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Rwanda’s electricity system is approaching a ceiling. The combined output of the country’s existing sources, such as hydropower, methane gas, solar, peat and diesel, amounts to roughly 1,000 megawatts. Against government projections of electricity demand reaching between 2.5 and 4.5 gigawatts by 2050, that ceiling is not a distant constraint but an immediate strategic challenge.
Kigali is addressing it head-on. The second Nuclear Energy Innovation Summit on Africa brought together experts, policymakers, scientists and energy stakeholders to examine the role of nuclear science in Africa’s development, with Rwanda as host and one of the continent’s most serious near-term candidates for nuclear deployment. Presidents Paul Kagame, Samia Suluhu Hassan of Tanzania, and Faure Essozimna Gnassingbé of Togo participated in a gathering that signals growing political seriousness around an energy option that has historically been considered too complex, too expensive or too politically sensitive for African governments to pursue.
The appeal is straightforward, as Chief Executive Officer of the Rwanda Atomic Energy Board, Fidele Ndahayo, articulated it precisely: “The specificity of nuclear power is that it is available 24 hours a day, seven days a week, for several years. You need to avoid any disruption in generation because disruption may lead to bad consequences,” explained Ndahayo. Unlike solar or wind, nuclear baseload generation operates independently of weather conditions, a reliability that is central to supporting industrial growth, expanding digital infrastructure and anchoring long-term economic transformation.
Rwanda’s strategy focuses on Small Modular Reactors rather than conventional large-scale plants. The geography makes the logic clear. “In Rwanda, which is almost 26,000 square kilometers, large nuclear power plants are not really an option,” noted Ndahayo. SMRs can be deployed in smaller units, scaled gradually to match demand and managed with less land and infrastructure than conventional reactors require. He added, “Luckily, the market now has small modular reactor technologies under development. You can scale the production depending on demand.” Rwanda aims to deploy its first SMR in the early 2030s, targeting approximately 1.5 gigawatts of nuclear capacity by 2050.
The International Atomic Energy Agency conducted an Integrated Nuclear Infrastructure Review in Rwanda earlier this year, confirming substantial progress in early-stage nuclear readiness. The technical and financial challenges ahead with regulatory frameworks, workforce development, cybersecurity systems, grid upgrades and capital costs running into billions of dollars over timelines of seven to ten years are real and demanding. Rwanda’s approach is methodical rather than aspirational, and the summit in Kigali signals that the conversation has moved from whether nuclear is an option for Africa to how and when it gets built.
