Though, commercial production will start within 15 days, electricity generated from the Solukhola Dudhkoshi Hydropower Project – the third largest hydropower project of the country and the largest till date constructed by any private power developer – has been connected to the national grid.
Sahas Power Company – the promoter of the 86-megawatt (MW) Run-Of-The-River (RoR) confirmed that the company has added the electricity to the national grid from February 7 as the test.
Chairperson of Sahas Power Company Him Pathak today shared that the electricity generated by the company has been connected to the national transmission line of the Nepal Electricity Authority (NEA) after successful test operation.
The river flow-based power project is connected to the 132 kVA Solu Corridor at the Lammane substation. The project is connected to the 132 kV transmission line by constructing a 13-km grid from Sahas Energy's powerhouse to Lammane. According to the promoter, the gross head of the project is 613 meters.
The water of Solukhola located in Soluddhukanda Municipality-11 has been diverted to Makubesi in Thulung Dudhkoshi Rural Municipality-3 through a 4,679-meter long tunnel and 1,938-meter long pipeline to generate 86-MW of electricity.
In October 2016, the company, which obtained a generation license from the Electricity Development Department, was entrusted with the construction of the civil sector by the Italian company CMCD Rivenna. But a new contract was called for after breaking the contract with Italian for not working according to the contract. After that, CE Construction took the contract and completed the civil works on time and the project was completed.
The hydro-mechanical contract of the project was taken by Machapuchchhe and Metal Work Sup and the electro-mechanical contract was taken by Vyth Hydro.
The construction of the 86-MW power project was completed at a total cost of Rs 13 billion with a total of 25 per cent of the founders and shareholders and 75 per cent of the bank's investment, under the leadership of Nepal Investment Bank – currently Nepal Investment Mega Bank – with some 10 banks. A consortium of 11 commercial banks, led by then Nepal Investment Bank has provided loan facilities of 73 per cent of the expected cost – of Rs 11.86 billion – to construct the project. The remaining 27 per cent investment is in the form of equity, the company added.
According to the company, the project consists of a simple weir with undersluice, side intake, gravel trap, approach channel, desalting basin, headrace tunnel, surge shaft, inclined pressure shaft and horizontal penstock tunnel, surface powerhouse and a tailrace canal.
The project utilizes a design discharge of 17.05m³/s from Solu Khola and the elevation difference between the proposed intake at Solu Khola and powerhouse at Dudhkoshi River for power generation.
Estimated to complete within September 2020 Solukhola Dudhkoshi Hydropower Project, is delayed due to Covid-19 pandemic.
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