Stellarator in United States; FusDIS 2026 snapshot.
ETOS is a fusion facility or design in United States, with listed operator/developer University of Wisconsin-Madison. In the user-supplied 2026 IAEA FusDIS table snapshot, it is classified as Stellarator with status Under Construction and public ownership.
Overview
FusDIS categorizes the project as an experimental device. The reported status describes the supplied snapshot, not an independently verified construction milestone or scientific achievement.
Source
IAEA Fusion Device Information System (FusDIS), user-supplied 2026 table snapshot. Any historical technical parameters are attributed to World Survey of Fusion Devices 2022.