| Name | Definition |
| REA | Rural Energy Agency |
| NBS | National Bureau of Statistics of Tanzania |
| GIS | Geographic Information System |
| Electrification status | 0 for non electrified village 1 for electrified village 2 for village where electrification is in progress 3 for village where electrification is planned |
| Average household size | 5.4 persons per households (source : NBS) |
| Acces rate | Electrified population / Total population of the territory.
The electrified population is calculated from the number of TANESCO customers (D1, T1, Luku) and the average number of persons per housholds |
| Coverage rate | Population living in electrified villages / Total population of the territory
Population of all electrified villages is sumed for calculating this indicators. |