Kenya’s KETRACO to complete work on 400/220 kV substation by 2017 January 29, 2016 | Middle East & Africa News The state-owned Kenya Electricity Transmission Company (KETRACO) is likely to complete the work on the KES2.7 billion worth 400/220 kV Mariakani substation in Nairobi, by 2017. This content is available to only paying subscribers. Username or E-mail Password Remember Me Forgot Password