The data centre industry is experiencing significant growth driven by the rise of big data, cloud computing, and Artificial Intelligence. As these hyperscale warehouses become more crucial in our modern infrastructure, there is a pressing need to improve energy efficiency and reduce environmental impact. Green hydrogen, produced using renewable sources, is emerging as a promising alternative to diesel generators for emergency power generation. INNIO Group's Jenbacher solutions offer rapid start-up times and reduced emissions, aligning with the industry's shift towards sustainability. Initiatives like the US Department of Energy’s Hydrogen Shot aim to make clean hydrogen more cost-effective, encouraging the adoption of this green energy source. NorthC, a data centre company in the Netherlands, stands out for its commitment to 100% hydrogen backup power supply, showcasing the industry's move towards carbon neutrality and emission reduction. With advancements in technology and decreasing production costs, green hydrogen is poised to play a significant role in transforming emergency power generation for data centres, providing a sustainable and efficient solution for the future.