# Frank Phuan

> Frank Phuan is a seed investor at EDP Renewables APAC backing Water and Sustainability. See 3 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [EDP Renewables APAC](https://shizune.co/investors/profile/sunseap)
- Total investments: 3
- Last investment: Nov 2024
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/frank-phuan-1a545a122

Frank Phuan is a seed investor at EDP Renewables APAC focused on Water and Sustainability. Frank Phuan is the Co-Founder, CEO, and Executive Director of Sunseap.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $3.8M–$3.8M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Water | 1 | 33% |
| Sustainability | 1 | 33% |
| Network Security | 1 | 33% |
| Renewable Energy | 1 | 33% |
| Energy Management | 1 | 33% |

7 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 1 | 33% |
| Series C | 1 | 33% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| MediSun Energy | MediSun Energy is a technology-driven company dedicated to providing clean and affordable energy. The company's WEGEN Reverse Electrodialysis (RED) technology transforms saltwater into electricity, unlocking the ocean's immense potential for renewable energy. Dedicated to achieving a net-carbon-neutral future, the goal is to build a worldpowered entirely by clean, sustainable energy through the seamless integration of commercial viability and eco-friendly solutions. | $3.8M | Seed | Nov 25, 2024 |  |
| MediSun Energy | MediSun Energy is a technology-driven company dedicated to providing clean and affordable energy. The company's WEGEN Reverse Electrodialysis (RED) technology transforms saltwater into electricity, unlocking the ocean's immense potential for renewable energy. Dedicated to achieving a net-carbon-neutral future, the goal is to build a worldpowered entirely by clean, sustainable energy through the seamless integration of commercial viability and eco-friendly solutions. | $3.8M | Seed | Nov 25, 2024 |  |
| UnaBiz | UnaBiz is the enabler of massive IoT in Asia. The company deployed the first IoT-dedicated network in Singapore and specialises in providing affordable, well-designed solutions that are energy efficient, highly scalable and simple to deploy in Taiwan. Today, it provides a diversified range of expertise from product design to manufacturing, andleverages on a global IoT ecosystem of System Integrators, solution providers and module makers to power business growth. In 2018, UnaBiz raised over US10 Million in its series A funding round, and was since accredited with the ISO 9001:2015 certification for Design of IoT Product and Provider of Network Connectivity Solutions. The company is presently selling in 28 countries and focusing on key verticals such as facilities management, asset management, asset tracking and smart parking. | $25M | Series C | Aug 08, 2024 |  |

3 of 3 investments shown.

## Co-investors
- [Ciri Ventures](https://shizune.co/investors/profile/ciri-ventures) — VC Fund, 4 deals together
- [MOAJ Holding](https://shizune.co/investors/profile/moaj-holding) — VC Fund, 2 deals together
- [TNB Aura](https://shizune.co/investors/profile/tnb-ventures-pte-ltd) — VC Fund, 2 deals together
- [Vynn Capital](https://shizune.co/investors/profile/vynn-capital) — VC Fund, 2 deals together
- [KDDI Open Innovation Fund](https://shizune.co/investors/profile/kddi-open-innovation-fund) — VC Fund, 1 deal together
- [Kyocera Communication System](https://shizune.co/investors/profile/kyocera-communication-system) — VC Fund, 1 deal together

## About EDP Renewables APAC

VC Fund · Singapore, Singapore

Sunseap is a Singaporean provider of solar and clean energy. Incorporated in 2011, Sunseap’s proven solar solutions to diversify the energy portfolio through cost competitive models and strategies. Sunseap provides a one-stop service to clean energy solution, which encompasses elements such as funding, development, designing, engineering andconstruction. Sunseap's unique positioning as both a licensed Electricity Wholesaler and Electricity Retailer under the Energy Market Authority (EMA); has enabled it to develop its 2 business models, solar leasing and clean electricity supply.

5 contacts available at EDP Renewables APAC.

| Name | Title | Profile |
| --- | --- | --- |
| Frank Phuan | Co-Founder, CEO, and Executive Director | https://shizune.co/investors/profile/frank-phuan |
| Brandon Lee | Senior Business Development Manager | https://shizune.co/investors/profile/brandon-lee-7 |
| Ee Lan Kok | Chief, People & Organisation | https://shizune.co/investors/profile/ee-lan-kok |
| Franck Braudel | Project Director | https://shizune.co/investors/profile/franck-braudel |
| Keith Lim | Chief Financial Officer | https://shizune.co/investors/profile/keith-lim-2 |

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## FAQ

### What does Frank Phuan invest in?

Frank Phuan invests primarily in Water, Sustainability and Network Security startups, most often at Seed and Series C stage. Most of the 3 investments tracked by Shizune back companies in Singapore. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Frank Phuan's check size?

Frank Phuan typically joins rounds of $3.8M–$3.8M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Frank Phuan participates in.

### When did Frank Phuan last invest?

The most recent investment recorded for Frank Phuan closed in Nov 2024. Shizune tracks 3 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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