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# Navantia's second S-80 Plus submarine clears first power-up milestone
- URL: https://sovereigntymonitor.eu/news/2025-03-21-navantia-s82-narciso-monturiol-power-up/
- Published: 2025-03-21T12:00:00.000Z
- Updated: 2026-10-24T12:01:44.000Z
- Description: Navantia's second S-80 Plus submarine, Narciso Monturiol, passed its first safety milestone, powering up its main and emergency electrical networks at Cartagena. It also cleared initial harbour acceptance tests, with commissioning targeted for summer 2026.
- Author: Reidar Balstad
- Tags: Defence and space, #news, #reported, #ai-drafted

Reported AI-drafted [navyleaders.com, 21 March 2025](https://navyleaders.com/news/second-s-80-spanish-navy-sub-passes-key-safety-test/?ref=sovereigntymonitor.eu)

**What it does not test.** It does not establish that the S-80 Plus programme's earlier cost overruns and delays have been resolved, or that commissioning will occur on schedule.

**How this item counts.** This item is dated before the index starts on 1 January 2026, so it does not count in the [European Sovereignty Index](https://sovereigntymonitor.eu/sovereignty-index/).

**How this item was made.** Drafted by an AI system (Claude (Anthropic)) from the source cited above and published under the editor’s responsibility without a person reading it first. [How the record is made](https://sovereigntymonitor.eu/method/#how-the-record-is-made)