Radar · Energy in South Holland
Best Energy Companies in South Holland, Netherlands
The 121 best Energy companies in South Holland, Netherlands in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Tulip Oil.
By Rohit KhannaTrends & Stories
121companies tracked
$192.5Mdisclosed funding
0unicorns
27have raised
FLIAR INTELLIGENCE · ENERGY × SOUTH HOLLAND
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.
441companies analysed
76%cloud-native stacks
2025funding peak (by rounds)
8unicorns
2013median founding year
746kcombined LinkedIn audience
66%of audience held by top 3
6companies hiring publicly (12 mo)
Ranked: Best Energy companies in South Holland
| # | Company | Disclosed funding | Last round | Employees | Founded | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Tulip Oil Oil & natural gas exploration and production company | $103M | 104 mo ago | 21 | 2010 | Imad Mohsen CEO & MD | — | — | — |
| 2 | Battolyser Systems Manufacturer of electrolyzers | $33M | 21 mo ago | 47 | 2018 | Fokko Mulder Co-Founder | Cart FunctionalitySquarespace CommerceSquarespace+14 | — | 1 launch |
| 3 | SolarDuck Developer of solar energy projects | $17M | 30 mo ago | 27 | 2018 | Don Hoogendoorn CTO & Co-Founder | WordPressMySQLPHP+20 | — | 1 partnership |
| 4 | Exasun Solar PV glass roofs and facades producer | $9M | 45 mo ago | 35 | 2012 | — | — | 16 patents Building‑integrated photovoltaic roofing and modular solar panel systems | — |
| 5 | Equinox Ocean Turbines Provider of clean energy solutions using ocean currents, with a focus on developing a revolutionary turbine… | $6M | 23 mo ago | 3 | 2022 | Pieter Haas Founder | — | 7 patents Marine hydrokinetic turbines employing secondary rotors to boost energy capture | 1 launch · 1 partnership |
| 6 | Blue Radix Provider of greenhouse management services | $5M | 20 mo ago | 23 | 2020 | Rudolf De Vetten Chief Product Officer / Co-founder | WordPressMySQLPHP+28 | — | 1 launch |
| 7 | Kitepower Developer of wind energy projects | $4M | 44 mo ago | 23 | 2016 | Roland Schmehl Co-Founder | WordPressMySQLPHP+32 | — | — |
| 8 | Solar Monkey Provider of solar planning and designing services | $4M | 44 mo ago | 73 | 2014 | — | WordPress Block EditorWordPressMySQL+29 | — | — |
| 9 | Ampyx Power Provider of wind energy systems | $3M | 134 mo ago | 19 | 2008 | — | — | 52 patents Patents concentrated in mechanical & energy engineering | — |
| 10 | Eternal Sun Solar module testing equipment supplier | $2M | 138 mo ago | 227 | 2011 | — | WordPressMySQLPHP+21 | 7 patents Solar simulators for photovoltaic module testing and production line integration | — |
| 11 | Involtum Supplier of temporary electricity and utilities for marinas, campsites, and car parking areas | $1M | 81 mo ago | 16 | 2012 | Edwin Noomen Co-Founder | — | — | — |
| 12 | Supersola Manufacturer of portable plug & play solar PV systems | $1M | 37 mo ago | 7 | 2016 | Julius Smith Founder & CEO | Cart FunctionalityShopifyBootstrap+23 | 4 patents Design and mounting systems for photovoltaic panel support structures | — |
| 13 | VertiDrive Provider of magnetic crawler solutions for steel surface preparation and cleaning | $811K | 126 mo ago | 16 | 2008 | — | WordPressMySQLPHP+25 | — | 1 launch |
| 14 | Solho Provider of design, engineering, and project development services for solar energy | $622K | 39 mo ago | 6 | 2017 | Emiliano Casati Co-Founder | — | — | — |
| 15 | SolarSwing Provider of solar-based products for use in buildings | $391K | 88 mo ago | 1 | 2011 | Sam Kin Founder | — | — | — |
| 16 | GEHECO Company that designs and installs revolutionary, carbon neutral heating solutions for existing buildings… | $363K | 18 mo ago | — | 2023 | Onno Bierhoff Business lead & Co-founder | WordPressMySQLPHP+11 | — | — |
| 17 | Oceans of Energy Developer of offshore floating solar systems | $353K | 57 mo ago | 37 | 2016 | Allard Hoeken Founder & CEO | WordPressMySQLPHP+15 | 14 patents Floating pontoon platforms for marine renewable energy and offshore solar installations | 1 internship |
| 18 | DENSsolutions Provider of in situ electron microscopy solutions. It develops and manufactures advanced systems for cooling… | $311K | 89 mo ago | 29 | 2012 | Hugo Perez-Garza Chief Executive Officer | — | 18 patents Patents concentrated in electrical & electronics | — |
| 19 | Tetrahedron Manufacturer of generators for wind turbines | $216K | 76 mo ago | 7 | 2018 | Wilco Stavenuiter Founder | — | 7 patents Offshore crane vessels for wind turbine component hoisting and installation | — |
| 20 | Bestico Provider of technology solution for using biomass and convert this into feed for insect farming | $111K | 80 mo ago | 13 | 2013 | — | — | — | — |
Top 12 Energy companies in South Holland
#1
Series A · Schiedam, South Holland · founded 2018 · 47 employees$33Mraised▾
Series A · Schiedam, South Holland · founded 2018 · 47 employees
Battolyser Systems is a manufacturer of battery-integrated electrolyzers. It uses alkaline electrolysis technology for hydrogen generation
LinkedIn Pulse recent public activity · Jul 2026
Audience: 14k LinkedIn followers
Activity: 1 product launches announced in 12 mo
Funding rounds
- Sep 2024Series A$33M
- Oct 2023Venture Debt$42.4M
Founders & team
Investors
GCC, Innovation Industries, Invest-NL, European Investment Bank, Delft Enterprises
#2
Series A · Rotterdam, South Holland · founded 2020 · 23 employees$5.5Mraised▾
Series A · Rotterdam, South Holland · founded 2020 · 23 employees
Provider of greenhouse management services
LinkedIn Pulse recent public activity · Jul 2026
Audience: 7k LinkedIn followers
Activity: 1 product launches announced in 12 mo
Funding rounds
- Oct 2024Series A$5.5M
- May 2023Seed—
Founders & team
Investors
Navus Ventures, Horticoop
Tech stack
Anime.JsAzureCloudflareCloudflare Bot ManagementCore-JsElementor
#3
Seed · Gorinchem, South Holland · founded 2022 · 3 employees$6.2Mraised▾
Seed · Gorinchem, South Holland · founded 2022 · 3 employees
Equinox Ocean Turbines is a clean energy technology company that has developed a revolutionary turbine capable of economic energy production at low flow speeds. They are focused on harnessing the power of ocean currents to provide a sustainable source of renewable energy.
LinkedIn Pulse recent public activity · Jul 2026
Audience: 1k LinkedIn followers
Activity: 1 product launches · 1 partnerships (incl. Florida Atlantic University's Southeast National Marine Renewable Energy Center and Environmental Science Associates) announced in 12 mo
Founders & team
Investors
EIT InnoEnergy, Damen, NVNOM, Frisian Development Agency
#4
Seed · Delft, South Holland · founded 2023$363.4Kraised▾
Seed · Delft, South Holland · founded 2023
Company that designs and installs revolutionary, carbon neutral heating solutions for existing buildings using water heat pumps, aiming to contribute to a sustainable energy transition
LinkedIn Pulse recent public activity · Jul 2026
Audience: 496 LinkedIn followers
Funding rounds
- Nov 2024Seed$363.4K
Founders & team
Investors
Graduate Ventures, UNIIQ, Rabobank, Rockstart, Shell
#5
Series B · Rotterdam, South Holland · founded 2018 · 27 employees$16.5Mraised▾
Series B · Rotterdam, South Holland · founded 2018 · 27 employees
Developer of solar energy projects
LinkedIn Pulse recent public activity · Jul 2026
Audience: 12k LinkedIn followers
Activity: 1 partnerships (incl. Honeywell) announced in 12 mo
Funding rounds
- Dec 2023Series B$16.5M
Founders & team
Investors
Green Tower, Invest-NL, InnovationQuarter, Katapult, Katapult Ocean
Tech stack
Contact Form 7Google AnalyticsGoogle Font ApiGoogle MapsGoogle Tag ManagerGsap
#6
Series C · Zuidland, South Holland · founded 2012 · 35 employees$9Mraised▾
Series C · Zuidland, South Holland · founded 2012 · 35 employees
Exasun is a Dutch solar PV producer of Glass-Glass solar modules with high efficiency and lifespan. It offers three products Black Glass for flat roofs, sloped roofs, and solar parks, Black Roof - a waterproof solution for complete building integration, and Black Facade an invisible mounting facade system.
Funding rounds
- Sep 2022Series C$9M
- Jun 2018Series B—
Investors
Abn Amro, Invest-NL, Wienerberger, ENERGIIQ, Dockpoint, No Such Ventures
#7
Deadpooled · The Hague, South Holland · founded 2010 · 21 employees$103Mraised▾
Deadpooled · The Hague, South Holland · founded 2010 · 21 employees
Tulip Oil is an oil & natural exploration and production company. Involved in both onshore and offshore exploration and productions. Also, involved in the production with enhanced recovery from abandoned wells. Has 1400+ sq km license area with 10% to 60% working interest in The Netherlands, as of Feb'18. Operational in Western Germany, as of Feb'18.
Funding rounds
- Oct 2017Conventional Debt$103M
Founders & team
#8
Series A · Delft, South Holland · founded 2016 · 23 employees$4.5Mraised▾
Series A · Delft, South Holland · founded 2016 · 23 employees
Developer of wind energy projects
LinkedIn Pulse recent public activity · Jul 2026
Audience: 8k LinkedIn followers
Funding rounds
- Oct 2022Series A$878.4K
- Oct 2022Grant (prize money)$238.3K
- Jun 2021Series A$3.6M
Founders & team
Investors
ENERGIIQ, ifund, Europa, InnovationQuarter
Tech stack
All-InklAosApache Http ServerCdnjsCloudflareCloudflare Turnstile
#9
Series A · Zuidland, South Holland · founded 2014 · 73 employees$3.9Mraised▾
Series A · Zuidland, South Holland · founded 2014 · 73 employees
Provider of solar planning and designing services
LinkedIn Pulse recent public activity · Jul 2026
Audience: 976 LinkedIn followers
Funding rounds
- Sep 2022Series A$3.9M
- Sep 2020Grant (prize money)$363.9K
Investors
Europa, Helen Ventures, Eneco, 4impact
Tech stack
CloudflareCloudflare Bot ManagementCookiebotCore-JsFacebook PixelGoogle Analytics
#10
Acquired · Delft, South Holland · founded 2016 · 7 employees$1.1Mraised▾
Acquired · Delft, South Holland · founded 2016 · 7 employees
Manufacturer of portable plug & play solar PV systems
LinkedIn Pulse recent public activity · Jul 2026
Audience: 2k LinkedIn followers
Funding rounds
- May 2023Seed$1.1M
Founders & team
Investors
ROM InWest, TechFund One, EIT InnoEnergy, YES!Delft, Glass Frog Ventures
Tech stack
Facebook PixelGoogle AdsGoogle Ads Conversion TrackingGoogle AnalyticsGoogle Font ApiGoogle Tag Manager
#11
Seed · Delft, South Holland · founded 2017 · 6 employees$621.6Kraised▾
Seed · Delft, South Holland · founded 2017 · 6 employees
Developer of a solar off-grid energy system designed to power horticultural projects and facilitate the energy transition. The company's system uses solar energy and seawater to provide the necessary inputs for greenhouse horticulture projects, enabling institutions to overcome the current barriers of poor and unreliable energy infrastructures.
LinkedIn Pulse recent public activity · Jul 2026
Audience: 945 LinkedIn followers
Activity: 1 product launches announced in 12 mo
Funding rounds
- Mar 2023Seed$621.6K
- Dec 2018Grant (prize money)$57.2K
- Jul 2018Grant (prize money)$58.4K
Founders & team
Investors
EIC Fund, Europa, SHIFT Invest, Rabobank, YES!Delft
Tech stack
WordpressMysqlPhpDebianElementorYoast Seo
#12
Deadpooled · The Hague, South Holland · founded 2008 · 19 employees$3Mraised▾
Deadpooled · The Hague, South Holland · founded 2008 · 19 employees
Provider of wind energy systems. The company developing tethered aircraft that converts wind into electricity. The technology uses much less material and smaller infrastructure compared to conventional wind turbines, offering reduced environmental impact, lower visual and noise pollution, and easier public acceptance.
Funding rounds
- Apr 2015Grant (prize money)$2.7M
- Jan 2015Grant (prize money)$308.7K
- Sep 2012Series A—
Investors
Europa, Mainport Innovation Fund, SHIFT Invest, ScaleUpNation, Syllion Ventures, Lucros Investment
Tech stack
Wix EcommerceWixReactGoogle CloudPolyfillLodash
Funding & investor landscape
$192.5Mtotal disclosed funding
20companies funded
31disclosed rounds
0rounds last 90 days
Most active investors
Notable founders
Fokko Mulder
Co-Founder · Battolyser Systems
Mattijs Slee
Chief Executive Officer · Battolyser Systems
Rudolf De Vetten
Chief Product Officer / Co-founder · Blue Radix
Laurens Spek
Co-Founder · Blue Radix
Pieter Haas
Founder · Equinox Ocean Turbines
Onno Bierhoff
Business lead & Co-founder · GEHECO
Don Hoogendoorn
CTO & Co-Founder · SolarDuck
Koen Burgers
Co-Founder & CEO · SolarDuck
Imad Mohsen
CEO & MD · Tulip Oil
Roland Schmehl
Co-Founder · Kitepower
Julius Smith
Founder & CEO · Supersola
Tom White
Co-Founder · Supersola
Prism market signals · Netherlands · country-scoped Prism corpus, 195,182 docs
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
RESEARCH SIGNALS · Netherlands
How research on Grid Energy Storage is moving in the Netherlands
A read on the academic research around Grid Energy Storage — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 492 Netherlands-affiliated papers.
research sentiment over time
201720232026
enthusiastic · positive · guarded tone
Tone is overwhelmingly optimistic and intensifying — the enthusiastic (strongly-positive) share moved 53% → 57% across 2017–2026.
top research entities
- Delft University of Technology133
- Institute of Physics98
- Eindhoven University of Technology70
- University of Twente50
- University of Groningen34
leading researchers
Pavol Bauer · Gautham Ram Chandra Mouli · Peter A. A. Klusener · Laura Ramírez-Elizondo · Yaxiang Lu · Hong Li · Antoni Forner‐Cuenca · Qinghua Zhang
▲
Breakthroughs150 · 30%
▲ 25%→29% share
▲1.2× share momentum4 median citations80% since 2021mostly methods-led
Electrolyte research is surging — Dutch papers jumped from 2 to 24, with polysulfide emerging as a brand-new focus area.
rising sub-themes (early→recent)
- Battery (electricity)5→31
- Electrolyte2→24
- Redox2→19
- Anode2→18
- Electrochemistry1→15
Newly emergingPolysulfide 0→9 · Thermal energy storage 0→8 · Energy (signal processing) 0→7
Landmark Ultrahigh–energy density lead-free dielectric films via polymorphic nanodomain design · 1,078 cites
◆
Advancements233 · 47%
▲ 42%→50% share
▲1.2× share momentum2 median citations90% since 2021mostly methods-led
Renewable energy integration research exploded — Dutch grid-storage papers rose from 2 to 59, now dominating advancements.
rising sub-themes (early→recent)
- Renewable energy2→59
- Battery (electricity)4→38
- Photovoltaic system3→30
- Electrochemistry1→23
- Automotive engineering2→17
Newly emergingElectricity 0→16 · Sizing 0→15 · Electrical engineering 0→11
Landmark Research on Advanced Materials for Li‐ion Batteries · 1,775 cites
▼
Concerns75 · 15%
▼ 17%→14% share
▼0.8× share momentum3 median citations81% since 2021mostly empirical
Electrolyte and electricity reliability issues newly emerged, while battery and cathode degradation concerns intensify across Dutch storage research.
rising sub-themes (early→recent)
- Battery (electricity)2→15
- Renewable energy2→15
- Cathode1→7
- Anode1→5
- Hydrogen storage1→5
Newly emergingElectrolyte 0→8 · Electricity 0→8 · Energy (signal processing) 0→5
Landmark Approaching Practically Accessible Solid-State Batteries: Stability Issues Related to Solid Electrolytes and Interfaces · 1,549 cites
RESEARCH HOTSPOTS · Netherlands
Where energy storage is researched across Netherlands
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Delft142 · +0.46
Groningen81 · +0.38
Eindhoven74 · +0.47
Utrecht27 · +0.38
Wageningen9 · +0.56
Leiden7 · +0.20
Nijmegen5 · +0.54
Rotterdam5 · +0.42
Common questions
How many Energy companies are there in South Holland, Netherlands?
Radar tracks 121 indexable Energy companies headquartered in South Holland, Netherlands that meet our profile-completeness bar.
What is the total funding raised by Energy companies in South Holland, Netherlands?
The Energy companies in South Holland, Netherlands on this list have raised a combined $192.5M in disclosed equity funding across 20 funded companies.
Which is the highest-funded Energy company in South Holland, Netherlands?
Tulip Oil is the highest-funded Energy company in South Holland, Netherlands, with $103M in disclosed equity funding.
How many Energy companies in South Holland, Netherlands are funded?
20 of the 121 Energy companies in South Holland, Netherlands on this list have disclosed at least one equity funding round.
How many Energy unicorns are there in South Holland, Netherlands?
None of the Energy companies in South Holland, Netherlands on this list currently has a disclosed valuation of $1B or more.
Who are the top investors in South Holland, Netherlands Energy companies?
The most active investors in South Holland, Netherlands Energy companies on this list include Europa, YES!Delft, InnovationQuarter, EIT InnoEnergy, Delft Enterprises.
Rohit KhannaTrends & Stories
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.