Data centers in today’s landscape - part 3

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February 19, 2024
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  • In the rapidly evolving world of data center technology, green initiatives and energy management have become crucial elements. As the digital age intensifies the demand for data processing and storage, data centers are increasingly focusing on sustainable practices to reduce their environmental impact. Let’s dive into the innovative strategies being employed in data centers to promote energy efficiency and environmental sustainability.

     

    Sustainable Design

    In 2023, sustainable design in data centers has become crucial due to their significant energy and water consumption. Data centers are estimated to consume 2-3% of global electricity, projected to increase to 4% by 2030, according to Data Centre Frontier. A single hyperscale facility can use enough electricity to power up to 37,000 homes and, using evaporative cooling, consume 3-5 million gallons of water daily, comparable to the usage of a city of 30,000-50,000 people​​.

    Trends in 2023 focus on high-efficiency power and cooling solutions, such as Dynamic On-Line Mode, water-free designs, and low-GWP refrigerants. Modular designs are also being adopted to reduce waste and align capacity with demand. The industry is exploring alternative energy sources, like hydrogen fuel cells, to move towards carbon-free operations​​.

    The shift to renewable energy sources has significantly impacted the industry. Despite a 440% increase in internet traffic and a 260% increase in data center workloads from 2015 to 2021, energy usage in data centers only rose by 10-60%. This indicates that the adoption of renewable energy has helped to decouple data center growth from a proportional increase in power usage and emissions​​.

    However, challenges remain, including the need for continued collaboration across the industry, governments, and standards organizations to further sustainability. Data center operators face external constraints such as water scarcity and climate change effects, impacting the design and location of new facilities.

    For instance, in areas like Arizona, competition for water resources has led to stricter regulations on water withdrawals for data centers​​. Additionally, extreme weather conditions like heatwaves pose increasing challenges to data center design and operation, a trend expected to intensify in the near future​​.

    Image of a person typing into a computer

    Waste reduction and recycling efforts in data centers are gaining momentum as part of the broader push towards sustainable operations. The Global e-Waste Monitor report revealed that the world generated 53.6 million metric tons of e-waste in 2019, but only 17.4% was properly collected and recycled. Notably, enterprise IT hardware plays a significant role in this waste generation. Data from SuperMicro's 2021 study indicates that while 28% of companies globally reuse or repurpose IT hardware internally, 26% still do not fully recycle their IT assets​​. Hardware failure rates remain low over extended periods, with less than 0.5% failure over a 10-15 year lifespan, suggesting potential for longer hardware use. The average hardware refresh cycle has increased from three years in 2015 to five years in 2020, indicating a shift towards longer use but also highlighting the potential for e-waste when hardware is refreshed​​. Large cloud providers, or hyperscalers, are increasingly focusing on the entire lifecycle of their servers. For instance, Microsoft's Circular Centers aim to increase the reuse of servers and components by up to 90% by 2025. Google also actively engages in hardware re-use and refurbishment, with 23% of its data center hardware components used in server upgrades in 2020 being refurbished inventory​​. Original Equipment Manufacturers (OEMs) are also transitioning to hardware-as-a-service (hardware-aaS) models. This shift has prompted companies like Dell, Lenovo, and HPE to focus on asset recovery and recycling services, aligning their business models with circular economy principles​​. Moreover, companies like NetApp offer recycling options for end-of-use equipment, supporting the circular economy thinking to a significant extent​​. Colocation providers, now also becoming service providers, are increasingly adopting circular practices. Equinix Services, for example, maintains and repurposes older generation equipment to encourage clients to utilize these devices, thus extending their service life and reducing waste​​. These developments demonstrate a growing commitment within the data center industry to embrace circular economy practices, reduce e-waste, and extend the life of IT hardware through innovative reuse and recycling strategies.


    Environmental Compliance On Data Centres

    In 2023, the regulatory landscape for data centers has increasingly focused on green initiatives and energy management, driven by global efforts to combat climate change and promote sustainability. Regulatory compliance has become a vital aspect of data center operations, with various international, national, and local regulations influencing how data centers are designed, operated, and managed.

    • Global and National Regulations: At the global level, agreements like the Paris Climate Accord have set broad targets for carbon emissions reduction, indirectly influencing data center operations. In the United States, regulations such as the Energy Policy Act and various EPA guidelines have a direct impact on energy consumption and waste management in data centers.
    • The European Union’s General Data Protection Regulation (GDPR) has also brought data centers under its purview, not just for data protection but also in terms of the environmental impact of storing and processing data.
    • Local Regulations and Compliance: Local regulations can vary significantly, with some regions mandating the use of renewable energy sources and others imposing strict limits on water usage, especially in areas prone to drought. These local regulations often require data centers to be more adaptive and innovative in their approach to sustainability.

     

    Standards and Certifications

    Industry standards and certifications play a crucial role in promoting sustainability in data centers. Standards like ISO 14001 (Environmental Management Systems), ISO 50001 (Energy Management), and the Leadership in Energy and Environmental Design (LEED) certification provide frameworks for data centers to implement sustainable practices. Adhering to these standards not only helps data centers reduce their environmental impact but also enhances their reputation and compliance with regulatory requirements.


    The Impact of Compliance

    Compliance with these regulations and standards necessitates significant investment in sustainable technologies and practices. However, this investment often results in long-term benefits such as reduced operational costs, improved efficiency, and a stronger corporate image. Furthermore, as investors and customers increasingly prioritize environmental sustainability, compliance becomes a competitive advantage in the market. Regulatory compliance and adherence to standards are driving data centers toward more sustainable practices. This shift is not only a response to regulatory demands but also a proactive step towards a more sustainable and environmentally responsible technology sector.

    SERVERS  |  DATA CENTER  |  CLOUD COMPUTING  |  MACHINE LEARNING  |  GREEN ENERGY  |  SUSTAINABILITY  |  DESIGN  |  GOVERNMENT  |  COMPLIANCE  |  ENVIRONMENT

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