Isinya–Singida High Voltage Power Line

The Isinya–Singida High Voltage Power Line is a high voltage electricity power line, under construction, connecting the high voltage substation at Isinya, Kenya to another high voltage substation at Singida, Tanzania.[1]

Isinya–Singida High Voltage Power Line
Location
CountryKenya and Tanzania
Coordinates1.9950°S 36.8000°E / -1.9950; 36.8000
General directionNorth to South
FromIsinya, Kenya
ToSingida, Tanzania
Ownership information
OwnerGovernment of Kenya & Government of Tanzania
PartnersAfrican Development Bank
OperatorKenya Electricity Transmission Company & Tanzania Electric Supply Company
Construction information
ContractorsNorth China Power Engineering Company Limited
Expected2019
Technical information
Type of currentAC
Total length315.5 mi (507.7 km)
AC voltage400kV
No. of circuits2

Location

The power line starts at Isinya, in Kajiado County, about 58 kilometres (36 mi) south of Nairobi,[2] and runs in a southerly direction for approximately 98 kilometres (61 mi) to the border with Tanzania at Namanga.[3]

At Namanga the power line crosses into Tanzania and follows a southerly direction to Arusha, a distance of about 95 kilometres (59 mi) from Namanga.[4] From Arusha the line travels in a south-westerly direction for about 266 kilometres (165 mi) to end at Singida.[5] According to the African Development Bank, 93.1 kilometres (58 mi) of the line are located in Kenya and 414.5 kilometres (258 mi) are located in Tanzania, for total length of 507.6 kilometres (315 mi).[1]

Overview

As far back as 2015, Kenya, Tanzania and Zambia began to explore the amount of electricity that can be moved along high voltage power lines linking the three countries. The objective was to exchange electricity between the Eastern Africa Power Pool to which both Kenya and Tanzania belong, and the Southern African Power Pool to which Tanzania ad Zambia belong. Each country would build and maintain the infrastructure within its borders.[6] Kenya and Tanzania sought a joint consultant to advise of the project.[7] A joint Environmental and Social Impact Assessment (ESIA) in both countries was carried out in 2014, funded by the African Development Bank (AfDB).[1]

Construction in Kenya

In October 2017, Ketraco, the Kenyan electricity transportation monopoly awarded the construction contract for a 400kV substation at Isinya and the 96 kilometres (60 mi) 400kV high tension line from Isinya to Namanga, to North China Power Engineering Company Limited (NCPE).[8] The work will be jointly financed by Kenyan government at US$4.25 million and the AfDB which will offer US$22.42 million in loans. Construction is expected to take 22 months.[9]

Construction in Tanzania

The work in Tanzania involves the construction of approximately 415 kilometres (258 mi) of double circuit high tension power lines, from Namanga, through Arusha to Singida, a 400kV substation in Arusha and another 400kV substation in Singida. The work is budgeted at US$258.82 million.[9]

The section between Singida and Babati was contracted to Kalpataru Power Transmission Limited of India. The Babati to Arusha section was contracted to Bouygues Energies & Services of France. Kenya is expected to establish a 400kV connection to Ethiopia, while Tanzania is expected to establish a similar 400kV connection to Zambia. This will enable seamless power sales between the four countries.[10]

See also

References
  1. Asfaw S; Kulemeka N; et al. (July 2014). "Multinational Kenya–Tanzania Power Interconnection Project: Country : Kenya and Tanzania: Project Number : P-Z1- FA0-052" (PDF). Abidjan: African Development Bank. Retrieved 19 October 2016.CS1 maint: multiple names: authors list (link)
  2. Globefeed.com (19 October 2016). "Distance between Nairobi, Nairobi County, Kenya and Isinya, Kajiado County, Kenya". Globefeed.com. Retrieved 19 October 2016.
  3. Globefeed.com (19 October 2016). "Distance between Isinya, Kajiado County, Kenya and Namanga, Kajiado County, Kenya". Globefeed.com. Retrieved 19 October 2016.
  4. Globefeed.com (19 October 2016). "Distance between Namanga Bus Station, A 104, Namanga, Kajiado County, Tanzania and Arusha, Arusha Region, Tanzania". Globefeed.com. Retrieved 19 October 2016.
  5. Globefeed.com (19 October 2016). "Distance between Arusha, Arusha Region, Tanzania and Singida, Singida Region, Tanzania". Globefeed.com. Retrieved 19 October 2016.
  6. Reuters (19 October 2015). "Zambia, Tanzania, Kenya to assess power output on high-voltage power line". New York City: Thomson-Reuters. Retrieved 19 October 2016.
  7. "Kenya, Tanzania seek consultant for cross-border power lines". The EastAfrican Quoting Reuters. Nairobi. 9 February 2015. Retrieved 19 October 2016.
  8. Otuki, Neville (18 October 2016). "Chinese firm to build KSh2.6 billion power line to Tanzania". Business Daily Africa. Nairobi. Retrieved 19 October 2016.
  9. Anyanzwa, James (18 October 2016). "Work on Kenya-Tanzania powerline set to begin". The EastAfrican. Nairobi. Retrieved 19 October 2016.
  10. Karashani, Bob (9 February 2019). "Tanzania-Kenya joint power project kicks into high gear". The EastAfrican. Nairobi. Retrieved 11 February 2019.

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