Tamil Nadu Generation and Distribution Corporation Limited (TANGEDCO)

Hydro Stations

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Hydro Stations

SHOLAYAR POWER HOUSE – I

· Source from Sholayar Reservoir

· Net Capacity at FRL (MCFT) is 4800

· Irrigation

Salient Features

LOCATION	MANOMBOLI
ELEVATION	1931 FEET
INSTALLED CAPACITY	2 X 35 = 70 MW
No. OF UNIT	2
DATE OF COMMISSIONING	UNIT.1 - 22.04.1971 UNIT.2 - 04.05.1971

SHOLAYAR POWER HOUSE – II

· Source from Sholayar Reservoir

· Capacity at FRL (in MCFT) is 4800

· Irrigation - Inter state water sharing to Kerala.

Salient Feature

LOCATION	SHOLAYAR P.H. II
ELEVATION	2750 FEET
INSTALLED CAPACITY	25 MW
No. OF UNIT	1
DATE OF COMMISSIONING	29.03.1971

ALIYAR POWER HOUSE

· Source from Upper Aliyar Dam

· Net Capacity at FRL (in MCFT) is 914.89

· Non -Irrigation

Salient Features

LOCATION	ALIYAR/ Coimbatore
ELEVATION	1083 FEET
INSTALLED CAPACITY	60 MW
No. OF UNIT	1
DATE OF COMMISSIONING	21.03.1970

ALIYAR MINI POWER HOUSE

· Source from Lower Aliyar Dam

· Source from Net Capacity at FRL (in MCFT) is 3553

· Irrigation

Salient Features

LOCATION	ALIYAR/ Coimbatore
ELEVATION	1083 FEET
INSTALLED CAPACITY	2 X 1.25 MW
No. OF UNIT	2
DATE OF COMMISSIONING	23.09.2002

SARKARPATHY POWER HOUSE

· Source from Parambikulam, Thunakadavu

· Net Capacity at FRL (in MCFT) is 11820

· Irrigation

Salient Features

LOCATION	SARKARPATHY/ Coimbatore
ELEVATION	1429 FEET
INSTALLED CAPACITY	30 MW
No. OF UNIT	1
DATE OF COMMISSIONING	14.08.1966

KADAMPARAI POWER HOUSE (PUMPED STORAGE SCHEME)

· Source from Kadamapari Reservoir/Upper Aliyar Dam

· Net Capacity at FRL is 940.38 /737

· Non Irrigation

Salient Features

LOCATION	KADAMPARAI/. Coimbatore
ELEVATION	EL 710
INSTALLED CAPACITY	4 X 100 = 400 MW
No. OF UNIT	4
DATE OF COMMISSIONING	UNIT.1- 17.10.1987 UNIT.2-26.02.1988 UNIT.3- 12.04.1989 UNIT.4- 16.12.1988

Mode of Operation

Generation Mode – The machines will be operated to cater the Peak hour demand for full load , the generation

will be depending on the kadamparai storage and the level of Upper Aliyar dam.

Pump Mode: The machines will be operated as pump mode to pump the water from upper Aliyar dam

to kadamparai reservoir during night hours on grid frequency above 49.4 Hz and heavy under drawl of

UI from central pool.

THIRUMURTHY MINI PH.

· Source from Thirumurthy Dam

· Irrigation

Salient Features

LOCATION	Udumalpet
INSTALLED CAPACITY	3 X 0.65 MW
No. OF UNIT	3
DATE OF COMMISSIONING	UNIT.1- 20.03.2000 UNIT.2- 20.03.2000 UNIT.3- 20.03.2000

POONACHI MINI PH

· Source from Punachi river - Run of River

· Non Irrigation

Salient Features

LOCATION	Poonachi/Coimbatore District
INSTALLED CAPACITY	2 X 1 MW
No. OF UNIT	2
DATE OF COMMISSIONING	UNIT.1- 12.11.1992 UNIT.2- 16.12.1992

AMARAVATHI

· Source from Amaravathy

· Source from Net Capacity at FRL(MCFT) -3749

· Irrigation

Salient Features

LOCATION	Coimbatore District
INSTALLED CAPACITY	2 X 2 MW
No. OF UNIT	2
DATE OF COMMISSIONING	UNIT.1- 21.09.2006 UNIT.2- 30.11.2006