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# SiPearl announces its Rhea1 Euro-CPU has powered on for the first time
- URL: https://sovereigntymonitor.eu/news/2026-05-26-sipearl-rhea1-first-silicon/
- Published: 2026-05-26T12:00:00.000Z
- Updated: 2026-09-01T10:50:30.000Z
- Description: SiPearl announced its Rhea1 high performance computing chip, developed under the EU backed European Processor Initiative, powered on 13 May 2026 and entered lab validation; market availability is still targeted for late 2026.
- Author: Reidar Balstad
- Tags: Compute and infrastructure, #news, #verified

Verified [SiPearl press release, 26 May 2026](https://sipearl.com/portfolio/rha1-brought-to-life?ref=sovereigntymonitor.eu)

**What it does not test.** This does not establish that Rhea1 will pass validation on schedule or reach general availability by end of 2026.

**How this item counts.** Towards autonomy: it changes who made the parts. Binding 2 of 3 (agreed or funded), scale 2 of 3 (medium), Verified counts in full: weight +4 of 36 possible. EU-backed Rhea1 CPU powers on, enters lab validation; market release still pending late 2026. [European Sovereignty Index](https://sovereigntymonitor.eu/sovereignty-index/)