# Palisades fuel loading + Holtec SMR-300 HI-TEST source note — 2026-08-31

## Bottom line

This was strong enough for a Managing Expectations Energy source card because it has a current official operating milestone and a separate SMR evidence gate. Holtec says Palisades began loading nuclear fuel into its reactor vessel on Aug. 30, 2026, after extensive restart work. Separately, Holtec says its SMR-300 margin-quantification HI-TEST facility at Idaho National Laboratory is underway, with key test components fabricated and installation preparations underway. NRC also posted an official notice that it released partial Holtec application material for an SMR construction permit at Palisades.

## Source trail saved

- `source_official_holtec_palisades_fuel_loading.md` — Holtec official release / WP API extract, Aug. 30, 2026.
- `source_official_holtec_smr300_hitest.md` — Holtec official HI-TEST release / WP API extract, Aug. 25, 2026.
- `source_trade_world_nuclear_news_hitest.md` — World Nuclear News trade report, Aug. 27, 2026.
- `source_trade_nucnet_palisades_fuel_loading.md` — NucNet report, Aug. 31, 2026; public page exposes summary only without subscriber login.
- `source_official_nrc_holtec_application_reader.md` — NRC official notice captured via reader fallback because direct terminal access returned 403; source page title and published time preserved.
- `google-news-rss-leads.txt` — checked leads and skipped market/commentary items.
- `source_urls.txt` — canonical/source URLs.

## Facts safely used

- Holtec says fuel loading began at Palisades on Aug. 30, 2026, placing the plant in Mode 6 under Technical Specifications on the road to commercial operation.
- Holtec says the Palisades core consists of 204 fuel assemblies, including new fuel and partially used fuel from the plant’s most recent operating cycles, and is designed to support 805 MWe output.
- Holtec says fuel loading follows more than two years of inspection, maintenance, refurbishment, testing and equipment upgrades.
- NucNet reported on Aug. 31 that Palisades is likely to become the first U.S. nuclear plant to restart after entering decommissioning, while its public page exposes only the summary unless logged in.
- Holtec says the SMR-300 HI-TEST facility at INL is a nominally one-third scale representation intended to probe design margins under steady-state and transient conditions.
- World Nuclear News reported the HI-TEST facility is supported by the U.S. DOE Advanced Reactor Demonstration Program and that system dedication is targeted for 2027 with testing thereafter, citing INL context.
- NRC’s official notice says it released partial Holtec application material for a small modular reactor construction permit at Palisades; this is application-release/review posture, not approval.

## Cautions / fairness

- Fuel loading at Palisades concerns the restart of an existing large reactor, not operation of Holtec’s SMR-300.
- HI-TEST is a margin-quantification/test facility. It is not a licensed commercial SMR, a reactor construction start, or delivered AI/data-center electricity.
- NRC release of application material is not a construction permit, operating license, final environmental approval or safety finding.
- Holtec is the main primary source for both operational and SMR test-facility claims; trade reporting helps frame but does not replace regulator approvals.
- Not investment advice: nuclear restart, SMR, uranium/fuel-chain and firm-power narratives can affect public-company sentiment, but this source card is infrastructure literacy, not a recommendation to buy, sell or hold any security.