Executive Summary

• Table salt is replacing data centre generators; modular sodium-ion blocks are capable of backing up facilities for up to 8 hours continuously.
• Hyperscale facilities just can’t afford to wait for generators to crank to life, which is what the sodium-ion energy storage brings to the table.
• As these new types of energy storage solutions are deployed, they are laying down an entirely new, sustainable blueprint for the future of hyperscale computing.

You read that headline right. Table salt is replacing data centres’ dirty, mid-century secret: diesel generators. Tucked around the back, almost out of sight, these fossil-fueled monsters are the industry reserves for when there are failures. For all of the tech industry’s talk of clean energy and net-zero goals, pull back the curtain and you’ll find these soot-stained secrets on standby – an ugly, unavoidable necessity to ensure the facility meets strict Tier IV requirements.

The arrival of a new sodium-ion battery is about to turn energy storage on its head; the battery is built for large storage sites that can support the grid. It’s allowing hyperscalers to turn towards a cleaner horizon for energy storage, and with massive multi-year agreements already happening, the infrastructure is actually arriving on the scene.

Response time is king

Diesel generators have a longer response time to outages, too long for AI infrastructure, which needs a millisecond response time. Hyperscale facilities just can’t afford to wait for generators to crank to life, which is what the sodium-ion energy storage brings to the table. The TENER system has a 200-millisecond fault isolation loop, thus being the obvious choice for AI-ready facilities that need full power restoration within 150 milliseconds.

Sodium-ion chemistry naturally decouples its energy and power blocks; it easily supports continuous discharge windows across 2-, 4-, 6-, and 8-hour profiles, letting operators bridge the gap during extended grid outages. By turning table salt into a safety net, the data centre industry is proving that safeguarding the AI revolution doesn’t need to come at the expense of the planet.

This is the end of an era where digital processes need ugly, fossil-fueled compromises hidden behind pristine server racks – for the ones who can get their mitts on the sodium-ion energy storage, that is.

As these new types of energy storage solutions are deployed, they are laying down an entirely new, sustainable blueprint for the future of hyperscale computing.

Instead of waiting for the fragile grid to fail, operators are now actively participating in energy markets, absorbing excess renewable energy during midday solar peaks and feeding it back to local communities when the grid strains under pressure.