Rondo Energy
Energy & Utilities · Solar Energy
$25.1Mlatest round · Venture round · Jan 2022 · 4 yr ago
2backers · Aramco Ventures, Energy Impact Partners
37team · US Form 5500 (plan participants) · Dec 2024
2020founded
Overview
The Rondo Heat Battery converts intermittent wind and solar power into a simple, safe, practical, efficient, and affordable supply of continuous industrial heat and power.
Funding and backers
Total raised
$25.1M
1 round on record
Latest round
$25.1M
Venture round · Jan 2022 · 4 yr ago
Team
37
US Form 5500 (plan participants) · Dec 2024
Backers
2
Aramco Ventures, Energy Impact Partners
The money's age
Long since its last round
58 months since the last round · not hiring
Momentum
0/100
no fresh signals
Last sign of life
1 mo ago
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Tractionpublic signals, read monthly
Web presence
top 0.48%
of 133.2M domains by links, Common Crawl
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Venture round | Jan 2022 | $25.1M | — | SEC Form D |
Registers and programsofficial lists and records that name the company
| Legal entity | Rondo Energy, Inc. | SEC Form D |
Founders and leadersfrom filings, registers and the company's site
Peter von BehrensExecutive Officer, DirectorSEC Form D
John ODonnellExecutive Officer, DirectorSEC Form D
Lily GuseExecutive OfficerSEC Form D
Backed byfrom the funds' portfolios and accelerator catalogs
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Visa sponsorship
4 ▼ 33%
H-1B filings in 12 months
$173k
Median offered salary
0
Open roles in United States
Who they sponsor
Mechanical engineers
1
Construction managers
1
Software quality assurance analysts and testers
1
In the register as Rondo Energy, Inc., Alameda, CA
Other sponsors in the same field
Alert me
US Department of Labor · latest filing May 27, 2026 · Visa details by country
Financials
Total raised
$25.1M
Latest round
Venture - Series Unknown
Funding rounds
1
Funding rounds
| Round | Announced | Amount | |
|---|---|---|---|
| Venture - Series Unknown | 2022 | $25.1M | Details |
People

Peter von Behrens
Executive Officer, Director

John ODonnell
Executive Officer, Director

Lily Guse
Executive Officer

David Rogers
Director

Samuel Bursten
Director

Mark Hartney
Director
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove · How we handle this data
Connections
List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors

Aramco VenturesVia a fund

Energy Impact PartnersVia a fund
Click a company to open it. Dashed lines are likely connections. The second step of the network is part of the Pro plan.
Owner
Same company
Same group
Likely
News
Rondo Energy turns on first major thermal battery - at an oil field
Thermal energy storage systems, which turn electricity into heat that can be tapped for hours or days at a time, could help decarbonize the production of everything from cement to beer. But in the U.S., where the economics of replacing fossil fuels with e
Read more
Report
How the end of carbon capture could spark a new industrial revolution
The Trump administration is pulling back billions of dollars in industrial development money for carbon capture and storage projects. That may force industries to actually cut emissions instead.
Read more
Report
Simpelt, men effektivt: Varmelageret er dybest set en enorm brødrister og en masse mursten - Mandag Morgen
Det er afgørende for omstillingen til sol og vindenergi, at man kan lagre strømmen. GreenLab i Skive har valgt en ganske enkel løsning.
Read more
Report
Startup unveils impressive heat batteries made from bricks - and they could revolutionize factories around the world
One company's invention, zero-emissions heat batteries made from bricks and iron wire, could slash industrial carbon pollution.
Read more
Report
Why thermal batteries could replace lithium-ion batteries for energy storage
Thermal batteries store renewable energy as heat, offering a cost-effective way for industries like steel and cement to reduce carbon dioxide emissions.
Read more
Report
EU and Bill Gates fund back superhot brick batteries to help green industry
Three heat battery facilities will help decarbonise food, clean fuel and chemical production across Europe by storing excess wind and solar power for when it's needed
Read more
Report
EU and Bill Gates fund back superhot brick batteries to help green industry
Three heat battery facilities will help decarbonise food, clean fuel and chemical production across Europe by storing excess wind and solar power for when it's needed
Read more
Report
H&M Group Backs Heat Batteries to Cut Clothing's Carbon Footprint
H&M Group's first decarbonization tech investment is in Rondo Energy's heat batteries, which can cut clothing's carbon footprint by nearly two-thirds.
Read more
Report
Aramco, Rondo Energy Studying GW-Scale Thermal Storage, Hydrogen, Carbon Capture Deployment
A major global energy and chemicals company has entered into a memorandum of understanding (MoU) with a provider of lower-carbon industrial heat and
Read more
Report
Show more news
Offices
Where the company hires and what each office is for
Cities
1
Hiring now
0
Countries
1
Oakland
United States
HQ
50-200 est. staff







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