Vietnam Climate Tech Funding Falls 52% to $49.86 Million in 2025

Vietnamese climate tech startups raised $49.86 million across 33 deals in 2025, a 52% drop from the $104.2 million spread over 60 deals in 2024, according to the Vietnam Climate Tech Ecosystem report co-compiled by New Energy Nexus Vietnam, SNV Vietnam, the World University Service of Canada (WUSC), and RMIT University Vietnam.

The headline number hides a simpler story. Researchers attributed the sharp decline to one transaction: an exceptional $70 million Series A raised by Techcoop in 2024. Strip that out, and 2025 funding fell a far milder 19%, to $27.86 million from $34.2 million. One round, in other words, made 2024 look twice as strong as it really was.

Where did the money go?

Energy transition won the year. The segment secured $26.71 million in 2025, up 72% year on year, and it was the only segment to attract money through all three channels tracked by the report: equity investment, debt financing and grants.

Policy momentum ran alongside the capital. Vietnam introduced 29 policies related to climate and innovation in 2025, the report found.

Investor appetite hasn't vanished, said Tran Phuong Thao, country director of New Energy Nexus Vietnam. Investors remained willing to provide capital to Vietnamese climate tech startups, she said, while founders continued to face strong demand for funding.

What's missing from the middle of the market?

The report flagged a scaling gap. No deals closed in the $350,000-to-$1 million range in 2025, compared with four in 2024. Startups that clear the incubation stage currently have no rungs on the ladder between early checks and larger rounds.

The mix of capital also shifted hard. Equity investment declined sharply, while debt financing surged from $3 million to $20 million. The report reads that trend as a signal: the sector needs more diverse financing pathways to move startups beyond incubation and make them eligible for larger investments.

Takeaway: the money didn't leave Vietnam's climate tech sector, but it changed shape — more debt, less equity, and nothing in the middle bracket.

Is talent the bigger bottleneck?

Access to capital isn't the only constraint. The survey found a shortage of skilled workers, and the numbers are blunt:

• 73% of surveyed companies ranked specialized technical and professional skills among their three most urgent recruitment needs.
• 50% identified those positions as the hardest to fill.

Lindsay Umalla, head of energy at SNV Vietnam, said capital was entering the sector faster than the workforce could adapt. To accelerate growth, startups need to recruit more experienced, multidisciplinary talent, she said.

She also recommended that the wider ecosystem strengthen links between training, recruitment and financing to build a core workforce capable of supporting the industry's expansion.

Takeaway: money is arriving quicker than people — and the skills gap may now bind growth more tightly than the funding gap.

The road ahead is a sequencing problem. With debt at $20 million, energy transition up 72%, and 29 new climate and innovation policies on the books, Vietnam's climate tech pipeline has fuel — what it lacks is the mid-market deals and multidisciplinary talent to convert it into scale.