Installed hydropower electricity capacity, in megawatts (IRENA). Source: IRENA. Retrieved 2 May 2026.
| Period | Hydropower Capacity |
|---|---|
| 2025 | 2.8K MW |
| 2024 | 1.4K MW |
| 2023 | 680.5 MW |
| 2022 | 599.5 MW |
| 2021 | 599.1 MW |
| 2020 | 597.7 MW |
| 2019 | 596 MW |
| 2018 | 595.1 MW |
| 2017 | 589.1 MW |
| 2016 | 587.5 MW |
| 2015 | 579.3 MW |
| 2014 | 572.3 MW |
41 countries carry a recent installed hydropower 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.