Facility

Rare Element Resources Upton Demonstration Plant

Rare earth processing and separation demonstration plant in Upton, Wyoming, developed by Rare Element Resources with General Atomics under a U.S. Department of Energy award selected in January 2021. The plant processes stockpiled high-grade ore from the Bear Lodge Project into separated NdPr oxide; balance-of-plant systems and initial operations were commissioned by June 2026, with full end-to-end operations expected in late summer 2026.

Facts on this page last re-verified Aug 11, 2026 — the oldest verification date among its current claims. How we verify.

Location: Upton, Wyoming, United States

Separation

Rare earth processing and separation demonstration line

Commissioned

Demonstration-scale processing and separation of stockpiled Bear Lodge high-grade ore to high-purity separated NdPr oxide using Rare Element Resources' proprietary technology, developed with General Atomics under a DOE-supported project

Material flow

Rare Earth Ore → NdPr Oxide

Capacity

No capacity claim. Absence of a figure means no source publishes one.

Qualification

No qualification claim. Status does not imply qualified output.

Sources

Rare Element Resources Ltd. (via SEC EDGAR) · published Jan 21, 2021 · retrieved Aug 11, 2026 · archive unavailable: No Wayback snapshot found via redirect and follow probes on the 2026-08-12 backfill pass; capture remains queued
Rare Element Resources Ltd. · published Dec 21, 2023 · retrieved Aug 11, 2026 · archive
Rare Element Resources Ltd. · published Nov 5, 2025 · retrieved Aug 11, 2026 · archive
Rare Element Resources Ltd. · published Jun 9, 2026 · retrieved Aug 11, 2026 · archive unavailable: No Wayback snapshot found via redirect and follow probes on the 2026-08-12 backfill pass; capture remains queued