Imagine a world where global AI data center demand surges by 165% in just a few years, where clean energy targets force massive deployment of energy storage systems. Can our existing power infrastructure withstand this unprecedented flood of energy demand? Or will we face the grim prospect of lights going out?

At this critical juncture in energy transition, a disruptive technology is quietly emerging: the long-duration energy storage solutions from ESS Tech, Inc. Unlike conventional lithium batteries, ESS focuses on a more promising and sustainable technology—iron flow batteries. This represents not just an innovation in energy storage, but an anchor solution for future energy challenges.

The rapid advancement of artificial intelligence is consuming electricity at an unprecedented rate. AI data centers, as the core carriers of AI computing power, show staggering growth in energy consumption. Projections indicate that by 2030, electricity demand from AI data centers alone will skyrocket by 165%. This means we need not just more power generation, but systems that can reliably deliver energy to handle the instantaneous and sustained massive loads from AI training and inference tasks.

Traditional power systems struggle with this explosive growth in demand. When electricity needs far exceed supply, grid stability becomes severely threatened. ESS's iron flow battery technology was specifically designed to address this core challenge—capturing excess energy during periods of grid abundance and delivering uninterrupted power when needed, such as during AI data center peak demand or renewable energy generation troughs.

The grand vision of global energy transition cannot be realized without robust energy storage technology. To achieve clean energy goals, the world's power systems will need to deploy up to 8 terawatts of long-duration energy storage capacity by 2040. This isn't just a number—it represents a fundamental paradigm shift from fossil fuel-dependent instant generation to a renewable energy-dominated model supported by powerful storage systems.

The key difference between long-duration storage and short-term solutions like lithium batteries lies in duration. Lithium batteries excel at rapid charging and discharging within hours, suitable for handling short-term grid fluctuations or peak loads. Long-duration storage provides power for extended periods—hours or even days—which proves crucial for integrating intermittent solar and wind power. When sunlight fades and winds calm, long-duration systems take over to ensure grid stability and smooth energy transitions.

ESS's iron flow batteries stand out in this long-duration storage revolution. Through its innovative "Energy Base" product line, ESS has broken through traditional flow battery electrolyte volume limitations, achieving an impressive 22-hour storage capacity. This means ESS solutions can transform intermittent renewables into reliable baseload power to meet growing energy demands, particularly in AI data centers and our increasingly electrified society.

• Unlimited cycle life with zero capacity degradation: Unlike lithium batteries that gradually lose capacity with each charge cycle, ESS's iron flow batteries maintain nearly constant capacity throughout their 25-year design life while supporting unlimited charge-discharge cycles. This ensures stable, long-term energy service with significantly reduced long-term operational costs and replacement frequency.
• Sustainable materials: ESS batteries use abundantly available, low-cost materials—iron, salt, and water—with minimal environmental impact, contrasting sharply with technologies dependent on scarce or conflict-zone resources.
• Safety and environmental friendliness: Containing no flammable organic electrolytes, these batteries offer inherent safety advantages, making them ideal for high-security environments like data centers and residential communities.
• Scalability and flexibility: ESS solutions can be customized and expanded for diverse applications, from backup power for individual data centers to utility-scale energy storage services.
• Rapid deployment: With U.S.-based manufacturing, ESS products can be delivered and installed in months rather than years—a crucial advantage in our rapidly evolving energy landscape.

• Data centers: Providing stable, reliable 24/7 power for AI data centers handling massive computing demands.
• Green baseload power: Storing renewables to deliver consistent baseload electricity, compensating for solar and wind intermittency.
• Utility-scale storage: Enhancing grid resilience by managing demand fluctuations and reducing dependence on traditional power plants.
• Industrial microgrids: Ensuring continuous, independent power for manufacturing facilities.
• Transportation electrification: Supporting EV charging infrastructure during grid strain or renewable generation shortages.

ESS continues to invest heavily in research and development to maintain its industry leadership. The company's "Energy Base" product line exemplifies this commitment, optimizing electrolyte management to achieve record-breaking 22-hour storage capacity. These innovations extend beyond battery technology to encompass comprehensive energy system solutions, helping clients maximize renewable energy utilization while reducing costs and improving resilience.

As AI transforms global industries and clean energy targets grow more urgent, long-duration storage technology has never been more vital. Through its innovative iron flow batteries, ESS addresses current energy challenges while charting a sustainable course for our energy future—delivering not just power, but energy security, reliability, and sustainability.