Breaking: Major hike in Chukha tariff to push up revenue

Bhutan can earn around an additional Nu 540 mn a year from the 336 MW Chukha as India hikes tariff by 30 cheltrums per unit. The hike will be effective from 1st January 2017.
Chukha produces around 1800 million units a year.

This can also push up the total revenue of Chukha to 4.540 bn upto Nu 4.600 bn if all its power is exported. (The actual exact export revenue figures will depend on the annual production of power and also how much of it is exported).
For 2017 the additional actual export revenue that will come to Bhutan due to the hike is Nu 482 mn as not everything is exported due to growing domestic demand. Hence the total revenue for 2017 based on the export figures is 4 bn.

In June 2017 a delegation of Bhutanese officials requested for a 25 cheltrums hike per unit to Indian officials who made it clear that based on their calculations the hike would much below the requested 25 cheltrums if at all. Some even suggested a decrease in the tariff given that Chukha had paid its loans and had a low cost of operation.

After this, Lyonchhen Dasho Tshering Tobgay intervened directly and took it up at the political level with New Delhi which has now agreed to 30 cheltrums hike to mark the 50 years of diplomatic ties between the two countries.

The last hike was four years ago in 2014 with 25 cheltrums per unit effective from January 2014 pushing the potential revenue of Chukha at the time from Nu 3.6 bn to around Nu 4 bn a year if everything was exported. At the time too the higher than expected hike was based on the request of the current government. The Chukha tariff is reviewed every four years on a cost plus basis.

The 1974 agreement on Chukha project outlines that the tariff will be revised ever four years based on factors like Operation and Maintenance costs, weighted average costs of hydro projects in the North East and Eastern region and other factors.

The first tariff hike was in 1990 when the earlier different rates of Nu 0.13 per unit for secondary energy and Nu 0.26 for firm energy fixed in 1986 was made uniform at Nu 0.26 per unit. The second hike in 1993 which made it Nu 0.37 per unit. The third increase in 1995 made it to Nu 0.50. The fourth hike in 1997 made it Nu 1. The fifth hike in 1999 made it Nu 1.50 and the sixth hike in 2005 made it Nu 2 a unit. The seventh hike in 2014 applicable from 2013 January increased it to Nu 2.25 per unit. The tariff hikes in the past usually coincided with the visits of His Majesty The Fourth King to India.

Given that Chukha has the highest tariff rate almost all of this power is exported as Bhutan uses power from other projects like Tala, Kurichu and Basochu.

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