Best Energy Companies in Flanders, Belgium
The 81 best Energy companies in Flanders, Belgium in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Electrawinds.
Our analysis of 441 Energy companies
$135.1b in tracked funding; 76% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy companies in Flanders
| # | Company | Last round | Disclosed funding | Revenue | Employees | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Vandenborre Energy Systems Hydrogen storage systems | — | $11K | — | 1 | Hugo Vandenborre Co-Founder & CEO | — | — | — |
| 2 | AB-Experts Provider of soil remediation services | — | — | $317M FY2024 | 1,394 | — | — | — | — |
| 3 | Alco Bio Fuel Producer of bio-ethanol, animal feed, and other byproducts from grain | — | — | $288M FY2024 | 56 56 → 38 (-32%) · sector median -2% | Xavier Van den Avenne CEO & Director | WordPressPleskMySQL+20 | — | — |
| 4 | Alfasun Provider of sustainable energy solutions for homes and businesses. | — | — | — | 12 | — | WordPressApple iCloud MailGoogle Workspace+22 | — | — |
| 5 | Aspiravi Pioneer in renewable energy offering a range of green energy solutions, including green electricity… | — | — | $86M FY2024 | 40 | — | WordPressPleskMySQL+27 | — | — |
| 6 | Battery Supplies Supplier all batteries, chargers and accessories | — | — | $47M FY2024 | 47 47 → 33 (-30%) · sector median -2% | — | WordPressMySQLPHP+21 | — | — |
| 7 | BEE AI powered portfolio management software for renewable energy industry | — | — | — | 5 | Michael Corten Founder | Craft CMSPHPYii+21 | — | 1 job opening · 1 partnership |
| 8 | Bio Oil Recycling Recycler of vegetable oils and fats into biodiesel feedstock | — | — | — | 2 | — | — | — | — |
Top 12 Energy companies in Flanders
#1
Series A · Antwerp, Flanders · founded 2015 · 4 employees$6.6Mraised▾
Manufacturer of batteries
- Nov 2025Series A$6.6M
#2
Series C · Zaventem, Flanders · founded 2019 · 105 employees$215.4Mraised▾
Developer of solar and wind energy projects
- Apr 2024Series C$149M
- Jul 2022Series C$66.4M
#3
Public · Ostend, Flanders · founded 1998 · 1 employees$253Mraised▾
Renewable energy developer
#4
Seed · Antwerp, Flanders · founded 2022$1.3Mraised▾
Provider of solutions for non-energy benefits, focusing on high-end sustainable projects without the burden of high costs for clients. The company aims to assist in mitigating non-CO2 greenhouse gas emissions through various economic analysis options across different sectors.
- May 2024Seed$1.3M
#5
Acquired · Schoten, Flanders · founded 2006 · 1 employees$21.2Mraised▾
Ikaros Solar is a Belgian company focused on providing services to the PV industry. The company specializes in providing O&M and EPC services to utility project developers and to industrial and commercial customers who set-up rooftop solar.
- Mar 2011PE$21.2M
#6
Funding Raised · Ostend, Flanders · founded 2000 · 21 employees$465.9Kraised▾
Developer of wind energy projects
- Dec 2023Grant (prize money)$465.9K
#7
Funding Raised · Leuven, Flanders · founded 2010$2.4Mraised▾
Energy expert providing solutions for energy transition and management. Company provides detailed modeling of energy systems in the built environment, focusing on multi-parameter optimization to support the design and evaluation of energy solutions.
- Dec 2021Grant (prize money)—
- Jun 2021Grant (prize money)$362.5K
- Feb 2021Grant (prize money)—
- Jun 2020Grant (prize money)$338.6K
#8
Funding Raised · Turnhout, Flanders · founded 2015 · 7 employees$2.2Mraised▾
Solenco Power NV specializes in hydrogen energy storage systems for residential, commercial, and industrial installations. Their flagship product, the Solenco Powerbox, converts solar and wind energy into green hydrogen, making it a crucial component for the mass uptake of renewable energy. With their innovative solution, Solenco aims to contribute to the development of the "Energy Cloud" concept.
- Mar 2022Grant (prize money)$55.7K
- Apr 2020Grant (prize money)$2.1M
#9
Acquired · Hasselt, Flanders · founded 2010 · 13 employees$5.7Mraised▾
Manufacturer of engineered semiconductor substrates. It develops and produces silicon-on-insulator (SOI) wafers using proprietary Smart Cut™ technology. These substrates enhance energy efficiency and performance in microelectronics for applications such as mobile communications, automotive, and AI. The company operates manufacturing facilities and collaborates with industry partners to supply its products globally. Its business model includes both direct sales and licensing of its technology to other manufacturers.
- Jan 2018Grant (prize money)$393.5K
- Jan 2017Grant (prize money)$1.4M
- Jul 2011Series A$5.7M
#10
Acquired · Antwerp, Flanders · founded 2012 · 120 employees$1.7Mraised▾
Provider of design, construction, and development for utility-scale offshore wind energy farms
- Jan 2020Grant (prize money)$95.5K
- Nov 2017Grant (prize money)$43.2K
- Jan 2017Grant (prize money)$38K
- Feb 2016Grant (prize money)$1.6M
#11
Funding Raised · Ghent, Flanders · founded 2014 · 2 employees$487.1Kraised▾
{}
- Nov 2020Grant (prize money)$326.7K
- Oct 2019Grant (prize money)$160.3K
#12
Funding Raised · Niel, Flanders · founded 2001$163.3Kraised▾
Provider of energy monitoring platform for solar and related energy systems. The platform collects and analyzes data from various energy devices. It offers independent data retrieval, ensuring continuous monitoring regardless of internet connectivity. The platform supports multiple inverter brands and facilitates reporting according to energy performance regulations. It also provides tools for optimizing energy consumption and analyzing PV generation data.
- Oct 2021Grant (prize money)$163.3K
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
What Flanders researches in energy storage
- Flanders Make18
- University College West Flanders1
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.