Renewell Energy

Oil Wells That End Well

San Francisco, United States · $5.0M raised

Employees
1–10
Business Model
B2B
Total Funding
$5.0M
Last Round
$5.0M GrantMay 2025
Rounds
4

About

Renewell Energy repurposes idle oil and gas wells into gravity-based energy storage systems using patented technology. By converting the oil industry's largest liability into a clean energy asset, Renewell creates the lowest-cost, highest GHG-abating energy storage network. The company is led by Stanford-educated engineers and has been featured on Bloomberg, ABC News, and Yahoo Finance.

Summary

Renewell Energy is an Energy company based in San Francisco, United States. It has raised $5.0M in total across 4 rounds, most recently a $5.0M Grant round in May 2025. Investors include HAX, SOSV and California Energy Commission.

Tech & App Stack

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Funding History

GrantCalifornia Energy Commission GrantMay 2025
$5.0M

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Investors

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