Sunly
VC Fund
Tallinn, Estonia
Sunly is a VC fund in Tallinn focused on Solar and CleanTech. Sunly, a renewable energy company, is active in the Baltics and surrounding markets. Sunly is developing renewable energy projects through Sunly Infra and manages a renewable energy and electrification portfolio of start-ups through Sunly Startup.
- Total investments:
- 10
- Last investment:
- Lead investor:
- 50%
Last updated:
For AI agents: llms.txt
Industries Sunly invests in
Stages Sunly invests in
Countries Sunly invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Round size
- Seed
- $554k–$4.3M
- Pre-Seed
- $332k–$543k
Investment Focus
Industry
- Solar 2 (20%)
- CleanTech 2 (20%)
- Rental 1 (10%)
- Hardware 1 (10%)
- GreenTech 1 (10%)
Stage
- Seed 3 (30%)
- Pre-Seed 2 (20%)
- Series A 1 (10%)
- Funding Round 1 (10%)
- Convertible Note 1 (10%)
Country
- Estonia 4 (40%)
- France 1 (10%)
- Finland 1 (10%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Priit Lepasepp
CEO and Founder
|
CEO and Founder | Total investments: 3 | Find email |
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| We build heavy-duty cargo bikes and rent them out to on-demand delivery companies and their couriers — no surprises, no extra fees. Currently active in Tallinn and Vilnius and expanding to London and Berlin Q4 2021. | $5.9M / Series A / Jul 02, 2025 | ||
UP Catalyst
|
UP Catalyst produces sustainable carbon nanomaterials and graphite for the green energy storage industry. | $2.6M / Seed / Aug 21, 2024 | |
| Themo is a smart thermostat cleantech company. Themo Service uses Internet of Things (IoT) solutions to assist its clients in lowering energy usage and the carbon impact of electric heating. | $1.4M / Venture - Series Unknown / Mar 14, 2024 | ||
|
UP Catalyst
|
UP Catalyst produces sustainable carbon nanomaterials and graphite for the green energy storage industry. | $4.3M / Seed / Dec 04, 2023 | |
| We build heavy-duty cargo bikes and rent them out to on-demand delivery companies and their couriers — no surprises, no extra fees. Currently active in Tallinn and Vilnius and expanding to London and Berlin Q4 2021. | $4.1M / Seed / Jun 29, 2023 | ||
|
UP Catalyst
|
UP Catalyst produces sustainable carbon nanomaterials and graphite for the green energy storage industry. | $542.5K / Pre-Seed / Apr 20, 2022 | |
| HelioRec is building floating solar power plants for near-shore locations where half of the global population lives. | $29.5K / Convertible Note / Aug 30, 2021 | ||
| GridIO enables households to earn cash using their existing electrical devices by combining them into virtual power plants.In doing so,GridIO provides flexibility to power grids and unlocks a future full of green electricity | $331.8K / Pre-Seed / Dec 06, 2019 | ||
| They've developed BIPV panels that interlock perfectly with any type of roof tiles. Unique built-in roof system by Solarstone combines modern seamless design with practicality. Solarstone modules are installed directly onto timber batten without any costly fittings or mounts. Remove existing roof tiles or build new roof cover. Solarstone worksboth ways without the unnecessary hassle. | $549K / Aug 19, 2019 | ||
| They've developed BIPV panels that interlock perfectly with any type of roof tiles. Unique built-in roof system by Solarstone combines modern seamless design with practicality. Solarstone modules are installed directly onto timber batten without any costly fittings or mounts. Remove existing roof tiles or build new roof cover. Solarstone worksboth ways without the unnecessary hassle. | $554.1K / Seed / Aug 19, 2019 |
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FAQ
What does Sunly invest in?
Sunly invests primarily in Solar, CleanTech and Rental startups, most often at Seed and Pre-Seed stage. Most of the 10 investments tracked by Shizune back companies in Estonia. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Sunly's check size?
Sunly typically joins rounds of $554k–$4.3M at Seed and $332k–$543k at Pre-Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Sunly participates in.
How do I contact Sunly?
Public channels for Sunly include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at Sunly?
The team at Sunly includes Priit Lepasepp (CEO and Founder). The Team section lists each member with their title, investment count and links.
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 Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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