Immediate Power Solutions (IPS): A Vital Component in Modern Data Centers

By Tod Higinbotham, COO, ZincFive.

  • Thursday, 28th November 2024 Posted 6 days ago in by Phil Alsop

The rapid evolution of technology—spanning online services, consumer electronics, IoT, and AI—has amplified our reliance on digital infrastructure and emphasized the importance of uninterrupted data center operations. This technological surge is driving advancements in electrical infrastructure, particularly in energy storage, due to evolving needs. Data center operators face the challenge of addressing these increasing demands while also managing workplace safety, rising property expenses, and sustainability issues. Consequently, there is a noticeable shift towards backup power solutions that prioritize greater reliability, space efficiency, and environmental stewardship.

The growing pressure on data centers has brought Immediate Power Solutions (IPS) to the forefront as a crucial category of energy storage. IPS addresses the evolving digital infrastructure landscape by focusing on the immediate, high-rate power necessary for critical operations, distinguishing it from traditional Energy Storage Systems (ESS). Unlike ESS, which focuses on long-duration capacity, IPS is designed to deliver high-rate power instantly for short durations, emphasizing reliability and efficient space use.

When assessing mission-critical backup applications through the IPS framework, the suitability of different systems becomes clearer. For example, lead-acid batteries, which utilize one of the oldest battery technologies, are frequently viewed by many data center operators as a traditional and reliable choice for data center uninterruptible power supplies (UPS). However, given today's data center requirements for safety, reliability, sustainability, and space efficiency, more advanced battery technologies have now surpassed lead-acid in their suitability for the sector.

One alternative considered by data center operators for their UPS systems is lithium-ion, an ESS battery. These batteries’ energy density—characterized by their ability to release moderate amounts of energy over extended periods—makes them well-suited for applications such as electric vehicles and consumer electronics. However, data centers need a different capability: the ability to deliver rapid, high-power bursts to keep operations running during power outages until backup generators activate. While lithium-ion batteries are effective for sustained energy output, they may not meet the immediate high-power demands required for data centers. In contrast, IPS solutions are specifically designed to provide the rapid, high-power energy needed during these critical moments and do not have the same space and safety challenges associated with lithium-ion batteries.

Recent advancements in battery technology have introduced solutions specifically tailored for IPS needs. Notably, nickel-zinc batteries represent a breakthrough innovation in this field. Their enhanced power density allows them to deliver substantial bursts of energy rapidly while occupying less than half the space of conventional lead-acid systems. Their compactness and efficiency are particularly advantageous for data centers, as they align with the core objectives of IPS by optimizing space usage, supporting uninterrupted data center operations, and improving overall operational effectiveness and reliability.

IPS batteries can also contribute to UPS systems' reliability and safety. Unlike other batteries that may experience cell failures, batteries such as nickel-zinc maintain conductivity even if some cells are depleted, ensuring continuous operation. They also avoid thermal runaway and tolerate higher temperatures better than other types, adding an extra layer of safety and stability crucial for maintaining uninterrupted data center operations. 

As environmental concerns increasingly influence technological development, IPS is advancing to meet new sustainability standards as well. Nickel-zinc batteries, for example, are designed with sustainability in mind, offering lower lifecycle emissions and reduced resource consumption. They require fewer resources during production and utilize abundant, less environmentally taxing materials. 

By adopting IPS for UPS, data centers not only achieve their sustainability goals but also benefit from high-performance energy storage solutions. This alignment with environmental objectives, combined with the efficient power delivery and space optimization inherent to IPS technologies, underscores the critical role of innovative solutions in advancing both operational effectiveness and ecological responsibility in modern data centers.

Finally, transitioning to advanced IPS technologies is becoming increasingly seamless thanks to recent innovations in battery technology. These advancements have simplified the integration of new solutions into existing systems, allowing data centers to upgrade to more efficient and sustainable IPS options with minimal disruption. This streamlined process not only enhances operational efficiency but also ensures that data centers can quickly adapt to the evolving demands of modern infrastructure, positioning them for long-term success.

As the global economy relies more on data centers, the need for reliable UPS systems to ensure uninterrupted operations has become increasingly critical. This growing demand for dependable, space-efficient, and eco-friendly backup power solutions is driving the shift towards IPS. Their alignment with the challenges they’re solving, as well as the seamless integration into existing systems, facilitates a smoother transition to advanced battery solutions, ensuring that data centers remain resilient and future-ready.