The world is facing numerous climate change challenges and an increasing demand for sustainable food sources. As a result, the aquaculture sector is considered the optimal solution for bridging the global food gap. Furthermore, the sustainability and efficiency of aquaculture operations can be enhanced through the integration of renewable energy sources such as solar power, wind energy, and biofuels. By adopting these clean energy alternatives, the sector can reduce its carbon footprint, lower operational and production costs, and promote a safer environmental system. This guide aims to explore various renewable energy solutions that can be applied across the aquaculture value chain. Additionally, it highlights the benefits and future opportunities of integrating renewable energy technologies through sustainable practices.