Mwaswast, it is fully sufficient for ldc country with a relatively huge poor populace, and weak industry, energy needs are meagre, they may be right to say 1350mw supplies 85% of the country.
Another option is that the wires may be connected across the country 85% of the physical area but fewer people use it/connected to it, majority can't afford, give them the benefit of the doubt. Tanzania ni ya viwonder![emoji23][emoji23][emoji23][emoji23]