Installed solar electricity capacity, in megawatts (IRENA). Source: IRENA. Retrieved 2 May 2026.
| Period | Solar Capacity |
|---|---|
| 2025 | 12.2 MW |
| 2024 | 12.2 MW |
| 2023 | 6 MW |
| 2022 | 5.5 MW |
| 2021 | 6 MW |
| 2020 | 6.1 MW |
| 2019 | 6 MW |
| 2018 | 10 MW |
| 2017 | 9 MW |
| 2016 | 8.7 MW |
| 2015 | 8.7 MW |
| 2014 | 7.5 MW |
54 countries carry a recent installed solar electricity capacity figure. Each opens its own page with the history, the source and the API request.
165 of 207 indicators carry a figure for Tanzania, grouped by topic.