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 Name	Voltage (kv)	Length (km)
1	Hidase – Dedesa – Holetta	500 KV	719 KM
2	Wolayta Soddo –Addis Ababa	400 KV
3	Gibe II – Wolayta Soddo	400 KV	119 KM
4	Genale Dawa III – Yirgalem Wolayta Soddo	400 KV	327 KM
5	Sululta – Gebre Guracha-Debre Markos	400 KV	280 KM
6	Alaba – Hosana – Wolkitie Gilgel Gibe –Jimma – Agaro – Bedele Metu – Gambola	230 KV	455 KM
7	Akaki – Deberzeit – Dukem – mojjo – Ginchi	400/230 KV	46 KM
8	Alamata – Mekele	230 KV	141 KM
9	Koka –Hurso – Dire Dawa	230 KV	352 KM
10	Metu – Gambella	230 KV
11	Sawula – Key Afer	230 KV	112 KM

Power Substations Under Operations

No	Name of substation	Voltage	Location
1	Holeta substation	500 KV	State of Oromia, at Holeta town
2	Dedesa substation	500 KV	State of Oromia, at dedesa
3	Wolayta Soddo substation	400 KV	South nation, nationality, people’s state, at Soddo town
4	Deber Markos substation	400 KV	State of Amhara, Deber Markos town
5	Yirgalem substation	400 KV	South nation, nationality people’s state, near yirgalem town
6	Kality I substation	230 KV	Addis Ababa, at Kality sub city
7	Gefersa I substation	230 KV	State of Oromia, at Gefersa town
8	Gefersa II substation	230 KV	State of Oromia, at Gefersa town
9	Gedo substation	230 KV	State of Oromia, near Gedo town
10	Gibe II substation	230 KV	South nation nationality people’s state
11	Key Afer substation	230 KV	South nation nationality people’s state, at key Afer village
12	North Kality substation	132 KV	Addis Ababa, at kality sub city
13	Kality II substation	132 KV	Addis Ababa, at kality sub city
14	Arba Minch substation	132 KV	South nation nationality and people’s state at Arba Minch town
15	Hawassa substation	132 KV	South nation nationality and people’s state, at Hawassa town
16	Sebeta substation	230 KV	State of Oromia, at Sebeta town
17	Motta substation	230 KV	State of Amhara, at Motta town
18	Weregenu substation	132 KV	Addis Abeba, at Gerji
19	Kotebe substation	132 KV	Addis Ababa, around Kotobe
20	Adwa substation	230 KV	State of Tigrai, at Adwa Town
21	Dabat substation	66 KV	State of Amhara, at Dabat Town
22	Mehoni Substation	230 KV	State of Amhara, at Mehoni Town
23	Gambella substation	230 KV	State of Gambella, at Gambella town