# Public private partnerships investment in energy (current US$) — IDB
> Latest: 1.82 billion (2021). Change: -67.6% vs 2020.
- Frequency: Annual · Coverage: 2005–2021
- Data updated: 2026-10-08
- Source: World Bank — IE.PPN.ENGY.CD — https://data.worldbank.org/indicator/IE.PPN.ENGY.CD
- License: CC BY 4.0
- Interactive chart: https://econdash.org/chart/wdi-ie-ppn-engy-cd/IDB
## Recent values
| Year | Value |
| :--- | :--- |
| 2005 | 944.50M |
| 2015 | 1.76B |
| 2017 | 6.25B |
| 2020 | 5.63B |
| 2021 | 1.82B |
## How to cite
APA: World Bank. (2021). Public private partnerships investment in energy (current US$) — IDB [Data set]. Retrieved November 13, 2026, from EconDash: https://econdash.org/chart/wdi-ie-ppn-engy-cd/IDB. Original source: https://data.worldbank.org/indicator/IE.PPN.ENGY.CD
## Full data
Full time series: https://econdash.org/docs/agent-payments (free API trial for core indicators of 10 major economies; otherwise an API key or pay per call)