Ethiopia is building the dam on the main tributary of the Nile, and Egypt fears that the project will imperil its water supply.
- Experts from those two nations and Sudan, the third country directly involved, had neared a technical consensus last year on how fast Ethiopia would fill the dam’s reservoir.
- But the past few months have seen Addis Ababa and Cairo move further apart amid feisty exchanges of rhetoric. Experts made little progress at their latest meeting this month in Khartoum.
There are still reasons to think a deal can be struck.
First, however, the two leaders need to reiterate at Sochi their intention to cooperate over the GERD, so as to create an atmosphere conducive to agreement on filling and operating what will be the continent’s largest hydropower plant.
Ethiopia began building the GERD on the Blue Nile River in 2010. Meles Zenawi, then Ethiopia’s leader, argued that the dam was critical to the country’s development efforts and would benefit the whole region. He said nearby states, including Egypt, would gain from purchasing the cheap electricity Ethiopia intends the dam to produce.
The scheme alarmed Cairo. Egypt claims “historical rights” over the Nile, stemming from treaties to which upstream countries, with the exception of Sudan, were not party.
- Most of those treaties date to the colonial era; the most recent, a 1959 Egypt-Sudan pact, apportioned all 84 billion cubic metres of the Nile’s waters between Egypt (then the United Arab Republic), Sudan and evaporation.
Egypt still bases its supply on the 55.5 billion cubic meters agreed upon in 1959, but it is estimated to use more than that as Sudan does not use its full allocation.
Egypt is especially vulnerable to reductions in Nile flows. It relies on the river for about 90% of its water needs. Abdullatif Khalid, head of the irrigation sector, said recently that “drinking water is consuming 11 billion cubic metres, […] industrial usage consumes 8 billion cubic meters, and the rest is distributed to agriculture”.
Egypt characterises the status of the Nile as a life and death matter.
Egypt also relies on the Nile to generate about a tenth of its power, particularly from its High Dam at Aswan.
Egypt characterises the status of the Nile as a life-and-death matter. It fears the loss of Egyptian influence and control over upper Nile states that Ethiopia’s unilateral project represents. It also worries that acceding to Ethiopia over the GERD could pave the way for other major hydropower and irrigation projects by upstream Nile nations.
Ethiopian officials portray such concerns as quasi-imperialist. “The struggle is between a country which wants to ensure equitable and reasonable utilisation and another which wants to maintain a colonial-era treaty of injustice and unfairness,” said one Ethiopian diplomat.
A statement from the Ethiopian Foreign Ministry blamed Egypt for acting as a spoiler at this month’s Khartoum talks.
- Ethiopian officials argue that Egypt built the Aswan dams in a bid to drive its own economic growth but that Cairo has since used its international influence to prevent upstream Nile development.
- They portray Ethiopia’s eventual decision to construct the GERD as an effort to redress a historic imbalance and as a last resort after Egypt refusal to cooperate over the basin.
In March, Crisis Group encouraged Egypt, Ethiopia and Sudan to persevere in trying to agree a detailed policy for filling the GERD’s reservoir. The three countries had taken some steps in that direction. In 2015, they signed a Declaration of Principles pledging to equitably share water resources and cooperate over the GERD, and since then have met regularly at both technical and political levels to try to reach agreement.
Forging an initial filling deal could increase trust among the parties, which is all the more important given the threat posed by rising temperatures in the Nile basin.
In the longer term, Crisis Group supports the idea that the three countries, together with the other eight who share the Nile’s waters, establish a broader resource-sharing arrangement via the Nile Basin Commission that is to form once six of the eleven riparian nations ratify the Cooperative Framework Agreement (CFA).
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Egypt signed on to the 2015 Declaration, but, along with Sudan, it rejects key parts of the CFA. Cairo stresses in its Nile policy the “inviolability of our water share”. Addis Ababa, meanwhile, is explicit that water allocation treaties to which it was not party have “no applicability whatsoever on Ethiopia”.
Ethiopia wants to move quickly to expedite maximum power generation; Egypt is concerned about how the dam will be managed during drought years.
After some heated words of its own, Cairo put its well-oiled diplomatic machine into action at late September’s UN General Assembly meeting in New York.
Egyptian diplomats met with counterparts from Burundi and South Sudan, two riparian countries that are cash-strapped and experiencing major internal crises.
- Burundi, along with Kenya and Uganda, has signed but not ratified the CFA, while South Sudan has not yet made its position clear.
An experienced observer of Nile politics says it is “common knowledge that Cairo increases its activism with upper riparians, especially South Sudan, whenever rhetoric with Addis increases.”
Egypt’s intention appears to be to forestall explicit statements of support for Ethiopia’s position from other upper Nile nations and to drag out the CFA’s ratification.
The sticking point
The initial challenge lies in the sides’ competing positions on filling the GERD reservoir.
- Ethiopia wants to move quickly to expedite maximum power generation.
- Egypt is concerned about how the dam will be managed during drought years and wants the GERD filled slowly enough that a sufficient volume of water can flow downstream each year during filling.
Egypt also says it wants an office at the GERD site staffed with its own technicians. Ethiopia counters that this proposal breaches its sovereignty. It also has repeatedly rejected as unnecessary Egyptian calls for third-party meditation in the dispute.
The GERD’s 74-billion cubic metre reservoir is to be filled in three stages.
- The first consists of tests of the initial two turbines, which require some 3 billion cubic meters (bcm) of water and would take one year.
- Second, all 13 turbines would be tested, requiring at least another 12 bcm and one more year.
- Last, Ethiopia would fill the rest of reservoir – although its volume would fluctuate by around 50 bcm each year as Ethiopia would have to allow much of the water out ahead of seasonal rainfall to prevent overflowing.
The first two years’ filling would use too little water to significantly affect downstream supplies. It is the final stage that worries Egypt and prompts its disagreement with Ethiopia.
Last year, the National Independent Scientific Research Study Group, comprising Egyptian, Ethiopian and Sudanese experts, made progress toward a filling agreement that all parties could get behind. This deal would entail Ethiopia annually releasing about 35 bcm (around 70% of the Blue Nile’s average annual flow) of water downstream as it fills the dam.
Egypt subsequently slowed down the pace of talks. At the February meeting of the African Union, President Sisi told Prime Minister Abiy that he wanted to discuss the minutes from the study group meetings.
These conversations led to a new Egyptian proposal, which called for a minimum annual release of 40 bcm of water from the GERD during the period of filling.
- Egypt had also requested that the entire average annual Blue Nile flow of 49 bcm be released once the GERD is operational and the dam filled.
If the flow decreases, Cairo says Addis Ababa should make up for the deficit the next year. Ethiopia has rejected both suggestions.
Space for compromise
Despite the recent disagreements, the 2018 progress and expert studies suggest that a compromise solution exists. In a period of average or above-average rainfall, releases of around 35 bcm would allow Ethiopia to fill the dam at a slightly faster rate than if the annual release was at 40 bcm, while also avoiding acute water shortages in Egypt.
Ethiopia seems ready to agree to a 35 bcm release. According to experts like Kevin Wheeler from the Environmental Change Institute, University of Oxford, who has studied the GERD filling options with a team of experts, a 35 bcm release could fill the dam’s reservoir in five to six years, assuming average flows. Ethiopia said after the latest inconclusive talks that it proposed to fill the GERD in four to seven years.
Despite Cairo’s reservations, this fill rate does not appear likely to significantly damage Egypt’s water supply or power generation. “Under wet to average conditions with a 35 bcm release, Egypt does not need to suffer any shortages, or very minimal reductions if they use their drought management policy,” Wheeler told Crisis Group.
- There are also steps that Egypt could take to manage water more efficiently and mitigate the dam’s potential impact on agriculture and manufacturing. Aid programmes could improve irrigation efficiency, for example.
For its part, Ethiopia could also be more accommodating, especially given climate volatility and Egypt’s concerns about how the dam will be managed in drought conditions. One experienced observer questions why Ethiopia is apparently so fixated on filling the reservoir quickly to its maximum volume of 74 bcm. After all, the reservoir will need draining to around 20 bcm each year before the rainy season to guard against over-spilling.
Nor is it clear whether sufficient demand exists in either Ethiopia or export markets to justify maximising the GERD’s power generation in the first few years. For example, in 2017/18, all of Ethiopia consumed less electricity than the 15,760 gigawatt hours a year that the GERD is projected to generate.
- In that same year, Ethiopia sold 1,516 gigawatt hours to Sudan and Djibouti.
It has ambitions to sell power to East Africa via an under-construction transmission line to Kenya, but there is work to do on building further inter-connections and negotiating export deals, including, potentially, with Egypt and Gulf states.
The likely gap between the dam’s maximum output and demand means that Ethiopia could take a concertedly flexible approach to the initial stages, including filling the dam only to the extent it needs at present. Such an approach may allow it to initially release more water each year, ensuring that the reservoir at Aswan retains a healthy volume and giving Egypt more time to adapt.
Returning to constructive talks
It is hard to say precisely when the GERD will start impounding water, but parties should have at least all next year to thrash out a deal on filling. There was a major hiccup in the dam’s construction last year, when Ethiopia’s political power struggle and the transition that saw Abiy come to power rocked the mega-project.
But the Ethiopian state seems to have rallied behind the GERD again. Its completion is inevitable – as Prime Minister Abiy made clear in Parliament yesterday – even if there are further delays.
Given the renewed spat between their countries, Sisi and Abiy could help prepare the ground for constructive negotiations during their meeting in Sochi at what is the first Russia-Africa summit.
Even if warm words are exchanged, a real breakthrough at the technical level is unlikely any time soon. But if Sisi and Abiy can achieve a reset it would increase the chances that the engineers, lawyers and diplomats can hammer out a deal.
Addressing the mistrust among riparian nations, which the GERD presently symbolises, is critical.
More broadly, a deal on filling and operating the GERD should create space for renewed diplomacy aimed at safeguarding the Nile basin’s long-term future.
Climate change means that not only Egypt but all Nile nations should be concerned about water shortages.
A study published in August in the Earth’s Future journal found that despite models projecting increased rainfall, nations like Ethiopia, South Sudan and Uganda may have less water available to them due to hotter and drier years in the Nile basin.
- Such findings are of even more acute concern to rain-starved Sudan and Egypt, which rely on downstream flows.
Addressing the mistrust among riparian nations, which the GERD presently symbolises, is critical. Those countries need to institutionalise cooperation, including exchanging data on critical elements such as rainfall levels, river flows, dam volumes and power needs.
If President Sisi and Prime Minister Abiy can set the right tone in Sochi, they could set a path for a GERD agreement that in turn could catalyse the eventual ratification of the Cooperative Framework Agreement and management of the world’s longest river via the Nile Basin Commission.
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