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The document outlines a collaborative project using the SEI nexus toolkit—integrating the Water Evaluation and Planning (WEAP) and Long-range Energy Alternatives Planning (LEAP) systems—to analyze trade-offs and synergies in Ethiopia's upper Blue Nile region. Initial findings indicate that while increased irrigation can reduce water for hydropower and the environment, optimized dam operations can meet both energy and environmental goals. Additionally, the study highlights a link between energy transitions and agriculture, noting that shifting away from traditional biomass could improve soil productivity.

The document examines the food-energy-water nexus in Ethiopia's Lake Tana and Beles River basins, using the SEI nexus toolkit (WEAP-LEAP) to model three development scenarios. It finds that agricultural intensification and energy transitions are interdependent and potentially competitive, noting that Ethiopia has reached a "biomass ceiling" where demand for fuel, food, and fodder equals primary productivity. The analysis highlights trade-offs between hydropower production and maintaining critical water levels in Lake Tana, suggesting that a coordinated nexus approach is essential to meet the targets of the Growth and Transformation Plan (GTP) and the Climate Resilient Green Economy Strategy (CRGE) without compromising environmental sustainability.