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Kenya banks on new geothermal power line to curb leakages

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Kenya hopes that a new geothermal power line that will transport electricity to the western part of the country will curb leakages and save it a fortune, Fernandes Barasa, the Managing Director at Kenya Electricity Transmission Company (KETRACO) has said.

The 300km high voltage line, with the benefit of less power losses, is set for completion early next year and will connect Counties in Western Kenya to geothermal power plants in Olkaria, Naivasha.

“The line, once complete, will save at least Sh. 2 billion that is lost via technical losses in the current 132kV lines that are overstretched at the moment. Further savings will come from the shutdown of the current thermal generator at Muhoroni,” said Mr Barasa.

Olkaria geothermal hub in the Rift has surplus electricity, some of which is sitting idle due to lack of enough transmission lines, a situation the country seeks to turn around.

“The project will, therefore, offer an evacuation route for the geothermal power from Olkaria to West Kenya and also provide voltage support to the region,” said FCPA Barasa.

Reliable power supply to western is expected to ignite activity, ensuring uninterrupted operations for factories, businesses and households.

The expected overall impact of cheap geothermal supply to western Kenya is lower bills for consumers across the country since power tariffs on the national grid are harmonised regardless of location and energy source.

The 300km Olkaria-Lessos-Kisumu line runs from Naivasha steam fields through Eldoret to the lakeside city of Kisumu.

The Sh18.2 billion West Kenya project is financed by Japan through JICA and expected for completion by April 2020. Contracted firms are Kalpataru, NARI Group and Sieyuan.

It’s split into three lots: The first lot involves construction of a 400 kilovolt (kV) line from Olkaria to Lessos (213km) with a capacity to carry up to 1,200 megawatts (MW) of electricity.

Lot two runs from Lessos to Kisumu, a distance of 77km with the 220kV cable capable of carrying 400 MW of power.

The final lot involves construction of substation extensions at Olkaria, Lessos and Kisumu (Mamboleo), with a new switchyard at Kibos which will be crucial in providing feeders and offering Kisumu County with alternative supply, creating redundancy, hence less downtimes.

In 2017, the Coastal region equally started receiving geothermal power following the completion of the Mombasa-Nairobi line that is connected to Olkaria steam fields. Before that, coastal towns fully relied on expensive electricity from diesel generators stationed at the coast.

KETRACO is the agency behind construction and operation of high voltage transmission lines (132kV and above), with those below falling in Kenya Power’s domain.

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