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Sunnyfounder

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An Internet new technology company focusing on the new energy field

Taipei, TaiwanEnergy
Valuation $100–250M Last recorded · 2024
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Sunnyfounder and the history behind them.

About Sunnyfounder

Sunnyfounder, the brand name for GrinnoDot Inc., is a Taiwan-based energy company established in 2015 that has carved out a distinct position in the renewable energy sector. The company was co-founded by Hsiao-Ju (Edison) Feng, Chen Hui-ping, and Teng Wei-Lun, who brought together diverse expertise in business, social sciences, and information engineering. The concept originated from Chen Hui-ping's doctoral research on the societal aspects of solar power adoption in Taiwan, which identified a public desire to participate in green energy that was hindered by high financial and technical barriers. This academic insight, combined with Feng's background in technology and materials research and Teng's engineering skills, formed the foundation for the company's business model.

Sunnyfounder's primary business revolves around two core pillars: a "Citizen Power Plant" platform and a green electricity trading business. The initial and most recognized service is its crowdfunding platform, which allows individuals to invest in solar energy by purchasing shares of a solar power plant, sometimes as small as a single panel. This model democratizes renewable energy investment, enabling retail investors to receive a portion of the long-term revenue generated from selling electricity to the state-owned utility, Taiwan Power Company (Taipower), under a guaranteed 20-year contract. The company manages the entire lifecycle, from matching investors with rooftop owners, overseeing construction and maintenance, to handling the financial distributions.

Building on this foundation, Sunnyfounder evolved its business model after obtaining Taiwan's first renewable energy sales license in 2019, positioning itself as the country's first green energy retailer. This allows the company to operate as a green electricity trader, serving corporate clients who need to meet renewable energy targets. Its client roster includes notable companies like Taiwan Mobile, Gogoro, Watsons, and KPMG. The company employs a "many-to-many" trading model, aggregating power from numerous smaller, distributed solar installations and matching it with the varied demand profiles of multiple corporate buyers. This approach mitigates supply risks associated with single-source generation and addresses the complex power management needs of small and medium-sized enterprises (SMEs). By precisely analyzing electricity usage patterns, Sunnyfounder optimizes the matching process, minimizing surplus power and reducing transaction costs for both producers and consumers.

Source: Dealroom company data

At a glance

Status
Operational
Headquarters
Taipei, Taiwan
Employees
24
Open positions
1
Dealroom signal
0.0/100
Industry
Energy
Sector
Energy, B Corp
Business model
Manufacturing
Client focus
b2b

Funding history

1 recorded event

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
EARLY VC✓Equity / VC May 2024 $28M $110M Herun Electric Energy ↗
Showing the latest 1 of 1 recorded eventsBook a demo for the full funding history →

Growth signals

Sunnyfounder website traffic

Latest recorded traffic for Sunnyfounder is 11K monthly website visits, up 39.2% over the last three months. Sunnyfounder's team grew 100% over the past year.

Latest monthly visits11K 3-month web change+39.2% 1-year team growth+100%
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Similar companies

Closest operating peers by Dealroom taxonomy

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Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

1 investor on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Series A1 investor entered at this stage

  • Herun Electric Energy
Employees 24 total headcount
Founders Hidden — book a demo/100 quality score
Key operators Hidden — book a demo quality score
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
1 countries with
team presence
🇹🇼 Taiwan92.9%
1 country shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Sunnyfounder on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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