Fundraising Fox

Rewbi

San Francisco, US · Founded 2024 · 3 employees · 3 known investors

Rewbi rebuilds the electrical grid by financing, optimizing, and maintaining clean energy sources, particularly battery systems for grid stabilization. The company serves the power industry to reduce emissions and increase grid reliability.

Advanced ManufacturingAI & Machine LearningCleantechEnergyEnergy StorageB2BRenewable EnergyClimateTechin /rewbi @rewbienergy ycombinator.com ↗

Founders & leadership· Y Combinator alumni (S24)

TM

Thomas Marge

Thomas Marge inFounder30 Under 30 2026

DM

Derek Modzelewski

Derek Modzelewski inCo-Founder and CTO30 Under 30 2026

Investors · 3

Aera VCSingapore · $25K – $5M

Olive Tree CapitalBoston

Y CombinatorSan Francisco · $500K

In the news

Rewbi Raises $4M Seed Round to Revolutionize AI-Driven Grid-Connected Battery Storage Optimizationleadsontrees.com · 2025
Rewbi Closes $4m Seed Roundrewbi.com · 2025
Rewbi - Using AI to optimize grid-connected battery storageycombinator.com · 2024