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LUMEN — Power what matters

Explore how to power a community through a 72-hour blackout

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LUMEN is an interactive energy resilience lab. Plan 72 hours without outside electricity or fuel, test 16 synthetic weather scenarios, and compare solar, wind, batteries and backup within a budget. See how decisions affect hospitals, water, shelters and homes. Built with GPT-6 Astra in ChatGPT Work, which handled the demo from implementation to deployment. Free to try, with no sign-in. Educational simulation with illustrative data.

PH · launched Sep 18, 2026 · 1 upvote (top 69%) · 0 views

Niche: physics and engineering simulation software · 104 launches, 8 in the last 7 days ▲ +14% · Explore this niche →

Category and tags

  • Energy & climate
  • Vertical SaaS
  • B2B
  • Not AI
  • Commercial product
  • Education
  • Climate Tech
  • Data Visualization
  • OpenAI Day

Visit website ↗ Source listing ↗

Could you build this?

Yes As noted on the site, it is a self-contained in-browser numerical simulation built using client-side formulas and interactive UI charts.

Competitors

Other products that read as similar to this one : 79 launches clear the similarity bar, closest 8 shown.

Attention rank: #61 of 80 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 282 days after the earliest competitor.

The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.