Startup Suggests Supercritical CO₂ Upgrade to Enhance Data‑Center Power Plants

A fledgling company is marketing a combined cooling and power system that can be retrofitted onto current gas turbines serving data‑center sites, offering greater thermal efficiency while still emitting carbon.

Its method uses carbon dioxide circulated in a supercritical phase—exhibiting properties of both liquid and gas—to convey heat more efficiently than traditional steam cycles. By attaching the kit to existing turbine hardware, the device can harvest extra power from the same amount of fuel, which may reduce fuel use per megawatt‑hour.

Data centers, increasingly responsible for a larger slice of worldwide electricity consumption, have long relied on natural‑gas‑driven turbines for backup and peak‑load electricity. While operators face mounting pressure to shrink their carbon footprints, many facilities cannot afford or accommodate a full replacement with renewable generators. The startup’s modular attachment is built to occupy the same space as existing gear, providing a middle‑ground option for companies that want modest improvements while they chart longer‑term decarbonisation plans.

Analysts point out that supercritical CO₂ cycles have been investigated in aerospace and power‑generation studies for decades, yet market uptake remains scarce. The startup asserts that its configuration eases the high‑pressure management challenges that have previously restricted wider deployment, rendering it suitable for the compact, high‑availability settings of server farms.

Although the system can raise turbine efficiency by a measurable amount, specialists warn that it does not eliminate the base emissions from natural‑gas combustion. The CO₂ circulating in the loop is reused and only yields a net greenhouse‑gas cut if combined with carbon‑capture or renewable fuels. Consequently, the offering is marketed as an interim step rather than a definitive fix for the tech industry’s climate hurdles.

Looking forward, the firm intends to run pilot projects at a handful of data‑center locations across the United States and Europe, with results expected later this year. Should the trials validate the anticipated efficiency improvements, the approach could draw attention from operators aiming to satisfy tightening energy‑use‑effectiveness (EUE) criteria while postponing the expense of comprehensive renewable overhauls.