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Rondo Energy

Energy · Oakland, United States · Founded 2020

Ondo Energy makes industrial decarbonization possible via a Heat battery that captures low-cost renewable electricity and delivers continuous high-temperature heat, enabling customers to power their… MoreLess

Rondo Energy specializes in providing thermal batteries that store renewable energy heat, designed to decarbonize energy-intensive industrial processes. The company serves clients across various sectors including steel, cement, chemicals, pharmaceuticals, and low-carbon fuels. Operating in the renewable energy market, Rondo's business model focuses on selling modular and scalable heat storage units that can be easily integrated into existing industrial facilities. These units help industries reduce their carbon footprint by offering a cost-effective, continuous, and high-temperature energy supply, thereby eliminating the need for fossil fuels. Rondo makes money by selling these heat batteries and offering related services, such as installation and maintenance. The company recently secured $60 million from global giants and leading climate investors to accelerate industrial decarbonization.

Keywords: thermal batteries, renewable energy, industrial decarbonization, zero-carbon heat, modular units, scalable solutions, continuous energy supply, high-temperature energy, fossil fuel replacement, energy storage.

Company overview

Rondo Energy company information

The essential company record, classifications and operating signals in one place.

Status
Operational
Founded
2020
Headquarters
Oakland, United States
Employees
159
Open positions
15
Dealroom signal
54.9
sub industryEnergy Storagebusiness modelManufacturingsectorBatterysectorSustainable Development GoalssectorIndustrial TechnologysectorThermal Energy StoragesectorClimate TechsectorStationary Energy StoragesectorHard TechsectorIndustrial HeatsectorLong Duration Energy StoragesectorIndustrial ElectrificationsectorNIF defense security and resiliencesectorslush24

Valuation & funding

Rondo Energy funding history

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
GROWTH EQUITY VCOther financing Jun 2024 H&M
GROWTH EQUITY VCOther financing Aug 2023 $60M Rio Tinto · Aramco Ventures · Siam cement group · Titan Cement
GROWTH EQUITY VCOther financing Jul 2023 $0 Titan Cement
SERIES AOther financing Feb 2022 $22M $88M Breakthrough Energy Ventures · Energy Impact Partners
Showing 4 recorded eventsUnlock the complete deal history →

Growth signals

Rondo Energy website traffic

Latest recorded traffic for Rondo Energy is 11K monthly website visits, down 35.3% over the last three months. Rondo Energy's team grew 12% over the past year.

Latest monthly visits11K 3-month web change-35.3% 1-year team growth+12%
Monthly website visits37 observations · Jul 2023–Jul 2026
Hover or focus a point to see its exact monthly valueCompare with peers →

Comparisons

Rondo Energy compared with similar companies

Dealroom’s weighted taxonomy model identifies the closest operating peers. Company identity and context stay open; selected comparison metrics preview what is available in the platform.

CompanyHeadquartersStatusEmployeesTotal fundingValuation
MaltaBuilding a new type of electro-thermal energy storage systems that collects and stores energy from any source Cambridge, United States Operational 513 $86M $250M
Antora EnergyAntora builds and deploys American-made thermal batteries to power always-on industrial operations with low-cost renewable energy Sunnyvale, United States Operational
SaltX TechnologyDeveloped a worldwide patented ground-breaking nanotechnology that enables storing energy in salt and delivering high quality steam Stockholms kommun, Sweden Operational
Found EnergyFound Energy develops rechargeable aluminum fuel power systems to eliminate carbon emissions from heavy industrial applications Boston, United States Operational
Cache EnergyDeveloping energy storage solutions that can be safely installed anywhere and transported everywhere Champaign, United States Operational
Our Next EnergyPaving the way for an electric future, innovating energy storage solutions that will rapidly expand the world’s ability to access sustainable power Novi, United States Operational
SilbatLong-duration molten silicon batteries for renewable energy Madrid, Spain Acquired
ESSA leading provider of long-duration energy storage solutions ideally suited for C&I, utility, microgrid, and off-grid applications Wilsonville, United States Operational
Showing 8 of the closest matchesCompare every metric →

Talent graph

Rondo Energy's talent

Book a demo to see the people
Team profiled 17 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 3 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Investors

11 investors on Rondo Energy's cap table

Sourced from Dealroom's funding and investor records.

Series A 2 investors entered at this stage
Energy Impact Partners
Breakthrough Energy Ventures
Series B+ 9 investors entered at this stage
Titan Cement
Rio Tinto
Aramco Ventures
Siam cement group
Microsoft Climate Innovation Fund
Sdcl Energy Efficiency Income Trust
SABIC
John Doerr
H&M

Global footprint

Where Rondo Energy has talent and traffic

Workforce by country
13 countries with
team presence
🇺🇸 United States82.8%
🇪🇸 Spain5.5%
🇦🇺 Australia1.6%
🇨🇭 Switzerland1.6%
🇩🇪 Germany1.6%
Top 5 of 13 shown

In the news

Latest news about Rondo Energy

Recent press, funding announcements, and product moves mentioning Rondo Energy — open to read from the original sources.

See all news

Market sentiment

What the market is saying about Rondo Energy

An AI-synthesized read of the highest-engagement posts about Rondo Energy on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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