Top 5 Renewable Energy Angel Investors in Singapore (September 2026)

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

Industry: Real Estate, Internet, Software
Stage:Seed, Series A, Pre-Seed
Geography: Singapore, India, Philippines

Investor stats

Total investments: 21
Round size: Seed $1.2M–$7.6M; Pre-Seed $525k–$1.6M; Series A $2.1M–$5M
Lead/follow: 24% lead, 76% follow

Portfolio highlights

Neocrete — Neocrete is a concrete manufacturing company that is involved in the manufacture of resilient and carbon-neutral concrete.
Agros — Agros exist to make farming economically viable and environmentally sustainable. The company provides farmers with carbon-reducing and income-increasing products and services, from input to market. Their unique ecosystem approach aggregates different low-carbon technologies, bundled with affordable finance, insurance, advisory and market access.Agros’ mission is to double the income of millions of farmers while reducing 100 megatons of annual carbon emissions.
Lhoopa — Making homeownership achievable for every Filipino family.

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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.

Investment focus

Industry: Software, Artificial Intelligence, Biotechnology
Stage:Seed, Angel, Pre-Seed
Geography: Canada, Singapore, United States

Investor stats

Total investments: 12
Round size: Seed $254k–$10M
Lead/follow: 0% lead, 100% follow

Portfolio highlights

Oncoustics AI — Oncoustics is creating and deploying advanced AI solutions for low cost, non-invasive surveillance, diagnostics, and treatment monitoring of diseases with high unmet clinical need. Unlike other players in the space, Oncoustics does not do image recognition. Instead, Oncoustics applies AI to raw ultrasound signals from readily available handheldultrasound devices to rapidly differentiate healthy versus diseased tissues. There's a wealth of information in these raw signals and this approach reveals novel biomarkers that can be aligned with existing standards and categorization systems. Initially targeting liver disease, a $30B global diagnostic market, Oncoustics has filed a Breakthrough Device Designation Request with the FDA for the OnX that detects liver fibrosis and the 510K is underway. Several follow-on liver products are in development. Oncoustics also has clinical data on other organ indications including prostate, kidney, breast and thyroid diseases and cancers.
SunGreenH2 — SunGreenH2 creates the world's highest performance advanced materials for electrolysis i.e. green hydrogen production. Achieve high efficiency, low cost green H2 production on site for your application in the Power-to-X, Hydrogen refuelling, Energy Storage and Buildings sectors. Revolutionising zero emissions and improving profitability.
EZee Assist — EZee Assist provides instant answers to franchisee operational questions. Continue using preferred channels of support and start receiving instant answers.

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Ramez Naam is Chief Futurist and Partner at Prime Movers Lab.

Investment focus

Industry: Renewable Energy, Energy, Automotive
Stage:Seed, Series B, Pre-Seed
Geography: United States, Singapore

Investor stats

Total investments: 9
Round size: Seed $860k–$1.4M; Series B $35M–$40M
Lead/follow: 0% lead, 100% follow

Portfolio highlights

Xeal — Xeal Energy provides the world's most advanced electric vehicle (EV) charging stations, designed especially for commercial, business & apartment use.
WeaveGrid — WeaveGrid operates with utilities and owners of electric vehicles (EV) to allow and speed up transportation electrification. Using machine learning, optimization, and predictive analytics, the company's software solution solves several EV-grid integration challenges for utilities in a systems-oriented manner; helps integrate renewable energyresources on the grid; and saves utility customers' money on their bills.
Distributed Energy Pte Ltd — We design, finance, build and manage solar and battery systems for businesses across India and Africa. You only pay us when you save.

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Key lead of international businesses for 18+ years (eBay, PayPal, Mastercard and Blizzard) in eCommerce, Sustainability, Fintech and Gaming by innovating and driving change through Business Strategy, Product Management and UX, Business Operations, Data Management, Retention and Acquisition Marketing management, following five years studying withtop business schools.12+ years of start-up mentoring and investing with a handful of successful exits. Current portfolio value is 3X or 26% IRR.Also built and managed my own start-ups from scratch and/or in a Corporate environment (Joint Venture constructs).Based in Singapore and worked all over the world (France, UK, US, Korea) but focusing on South-East Asia right now.

Investment focus

Industry: Solar, E-Commerce, B2B
Stage:Seed, Pre-Seed
Geography: Singapore, Australia

Investor stats

Total investments: 5
Round size: Seed $1.3M–$3.2M
Lead/follow: 0% lead, 100% follow

Portfolio highlights

Okra Solar — Okra Solar is an IoT technology solution that enables solar generating communities to share and utilize more energy. It is a plug-and-play smart grid technology that enables rapid electrification for last-mile communities. Using mobile payments, modular grid design, and remote monitoring, they provide utility companies with a low-cost, data-drivensolution to operate solar networks in hard to reach communities. They are on a mission to connect off-grid communities to the modern economy.Okra Solar was founded in 2016 and is headquartered in Sydney, Australia.
Pollen — Pollen is your liquidation operating system & AI co-pilot for aged, unsold, obsolete inventory. Avoid business waste and destruction by automating workstreams, unlocking the power of pricing analytics, and empowering teams to take action for more sustainable outcomes.
GetSolar — GetSolar (formerly Solar AI) is a reliable solar company in Singapore that makes it easy for property owners to install solar systems with zero upfront cost.

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