Power Transmission

Power Transmission

Besides the power plants, high voltage transmission lines and substations are crucial to transfer the generated power from the power plant to the national power grid as well as to provide quality electricity nationwide.

Currently, the total stretched high voltage transmission lines has reached more than 17,000km across the country ranging from 132kv to 500kv.This includes 500kv Hidase-Didesa-Holeta, 400kv Wolayta Soddo II-Addis Ababa, 230kv koka-Hurso-Dire Dawa, 230kv Alaba-Hosana-Giligel GibeII-Gima-Agaro-Bedele, and 230kv Metu- Gambela transmission lines which is under operation.

The number of Substations has reached 163 substations ranging from 132kv to 500kv. 500kv Didesa and Holeta substations, 400kv Gibe III, 230kv Hurso, Gambela and Mehoni substations are among the 163 substations currently under operation across the country.

Transmission Lines Under Operations

No.Transmission Line NameVoltage (kv)Length (km)
1Hidase – Dedesa – Holetta500 KV719 KM
2Wolayta Soddo –Addis Ababa400 KV
3Gibe II – Wolayta Soddo400 KV119 KM
4Genale Dawa III – Yirgalem Wolayta Soddo400 KV327 KM
5Sululta – Gebre Guracha-Debre Markos400 KV280 KM
6Alaba – Hosana – Wolkitie Gilgel Gibe –Jimma – Agaro – Bedele Metu – Gambola230 KV455 KM
7Akaki – Deberzeit – Dukem – mojjo – Ginchi400/230 KV46 KM
8Alamata – Mekele230 KV141 KM
9Koka –Hurso – Dire Dawa230 KV352 KM
10Metu – Gambella230 KV
11Sawula – Key Afer230 KV112 KM

Power Substations Under Operations

NoName of substationVoltageLocation
1Holeta substation500 KVState of Oromia, at Holeta town
2Dedesa substation500 KVState of Oromia, at dedesa
3Wolayta Soddo substation400 KVSouth nation, nationality, people’s state, at Soddo town
4Deber Markos substation400 KVState of Amhara, Deber Markos town
5Yirgalem substation400 KVSouth nation, nationality people’s state, near yirgalem town
6Kality I substation230 KVAddis Ababa, at Kality sub city
7Gefersa I substation230 KVState of Oromia, at Gefersa town
8Gefersa II substation230 KVState of Oromia, at Gefersa town
9Gedo substation230 KVState of Oromia, near Gedo town
10Gibe II substation230 KVSouth nation nationality people’s state
11Key Afer substation230 KVSouth nation nationality people’s state, at key Afer village
12North Kality substation132 KVAddis Ababa, at kality sub city
13Kality II substation132 KVAddis Ababa, at kality sub city
14Arba Minch substation132 KVSouth nation nationality and people’s state at Arba Minch town
15Hawassa substation132 KVSouth nation nationality and people’s state, at Hawassa town
16Sebeta substation230 KVState of Oromia, at Sebeta town
17Motta substation230 KVState of Amhara, at Motta town
18Weregenu substation132 KVAddis Abeba, at Gerji
19Kotebe substation132 KVAddis Ababa, around Kotobe
20Adwa substation230 KVState of Tigrai, at Adwa Town
21Dabat substation66 KVState of Amhara, at Dabat Town
22Mehoni Substation230 KVState of Amhara, at Mehoni Town
23Gambella substation230 KVState of Gambella, at Gambella town
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