Best Energy Efficiency Tech Companies in South Holland, Netherlands
The 34 best Energy Efficiency Tech companies in South Holland, Netherlands in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Samotics.
Our analysis of 50 Energy Efficiency Tech companies
$7.8b in tracked funding; 86% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy Efficiency Tech companies in South Holland
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Samotics Provider of condition monitoring solutions for industrial assets and equipment 78AI top 20%Tech top 25%Talent top 28%Funding top 35% All 9 signals ▾AItop 20% Techtop 25% Talenttop 28% Fundingtop 35% Growthtop 35% Marketbottom 49% Productbottom 45% Globalbottom 38% Newsbottom 24% AI: Classified as an AI company Tech: 49 technologies across 5/8 capability areas · Cloud: Amazon S3, Amazon Ses rank vs industry peers · Fliar Intelligence Index 78/100 | $23M | 20 mo ago | Series A | Simon Jagers Co-Founder | 2015 | WordPressApple iCloud MailGoogle Workspace+37 | — | — |
| 2 | Gradyent Technologies Provider of AI & cloud-based solutions to optimize heat network | $12M | 18 mo ago | Series B | Robert Vrancken Founder & CTO | 2019 | StoryblokNode.jsTailwind CSS+23 | — | — |
| 3 | Physee Provider of transparent BIPV solar panels | $12M | 65 mo ago | Series A | — | 2014 | — | 38 patents Luminescent nanomaterial coatings for greenhouse glazing and solar concentrator devices | — |
| 4 | Spotr Developer of AI-driven building profiles through imagery and data analysis | $8M | 33 mo ago | Series A | Marieke Dijksma Cofounder & Product developer | 2015 | WebflowApple iCloud MailMicrosoft 365+19 | — | — |
| 5 | Magneto Provider of magnetocaloric heat pumps for heating and cooling solutions for the renewable energy industry | $1M | 43 mo ago | Seed | — | 2018 | — | 7 patents Magnetocaloric alloys and packed-screen elements for solid-state refrigeration | — |
| 6 | Tarnoc Provider of heating solutions for home | $858K | 15 mo ago | Series A | Vincent Wijdeveld Co-Founder & CEO | 2019 | WordPressMySQLPHP+20 | — | — |
| 7 | Nerdalize Cloud-based building energy management software solutions | $852K | 111 mo ago | Deadpooled | — | 2013 | — | 7 patents Active thermal management modules for heat‑generating electronic components | — |
| 8 | Plugwise IoT-enabled thermostat, plugs and switches for home energy monitoring | $412K | 127 mo ago | Funding Raised | Reinder Sanders Co-Founder & CEO | 2006 | Cart FunctionalityWooCommerceWordPress+26 | 2 patents Patents concentrated in computing, sensing & instrumentation | — |
| 9 | SolarSwing Provider of solar-based products for use in buildings | $391K | 92 mo ago | Seed | Sam Kin Founder | 2011 | — | — | — |
| 10 | Joulz Smart meter installation, meter reading & data management services provider | $190K | 123 mo ago | Acquired | — | 2004 | SentryLeafletstyled-components+23 | — | — |
Top 11 Energy Efficiency Tech companies in South Holland
#1
Series A · Leiden, South Holland · founded 2015 · 104 employees$23Mraised▾
Provider of condition monitoring solutions for industrial assets and equipment. It offers predictive alerts and insights into asset health, performance, and efficiency. The company's technology uses electrical signature analysis to detect faults and optimize energy use. It provides early detection of equipment failures and helps prevent disruptions. The company also offers asset reliability services and failure detection capabilities.
- Jan 2025Venture Debt$21M
- Sep 2022Series A—
- Dec 2021Series A$16.4M
- Mar 2021Series A$6M
#2
Series B · Rotterdam, South Holland · founded 2019 · 44 employees$12.2Mraised▾
Provider of AI & cloud-based solutions to optimize heat network. It provides an artificial intelligence-based software-as-a-service platform for heat optimization. It also provides solutions for demand forecasting, flow simulation, and supply & demand matching.
- Apr 2025Series B$30.2M
- Aug 2022Series A$10.1M
- Jun 2020Seed$2.1M
#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 · The Hague, South Holland · founded 2015 · 46 employees$7.9Mraised▾
Developer of AI-driven building profiles through imagery and data analysis. The company offers automated data collection modules to predict energy performance. These insights help organizations efficiently assess risks and maintenance needs. The company also identifies sustainability opportunities at scale.
- Jan 2024Series A$4.9M
- Jun 2021Seed$3M
#5
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
#6
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
#7
Deadpooled · Delft, South Holland · founded 2013 · 14 employees$851.9Kraised▾
Cloud-based building energy management software solutions. The platform offers sustainable energy solutions to power computers. It provides servers in homes from which homeowners get their water heated.
- Jun 2017Seed$851.9K
- Oct 2015Grant (prize money)$43.8K
#8
Seed · Delft, South Holland · founded 2011 · 1 employees$390.8Kraised▾
Provider of solar-based products for use in buildings. Their current product called SolarSwing Reflect is an interior shading system that consists of transparent vertical blinds. The blinds reflect all direct sunlight, while diffuse daylight is fully transmitted. Their upcoming product called SolarSwing Energy is a transparent solar panel that converts direct sunlight into electricity and usable heat, while all diffuse daylight gets transmitted into the building.
- Feb 2019Grant (prize money)$57.3K
- Jan 2015Grant (prize money)$333.5K
- Mar 2013Seed—
#9
Funding Raised · Sassenheim, South Holland · founded 2006 · 10 employees$411.8Kraised▾
Manufacturer of energy management systems intended to make the world greener in terms of energy consumption. The company is engaged in designing, developing and producing wireless energy management and control systems to increase energy efficiency and sustainability, enabling management systems, private individuals and companies to get up-to-date and have accurate insight into their energy consumption.
- Mar 2016Grant (prize money)$411.8K
#10
Acquired · Delft, South Holland · founded 2004 · 535 employees$190.2Kraised▾
Joulz provides smart energy meter installation, meter reading & data management services to commercial customers. Supplies, install & maintains smart meter, gross production meter & intermediate meters for electricity, solar & wind power systems, and utility gas connection. Provides an online data portal through which the customers can monitor the energy consumption of connected meters and can benchmark with standard parameters for usage optimization. Also offers energy monitoring consultation, EV charge station & transformers installation, and emergency power unit rental services.
- Jul 2016Grant (prize money)$190.2K
- 2015Grant (prize money)—
#11
Deadpooled · Rijswijk, South Holland · founded 2012—raised▾
Provider of smart meter data analysis for energy efficiency industry. It uses non intrusive load monitoring technology to analyze smart meter data to give insights into energy usage consumption by electrical devices. It helps in reading each individual electrical device and looks into deviations to detect deteriorating device health, thus enabling cost saving.
- Feb 2015Seed—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy Efficiency Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Energy Efficiency & Buildings is moving in the Netherlands
A read on the academic research around Energy Efficiency & Buildings — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 272 Netherlands-affiliated papers.
- Delft University of Technology103
- Eindhoven University of Technology61
- University of Twente36
- Netherlands Organisation for Applied Scientific Research12
- Utrecht University8
- Heat pump4→11
- Energy management5→11
- Nuclear engineering1→4
- Process engineering1→14
- Heat pump21→33
- Renewable energy5→12
- Energy storage1→7
- Photovoltaic system3→8
- Heat pump2→5
- Electricity2→4
Where energy efficiency 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.
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.