From Conflict to Cooperation? Lessons from the GERD for Transboundary Water Diplomacy in the Nile Basin

Abstract

The Grand Ethiopian Renaissance Dam (GERD) stands as one of the most ambitious hydropower projects in Africa, symbolizing both Ethiopia’s developmental goals and the complex hydro-politics of the Nile Basin. Since its launch in 2011, the GERD has sparked intense debates between riparian states specifically Ethiopia, the largest upstream sources of the Nile, and Egypt, the principal downstream user, alongside Sudan, over issues of water security, energy needs, and regional economic development. While Egypt has expressed concerns over potential reductions in downstream flows, Ethiopia has emphasized the dam’s critical role in addressing domestic energy shortages and regional power integration. This tension highlights the dual nature of large-scale water infrastructures-as both sources of conflict and potential platforms for cooperation. Drawing upon the GERD case, this paper examines the evolving dynamics of transboundary water diplomacy in the Nile Basin. It explores the hydro-political, technical, institutional, and cooperative frameworks shaping management of transboundary waters, implications and the role of international actors, and the broader lessons for conflict transformation and mechanisms in shared river basins. Ultimately, the GERD experience underscores that the transition from conflict to cooperation is neither automatic nor linear, but contingent upon trust-building, inclusive dialogue, and adaptive governance.

Keywords

• Grand Ethiopian Renaissance Dam (GERD);
• Nile Basin
• Transboundary Water Diplomacy
• Hydro-politics
• mega dam project

References

1. Almesafri, A., Abdulsattar, S., Alblooshi, A., Al-Juboori, R. A., Jephson, N., & Hilal, N. (2024). Waters of Contention: The GERD and Its Impact on Nile Basin Cooperation and Conflict. Water, 16(15), 2174. https://doi.org/10.3390/w16152174
2. De Stefano, L., Petersen-Perlman, J. D., Sproles, E. A., Eynard, J., & Wolf, A. T. (2017). Assessment of transboundary river basins for potential hydro-political tensions. Global Environmental Change, 45, 35–46. https://doi.org/10.1016/j.gloenvcha.2017.04.008
3. Eastern Africa Power Pool (EAPP). (2025). Facilitating provision of reliable, affordable and sustainable electrical energy for all in the Eastern Africa region through coordinated actions. Https://Eappool.Org/.
4. El Kenawy, A. M. (2024). Hydroclimatic extremes in arid and semi-arid regions: status, challenges, and future outlook. In Hydroclimatic Extremes in the Middle East and North Africa (pp. 1–22). Elsevier. https://doi.org/10.1016/B978-0-12-824130-1.00012-6
5. Gari, Y., Block, P., Steenhuis, T. S., Mekonnen, M., Assefa, G., Ephrem, A. K., Bayissa, Y., & Tilahun, S. A. (2023). Developing an Approach for Equitable and Reasonable Utilization of International Rivers: The Nile River. Water, 15(24), 4312. https://doi.org/10.3390/w15244312
6. Glada Lahn, & Greg Shapland. (2022). Cascading climate risks and options for resilience and adaptation in the Middle East and North Africa. https://www.cascades.eu/
7. Greg Shapland, Kevin Wheeler, & Ana Elisa Cascão. (2025). The Nile Basin: climate change, water and future cooperation.
8. Jewaro, A. K., Yunus Pamukoglu, M., & Zelenakova, M. (2025). Water Management: Insights from Two Distinct Sub-Saharan Africa. Selected Scientific Papers - Journal of Civil Engineering, 20(1), 1–26. https://doi.org/10.2478/sspjce-2025-0002

9. Jiang, R., Lu, H., Chen, D., Yang, K., Guan, D., Huang, G., & Tian, F. (2025). Transboundary conflict from surface water scarcity under climate change. Nature Communications, 16(1), 8166. https://doi.org/10.1038/s41467-025-63568-y
10. K. Paisley, R., & Henshaw, T. W. (2013). Transboundary governance of the Nile River Basin: Past, present and future. Environmental Development, 7, 59–71. https://doi.org/10.1016/j.envdev.2013.05.003
11. Kåresdotter, E., Skoog, G., Pan, H., & Kalantari, Z. (2023). Water-related conflict and cooperation events worldwide: A new dataset on historical and change trends with potential drivers. Science of The Total Environment, 868, 161555. https://doi.org/10.1016/j.scitotenv.2023.161555
12. Khairy, W. M., El-Motasem, M., Mehanna, A., & Hefny, K. (2019). Estimation of evaporation losses from water bodies in the Sudan and Ethiopia. International Journal of Energy and Water Resources, 3(3), 233–246. https://doi.org/10.1007/s42108-019-00031-x
13. Kim, U., & Kaluarachchi, J. J. (2009). Climate Change Impacts on Water Resources in the Upper Blue Nile River Basin, Ethiopia 1. JAWRA Journal of the American Water Resources Association, 45(6), 1361–1378. https://doi.org/10.1111/j.1752-1688.2009.00369.x
14. Mohamed, Y. A., & Abdalla, S. H. (2025). The negotiations around the Grand Ethiopian Renaissance Dam (GERD): a Sudanese perspective. Water International, 50(6), 535–559. https://doi.org/10.1080/02508060.2025.2539566
15. Mohammed, A. A. (2025). The strategic significance of Ethiopia’s hydroelectric energy exports on Horn of Africa regional integration. International Journal of River Basin Management, 23(3), 355–368. https://doi.org/10.1080/15715124.2024.2308205
16. Nile Basin Initiative (NBI). (2025). Nile Cooperation for Results. Nile Basin Initiative (NBI).
17. Onencan, A. M., & Van de Walle, B. (2018). Equitable and Reasonable Utilization: Reconstructing the Nile Basin Water Allocation Dialogue. Water, 10(6), 707. https://doi.org/10.3390/w10060707
18. Pacini, N., & Harper, D. M. (2016a). Hydrological characteristics and water resources management in the Nile Basin. Ecohydrology & Hydrobiology, 16(4), 242–254. https://doi.org/10.1016/j.ecohyd.2016.09.001
19. Pacini, N., & Harper, D. M. (2016b). Hydrological characteristics and water resources management in the Nile Basin. Ecohydrology & Hydrobiology, 16(4), 242–254. https://doi.org/10.1016/j.ecohyd.2016.09.001
20. Pacini, N., & Harper, D. M. (2016c). Hydrological characteristics and water resources management in the Nile Basin. Ecohydrology & Hydrobiology, 16(4), 242–254. https://doi.org/10.1016/j.ecohyd.2016.09.001
21. Sadoff, C. (2002). Beyond the river: the benefits of cooperation on international rivers. Water Policy, 4(5), 389–403. https://doi.org/10.1016/S1366-7017(02)00035-1
22. Sahana, M., Dhali, M. K., & Lindley, S. (2024). Global disparities in transboundary river research have implications for sustainable management. Communications Earth & Environment, 5(1), 786. https://doi.org/10.1038/s43247-024-01928-0
23. Salman, S. M. A. (2017). The Declaration of Principles on the Grand Ethiopian Renaissance Dam: An Analytical Overview. In Ethiopian Yearbook of International Law 2016 (pp. 203–221). Springer International Publishing. https://doi.org/10.1007/978-3-319-55898-1_9
24. Sowby, R. B., South, A. J., Jones, N. L., Hopkins, E. G., & Ames, D. P. (2025). More than modelling: Building trust for positive change in water resources management. Environmental Modelling & Software, 189, 106465. https://doi.org/10.1016/j.envsoft.2025.106465
25. Taye, M. T., Willems, P., & Block, P. (2015). Implications of climate change on hydrological extremes in the Blue Nile basin: A review. Journal of Hydrology: Regional Studies, 4, 280–293. https://doi.org/10.1016/j.ejrh.2015.07.001
26. Tayie, M. S. (2018). The Grand Ethiopian Renaissance Dam and the Ethiopian Challenge of Hydropolitical Hegemony on the Nile Basin (pp. 485–517). https://doi.org/10.1007/698_2018_295
27. Tront, J. M., & Jägerskog, L. A. (2020). Project Information Document (PID) – Nile Cooperation for Climate Resilience .
28. UN SCR (UN Security Council Report). (2021). Security Council Presidential Statement on the Grand Ethiopian Renaissance Dam (GERD). https://www.securitycouncilreport.org/whatsinblue/2021/09/security-council-presidential-statement-on-the-grand-ethiopian-renaissance-dam-gerd.php
29. UN Water. (2024). Transboundary Waters. Vailable Online: Https://Www.Unwater.Org/Water-Facts/Transboundary-Waters/ (Accessed on 12 November 2025).
30. Veldkamp, T. I. E., Wada, Y., Aerts, J. C. J. H., Döll, P., Gosling, S. N., Liu, J., Masaki, Y., Oki, T., Ostberg, S., Pokhrel, Y., Satoh, Y., Kim, H., & Ward, P. J. (2017). Water scarcity hotspots travel downstream due to human interventions in the 20th and 21st centuries. Nature Communications, 8(1), 15697. https://doi.org/10.1038/ncomms15697
31. Vijverberg, J., Sibbing, F. A., & Dejen, E. (2009). Lake Tana: Source of the Blue Nile (pp. 163–192). https://doi.org/10.1007/978-1-4020-9726-3_9
32. Walschot, M., & Katz, D. (2022). Desalination and Transboundary Water Conflict and Cooperation: A Mixed-Method Empirical Approach. Water, 14(12), 1925. https://doi.org/10.3390/w14121925
33. Webuild. (2025). Grand Ethiopian Renaissance Dam:Africa’s largest hydroelectric project Comes True.
34. Wheeler, K. G., Hall, J. W., Abdo, G. M., Dadson, S. J., Kasprzyk, J. R., Smith, R., & Zagona, E. A. (2018). Exploring Cooperative Transboundary River Management Strategies for the Eastern Nile Basin. Water Resources Research, 54(11), 9224–9254. https://doi.org/10.1029/2017WR022149
35. Wolf, A. T., Yoffe, S. B., & Giordano, M. (2003). International waters: identifying basins at risk. Water Policy, 5(1), 29–60. https://doi.org/10.2166/wp.2003.0002
36. World Bank. (2016). Cooperation in International Waters in Africa (CIWA). https://www.worldbank.org/en/programs/cooperation-in-international-waters-in-africa/brief/ciwa-in-the-nile-basin
37. World Commission On Dams. (2000). Dams And Development: A New Framework for Decision Making.
38. Yalew, S. G., van der Zaag, P., Tran, B. N., Michailovsky, C. I. B., Salvadore, E., Borgomeo, E., Karimi, P., Pareeth, S., Seyoum, S. D., & Mul, M. L. (2023). Open-access remote sensing data for cooperation in transboundary water management. Water International, 48(8), 955–974. https://doi.org/10.1080/02508060.2023.2263226
39. Zeitoun, M., Goulden, M., & Tickner, D. (2013). Current and future challenges facing transboundary river basin management. WIREs Climate Change, 4(5), 331–349. https://doi.org/10.1002/wcc.228