Bongaigaon Thermal Power Station - Revision history

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	{{NTPC Power Stations}}		{{NTPC Power Stations}}

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	{{Infobox power station		{{Infobox power station
	\|name_official = ~~National~~ Thermal Power Station		\|name_official = Bongaigaon Thermal Power Station
	\|image =		\|image =
	\|image_caption = ~~Kokrajhar~~ NTPC Ltd.		\|image_caption = Bongaigaon NTPC Ltd.
	\|image_alt =		\|image_alt =
	\|country = India		\|country = India
	\|location = [[Salakati]] Kokrajhar, [[BTAD]], [[Kokrajhar district]], [[Assam]]		\|location = [[Salakati]] near [[Bongaigaon]] Kokrajhar, [[BTAD]], [[Kokrajhar district]], [[Assam]]
	\|coordinates = {{coord\|26\|26\|26\|N\|90\|21\|43\|E\|type:landmark\|display=inline,title}}		\|coordinates = {{coord\|26\|26\|26\|N\|90\|21\|43\|E\|type:landmark\|display=inline,title}}
	\|coordinates_ref =		\|coordinates_ref =
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	\|website = {{URL\|https://www.ntpc.co.in/}}		\|website = {{URL\|https://www.ntpc.co.in/}}
	}}		}}
	'''~~National~~ Thermal Power Station ~~in Kokrajhar~~''' is under construction power project located at [[Salakati]] near [[~~Kokrajhar~~]] in [[Kokrajhar district]] in Indian state of [[Assam]]. The power plant is one of the [[coal]] based power plants of [[National Thermal Power Corporation\|NTPC]].		'''Bongaigaon Thermal Power Station''' is a under construction power project located at [[Salakati]] near [[Bongaigaon]] in [[Kokrajhar district]] in Indian state of [[Assam]]. The power plant is one of the [[coal]] based power plants of [[National Thermal Power Corporation\|NTPC]].

	The [[coal]] for the plant will be derived from Makum coal mines at [[Margherita, Assam]] and also from [[Eastern Coalfields\|Eastern Coalfields Limited (ECL)]].<ref name="telegraphindia1">{{cite web\|author= \|url=http://www.telegraphindia.com/1140206/jsp/northeast/story_17902655.jsp#.U0r1DvmSw9p \|title=NTPC success \|publisher=Telegraphindia.com \|date=2014-02-06 \|accessdate=2015-03-30}}</ref>		The [[coal]] for the plant will be derived from Makum coal mines at [[Margherita, Assam]] and also from [[Eastern Coalfields\|Eastern Coalfields Limited (ECL)]].<ref name="telegraphindia1">{{cite web\|author= \|url=http://www.telegraphindia.com/1140206/jsp/northeast/story_17902655.jsp#.U0r1DvmSw9p \|title=NTPC success \|publisher=Telegraphindia.com \|date=2014-02-06 \|accessdate=2015-03-30}}</ref>

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{{Infobox power station
|name_official = National Thermal Power Station
|image =
|image_caption = Kokrajhar NTPC Ltd.
|image_alt =
|country = India
|location = [[Salakati]] Kokrajhar, [[BTAD]], [[Kokrajhar district]], [[Assam]]
|coordinates = {{coord|26|26|26|N|90|21|43|E|type:landmark|display=inline,title}}
|coordinates_ref =
|status =
|operator = [[National Thermal Power Corporation|NTPC]]
|th_fuel_primary = [[Coal]]
|th_fuel_tertiary =
|ps_units_operational =
|ps_electrical_capacity = 750 MW
|commissioned =
|website = {{URL|https://www.ntpc.co.in/}}
}}
'''National Thermal Power Station in Kokrajhar''' is under construction power project located at [[Salakati]] near [[Kokrajhar]] in [[Kokrajhar district]] in Indian state of [[Assam]]. The power plant is one of the [[coal]] based power plants of [[National Thermal Power Corporation|NTPC]].

The [[coal]] for the plant will be derived from Makum coal mines at [[Margherita, Assam]] and also from [[Eastern Coalfields|Eastern Coalfields Limited (ECL)]].<ref name="telegraphindia1">{{cite web|author= |url=http://www.telegraphindia.com/1140206/jsp/northeast/story_17902655.jsp#.U0r1DvmSw9p |title=NTPC success |publisher=Telegraphindia.com |date=2014-02-06 |accessdate=2015-03-30}}</ref>

==History==
Kokrajhar Thermal Power Station is a coal based power plant situated in Salakati in the district of Kokrajhar in Assam. It consists of three coal-fired units of 250MW each. These units came into operation during the year 1981 to 1986 in two stages. In the first stage, two units (Unit I & II) were commissioned in 1981 and 1982 respectively. In the second stage, two units (Unit-III & IV) were commissioned in 1985 and 1986 respectively.

Major equipment like boiler, turbine, auxiliaries like BFP, CEP, PA fans, bowl mills etc. were supplied by BHEL. In coal handling plant, major equipment like primary and secondary crusher were supplied by TRF and wagon tippler was supplied by Heavy Engineering Corporation (HEC). Since commissioning none of the units could deliver the desired level of generation for various reasons. Some of the main reasons were problems in the boiler, turbine, mill and other unit auxiliaries and also in the coal handling plant. During July 2002, the plant was running at a very low PLF of 4.6%, very high auxiliary power consumption of 22.68% very high specific oil consumption of 59.12 ml/kwhr and height specific coal consumption of 0.85 kg/kwhr with a coal of GCV 3500 Kcal/kg. None of the units could deliver the required level of generation and the maximum PLF of the plant in the last twenty years of operation has been only 24.23%. As a result, the station had to be shut down. It had been found that although it was technically feasible to renovate the existing units of NTPC, Salakati, it would not have been economically viable as the tariff works out to about Rs 3.16 per unit after carrying out R&M at an estimated cost of about Rs 7 billion. Hence, capital grant/viability gap funding of Rs 3.5 billion would have to be provided to bring down the tariff to an acceptable level of Rs 2.50 per unit. The alternative is NTPC's proposal to set up a new 750 MW (3 X 250 MW) Thermal Power Station at the same location, at a total project cost of approximately Rs Rs 44.9624 billion based on third quarter 2006 price level. The power station would be based on Fuel Gas Desulphurization (FGD) technology due to high sulphur content of Assam coal, involving an additional cost of Rs 0.5 crores/MW approximately.

==Capacity==
Its planned capacity of 750 MW (3x250 MW).
{| class="wikitable"
|-
! Unit Number !! Capacity ([[Megawatt|MW]]) !! Date of Commissioning !! Status
|-
| 1 || 250 || 2015 June || commissioned.<ref>{{Cite news|url=http://www.business-standard.com/article/pti-stories/bhel-commissions-250-mw-unit-of-ntpc-s-bongaigaon-power-plant-115062300449_1.html|title = BHEL commissions 250 MW unit of NTPC's Bongaigaon power plant|newspaper = Business Standard India|date = 23 June 2015|agency = Press Trust of India}}</ref>
|-
| 2 || 250 || 2017 March || commissioned.<ref>{{Cite web|url=http://auto.economictimes.indiatimes.com/news/industry/nhai-working-on-5-expressways-eastern-peripheral-paces-up/57798015|title = NHAI working on 5 expressways, Eastern Peripheral paces up - ET Auto}}</ref>
|-
| 3 || 250 || 2019 March || commissioned.<ref>{{Cite web|url=http://auto.economictimes.indiatimes.com/news/industry/nhai-working-on-5-expressways-eastern-peripheral-paces-up/57798015|title = NHAI working on 5 expressways, Eastern Peripheral paces up - ET Auto}}</ref>
|-
| '''TOTAL''' || 750 || ||
|}

==References==
{{Reflist}}

{{Portal|India|Energy}}
{{NTPC Power Stations}}

[[Category:Coal-fired power stations in Assam]]
[[Category:Kokrajhar district]]
[[Category:2015 establishments in Assam]]
[[Category:Energy infrastructure completed in 2015]]