Wireless Sensor Networks (WSNs) are essential for different applications, however the restricted energy of sensor nodes presents have certain challenges. This paper presents a novel routing based energy optimization techniques to support durability in WSNs. It evaluates general challenges, focusing the significance of energy effectiveness for network permanence. The proposed routing approach incorporates intelligent energy-aware algorithms that regulate the network conditions. The research estimates their impact on network performance metrics like latency and reliability through rigorous design and simulation. Moreover it explores suggestions across application domains like environmental monitoring and healthcare, highlighting the potential for sustainable WSNs. Also represents a significant advancement in achieving sustainable WSNs by introducing promising energy optimization techniques that offer efficient solutions for a range of applications.