2G Energy AG has received a 275 MW order from Energy Vault Holdings Inc. (NYSE: NRGV) to supply power generation systems for AI and data center infrastructure in the United States, according to a press release from the companies.

The order covers containerized, plug-and-play power generation systems that will be integrated into Energy Vault's powered land and powered shell solutions, serving AI and data center customers including hyperscalers. Delivery is scheduled between the fourth quarter of 2027 and the third quarter of 2028.

The systems will be pre-assembled and tested at 2G Energy's manufacturing facility in Heek, Germany, before being shipped to the U.S. for on-site commissioning. They are designed to function as the dispatchable generation layer within Energy Vault's integrated power architecture, operating alongside battery energy storage and advanced controls.

The order also includes long-term service support covering the systems throughout their operational lifecycle.

"By integrating 2G's modular generation systems with Energy Vault's battery energy storage and VaultOS™ power plant controls, we can deliver a repeatable architecture that brings power online faster, responds in real time to dynamic AI workloads and can integrate grid power and renewables as they become available," said Marco Terruzzin, Chief Revenue Officer of Energy Vault.

Pablo Hofelich, CEO of 2G Energy AG, said the order reflects demand for standardized, rapidly deployable power generation in the data center market, and noted that long-term service support is a key component of the agreement.

To support projects of this scale, 2G Energy is expanding production capacity at its Heek facility. A new production hall became operational earlier this year, and a second production site is under development with a scheduled completion by the end of 2027.