Ukraine’s wartime power system: damage, resilience, and pathways for renewable recovery

Background The war in Ukraine has caused severe damage to the national power grid, significantly impacting social welfare through the loss of electricity for civilian households, healthcare, and water supply infrastructure. This study examines the urgent need for a sustainable recovery that integrates energy security with European Union decarbonization objectives and environmental resilience. The novelty lies in linking real-time wartime outage dynamics with empirically grounded decentralized recovery pathways, offering a framework to “build back better” under active conflict. The purpose is to evaluate the conditions under which a centralized energy system can be reconstructed to reduce military vulnerability while remaining compatible with long-term climate goals. Methods The study applied an integrated analytical approach by adapting internationally recognized Recovery and Peacebuilding Assessment and Rapid Damage and Needs Assessment frameworks to an active-war context. Data were synthesized from over 100 verified sources supplemented by Geographic Information System based mapping to visualize damage intensity across 24 administrative regions. The analysis relies on cross-referencing state reports with international assessments. Results Findings show that Ukraine’s effective electricity generation capacity fell by approximately 61% by late 2023 (from 36.0 GW to 13.9 GW). The existing centralized model proved highly vulnerable, as reliance on large generation hubs and long-distance transmission created “single points of failure” exploited by targeted attacks. By 2023, targeted strikes disabled 80% of thermal plants, 90% of wind facilities, 44% of nuclear capacity, and 15% of biogas facilities. Regional analysis reveals prolonged outages exceeding seven months in frontline areas. Human capital is identified as a critical binding constraint, as mobilization and mass displacement have depleted the technical workforce required for system operation. Conclusions The study proposes a sequenced recovery pathway to ensure resilience. Short-term priorities must focus on stabilizing central grid functions and critical social loads. Medium-term efforts should shift toward modular, renewable-based solutions to increase regional autonomy. Long-term transformation requires deep regulatory reform, alignment with European energy markets through Guarantees of Origin, and sustained investment in technical workforce training to avoid infrastructure lock-in. This strategy provides a empirically grounded roadmap for a resilient, climate-aligned energy system capable of operating under continued security constraints.