Startup Suggests Supercritical CO₂ Upgrade to Boost Data‑Center Turbine Efficiency

A fledgling company is promoting a combined cooling and power solution that can be attached to current gas turbines serving data‑center sites, offering improved 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. When the existing turbine hardware is retrofitted, the arrangement can harvest extra power from the same fuel, possibly reducing fuel use per megawatt hour.

Data centers, increasingly responsible for a larger portion of worldwide electricity consumption, have historically relied on natural‑gas‑fired turbines for backup and peak‑load electricity. While operators face mounting pressure to shrink their carbon footprints, many facilities do not possess the funds or space to swap entire plants for 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 work toward longer‑term decarbonization plans.

Analysts point out that supercritical CO₂ cycles have been investigated in aerospace and power‑generation studies for years, yet commercial uptake remains sparse. The startup argues its configuration eases the high‑pressure handling challenges that have traditionally constrained 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 multiple data‑center locations across the United States and Europe, with performance 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) regulations while postponing the higher expense of full‑scale renewable conversions.