In response to the challenges posed by climate change, this project explores hardening strategies for power distribution networks to enhance resilience and reliability. The focus is on evaluating vegetation management, selective undergrounding, and the development of multipurpose utility tunnels (MUTs) against the backdrop of increasing weather-related outages. By integrating risk analysis with lifecycle cost-benefit analysis (LCCBA), the research seeks to forecast outage probabilities, assess the financial and societal impacts of each hardening strategy, and propose evidence-based policies for sustainable infrastructure development. This multidisciplinary effort combines climate risk assessment, deep learning for outage prediction, and innovative construction techniques, aiming to inform utility policies that balance cost, effectiveness, and social equity.