Top 5 Renewable Energy Angel Investors in Asia in September 2025

Last updated: Sep 2025 A list of 5 angel investors that invest in Renewable energy startups based in Asia. We rank investors based on the number of investments they made in Renewable energy companies from Asia. We update this investor list every month.

Top 5 Renewable Energy Angel Investors in Asia in September 2025

Investor	Renewable Energy Asia investments
Michael Diekmann	1
Steve Melhuish	1
T. Chen Fong	1
Liu Xiaosong	1
Cheng Tao	1

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Investor list

Michael Diekmann is Supervisory Board Member at Siemens.

Investment focus

mHealth, CleanTech, Smart Home
Series A, Series C
China, United Kingdom

Portfolio highlights

BERGLUF — BERGLUF develops and sells air purification system products.
Huma — Longer, fuller lives

Steve Melhuish is the Founder of Rumah, Co-Founder and Board Director at PropertyGuru Group, Founder and CEO at Planet Rise, Founding Partner at Wavemaker Impact, and an Advisor and Investor at Eco-Business and Ampd Energy. He attended the University of Plymouth and the University of Reading.

Investment focus

Real Estate, Internet, Software
Seed, Pre-Seed, Series A
Singapore, India, Philippines

Portfolio highlights

TablePointer — TablePointer is the A.I. and intelligent energy solution for small & medium commercial facilities to optimise energy efficiency, manage assets, upgrade profitability, and unlock sustainability gains right away.
Circular — We are making subscriptions the best way to experience tech. Circular aims to accelerate the circular economy and maximise the useful lives of each tech device to its fullest potential.
Lhoopa — Making homeownership achievable for every Filipino family.

Dr. Fong is a Professor Emeritus at the Faculty of Medicine, University of Calgary. He was formerly the Head of the Department of Radiology at the University of Calgary and the Calgary Health Region. Dr. Fong is active in funding and nurturing start-up companies. Over the past two decades, he funded over 50 companies in diverse technology sectors,with an emphasis in medical devices. Dr. Fong is the co-founder and board member of Calgary Scientific Inc. and is also on the board of Clarius Mobile Health, Cohesic Inc. and Innovere Medical. In addition to seed investing, Dr. Fong is active in the Calgary community sitting on six charitable boards and foundations.In 2015, Dr. Fong joined the Creative Destruction Lab (CDL) at the University of Toronto business school as a mentor. CDL helps young entrepreneurs to shape or pivot their nascent ideas. He is widely credited with launching CDL at the Haskayne School of Business at the University of Calgary, bringing together seasoned business leaders from Alberta, Canada and the US to grow budding companies. Dr. Fong is on the Strategic Advisory Board of CDL and a Fellow of CDL in Toronto, Montreal, Calgary and Vancouver. In 2017, Dr. Fong was named to the Order of Canada for his contribution to medical technology innovation and philanthropy.