Other important issues relate to, inter alia: whether or not the planning is done in a co-ordinated manner with incoming flow of projects on electricity generation from renewable resources and whether the planning is done in a way that reflects natural resource endowments. These are treated in the public governance section of this report. In Tanzania, the state-owned utility company TANESCO has passed through an excessive fraction of purchase costs to consumers, causing electricity tariffs to rise by 70% between 2008 and 2012.