REChain – Blockchain based Green Energy Tokenization and Trading Platform

The shift to renewable energy needs clear, secure, and scalable systems for generating and trading power. This research presents a Green Energy Tokenization Platform that uses Blockchain, IoT, and an AI chatbot to support decentralized, transparent, and efficient energy management. The platform gathers solar energy from two types of residential sources: homes where the organization installs solar systems and homes with existing systems that sell excess energy. When total generation crosses a set limit, such as 1 MWh, it is tokenized and stored on a custom blockchain, enabling secure tracking and trading. The system includes a web interface with modules for producers, buyers, and administrators, allowing users to view generation data, handle payments, and manage transactions. All trades are permanently stored on the blockchain for full transparency. The built-in AI chatbot improves user interaction and provides instant support. Overall, this project shows how decentralized tokenization can promote sustainable, traceable, and fair green energy trading.