From data center spas to servers in space: How the energy crunch is reshaping cloud computing

The rapid evolution of artificial intelligence is prompting a critical reevaluation of power-intensive servers that support this technological surge. Data centers, which are essential to the infrastructure of the internet, consume vast amounts of energy and water. They often face criticism for being unsightly and burdensome to local communities. With the increasing demands of AI workloads, the strain on energy resources is expected to escalate. Simone Larsson, Lenovo's head of enterprise AI, warns of an impending 'tipping point' where current data center architectures may no longer be viable. In response to a potential crisis in digital infrastructure, major tech companies and infrastructure developers are seeking innovative, eco-friendly solutions. A recent study, "Data Center of the Future," conducted by Lenovo and Opinium, reveals that while most IT decision makers prioritize partnerships with energy-efficient technology providers, only 46% believe their existing data center designs meet sustainability criteria. To tackle these challenges, Lenovo has engaged architects from Mamou-Mani and engineers from AKT II to create designs that harmonize better with the environment. This vision includes placing data centers underground in abandoned tunnels or bunkers, as well as elevating them to harness continuous solar energy. New concepts like 'data villages' propose stacking servers modularly in urban areas, enabling the transfer of excess heat to power local facilities such as schools and homes. Another innovative idea is the creation of data center spas, where surplus heat would be utilized in wellness environments, ultimately contributing to cooling systems for the data centers themselves. However, these progressive designs may not see realization until at least 2055, according to Lenovo, which recognizes that extensive regulatory shifts will be necessary for implementation. The complexity of these concepts, alongside legal and scalability issues, poses significant hurdles. Adoption rates are expected to differ by region; the U.S. is likely to embrace large, high-density campuses due to demand and available land, whereas Europe faces stricter regulations and a constrained energy grid. Interestingly, novel data center architectures are not a new phenomenon. Microsoft previously launched a submarine-like data center to leverage seawater cooling and renewable energy. Similarly, innovative heat redistribution has been successfully employed, such as using excess heat from an Equinix facility to warm Olympic swimming pools in Paris. The competition in orbital data centers is heating up, with initiatives like Google's Suncatcher, Alibaba's Three-Body Computing Constellation, and Nvidia's Starcloud making headlines. Smaller firms, including Edge Aerospace and Loft Orbital, are also venturing into this realm. Although these concepts may seem futuristic, they are gradually being explored by major tech players. The EU-funded ASCEND project is investigating the feasibility of deploying data centers in orbit using robotic technology, with plans for an initial demonstration by 2028. Recent advances include Starcloud's launch of a chip into space, boasting unprecedented GPU capabilities. Since 2020, approximately 70 million euros has been invested in space-based data center projects, as reported by the European Space Policy Institute (ESPI). Nevertheless, the substantial costs associated with launching equipment into space present a significant barrier for the near future. Challenges like radiation-hardened hardware, cooling in the vacuum of space, and high launch expenses complicate these ambitious projects. According to S&P Global’s Liu, reliable high-speed communication and space debris management are also pressing concerns. ESPI suggests that successful cost reductions in space launches are crucial for making these projects feasible. Lenovo's Larsson emphasizes that future data center innovations will focus on coexistence and 'symbiosis.' This includes utilizing waste heat for community benefit. Architect James Cheung mentions that enhancing the aesthetic appeal of data centers is crucial to changing public perception. Techniques like biomimicry are being explored to optimize heat dispersion efficiently. Experts agree that for these transformative ideas to materialize, regulatory frameworks must evolve, and new policies must be enacted to manage the burgeoning energy demands driven by AI and data centers. Liu notes that while data center operators can voluntarily adopt green technologies, financial justification will be essential. The energy grid must also be upgraded swiftly, as retrofitting existing data centers may not always be sufficient. Instead, innovative thinking is required to navigate regulatory constraints while serving both societal needs and corporate profitability.