Turning a solar power system into its own backup
0 comments
- Points49
- Comments19
–Rank now
#22Peak rank
2Days on list
–Score · 7d
Oct 30, 2026First seen
On Hacker News
- Points
- 49
- Comments
- 19
- Submitted by
- PaulHoule
- Posted
- Oct 29, 2026
- Site
- arstechnica.com
Story details from Hacker News ↗ · linked article on arstechnica.com.
Trending history
Turning a solar power system into its own backup was first seen on Hacker News · Front page on Oct 30, 2026. Since then it has appeared in 52 checks on 2 different days. Its best position was #22 of 30, reached on Oct 31, 09:22 UTC. It dropped off the list after Oct 31, 10:22 UTC.
Rank history
Position on Hacker News · Front page at every check (lower is better).
Last 14 days
Best rank per day (UTC).
26
22
Oct 26today
Metric history
Platform metric as reported by Hacker News.
From the discussion
A few top-level comments from Hacker News, shortened. Read the full thread on Hacker News.
We can break the 5500K temperature limit with passive elements and some clever engineering. https://en.wikipedia.org/wiki/Solar-pumped_laser https://ieeexplore.ieee.org/document/1553831
Maybe I missed it somewhere in the write up but in what way is the solar system its own backup? It seemed like the battery was just subbed for a combustion system using stored heat?
REAL TLDR: Just Slap some gas generators onto the bad design and it'll work this time(tm)
Featured in
Archived daily, weekly and monthly lists that include this entry.
Hacker News 2 days, best #22
Questions
Is Turning a solar power system into its own backup trending on Hacker News right now?
Not at the moment. It was last on the list on Oct 31, 10:22 UTC, after 2 days of trending.
What is the highest rank Turning a solar power system into its own backup reached?
#22 on Hacker News · Front page, on Oct 31, 09:22 UTC. Trendoday checks this list every 15 minutes.
How long has Turning a solar power system into its own backup been trending?
It was first seen on Oct 30, 2026 and has been on the list on 2 days (52 checks) since.
How much discussion did it get on Hacker News?
49 points and 19 comments; submitted by PaulHoule on Oct 29, 2026.