BrowseHow it works

Companies/Mainspring

Mainspring

Active

Local power generation for a zero-carbon future

mainspringenergy.com

Tags

ClimateClimate TechEnergyEnergy StorageSolar

Investors

khosla-venturesvc

khosla · 2025

The community for discovering problems worth solving. Find your next big idea.

Platform

Browse Problems
Submit Problem
Trending

For Founders

YC Requests for Startups
Accelerators
VCs
Fellowships
Residencies

For Researchers

Biology

Resources

Blog
About
Help Center

© 2026 Questd. All rights reserved.

Privacy·Terms·Cookies

Mainspring — Local power generation for a zero-carbon future | Questd