Best Energy Tech Companies in Delft, Netherlands
The 37 best Energy Tech companies in Delft, Netherlands in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: ROCSYS.
Our analysis of 287 Energy Tech companies
$109.4b in tracked funding; 82% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy Tech companies in Delft
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | ROCSYS Provider of charging station automation solutions 64Patents top 22%Funding top 27%Talent top 28%Moat top 32% All 11 signals ▾Patentstop 22% Fundingtop 27% Talenttop 28% Moattop 32% Innovationtop 33% Growthtop 35% Newstop 39% Techtop 41% Producttop 46% Globalbottom 43% Marketbottom 41% Patents: 88 patents matched (strict assignee match) · 81 filings since 2022 vs 7 in 2017-21 Funding: Raised $42.7M across 4 rounds · 4 rounds over 7 yrs (0.6/yr) rank vs industry peers · Fliar Intelligence Index 64/100 | $43M | 4 mo ago | 46 | Murthy Chintalapati Co-Founder | WordPressApple iCloud MailMicrosoft 365+20 | Top 10M | 88 patents Autonomous EV charging robotics: connector alignment, positioning, and charging system control. | 1 expansion |
| 2 | Maeve Aerospace Manufacturer of electric aircraft | $16M | 12 mo ago | 32 | Jan Heinen Co-Founder & CEO | Node.jsTailwind CSSReact+10 | Top 50M | — | — |
| 3 | Nowi Energy Wireless charging sensor infrastructure for small IoT devices | $13M | 81 mo ago | 40 | Omar Link Co-Founder | — | — | 31 patents Patents concentrated in electrical & electronics | — |
| 4 | Powall Provider of sustainable powders for batteries | $12M | 27 mo ago | 24 | Roderik Colen CEO | — | — | — | — |
| 5 | Physee Provider of transparent BIPV solar panels | $12M | 63 mo ago | 36 | — | — | — | 38 patents Eu2+-doped luminescent nanomaterials for greenhouse glazing and solar concentrators | 1 launch |
| 6 | Solar monkey Provides software for solar installation | $5M | 48 mo ago | 55 | — | PythonDjangoGoogle Cloud+6 | Top 5M | — | — |
| 7 | zepp.solutions Developer of PEM hydrogen fuel cell system | $3M | 28 mo ago | 14 | Jonas Brendelberger Co-Founder | — | — | — | — |
| 8 | Newton Energy Solutions Manufacturer of energy storage solutions | $3M | 27 mo ago | 6 | Martin Mohana Founder and Managing Director | — | — | 7 patents Control systems and devices for hot‑water thermal energy storage and sensible heat storage. | — |
| 9 | Orbital Eye Pipeline monitoring using satellite radar images | $2M | 32 mo ago | 18 | Andre Bos Co-Founder | — | — | — | — |
| 10 | Scoozy Electric mobility-aid for differently-abled | $1M | 35 mo ago | 6 | — | OdooPostgreSQLFirebase+15 | Top 5M | 10 patents Enhanced mobility scooter design with front-wheel suspension, elevated steering, and easy-access features. | — |
| 11 | Magneto Provider of magnetocaloric heat pumps for heating and cooling solutions for the renewable energy industry | $1M | 41 mo ago | 5 | — | — | — | 7 patents Solid-state magnetic refrigeration using Mn‑Fe‑P‑Si‑B‑V magnetocaloric alloys | — |
| 12 | Tarnoc Provider of heating solutions for home | $858K | 14 mo ago | — | Vincent Wijdeveld Co-Founder & CEO | WordPressMySQLPHP+20 | Top 5M | — | — |
| 13 | Nerdalize Cloud-based building energy management software solutions | $852K | 110 mo ago | 14 | — | — | — | 7 patents Thermal management modules for cooling heat‑generating electronic components | — |
| 14 | SolarSwing Provider of solar-based products for use in buildings | $391K | 91 mo ago | 1 | Sam Kin Founder | — | — | — | — |
| 15 | TILER Developer of wireless charging systems for e-bikes and micro-mobility vehicles | $272K | 76 mo ago | 7 | Olivier Coops Co-Founder & CEO | WebflowVimeocore-js+20 | Top 50M | — | — |
| 16 | Synano Nanotechnology based cooling solutions | $271K | 67 mo ago | — | Sana Fateh Founder | — | — | — | — |
| 17 | Joulz Smart meter installation, meter reading & data management services provider | $190K | 122 mo ago | 535 | — | SentryLeafletstyled-components+23 | Top 5M | — | 2 job openings |
Top 12 Energy Tech companies in Delft
#1
Series A · Delft, South Holland · founded 2017 · 46 employees$42.7Mraised▾
Provider of charging station automation solutions. It offers self-parking and charging stations and enables an increase in electric vehicle charging station asset utilization.
- Apr 2026Series A$13M
- Jul 2023Series A$36.2M
- May 2021Series A$6.3M
- Nov 2019Seed$221.2K
#2
Series B · Delft, South Holland · founded 2020 · 32 employees$15.9Mraised▾
Manufacturer of electric aircraft. The company is involved in the design and development of ultra-silent operating electric aircraft with a seating capacity of 44 passengers. It uses battery technology to power its electric aircraft and provides rapid charging systems.
- Sep 2025Series B—
- Jul 2023Series B—
- Dec 2022Series B$15.9M
- Dec 2022Grant (prize money)$2.7M
#3
Series A · Delft, South Holland · founded 2019$858.2Kraised▾
Provider of heating solutions for home. It develops a heat pump technology that works without an outdoor unit and is connected to the existing climate system (radiators).
- Jun 2025Series A$1.4M
- Nov 2023Seed$858.2K
#4
Series A · Delft, South Holland · founded 2014 · 24 employees$11.6Mraised▾
Provider of sustainable powders for batteries. It develops powders for batteries, fuel cells, electrolysers and more. It uses atomic layer decomposition solution for layering process.
- May 2024Series A$3.2M
- Oct 2021Series A$11.6M
- Oct 2020Seed—
- Jan 2020Grant (prize money)$405.3K
#5
Seed · Delft, South Holland · founded 2017 · 14 employees$3.2Mraised▾
Developer of PEM hydrogen fuel cell system. Solutions offered chemically combines hydrogen generated by a renewable energy source & oxygen gas by generating electricity. Claims to deliver high continuous output power with longer operation times. Also develops fuel cell hybrid systems by combining energy storage systems to deliver power during higher energy demands. Can be used in airport vehicles, heavy-duty equipment, off-grid systems and maritime vessels. Also offers system integration, product development, and consultancy services.
- May 2024Seed$3.2M
- Aug 2023Grant (prize money)$2.1M
#6
Seed · Delft, South Holland · founded 2022 · 6 employees$2.7Mraised▾
Manufacturer of energy storage solutions. It provides vaccum technology based energy storage solution for residential and commercial buildings.
- May 2024Seed$2.7M
#7
Series A · Delft, South Holland · founded 2014 · 36 employees$11.5Mraised▾
Provider of transparent BIPV solar panels. It provides users with a platform offering transparent BIPV solar panels. It provides a transparent BIPV Solar Panel which can be substituted for windows in office buildings. This platform also provides real estate solutions like smart skin technology and greenhouse solutions.
- May 2021Series A$4.9M
- Jan 2021Grant (prize money)$60.7K
- Jan 2021Series A$4.9M
- Nov 2020Grant (prize money)$346.7K
#8
Seed · Delft, South Holland · founded 2012 · 18 employees$2.2Mraised▾
Developer of energy infrastructure monitoring software designed to reduce the number of safety issues. The company's monitoring software uses radar images from satellites in combination with smart software that can be connected to the central database via terrestrial networks and satcoms and can therefore be used in remote locations such as desert areas, enabling pipeline operators to get alerted to suspicious events, then dispatch field personnel to find reported or detected hazards using a tablet app at affordable prices, anytime and anywhere, secure and sustainable.
#9
Acquired · Delft, South Holland · founded 2005 · 55 employees$5.3Mraised▾
Provides software for solar installation. It offers software which serves solar professionals to design solar systems using an areal view of the installation site. It is also used to calculate the yield of the solar system using LiDAR data and 360-degree analysis.
- Aug 2022Series A$4M
- Mar 2019Seed$1.1M
- Jan 2016Seed$216.7K
#10
Acquired · Delft, South Holland · founded 2015 · 40 employees$13Mraised▾
Nowi energy technology offers sensor solutions that enable wireless energy supply to small sized IoT devices such as sensors. Nowi harvests existing radio signals from our environment and converts that to electrical energy to charge micro IoT devices, these RF signals are produced by different devices at home, a simple example being our WiFi. Nowi's technology helps power small sized, low power consuming devices which would help provide a perpetual charging to such devices.
- Nov 2019Series A$10M
- Jan 2019Seed$1.1M
- Mar 2018Seed$1.9M
#11
Seed · Delft, South Holland · founded 2016 · 6 employees$1.3Mraised▾
Scoozy is a Dutch startup focused on developing mobility solutions for differently-abled and people who face difficulty in walking. The company's all-terrain solution has a speed of 15 km/h and a range of 40-80 km. The vehicle is powered by Li-ion battery. The vehicle is equipped with sensors on all sides which help in automated braking. The system is driven using a joystick and a display informs the user of the range remaining during the journey. The company is a part of the Yes!Delft incubator.
- Sep 2023Seed$1.6M
- May 2019Seed$1.3M
#12
Seed · Delft, South Holland · founded 2018 · 5 employees$1Mraised▾
Provider of magnetocaloric heat pumps for heating and cooling solutions for the renewable energy industry. it offers heat pumps that contain magnetocaloric materials which help to convert small temperature differentials into rotational energy. It finds its applications in geothermal energy, solar energy, and more.
- Mar 2023Grant (prize money)$2.7M
- Jul 2022Seed$1M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Energy Storage in Delft is moving
A read on the academic research around Energy Storage in Delft — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 133 papers.
- Delft University of Technology133
- Battery (electricity)9
- Renewable energy6
- Energy (signal processing)5
- Controller (irrigation)4
- Flexibility (engineering)4
- Photovoltaic system2→10
- Automotive engineering1→8
- Battery (electricity)1→7
- Grid2→7
- Nanotechnology1→3
- Hydrogen storage1→3
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.