The data center industry is experiencing rapid growth and increased electricity demand, prompting stakeholders to explore alternative energy solutions to move away from conventional sources like nuclear, coal, and natural gas. The article highlights the importance of renewable energy sources in this transition, including land-based wind and solar farms, agrivoltaics, floating solar, geothermal energy, hydropower, wave and tidal energy, and clean hydrogen. These innovations aim to address cost, environmental, and sustainability concerns associated with traditional energy generation methods. Policy challenges in the offshore wind industry in the U.S. are discussed, emphasizing the importance of government support and community engagement. Energy efficiency strategies, like those implemented by Ener.co and global AI companies, are also crucial in reducing carbon emissions and cutting costs in data centers. Ongoing research in next-generation data center technologies indicates a promising future for energy efficiency and sustainability in the industry.