Blockchain is transforming the energy sector by enabling secure, transparent, and decentralized management of energy transactions. From peer-to-peer energy trading and efficient grid management to tracking renewable energy and carbon credits, blockchain is making energy systems more efficient, sustainable, and reliable. With the global market projected to surge from USD 2.11 billion in 2024 to nearly USD 265.58 billion by 2033, this technology is reshaping how producers, consumers, and grid operators interact, fostering a cleaner and more inclusive energy ecosystem.