Kadamparai Dam tunnelKadamparai Dam

Kadamparai Dam and downhill - Valparai!

By 9 in morning we stared to climb down the valparai hills after taking some pictures with our relative’s whom accommodate us throughout the stay and some kind of love, to greet us again. I haven’t ever fascinate with such colorful flowers treated my eyes and sense this much like those in the garden home we stayed. It’s bitter to know the group took control the home next day plucked all the flowers that bloomed and smiled at me to reflect. The flower pictures I shared here are those taken at the garden. With half a mind, I left the place saying bye to twitter sweet birds that welcomes

morning, the blowing wind in fragrance of tea and the warm gave sunshine. Sign by boards, I peer along the way around the trees where lion tail monkeys are yet to leap. At last with little disappointment we found the elephants near Shivaji estate – belong to late actor Shivaji Ganeshan, and where a couple roaming far away the hill and later to have a group of elephants below the valley and inside the shrubs.

After having cuppa in the waterfalls estate - the last tea garden within valparai before climbing down, we turned right near the

20th hairpin bend that head to Kadamparai Dam. The dam was within a distance of 15/20km, and the road lead between teak forest and Tiger valley. We were stopped by a check post and after hardly convincing the old lady, who was in charge, the block was opened and we passed the upper Aliyar and reached the Kadamparai Power house gateway. This was a power house situated at an invisible site inside the hills! It was a 6km tunnel carved in a single rock, with a passage of two Lorries to come and go! Awe… it was interesting to know the main process of this Power house is to recycle the dam water and generate Hydro Electric power. The very special about this was the recycling process. Throughout day the water from Kadamparai dam is open to generate electricity and throughout night, half the current stored are spend to recycle the water from Upper Aliyar to Kadamparai dam. It was like up to down and down to up.

It was highly restricted and very special permission is needed to go inside the tunnel. Those who have went and came, and who recommend us to visit sounds awesome about the silence and fearful noise, to experience never before and to a multi theater effect. As we had some other plan, we couldn’t visit the Kadamparai dam, which was few km above from the power house gateway. As I have lost the pictures I was covering while climbing up valparai hills, I wish to recapture those scenes and stopped at few places, where the one was Lomes view. From here one get a wonderful

view of Aliyar Dam and the zigzag dreadful hairpin bends, and from here above the hill were the only place in valparai I saw the Nilgiri Thar. These are some goats, rarely seen on Western Ghats at the least existence.

There are few waterfalls on the way, the water that arrives from Parambikulam dam in Kerala. One of the falls was such forceful and drizzle on the road, the other with little showers left the children to enjoy. If you remember the Sholayar dams, the water that runs through Kerala and into Parambikulam dam is diverted again into Tamil Nadu and what rushes here as falls. This water is also diverted to Thirumoorthi and Amaravathi Dams. It was a sunny day and as per our plan we head to Thirumoorthi Dam and falls, about 35km from the foot hills. After having lunch at a small town – Tali, and leaving my parents and other to let shower, we spent sometime near the dam banks where lot of people where cooking and taking boat ride on the

dam. The place near the falls are much crowded like a village festival and many busses and cab vehicles enter and exit continually wanted me to get away as soon. By evening we visited the Amaravathi Dam! That could be a separate post soon…

By Jeevan

Palani

Kodaikanal

 

 

 

   

               Source from Kadamapari Reservoir/Upper Aliyar Dam  

             Net Capacity at FRL is 940.38 /737 

           Non  Irrigation      

  Salient Features

   

                   

Mode of Operation  Generation Mode – The machines will be operated to cater the Peak hour demand for full

load , the generationwill 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.

Hydro Electric Power PlantsHydro Electric Power Projects, Plants Machineries at Power Stations

Home

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

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Posts Tagged ‘KADAMPARAI HYDRO ELECTRIC POWER STATION’LIST OF HYDRO ELECTRIC POWER STATIONS IN INDIA

Posted on October 29th, 2010 by admin  |  1 Comment »

Francis Hydro Turbine

There is abundance of Hydro power potential in India. As CEA only 37328.40 MW has been harnessed so far. The percentage of Hydro Power capacity in overall energy proportion is merely 24.7%. As per Sushil Shinde, Minister of power, Government of India, hydro proportion compare to other sources of energy is not going to change in near future. While government is aiming a large capacity addition during 11th and 12th five year plan.

GO

Development of hydro power resources is important for energy security of the country. It takes about 10 years for developing a large size hydro project from planning to commissioning. The construction period of a large hydro project after placement of Letter of Award for the main packages could span 5 years or more. It is therefore necessary to prepare a long term plan of hydropower development covering at least 10 years period.

Central Electricity Authority (CEA) has, therefore, prepared “Hydro Development Plan for 12th Plan (2012-07)” covering planning of hydro power projects during 11th & 12th Plan period. As per the programme approved by the Planning Commission, during the 11th Plan period a capacity addition of 78,700 MW comprising 59,693 MW thermal, 15,627 MW hydro and 3,380 MW nuclear projects has been proposed. Out of 15,627 MW from hydro projects, 8,654 MW has been proposed in

Central Sector, 3,482 MW in State Sector and 3,491 MW in Private Sector.

At present by 30.09.2010 (sources: cea.nic.in) the total number of large hydro power station in India is 173 (capacity above 25 MW). List of all hydro power station in India is various capacity is as following:

LIST OF HYDRO ELECTRIC POWER STATIONS IN INDIAWITH STATION CAPACITY ABOVE 25 MW

REGION/ SECTOR/ UTILITY/ STATION

NO. OF UNITS X

SIZE (MW)

NO.OF STATIONS

NO.OF UNITSCAPACITY

(MW)

I REGION

NORTHERN - 55 187 13678.25

WESTERN - 28 101 7392.00

SOUTHERN - 66 237 11294.45

EASTERN - 15 55 3847.70

EASTERN - 9 26 1116.00

ALL INDIA (TOTAL)

- 173 606 37328.40

LIST OF HYDRO ELECTRIC POWER STATIONS IN THE COUNTRY WITH STATION CAPACITY ABOVE 25 MW

REGION/ NO. OF UNITS NO.OF NO.OF UNITS CAPACITY (MW)

SECTOR/ UTILITY/ STATION

X SIZE (MW) STATIONS

II SECTOR

1 CENTRAL -

BBMB - 6 8 2866.30

NHPC - 13 41 3767.20

SJVNL - 1 6 1500.00

THDC - 1 4 1000.00

NHDC - 2 16 1520.00

DVC - 2 5 143.20

NEEPCO - 4 13 755.00

SUB TOTAL CENTRAL

- 29 113 11551.70

2 PRIVATE -

MPCL - 1 2 86.00

JHPL - 1 3 300.00

ADHPL - 1 2 192.00

JPVL - 1 4 400.00

TATA HYDRO - 4 15 447.00

DLHP - 1 1 34.00

SUB TOTAL - 9 27 1459.00

LIST OF HYDRO ELECTRIC POWER STATIONS IN INDIA WITH STATION CAPACITY ABOVE 25 MW

REGION/ SECTOR/ UTILITY/ STATION

NO. OF UNITS X SIZE (MW)

NO.OF STATIONS NO.OF UNITS

CAPACITY (MW)CAPACITY (MW)CAPACITY (MW)

3 STATE ELECTRICITY BOARDS / DEPARTMENTS

HPSEB - 4 12 366.00

J&KSPDC - 3 9 660.00

PSEB - 8 25 1051.00

RRVUNL - 4 11 411.00

UPJVNL - 4 15 501.60

UJVNL - 10 34 1252.15

GSECL - 2 8 540.00

SSNNL - 2 11 1450.00

MPPGCL - 8 23 875.00

CSPGC - 1 3 120.00

MAHAGENCO - 8 24 2406.00

APGENCO - 14 55 3705.35

KPCL - 14 68 3585.40

KSEB - 13 48 1881.50

TNEB - 25 66 2122.20

JSEB - 2 2 130.00

OHPC - 6 31 2027.50

WBSEDCL - 3 11 977.00

APGCL - 1 2 100.00

MPSEB - 3 8 156.00

SUB TOTAL - 135 466 24317.70

ALL INDIA - 173 606 37328.40

LIST OF HYDRO ELECTRIC POWER STATIONS IN INDIA WITH STATION CAPACITY ABOVE 25 MW

Sl.No. REGION/ SECTOR/ NO. OF UNITS NO.OF NO.OF CAPACITY (MW)

UTILITY/ STATION X SIZE (MW) STATIONS UNITS

B.B.M.B.

1BHAKRA – L HYDRO ELECTRIC POWER STATION

5*108 1 5 540.00

2BHAKRA – R HYDRO ELECTRIC POWER STATION

5*157 1 5 785.00

3GANGUWAL HYDRO ELECTRIC POWER STATION

1*29.25+2*24.2

1 3 77.65

4KOTLA HYDRO ELECTRIC POWER STATION

1*29.25+2*24.2

1 3 77.65

SUB TOTAL HYDRO ELECTRIC POWER STATION

4 16 1480.30

5DEHAR HYDRO ELECTRIC POWER STATION

6*165 1 6 990.00

6PONG HYDRO ELECTRIC POWER STATION

6*66 1 6 396.00

TOTAL BBMB 6 28 2866.30

N.H.P.C. (NR)

1BAIRA SIUL HYDRO ELECTRIC POWER STATION

3*66 1 3 198.00

2SALAL-I HYDRO ELECTRIC POWER STATION

3*115 1 3 345.00

3SALAL- II HYDRO ELECTRIC POWER STATION

3*115 1 3 345.00

4TANAKPUR HYDRO ELECTRIC POWER STATION

3*31.4 1 3 94.20

5CHAMERA-I HYDRO ELECTRIC POWER STATION

3*180 1 3 540.00

6CHAMERA-II HYDRO ELECTRIC POWER STATION

3*100 1 3 300.00

7URI HYDRO ELECTRIC POWER STATION

4*120 1 4 480.00

8DHAULIGANGA HYDRO ELECTRIC POWER STATION

4*70 1 4 280.00

9DULHASTI HYDRO ELECTRIC POWER STATION

3*130 1 3 390.00

10SEWA-II HYDRO ELECTRIC POWER STATION

3*40 1 3 120.00

TOTAL NHPC (NR) 10 32 3092.20

SJVNL (NR)

1NATHPA JHAKRI HYDRO ELECTRIC POWER STATION

6*250 1 6 1500.00

THDC (NR)

1TEHRI HYDRO ELECTRIC POWER STATION

4*250 1 4 1000.00

TOTAL CENTRAL NR 18 70 8458.50

HIMACHAL PRADESH

HPSEB

1GIRI BATA HYDRO ELECTRIC POWER STATION

2*30 1 2 60.00

2BASSI HYDRO ELECTRIC POWER STATION

4*15 1 4 60.00

3 SANJAY HYDRO ELECTRIC 3*40 1 3 120.00

POWER STATION

4LARGI HYDRO ELECTRIC POWER STATION

3*42 1 3 126.00

TOTAL HPSEB 4 12 366.00

LIST OF HYDRO ELECTRIC POWER STATIONS IN INDIA WITH STATION CAPACITY ABOVE 25 MW

Sl.No.REGION/ SECTOR/ UTILITY/ STATION

NO. OF UNITS X SIZE (MW)

NO.OF STATIONSNO.OF UNITS

CAPACITY (MW)

TOTAL RRJVUNL 4 11 411.00

UTTAR PRADESH

UPJVNL

1RIHAND HYDRO ELECTRIC POWER STATION

6*50 1 6 300.00

2OBRA HYDRO ELECTRIC POWER STATION

3*33 1 3 99.00

3MATATILLA HYDRO ELECTRIC POWER STATION

3*10.2 1 3 30.60

4KHARA HYDRO ELECTRIC POWER STATION

3*24 1 3 72.00

TOTAL UPJVNL 4 15 501.60

UTTRANCHAL

UJVNL

1DHAKRANI HYDRO ELECTRIC POWER STATION

3*11.25 1 3 33.75

2DHALIPUR HYDRO ELECTRIC POWER STATION

3*17 1 3 51.00

3KULHAL HYDRO ELECTRIC POWER STATION

3*10 1 3 30.00

4 CHIBRO HYDRO ELECTRIC 4*60 1 4 240.00

POWER STATION

5KHODRI HYDRO ELECTRIC POWER STATION

4*30 1 4 120.00

6RAMGANGA HYDRO ELECTRIC POWER STATION

3*66 1 3 198.00

7CHILLA HYDRO ELECTRIC POWER STATION

4*36 1 4 144.00

8MANERIBHALI (THILOT) ST.-I HYDRO ELECTRIC POWER STATION

3*30 1 3 90.00

9MANERIBHALI STAGE-II HYDRO ELECTRIC POWER STATION

4*76 1 4 304.00

10KHATIMA HYDRO ELECTRIC POWER STATION

3*13.8 1 3 41.40

TOTAL UJVNL 10 34 1252.15

JAIPRAKASH POWER VENTURE LTD. (PVT.)

1 VISHNUPRAYAG 4*100 1 4 400.00

TOTAL JPPVL 1 4 400.00

TOTAL UTTRANCHAL 11 38 1652.15

TOTAL NORTHERN REGION 55 187 13678.25

WESTERN REGION

GUJARAT

GSECL

1 UKAI 4*75 1 4 300.00

2 KADANA (PSS) 4*60 1 4 240.00

TOTAL GSECL 2 8 540.00

LIST OF HYDRO ELECTRIC POWER STATIONS IN INDIA WITH STATION CAPACITY ABOVE 25 MW

LIST OF

Sl.No.REGION/ SECTOR/ UTILITY/ STATION

NO. OF UNITS X SIZE (MW)

NO.OF STATIONSNO.OF UNITS

CAPACITY (MW)

SSNNL

1SARDAR SAROVAR-CHPH HYDRO ELECTRIC POWER STATION

5*50 1 5 250.00

2SARDAR SAROVAR- RBPH HYDRO ELECTRIC POWER STATION

6*200 1 6 1200.00

TOTAL SSNNL 2 11 1450.00

TOTAL GUJARAT 4 19 1990.00

MADHYA PRADESH

CENTRAL/ JOINT

NHDC

1INDIRA SAGAR HYDRO ELECTRIC POWER STATION

8*125 1 8 1000.00

2OMKARESHWAR HYDRO ELECTRIC POWER STATION

8*65 1 8 520.00

TOTAL NHDC 2 16 1520.00

MPGPCL

1GANDHI SAGAR HYDRO ELECTRIC POWER STATION

5*23 1 5 115.00

2BARGI HYDRO ELECTRIC POWER STATION

2*45 1 290.00

3 PENCH 2*80 1 2 160.00

4BAN SAGAR TONS – I HYDRO ELECTRIC POWER STATION

3*105 1 3315.00

5BANSAGAR TONS-II HYDRO ELECTRIC POWER STATION

2*15 1 230.00

6BANSAGAR TONS-II I HYDRO ELECTRIC POWER STATION

3*20 1 360.00

7RAJGHAT HYDRO ELECTRIC POWER STATION

3*15 1 360.00

8MADHIKHERA HYDRO ELECTRIC POWER STATION

3*20 1 3 60.00

TOTAL MPGPCL 8 23 875.00

HYDRO ELECTRIC POWER STATIONS IN INDIA WITH STATION CAPACITY ABOVE 25 MW

Sl.NO.

REGION/ SECTOR/ UTILITY/ STATION

NO. OF UNITS X SIZE (MW)

NO.OF STATIONS

NO.OF UNITS

CAPACITY (MW)

2KOYNA III HYDRO ELECTRIC POWER STATION

4*80 1 4 320.00

3KOYNA IV HYDRO ELECTRIC POWER STATION

4*250 1 4 1000.00

4KOYNA DPH HYDRO ELECTRIC POWER STATION

2*18 1 2 36.00

5VAITARNA HYDRO ELECTRIC POWER STATION

1*60 1 1 60.00

6BIRA TAIL RACE HYDRO ELECTRIC POWER STATION

2*40 1 2 80.00

7TILLARI HYDRO ELECTRIC POWER STATION

1*60 1 1 60.00

8GHATGHAR PSS HYDRO ELECTRIC POWER STATION

2*125 1 2 250.00

SUB TOTAL MAHANGENCO

8 24 2406.00

TATA POWER COMPANY (PVT.)

1BHIRA HYDRO ELECTRIC POWER STATION

6*25 1 6 150.00

2BHIVPURI HYDRO ELECTRIC POWER STATION

3*24+2*1.5 1 5 75.00

3 KHOPOLI HYDRO 3*24 1 3 72.00

ELECTRIC POWER STATION

4BHIRA PSS HYDRO ELECTRIC POWER STATION

1*150 1 1 150.00

SUB TOTAL TATA HYDRO

4 15 447.00

DODSON-LINDBLOM HYDRO POWER PVT. LTD. (DLHP)

1BANDHARDHARA – II HYDRO ELECTRIC POWER STATION

1*34 1 1 34.00

TOTAL DLHP (PVT) 1 1 34.00

TOTAL MAHARASHTRA

13 40 2887.00

TOTAL WESTERN REGION

28 101 7392.00

SOUTHERN REGION

ANDHRA PRADESH

APGENCO

1MACHKUND HYDRO ELECTRIC POWER STATION

3*17+3*21.25 1 6 114.75

2UPPER SILERU ST-I HYDRO ELECTRIC POWER STATION

2*60 1 2 120.00

3UPPER SILERU ST-II HYDRO ELECTRIC POWER STATION

2*60 1 2 120.00

4LOWER SILERU HYDRO ELECTRIC POWER STATION

4*115 1 4 460.00

5 T.B.DAM HYDRO ELECTRIC POWER

4*9 1 4 36.00

STATION

6HAMPI HYDRO ELECTRIC POWER STATION

4*9 1 4 36.00

7N.J.SAGAR HYDRO ELECTRIC POWER STATION

1*110+7*100.8 1 8 36.00

8SRISAILAM HYDRO ELECTRIC POWER STATION

7*110 1 7 815.60

9N.J.SAGAR RBC HYDRO ELECTRIC POWER STATION

2*30 1 2 770.00

10N.J.SAGAR RBC EXT. HYDRO ELECTRIC POWER STATION

1*30 1 1 60.00

11N.J.SAGAR LBC HYDRO ELECTRIC POWER STATION

2*30 1 2 30.00

12POCHAMPAD HYDRO ELECTRIC POWER STATION

3*9 1 3 60.00

13POCHAMPAD HYDRO ELECTRIC POWER STATION

6*150 1 6 900.00

14PRIYDARSHNI JURALA HYDRO ELECTRIC POWER STATION

4*39 1 4 156.00

TOTAL APGENCO 14 55 3705.35

LIST OF  HYDRO ELECTRIC POWER STATIONS IN INDIA WITH STATION CAPACITY ABOVE 25 MW

Sl.No.

REGION/ SECTOR/ UTILITY/ STATION

NO. OF UNITS X SIZE (MW)

NO.OF STATIONS

NO.OF UNITSCAPACITY (MW)

TOTAL ANDHRA PRADESH

14 55 3705.35

KARNATAKA

KARNATAKA POWER CORPORATION LTD.

1SHARAVATHY HYDRO ELECTRIC POWER STATION

10*103.5 1 10 1035.00

2LINGNAMAKKI HYDRO ELECTRIC POWER STATION

2*27.5 1 2 55.00

3BADHRA HYDRO ELECTRIC POWER STATION

1*2+2*12+1*7.20+1*6

1 5 39.20

4KALINAD HYDRO ELECTRIC POWER STATION

3*135+3*150 1 6 855.00

5SUPA DPH HYDRO ELECTRIC POWER STATION

2*50 1 2 100.00

6VARAHI HYDRO ELECTRIC POWER STATION

4*115 1 4 460.00

7GHATPRABHA HYDRO ELECTRIC POWER STATION

2*16 1 2 32.00

8KADRA HYDRO ELECTRIC POWER STATION

3*50 1 3 150.00

9KODASALI HYDRO ELECTRIC POWER STATION

3*40 1 3 120.00

10SHARAVATHY TAIL RACE HYDRO ELECTRIC POWER STATION

4*60 1 4 240.00

11 ALMATTI DAM HYDRO 1*15+5*55 1 6 290.00

ELECTRIC POWER STATION

12JOG HYDRO ELECTRIC POWER STATION

4*13.2+4*21.6 1 8 139.20

13SIVASAMUDRAM HYDRO ELECTRIC POWER STATION

6*3+4*6 1 10 42.00

14MUNIRABAD HYDRO ELECTRIC POWER STATION

2*9+1*10 1 3 28.00

TOTAL KPCL 14 68 3585.40

TOTAL KARNATKA 14 68 3585.40

KERALA

KSEB

1IDUKKI HYDRO ELECTRIC POWER STATION

6*130 1 6 780.00

2SABARIGIRI HYDRO ELECTRIC POWER STATION

6*50 1 6 300.00

3KUTTIYADI & K. EXTN. HYDRO ELECTRIC POWER STATION

3*25+1*50 1 4 125.00

4KUTTIYADI ADDN. EXTN. HYDRO ELECTRIC POWER STATION

2*50 1 2 100.00

5SHOLAYAR HYDRO ELECTRIC POWER STATION

3*18 1 3 54.00

6SENGULAM HYDRO ELECTRIC POWER STATION

4*12 1 4 48.00

7 NARIAMANGLAM HYDRO ELECTRIC

3*15+1*25 1 4 70.00

POWER STATION

8PALLIVASAL HYDRO ELECTRIC POWER STATION

3*5+3*7.5 1 6 37.50

9PORINGALKUTTU HYDRO ELECTRIC POWER STATION

4*8 1 4 32.00

10PANNIAR HYDRO ELECTRIC POWER STATION

2*15 1 2 30.00

11IDAMALAYAR HYDRO ELECTRIC POWER STATION

2*37.5 1 2 75.00

12LOWER PERIYAR HYDRO ELECTRIC POWER STATION

3*60 1 3 180.00

13KAKKAD HYDRO ELECTRIC POWER STATION

2*25 1 2 50.00

TOTAL KSEB 13 48 1881.50

TOTAL KERALA 13 48 1881.50

LIST OF HYDRO ELECTRIC POWER STATIONS IN INDIA WITH STATION CAPACITY ABOVE 25 MW

Sl.No.REGION/ SECTOR/ UTILITY/ STATION

NO. OF UNITS X SIZE (MW)

NO.OF STATIONS

NO.OF UNITSCAPACITY (MW)

TNEB

1KUNDAH- I HYDRO ELECTRIC POWER STATION

3*20 1 3 60.00

2KUNDAH- II HYDRO ELECTRIC POWER STATION

5*35 1 5 175.00

3 KUNDAH- III HYDRO 3*60 1 3 180.00

ELECTRIC POWER STATION

4KUNDAH- IV HYDRO ELECTRIC POWER STATION

2*50 1 2 100.00

5KUNDAH-V HYDRO ELECTRIC POWER STATION

2*20 1 2 40.00

6PARSON’S VALLEY ( K.- VI ) HYDRO ELECTRIC POWER STATION

1*30 1 1 30.00

7METTUR DAM HYDRO ELECTRIC POWER STATION

4*12.5 1 4 50.00

8METTUR TUNNEL HYDRO ELECTRIC POWER STATION

4*50 1 4 200.00

9PERIYAR HYDRO ELECTRIC POWER STATION

4*35 1 4 140.00

10KODAYAR- I HYDRO ELECTRIC POWER STATION

1*60 1 1 60.00

11KODAYAR- II HYDRO ELECTRIC POWER STATION

1*40 1 1 40.00

12SHOLAYAR HYDRO ELECTRIC POWER STATION

2*35+1*25 1 3 95.00

13PYKARA HYDRO ELECTRIC POWER STATION

3*7+1*11+2*13.6

1 6 59.20

14ALIYAR HYDRO ELECTRIC POWER STATION

1*60 1 1 60.00

15 SARKARPATHY HYDRO 1*30 1 1 30.00

ELECTRIC POWER STATION

16PAPANASAM HYDRO ELECTRIC POWER STATION

4*8 1 4 32.00

17MOYAR HYDRO ELECTRIC POWER STATION

3*12 1 3 36.00

18SURULIYAR HYDRO ELECTRIC POWER STATION

1*35 1 1 35.00

19L.MET.PH-1 HYDRO ELECTRIC POWER STATION

2*15 1 2 30.00

20L.MET.PH-2 HYDRO ELECTRIC POWER STATION

2*15 1 2 30.00

21L.MET.PH-3 HYDRO ELECTRIC POWER STATION

2*15 1 2 30.00

22L.MET.PH-4 HYDRO ELECTRIC POWER STATION

2*15 1 2 30.00

23KADAMPARAI HYDRO ELECTRIC POWER STATION

4*100 1 4 400.00

24PYKARA ULTIMATE HYDRO ELECTRIC POWER STATION

3*50 1 3 150.00

25BHAVANI BARRAGE – I HYDRO ELECTRIC POWER STATION

2*15 1 2 30.00

TOTAL TNEB 25 66 2122.20

TOTAL SOUTHERN REGION

66 237 11294.45

EASTERN REGION

JHARKHAND

JSEB

1SUBERNREKHA – I HYDRO ELECTRIC POWER STATION

1*65 1 1 65.00

2SUBERNREKHA – II HYDRO ELECTRIC POWER STATION

1*65 1 1 65.00

TOTAL JSEB 2 2 130.00

D.V.C

MAITHON HYDRO ELECTRIC POWER STATION

2*20+1*23.2 1 3 63.20

PANCHET & EXTN.HYDRO ELECTRIC POWER STATION

2*40 1 2 80.00

TOTAL DVC 2 5 143.20

LIST OF HYDRO ELECTRIC POWER STATIONS IN INDIA WITH STATION CAPACITY ABOVE 25 MW

Sl.No.

REGION/ SECTOR/ UTILITY/ STATION

NO. OF UNITS X SIZE (MW)

NO.OF STATIONS

NO.OF UNITSCAPACITY (MW)

ORISSA

OHPC

1HIRAKUD – I (BURLA) HYDRO ELECTRIC POWER STATION

2*49.5+2*32+3*37.5

1 7 275.50

2

HIRAKUD – II (CHIPLIMA) HYDRO ELECTRIC POWER STATION

3*24 1 3 72.00

3 BALIMELA HYDRO 6*60+2*75 1 8 510.00

ELECTRIC POWER STATION

4RENGALI HYDRO ELECTRIC POWER STATION

5*50 1 5 250.00

5UPPER KOLAB HYDRO ELECTRIC POWER STATION

4*80 1 4 320.00

6UPPER INDRAVATI HYDRO ELECTRIC POWER STATION

4*150 1 4 600.00

TOTAL OHPC 6 31 2027.50

WEST BENGAL

WBSEDCL

1JALDHAKA – I HYDRO ELECTRIC POWER STATION

3*9 1 3 27.00

2RAMMAM-II HYDRO ELECTRIC POWER STATION

4*12.5 1 4 50.00

3PURULIA PSS HYDRO ELECTRIC POWER STATION

4*225 1 4 900.00

TOTAL WBSEDC 3 11 977.00

SIKKIM

NHPC (ER)

1RANGIT-III HYDRO ELECTRIC POWER STATION

3*20 1 3 60.00

2TEESTA HYDRO ELECTRIC POWER STATION

3*170 1 3 510.00

TOTAL NHPC 2 6 570.00

TOTAL EASTERN REGION

15 55 3847.70

NORTH EASTERN REGION

ASSAM

APGCL

1KARBI LANGPI HYDRO ELECTRIC POWER STATION

2*50 1 2 100.00

1KYRDEMKULAI HYDRO ELECTRIC POWER STATION

2*30 1 2 60.00

2UMIAM ST-I HYDRO ELECTRIC POWER STATION

4*9 1 4 36.00

3UMIAM ST- IV HYDRO ELECTRIC POWER STATION

2*30 1 2 60.00

TOTAL MeSEB 3 8 156.00

NEEPCO

LIST OFHYDRO ELECTRIC POWER STATIONS IN INDIA WITH STATION CAPACITY ABOVE 25 MW

Sl.No.REGION/ SECTOR/ UTILITY/ STATION

NO. OF UNITS X SIZE (MW)

NO.OF STATIONS

NO.OF UNITS CAPACITY (MW)

1KHANDONG HYDRO ELECTRIC POWER STATION

3*25 1 3 75.00

2KOPILI HYDRO ELECTRIC POWER STATION

4*50 1 4 200.00

3DOYANG HYDRO ELECTRIC POWER STATION

3*25 1 3 75.00

4RANGANADI HYDRO ELECTRIC POWER STATION

3*135 1 3 405.00

TOTAL NEEPCO 4 13 755.00

NHPC (NER)

1LOKTAK HYDRO ELECTRIC POWER STATION

3*35 1 3 105.00

SUB TOTAL NHPC (NER) 1 3 105.00

SUB TOTAL CENTRAL (NER)

5 16 860.00

TOTAL NER 9 26 1116.00

TOTAL ALL INDIA 173 606 37328.40

Note:- (1) Station capacity upto 25 MW not included. (2) Uprated/ derated Capacities of units have been incorporated. (3) I.C. of Hirakud-I corrected vide letter no.CEA/PLG/DMLF/545/2009/1119-1120 dt 10.12.2009 i.e. I.C. from 297.50 MW to 275.50 MW. (4) I.C. of Papanasam HEP Unit No. 1 to 4 uprated from 4×7 MW to 4×8 MW and Mettur DPH Unit No 1 to 4 from 4×10 MW to 12.5 MW vide letter no.CEA/PLG/DMLF/545/2010 dt 02.08.2010

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Pumped-storage hydroelectricity

Diagram of the TVA pumped storage facility at Raccoon Mountain Pumped-Storage Plant

Power spectrum of a pumped-storage hydroelectricity. Green represents power consumed in

pumping; red is power generated.

Energy Portal

Pumped storage hydroelectricity is a method of storing and producing electricity to supply high peak demands by moving water between reservoirs at different elevations.

At times of low electrical demand, excess generation capacity is used to pump water into the higher reservoir. When there is higher demand, water is released back into the lower reservoir through a turbine, generating electricity. Reversible turbine/generator assemblies act as pump and turbine (usually a Francis turbine design). Some facilities use abandoned

mines as the lower reservoir, but many use the height difference between two natural bodies of water or artificial reservoirs. Pure pumped-storage plants just shift the water between reservoirs, but combined pump-storage plants also generate their own electricity like conventional hydroelectric plants through natural stream-flow. Plants that do not use pumped-storage are referred to as conventional hydroelectric plants; conventional hydroelectric plants that have significant storage capacity may be able to play a similar role in the electrical grid as pumped storage, by deferring output until needed.

Taking into account evaporation losses from the exposed water surface and conversion losses, approximately 70% to 85% of the electrical energy used to pump the water into the elevated reservoir can be regained. The technique is currently the most cost-effective means of storing large amounts of electrical energy on an operating basis, but capital costs and the

presence of appropriate geography are critical decision factors.

The relatively low energy density of pumped storage systems requires either a very large body of water or a large variation in height. For example, 1000 kilograms of water (1 cubic meter) at the top of a 100 meter tower has a potential energy of about 0.272 kW·h. The only way to store a significant amount of energy is by having a large body of water located on a hill relatively near, but as high as possible above, a second body of water. In some places this occurs naturally, in others one or both bodies of water have been man-made.

This system may be economical because it flattens out load variations on the power grid, permitting thermal power stations such as coal-fired plants and nuclear power plants that provide base-load electricity to continue operating at peak efficiency (Base load power plants), while reducing the need for "peaking" power plants that use costly

fuels. Capital costs for purpose-built hydrostorage are high, however.

Along with energy management, pumped storage systems help control electrical network frequency and provide reserve generation. Thermal plants are much less able to respond to sudden changes in electrical demand, potentially causing frequency and voltage instability. Pumped storage plants, like other hydroelectric plants, can respond to load changes within seconds.

The upper reservoir (Llyn Stwlan) and dam of the Ffestiniog Pumped Storage Scheme in north Wales. The lower power station has four water turbines which generate 360 MW of electricity within 60 seconds of the

need arising. The size of the dam can be judged from the car parked below.

The first use of pumped storage was in the 1890s in Italy and Switzerland. In the 1930s reversible hydroelectric turbines became available. These turbines could operate as both turbine-generators and in reverse as electric motor driven pumps. The latest in large-scale engineering technology are variable speed machines for greater efficiency. These machines generate in synchronisation with the network frequency, but operate asynchronously (independent of the network frequency) as motor-pumps.

A new use for pumped storage is to level the fluctuating output of intermittent power sources. The pumped storage absorbs load at times of high output and low demand, while providing additional peak capacity. In certain jurisdictions, electricity prices may be close to zero or occasionally negative (Ontario in early September, 2006), indicating there is more generation than

load available to absorb it; although at present this is rarely due to wind alone, increased wind generation may increase the likelihood of such occurrences. It is particularly likely that pumped storage will become especially important as a balance for very large scale photovoltaic generation.[1]

In 2000 the United States had 19.5 GW of pumped storage capacity, accounting for 2.5% of baseload generating capacity. PHS generated (net) -5.5 GWh of energy[2] because more energy is consumed in pumping than is generated; losses occur due to water evaporation, electric turbine/pump efficiency, and friction.

In 1999 the EU had 32 GW capacity of pumped storage out of a total of 188 GW of hydropower and representing 5.5% of total electrical capacity in the EU.

The use of underground reservoirs as lower dams has been investigated. Salt mines could be used, although ongoing and

unwanted dissolution of salt could be a problem. If they prove affordable, underground systems could greatly expand the number of pumped storage sites. Saturated brine is about 20% more dense than fresh water.

A new concept in pumped storage is to utilise wind turbines to drive water pumps directly, in effect an 'Energy Storing Wind Dam'. This could provide a more efficient process and usefully smooth out the variabilities of energy captured from the wind.