corporation Limited

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Andhra Pradesh Power Generation Corporation Limited
Native name
Āndhra rāṣṭra eṇḍana utpati samasta
Company typePublic Sector Undertaking
IndustryElectricity generation
Founded1998
(28 years ago) (1998)
Headquarters
Gunadala, Vijayawada, Andhra Pradesh
,
India
Key people
ServicesElectricity
Total assetsIncrease₹17,344 crore (2008) or USD 3.5 Billion
Total equityIncrease₹2,117 crore (2008) or USD 500 Million
OwnerGovernment of Andhra Pradesh
Number of employees
10,889 (2008)
ParentMinistry of Energy, Government of Andhra Pradesh
WebsiteAPGENCO official website

The Andhra Pradesh Power Generation Corporation Limited (APPGCL) 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

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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

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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

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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

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The total installed capacity of APGENCO, after the state's bifurcation is 6389 MW comprising 4210 MW Thermal, 1747.60 MW Hydro and 405.40 MW Solar power plants.[4] The Power Plants of APGENCO include thermal, hydel, Pumped Storage and solar power plants.[5][6]

Thermal projects

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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:Damoadaram Sanjeevaiah Thermal Plant (3x800 MW) is having subsidiary ownership of APGENCO.

Hydel projects

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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
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

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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

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See also: Srisailam Dam §  Power generation optimization
See also: Nagarjuna Sagar Dam §  Power generation

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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  4. ^ Salient features of AP TransCo. Retrieved on 2015-04-06.
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  11. ^ Managing historic flood in the Krishna river basin in the year 2009
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