Alternō closes Series A funding round to expand its sand battery technology. The financing was led by UntroD Capital Asia with support from Antler and ADB Ventures.
Round Type
Series A
District 1ManufacturingEnergyRenewable EnergyInvestors
Description
Alternō, a Vietnamese startup providing thermal energy storage solutions, has closed a Series A funding round for an undisclosed amount. The funds will be used to expand its sand battery technology that decarbonises heat in various industrial applications. The financing was led by UntroD Capital Asia, with support from Antler and ADB Ventures. Founded in 2023, Alternō is based in Singapore with R&D and manufacturing in Vietnam.
Quick answer
Alternō raised an undisclosed amount in a Series A round, dated May 13, 2025. Investors: UntroD Capital Asia, Antler and ADB Ventures. Alternō is based in District 1, Southeast region of Vietnam, Vietnam.
- How much did Alternō raise?
- Alternō raised an undisclosed amount in a Series A round on May 13, 2025.
- Who invested in Alternō?
- UntroD Capital Asia, Antler and ADB Ventures are named as investors in this round.
- What does Alternō do?
- Alternō is a climate-tech startup that develops sand-based thermal battery systems for industrial and agricultural applications.
- Where is Alternō based and how big is it?
- Alternō is based in District 1, Southeast region of Vietnam, Vietnam.
- Who are the decision-makers at Alternō?
- Fundz holds 1 contact at Alternō. Names and contact details are shown to Fundz members.
Source: Fundz verified event record.
Who else raised in Energy and Renewable Energy around the same time
Companies in the same sectors as Alternō that raised within 45 days of this round, from Fundz verified event records.
- NovaSpark Energy raised an undisclosed amount on June 20, 2025.
- Voltfang raised $17M (Series B) on June 18, 2025.
- New Iridium raised $2.6M (Seed) on June 11, 2025.
- Active Membranes raised $913K (Seed) on June 5, 2025.
- Radiant raised $165M (Series C) on June 3, 2025.
- Zenergize raised $2M (Seed) on May 19, 2025.
Who to call at Alternō, and when
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- An alert the day Alternō raises, hires an executive or expands, scored against what you sell
- The decision-makers there, with verified emails
- Who you already know at Alternō, from your own LinkedIn network
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