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Current Status

TSECL has a total capacity of 110 MW from 3 generating stations viz. Gomuti Hydro-electric Project, Baramura Gas Thermal Power Station and Rokhia Gas Thermal Power Station. In addition to this, it has diesel based generating units of 5.85MW, which are also operational since pre-independence. The unit-wise capacity of all generating stations is mentioned below.

Name of Project Unit Installed Capacity Year of Installation Phase
Gumti H.E Project Unit-I 5.00 MW 1976 Phase-I
Unit-II 5.00 MW 1976
Unit-III 5.00 MW 1984 Phase-II
Baramura Gas Thermal Project Unit-I 5.00 MW 1986 Not in Operation
and already
Surveyed off.
Unit-II 5.00 MW 1986
Unit-III 6.50 MW 1990
Unit-IV 21.00 MW 2002
Rokhia Gas Thermal Project Unit-I 8.00 MW 1990 Not in operation
Unit-II 8.00 MW 1990
Unit-III 8.00 MW 1995 Phase-III
Unit-IV 8.00 MW 1995  
Unit-V 8.00 MW 1997 Phase-II
Unit-VI 8.00 MW 1997
Unit-VII 21.00 MW 2002  
Unit-VIII 21.00 MW 2006  
Total 142.50 MW    
Less: 3 units of Baramura station 16.50 MW Unit I/II/III
Less: 2 units of Rokhia station 16.00 MW Unit I/II
Installed (Hy+Th) Total 110.00 MW  

Out of these stations, first three units of Baramura gas station (French Make) and first two nos. unit (Phase-I) of Rokhia Project are not working because of obsolesce. Therefore effective Installed Capacity is 110.00 MW.

Hydel power

There is a small Hydel power station in south Tripura named Gumti Hydel project having only 3 x 5 MW capacities.The yearly energy content in the reservoir of Gumti project is only 60 Million units. Normally 2 units of 5MW each run at a continuous load of 8 MW and the 3rd one is kept as stand by. It has been observed during last few years that with this arrangement 100% generation is achieved, i.e. 60 MU which fulfils the annual target. Theoretically the PLF is about 53 .33% with one unit as stand by. But there is hardly any water available at the end of the year and before next monsoon to increase the generation for achieving higher PLF.

Gas Thermal Project at Rokhia

The project has 6 no. of Gas Turbine sets of 8 MW each. Unit-VII of 21 MW capacity was commissioned during August 2002 and is now in operation. Another 21MW capacity (Unit-VIII) was come into bus on March 2006.

Unit I has outlived its life. Further, unit II has been unstable since commissioning. The cost of reconditioning these units are found to be beyond economical viability. Therefore survey reports have been proposed for these units.Similar to Unit IV of Baramura, 50% capacity share of Units V and VI of this project is to be given to neighbouring states i.e. Manipur and Mizoram. Appropriate share of energy has to be transferred to these states at net generation cost.

Unit-VII (21MW) was out of bus from 11th January 2006 due to major defect developed in the generator. The major maintenance work has been taken up including replacement of generator which is likely to be available for generation in the month of June-06.

Unit VIII (21 MW) has been commissioned on May 31, 2006. Along with rest of the units, the project is generating 40-MW of power from Unit- III, IV, V, VI and VIII. This will reach 50 MW by June-06 after re-commissioning of Unit#VII. Additional generation would depend on availability of additional gas at the power stations.

The Diesel power house is operated intermittently, on emergency basis, mainly due to very high cost of fuel for the same.

Out of 110 MW installed capacity in the state comprising of Baramura-21 MW, Rokhia-74 MW and Gumti Hydel project-15 MW the over all generation is 70 MW round the clock as such the PLF works out at 63.63% for installed effective capacity the State.

1X21 MW Gas Thermal Project at Baramura

The first three units have been out lived their normal life due to prolonged use and further life extension seems uneconomical because of non-availability of spares from market and huge funds would be required for this purpose. Preparation for assessment of book value of the machine & other codal formalities to be observed is under consideration of TSECL.

A unit of 21 MW was commissioned on 27th November 2002 and is running at PLF is almost 95%. The Baramura project has been synchronized with NE Grid in the ABT regime. Being funded by NEC, this unit is considered as Inter-state station and hence 50% capacity share has to be given to neighbouring states of Manipur and Mizoram. With finalisation of power purchase agreement and issuance of satisfactory payment mechanism expected to be completed this year, appropriate share of energy is to be transferred to these states at net generation cost.

Calorific Value of Natural Gas

The rate of Gas consumption in a gas based Thermal plant depends upon the Heat Rate of the Turbine as well as Calorific value of the gas. At Rokhia Gas Thermal Power Station it is observed that Calorific value of Gas varies from month to month in the range of 8200 to 8300 Kcal/Cum. Union Ministry of Petroleum fixes the gas price considering Calorific Value of Gas at 10000 Kcal/Cum. Rebate/Premium on the gas price is applicable if the actual Calorific value of gas differs from the 10000 Kcal/Cum. GAIL indicates the average calorific value of gas for the particular month in their monthly gas bills to calculate the quantum of Rebate/Premium applicable.

Ongoing Capacity Addition in Generation

21 MW Unit V at Baramura GT Project.

Proposed Capacity Addition in Generation

105 MW CCGT Project at Chakmaghat.

104 MW TGBPP at Manarchwak by NEEPCO.

740 MW CCGT at Palatana by OTPC.


Disclaimer: Though all efforts are made to publish accurate information, web masters do not take any responsibility for any inadvertent error. All those concerned are advised to cross check with the official data published from concerned offices of the TSECL to ensure the correctness of the information provided herein. Tripura State Electricity Corporation Limited. The site is Designed & Developed by www.tripurainfo.com and C&SO, TSECL