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Radar · Energy Efficiency Tech in North Rhine Westphalia

Best Energy Efficiency Tech Companies in North Rhine Westphalia, Germany

The 49 best Energy Efficiency Tech companies in North Rhine Westphalia, Germany in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Aedifion.

49companies tracked
$52.9Mdisclosed funding
0unicorns
11have raised
FLIAR INTELLIGENCE · ENERGY EFFICIENCY TECH × NORTH RHINE WESTPHALIA

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.

50companies analysed
86%cloud-native stacks
2025funding peak (by rounds)
4unicorns
2014median founding year
100kcombined LinkedIn audience
48%of audience held by top 3
2companies hiring publicly (12 mo)

Ranked: Best Energy Efficiency Tech companies in North Rhine Westphalia

#CompanyDisclosed fundingLast roundStageFounderFoundedTech stackPatents & IP focusRecent signals
1Aedifion
Provider of cloud platform for building operation and energy efficiency
50Talent top 28%Global top 34%Growth top 35%Moat top 41%
All 11 signals ▾
Talenttop 28%
Globaltop 34%
Growthtop 35%
Moattop 41%
Fundingtop 43%
AItop 45%
Techbottom 49%
Patentsbottom 39%
Marketbottom 36%
Innovationbottom 30%
Newsbottom 18%
Talent: 4 named leaders on record · 4 C-suite/founder profiles curated
Global: Serving 60+ countries worldwide · Investors from 1 country beyond Germany
rank vs industry peers · Fliar Intelligence Index 50/100
$13M13 mo agoSeries BErik Brummendorf
Co-Founder
2017WebflowApple iCloud MailMicrosoft 365+182 patents
Automated analysis and optimization software for building automation control networks
1 award
2epilot
Provider of a cloud platform for energy sales, service, and grids
76Growth top 21%Talent top 28%Tech top 29%Global top 33%
All 6 signals ▾
Growthtop 21%
Talenttop 28%
Techtop 29%
Globaltop 33%
Markettop 47%
Fundingtop 49%
Growth: Headcount 20 → 41 (+105%) across vintages · Fresh capital in last 24 mo
Talent: 3 named leaders on record · 3 C-suite/founder profiles curated
rank vs industry peers · Fliar Intelligence Index 76/100
$11M25 mo agoSeries AHannes Alte-Teigeler
Co-Founder
2017WebflowApple iCloud MailMicrosoft 365+20—1 launch · 1 award
3GreenPocket
Developer of energy management software for business and residential customers
$8M79 mo agoSeries BThomas Goette
CEO
2009Webflowparticles.jsreCAPTCHA+11——
4EINHUNDERT
Provider of integrated energy concepts for residential and commercial properties
$7M53 mo agoAcquired—2017WordPressZohoMySQL+24—2 job openings
5Lumoview Building Analytics
Provider of cloud-based building analysis system
24Talent top 28%Funding top 49%Tech bottom 48%News bottom 41%
All 7 signals ▾
Talenttop 28%
Fundingtop 49%
Techbottom 48%
Newsbottom 41%
Productbottom 40%
Globalbottom 37%
Marketbottom 25%
Talent: 3 named leaders on record · 3 C-suite/founder profiles curated
Funding: Raised $5.1M across 2 rounds · 2 rounds over 2 yrs (1.0/yr)
rank vs industry peers · Fliar Intelligence Index 24/100
$5M14 mo agoSeedSilvan Siegrist
Co-Founder
2019WebflowYouTubeLeadfeeder+18—1 job opening
6DABBEL
Offers energy management systems for commercial buildings
$4M62 mo agoSeedJavier Satoca
Co-Founder
2018HubSpot CMS HubApple iCloud MailGoogle Workspace+17——
7synavision
Provider of automation solutions for building
$2M86 mo agoFunding RaisedClaas Pinkernell
Co-Founder & Managing Director
2010WordPressMySQLPHP+27——
8Poligy
Developer of industrial biogas energy projects
$2M71 mo agoFunding RaisedArtur Steffen
Co-Founder & CEO
2018———

Top 11 Energy Efficiency Tech companies in North Rhine Westphalia

#1
Series B · Cologne, North Rhine Westphalia · founded 2017 · 20 employees
$13.1Mraised
▾

Provider of cloud platform for building operation and energy efficiency. The platform uses real-time data and artificial intelligence to optimize energy consumption and reduce operating costs. It offers insights for system control and savings without requiring structural investments. The platform supports regulatory compliance, sustainability, and profitability for real estate portfolios.

Fliar Intelligence Index™ 50how this company ranks against its industry peers
Talent
top 28%
Global
top 34%
Growth
top 35%
Moat
top 41%
Funding
top 43%
AI
top 45%
Talent: 4 named leaders on record · 4 C-suite/founder profiles curated
Global: Serving 60+ countries worldwide · Investors from 1 country beyond Germany · Tagged global-market in registry data
Growth: Fresh capital in last 24 mo
Audience (LinkedIn): 6k LinkedIn followers — 6.2% of this cohort's audience
Activity (LinkedIn): 1 awards announced in 12 mo
Funding rounds
  • Jun 2025Series B$19.7M
  • Jan 2023Series A$13.1M
  • Dec 2021Seed—
  • Mar 2020Seed—
Founders & team
Erik BrummendorfCo-FounderJan ZiegeldorfCo-FounderFelix DornerCo-Founder
Investors
E.ON :agile, BitStone Capital, MOMENI Group, Drees & Sommer, BeyondBuild, Bauwens
Tech stack
AccessibeApple Icloud MailCdnjsCloudflareFont AwesomeGoogle Analytics
#2
Seed · Cologne, North Rhine Westphalia · founded 2019 · 12 employees
$5.1Mraised
▾

Lumoview Building Analytics is a provider of the cloud-based building analysis system. The company automated building analyses through a measurement system, which measures using 360 visual images, air temperature, and more. It has partnered with DLR, F Days, and StartPlatz among others.

Fliar Intelligence Index™ 24how this company ranks against its industry peers
Talent
top 28%
Funding
top 49%
Tech
bottom 48%
News
bottom 41%
Product
bottom 40%
Global
bottom 37%
Talent: 3 named leaders on record · 3 C-suite/founder profiles curated
Funding: Raised $5.1M across 2 rounds · 2 rounds over 2 yrs (1.0/yr) · Last round Seed (Jun 2025)
Tech: 21 technologies across 4/8 capability areas · Cloud: Cloudflare · Security: Cloudflare Turnstile, Hsts
Audience (LinkedIn): 2k LinkedIn followers
Hiring (LinkedIn): 1 hiring post in 12 mo (public) · hiring: Liberty Designer
Funding rounds
  • Jun 2025Seed$2.3M
  • 2024Grant (prize money)$2.8M
Founders & team
Silvan SiegristCo-FounderBernhard HoffschmidtCo-FounderArne TiddensCo-Founder and Managing Director
Investors
Greencode Ventures, IBB Ventures, WakeUp Capital, European Innovation Council, Hoffschmidt Ventures
Tech stack
CalendlyCloudflareCloudflare TurnstileCookiebotGoogle AnalyticsGoogle Tag Manager
#3
Series A · Cologne, North Rhine Westphalia · founded 2017 · 41 employees
$10.8Mraised
▾

Provider of a cloud platform for energy sales, service, and grids. The platform digitalizes sales, service, and grid processes, from initial customer inquiries to ongoing support. It offers features such as customer portals, partner portals, and data lakes. The platform provides solutions for energy suppliers, municipal utilities, and grid operators.

Fliar Intelligence Index™ 76how this company ranks against its industry peers
Growth
top 21%
Talent
top 28%
Tech
top 29%
Global
top 33%
Market
top 47%
Funding
top 49%
Growth: Headcount 20 → 41 (+105%) across vintages · Fresh capital in last 24 mo
Talent: 3 named leaders on record · 3 C-suite/founder profiles curated
Tech: 38 technologies across 5/8 capability areas · Cloud: Amazon Cloudfront, Amazon S3 · Observability: Datadog, Microsoft Clarity
Audience (LinkedIn): 12k LinkedIn followers — 12.1% of this cohort's audience
Activity (LinkedIn): 1 product launches · 1 awards announced in 12 mo
Funding rounds
  • Jul 2024Series A$10.8M
  • Jan 2023Series A—
  • Feb 2020Series A—
Founders & team
Hannes Alte-TeigelerCo-FounderMichel NicolaiCEO & FounderSzilard TothCo-Founder
Investors
Enercity, Expedition Growth Capital, Riverside, AXON Ivy
Tech stack
Amazon CloudfrontAmazon S3Amazon Web ServicesApple Icloud MailCloudflareCloudflare Bot Management
#4
Acquired · Cologne, North Rhine Westphalia · founded 2017 · 41 employees
$7.4Mraised
▾

Provider of integrated energy concepts for residential and commercial properties. The company delivers solutions for electricity, heating, and mobility, enabling property decarbonization. It facilitates the rollout of solar power, heat pumps, battery storage, and charging infrastructure. The company focuses on connecting photovoltaics with energy storage and intelligent measurement technology.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 7k LinkedIn followers — 7.3% of this cohort's audience
Hiring: 2 hiring posts in 12 mo (public) · momentum +2 · hiring: Offene Position bei Thomas Mausbach im Process & IT-Team
Funding rounds
  • Feb 2022Series A$7.4M
Investors
Wi Venture, EWE, NRW.Bank, Übermorgen Ventures, High Rise Ventures, kopa ventures
Tech stack
Amazon Web ServicesBorlabs CookieGeneratepressGeneratepress Gp PremiumGoogle WorkspaceHsts
#5
Series B · Cologne, North Rhine Westphalia · founded 2009 · 43 employees
$8Mraised
▾

Developer of energy management software for business and residential customers. The software provides energy consumption transparency and analysis. It offers features such as digital twins, document management, and support for dynamic tariffs. The software aims to assist users in reducing energy consumption and promoting energy efficiency.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 4k LinkedIn followers — 3.5% of this cohort's audience
Funding rounds
  • Jan 2020Grant (prize money)$425.6K
  • Aug 2018Series B$3.6M
  • Jan 2016Grant (prize money)$280.8K
  • May 2012Series B$4.4M
Founders & team
Thomas GoetteCEO
Investors
NRW.Bank, betafabrik, Kfw, Rheinland Venture Capital, DEW21, Europa
Tech stack
CloudflareGoogle Font ApiGoogle Hosted LibrariesGoogle Tag ManagerHstsHttp/3
#6
Seed · Dusseldorf, North Rhine Westphalia · founded 2018 · 17 employees
$4.4Mraised
▾

DABBEL designs and develops IoT-based remote energy management systems for commercial buildings. Their systems are integrated with sensors, actuators, and a control cabinet which is claimed to control the building energy systems through self-adapting AI system. Also, it can manage the energy systems through a voice control integrated with biometric authentication. The company also offers installation and maintenance services for these systems.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 3k LinkedIn followers — 3.4% of this cohort's audience
Funding rounds
  • May 2021Seed$4.4M
  • May 2019Grant (prize money)$44.6K
  • 2018Seed—
Founders & team
Javier SatocaCo-FounderAbel GuilloCo-Founder & CEO
Investors
E.ON :agile, Target Global, Seed X Liechtenstein, neosfer, Free Electrons, StartAD
Tech stack
Apple Icloud MailBootstrapCdnjsCloudflareCloudflare Bot ManagementCore-Js
#7
Funding Raised · Dusseldorf, North Rhine Westphalia · founded 2018 · 6 employees
$1.8Mraised
▾

Developer of industrial biogas energy projects

Funding rounds
  • Sep 2020Grant (prize money)$1.8M
Founders & team
Artur SteffenCo-Founder & CEOMartin HuberCEO
Investors
Europa
#8
Funding Raised · Bielefeld, North Rhine Westphalia · founded 2010 · 18 employees
$2.3Mraised
▾

Synavision provides automation solutions for commercial buildings. It also provides solutions for installers or operators for planning, for commissioning and technical monitoring, and for quality management.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 3k LinkedIn followers — 2.6% of this cohort's audience
Funding rounds
  • Jun 2019Grant (prize money)$1.7M
  • Jan 2016Grant (prize money)$574.2K
Founders & team
Claas PinkernellCo-Founder & Managing Director
Investors
Europa, BitStone Capital
Tech stack
AosApache Http ServerAutoptimizeBootstrapCloudflareCloudflare Bot Management
#9
Acquired · Aachen, North Rhine Westphalia · founded 2016 · 59 employees
$60.1Kraised
▾

Provider of energy management systems for residential and e-mobility applications. The company offers solutions to connect, monitor, and control distributed energy resources. It provides energy management for homes and smart electric vehicle charging. The company enables integration of distributed energy resources.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 26k LinkedIn followers — 26.1% of this cohort's audience
Activity: 1 awards announced in 12 mo
Funding rounds
  • Mar 2018Series A—
  • Jan 2018Grant (prize money)$60.1K
Investors
Coparion, innogy.ventures, Vito One, Gabor Cselle, Europa, Free Electrons
Tech stack
Amazon Web ServicesAnt DesignCloudflareCloudflare Bot ManagementGoogle AnalyticsGoogle Tag Manager
#10
Seed · Cologne, North Rhine Westphalia · founded 2010 · 27 employees
—raised
▾

Provider of smart building and energy management solutions. It offers a platform integrating IoT modules, applications, and cloud infrastructure for optimizing building performance and energy efficiency. Solutions are tailored for residential, commercial, and industrial properties, encompassing energy management systems, access control, and smart home features. The company also provides product packages for the real estate and energy sectors, supporting sustainable and digital building transformations. Services extend to building planning, installation, operation, maintenance, and support.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 1k LinkedIn followers
Activity: 1 partnerships (incl. Stadtwerke Duisburg AG) announced in 12 mo
Funding rounds
  • May 2016Seed—
  • Sep 2013Seed—
Investors
Kfw, Born2Grow, Diehl
Tech stack
CdnjsCloudflareCloudflare Bot ManagementGoogle Tag ManagerGoogle WorkspaceHsts
#11
Deadpooled · Dusseldorf, North Rhine Westphalia · founded 2003 · 3 employees
—raised
▾

Provider of smart plugs for homes. These devices are able to identify the load connected and whether they are dimmable or not to choose the optimal control mode. Plugs also measure energy usage and give feedback about the load status. These devices used EnOcean standards to connect to a central hub making them remotely controllable.

Funding rounds
  • Oct 2011Series A—
  • Dec 2009Series A—
Founders & team
Gregor AumannCEO
Investors
HTGF, EnjoyVenture, Basalt Holding & Mangement Bv

Funding & investor landscape

$52.9Mtotal disclosed funding
9companies funded
16disclosed rounds
0rounds last 90 days
Most active investors
Europa4 rounds
German Accelerator3 rounds
BitStone Capital2 rounds
E.ON :agile2 rounds
Free Electrons2 rounds
Future Energy Ventures2 rounds
Kfw2 rounds
NRW.Bank2 rounds
AXON Ivy1 rounds
Adcuram1 rounds

Notable founders

Erik Brummendorf
Co-Founder · Aedifion
Jan Ziegeldorf
Co-Founder · Aedifion
Silvan Siegrist
Co-Founder · Lumoview Building Analytics
Bernhard Hoffschmidt
Co-Founder · Lumoview Building Analytics
Hannes Alte-Teigeler
Co-Founder · epilot
Michel Nicolai
CEO & Founder · epilot
Thomas Goette
CEO · GreenPocket
Javier Satoca
Co-Founder · DABBEL
Abel Guillo
Co-Founder & CEO · DABBEL
Artur Steffen
Co-Founder & CEO · Poligy
Martin Huber
CEO · Poligy
Claas Pinkernell
Co-Founder & Managing Director · synavision
Prism market signals · Germany · country-scoped Prism corpus, 2,310,000 docs

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

RESEARCH SIGNALS · Germany

How research on Energy Efficiency & Buildings is moving in Germany

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 951 Germany-affiliated papers.

research sentiment over time
200920182026
enthusiastic · positive · guarded tone
Tone is overwhelmingly optimistic and softening — the enthusiastic (strongly-positive) share moved 51% → 46% across 2009–2026.
top research entities
  • RWTH Aachen University98
  • Karlsruhe Institute of Technology45
  • Deutsches Zentrum für Luft- und Raumfahrt e. V.44
  • Fraunhofer Institute for Solar Energy Systems44
  • Technical University of Munich36
leading researchers
Dirk Müller · Christian Vering · Georg Frey · Thomas Hamacher · Antonello Monti · Dieter Brüggemann · Manuel Lämmle · Florian Heberle
▲ Breakthroughs169 · 18%
▲ 15%→19% share
▲1.3× share momentum2 median citations62% since 2021mostly methods-led
Breakthroughs are rising (15%→19% of field), led by Heat pump.
rising sub-themes (early→recent)
  • Heat pump6→37
  • Energy management11→22
  • Mechanical engineering1→9
  • Renewable energy6→13
  • Radiative cooling1→7
Newly emergingPassive cooling 0→12 · Daytime 0→6 · Brayton cycle 0→6
Landmark Durable radiative cooling against environmental aging · 316 cites
◆ Advancements570 · 60%
▲ 57%→60% share
▲1.1× share momentum3 median citations59% since 2021mostly methods-led
Advancements are rising (57%→60% of field), led by Heat pump.
rising sub-themes (early→recent)
  • Heat pump51→150
  • Renewable energy21→60
  • Electricity12→38
  • Renewable heat5→31
  • Photovoltaic system6→30
Newly emergingWaste heat 0→14 · Radiative cooling 0→10 · Control theory (sociology) 0→8
Landmark Power-to-heat for renewable energy integration: A review of technologies, modeling approaches, and flexibility potential · 521 cites
▼ Concerns86 · 9%
▼ 12%→8% share
▼0.7× share momentum3 median citations52% since 2021mostly empirical
Concerns are cooling (12%→8% of field), led by Heat pump.
rising sub-themes (early→recent)
  • Heat pump8→25
  • Renewable heat2→6
  • Mechanical engineering1→4
  • Environmental economics2→4
  • Thermal energy storage3→4
Newly emergingProcess engineering 0→6
Landmark High-temperature and transcritical heat pump cycles and advancements: A review · 135 cites
RESEARCH HOTSPOTS · Germany

Where energy efficiency is researched across Germany

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.

Aachen98 · +0.46
Hot · Heat pumpAdvancing · Distributed generationOpportunity · Gas compressorConcern · Electricity
Karlsruhe52 · +0.45
Hot · Heat pumpAdvancing · Air conditioningOpportunity · Nuclear engineering
Munich47 · +0.59
Hot · Power (physics)Advancing · Storage heaterOpportunity · Thermal
Stuttgart45 · +0.48
Hot · Passive coolingAdvancing · ThermalOpportunity · Urban heat island
Jülich/Bonn33 · +0.51
Hot · Waste heatAdvancing · MicrogridOpportunity · Heating system
Dresden31 · +0.45
Hot · Battery (electricity)Advancing · Energy storageOpportunity · RefrigerantConcern · Heat exchanger
Berlin27 · +0.43
Hot · Nuclear engineeringAdvancing · Renewable energyOpportunity · Coefficient of performanceConcern · Heat pump
PATENT SIGNAL · Germany

Who's filing energy efficiency patents in Germany

Germany energy efficiency patent filing is accelerating — 1,253 filings from 609 assignees (2016–2025), led by Robert Bosch, Stiebel Eltron & KG, Siemens; annual filings 107→196.

1,253 filings609 assigneespeak 196/yr2016–2025
filing momentum (YoY 2016–2025)
top patent filers
  • Robert Bosch244
  • Stiebel Eltron & KG174
  • Siemens160
  • BSH Hausgeraete158
  • Vaillant148
  • Efficient Energy140
  • Viessmann Climate Solutions SE68
  • Miele & CIE53

Common questions

How many Energy Efficiency Tech companies are there in North Rhine Westphalia, Germany?
Radar tracks 49 indexable Energy Efficiency Tech companies headquartered in North Rhine Westphalia, Germany that meet our profile-completeness bar.
What is the total funding raised by Energy Efficiency Tech companies in North Rhine Westphalia, Germany?
The Energy Efficiency Tech companies in North Rhine Westphalia, Germany on this list have raised a combined $52.9M in disclosed equity funding across 9 funded companies.
Which is the highest-funded Energy Efficiency Tech company in North Rhine Westphalia, Germany?
Aedifion is the highest-funded Energy Efficiency Tech company in North Rhine Westphalia, Germany, with $13.1M in disclosed equity funding.
How many Energy Efficiency Tech companies in North Rhine Westphalia, Germany are funded?
9 of the 49 Energy Efficiency Tech companies in North Rhine Westphalia, Germany on this list have disclosed at least one equity funding round.
How many Energy Efficiency Tech unicorns are there in North Rhine Westphalia, Germany?
None of the Energy Efficiency Tech companies in North Rhine Westphalia, Germany on this list currently has a disclosed valuation of $1B or more.
Who are the top investors in North Rhine Westphalia, Germany Energy Efficiency Tech companies?
The most active investors in North Rhine Westphalia, Germany Energy Efficiency Tech companies on this list include Europa, German Accelerator, BitStone Capital, E.ON :agile, Free Electrons.
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.

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