Nuclear Notes

Substacknewsletter · by Breakthrough Institute · English

Nuclear Notes is a weekly update that provides sharp analysis about the most important news in advanced nuclear energy. Nuclear Notes is written by Matthew L. Wald and Spencer Toohill.

Audience
20K subscribers
Shown publicly on Substack
Publishing
Every two weeks
6 posts indexed in the last 90 days
Last post
Oct 8, 2026
22 days ago
Likely audience
energy policy analysts
Inferred from post content

Momentum

#307 on Substack's Technology leaderboard

From daily snapshots of Substack's public figures · how rising is measured

Nuclear Notes is a Substack newsletter by Breakthrough Institute covering radiation safety, energy policy and Nuclear Regulatory Commission. NewsletterFIT indexed 6 posts from it in the last 90 days, most recently on Oct 8, 2026. Shown publicly on Substack: 20K subscribers. It ranks #307 on Substack's Technology leaderboard.

Topics

  • radiation safety
  • energy policy
  • Nuclear Regulatory Commission
  • advanced nuclear technology
  • nuclear regulation

Recent posts

  • Investing in…
  • The NRC…
  • A Different…
  • The Fuzzy…
  • Some State…
  • The Pentagon,…

Sponsors detected

No sponsored posts detected in the last 180 days of indexed posts.

Detected automatically from posts marked as sponsored. Detection can miss or misread placements.

See the full picture on Nuclear Notes

Subscriber momentum over time, every detected sponsor with the source post, companies and people it mentions, guests, and an alert when any of it changes.

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Compiled from public pages · refreshed Oct 13, 2026 · How NewsletterFIT collects and labels data