Best Energy Efficiency Tech Companies in Paris, France
The 51 best Energy Efficiency Tech companies in Paris, France in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Deepki.
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 Paris
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Deepki SaaS-driven solutions for energy monitoring for buildings | $177M | 52 mo ago | 5 | Vincent Bryant Co-Founder & CEO | WordPressApple iCloud MailGoogle Workspace+18 | Top 5M | — | 1 award |
| 2 | METRON Developer of energy management and optimization system for various sectors 50Funding top 27%Moat top 31%Growth top 35%Market bottom 49% All 7 signals ▾Fundingtop 27% Moattop 31% Growthtop 35% Marketbottom 49% Talentbottom 49% Globalbottom 39% Techbottom 37% Funding: Raised $46.4M across 5 rounds · 5 rounds over 8 yrs (0.6/yr) Moat: Editorial + unicorn rating 8/10 · Soonicorn rank vs industry peers · Fliar Intelligence Index 50/100 | $46M | 20 mo ago | 172 | Vincent Sciandra CEO | WordPressMySQLPHP+17 | Top 10M | — | 1 award |
| 3 | WeMaintain Provider of elevator maintenance services | $46M | 31 mo ago | 180 | Tristan Foureur Co-Founder & CTO | PrismicApple iCloud MailGoogle Workspace+24 | Top 5M | 5 patents Optical smoke detection systems employing scattered radiation techniques | 2 job openings · 1 expansion |
| 4 | Effy Online platform offering home renovation energy efficiency solutions and financial aid options for homeowners | $23M | 40 mo ago | 299 | Frederic Utzmann Co-Founder & CEO | Apple iCloud MailMicrosoft 365TypeScript+21 | Top 500k | — | — |
| 5 | Hello Watt Online platform for utility cost comparison | $13M | 32 mo ago | 98 | Sylvain Falher Founder & CEO | SentryApple iCloud MailGoogle Workspace+16 | Top 100k | — | — |
| 6 | Beeldi Asset management platform for building energy and regulatory diagnosis | $10M | 44 mo ago | 44 | Kevin Port Co-Founder & CEO | — | — | — | — |
| 7 | Advizeo Provider of energy management solutions for commercial applications | $6M | 58 mo ago | 102 | — | WordPressMySQLPHP+25 | Top 5M | — | 1 launch |
| 8 | Kelvin Platform for energy management | $5M | 25 mo ago | — | Clementine Lalande Founder & CEO | WebflowReactLodash+16 | Top 5M | — | — |
| 9 | Luniwave Provider of an energy monitoring platform | $4M | 3 mo ago | — | Eloi Bonte Co-Founder | WebflowYouTubePreact+12 | Top 50M | — | — |
| 10 | Mobility Work Provider of computerized maintenance management solution 45Tech top 20%Talent top 38%Growth top 45%Product bottom 48% All 7 signals ▾Techtop 20% Talenttop 38% Growthtop 45% Productbottom 48% Fundingbottom 41% Marketbottom 34% Globalbottom 32% Tech: 53 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon Web Services Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 45/100 | $3M | 45 mo ago | 30 | Marc-Antoine Talva Co-Founder | WordPressMySQLPHP+30 | Top 5M | — | 1 launch |
| 11 | Airthium Provider of heat pumps | $3M | 28 mo ago | 13 | — | Node.jsVarnishAnt Design+5 | Top 50M | 2 patents Rapid quasi‑isothermal gas compression/expansion devices for energy storage | — |
| 12 | Eficia Designer of PLC-based devices and cloud applications for energy monitoring of buildings | $2M | 126 mo ago | 100 | Alric Marc Founder & CEO | WordPressMySQLPHP+35 | Top 10M | — | 1 launch · 1 partnership |
| 13 | Agronergy Firm engaged in design and installation of biomass boilers | $2M | 91 mo ago | 30 | Stephane Vidaillet Chief Executive Officer | Cart FunctionalityWordPressMySQL+18 | Top 50M | — | 2 job openings · 1 internship |
| 14 | Hxperience Online energy management service for commercial and industrial buildings | $2M | 101 mo ago | 16 | Claude F Co-Founder | WordPressMySQLPHP+29 | Top 10M | — | — |
| 15 | Uptime SaaS-driven predictive maintenance for building systems | $980K | 112 mo ago | 67 | — | — | — | 2 patents Real-time data correlation and monitoring systems for industrial process control | — |
| 16 | Glowee Provider of bioluminescent lighting solutions | $678K | 38 mo ago | 25 | Sandra Rey Founder & CEO | WordPressMySQLPHP+17 | Top 50M | 10 patents Engineered bioluminescent proteins and bacterial systems for sustainable lighting of façades and decorative panels. | — |
| 17 | eyeGauge Provider of IoT-based solution for building energy management | $575K | 31 mo ago | 6 | Viktoriia Kobenko Co-founder & CTO | — | — | 9 patents Rotating shaft torque/thrust measurement and AI-driven non‑intrusive equipment condition monitoring. | — |
| 18 | EGreen Home energy management platform | $551K | 139 mo ago | — | Jeremie Jean Founder | Wix eCommerceWixSentry+19 | Top 10M | — | — |
| 19 | Condor Energy Provider of an energy operating system for industrial and commercial clients | $500K | 7 mo ago | — | Florian Perocheau Co-Founder & CPO | — | — | — | — |
| 20 | Sensewaves Offering time-series analytics solutions for the Internet of Things (IoT) and Smart Grid | $161K | 10 mo ago | 6 | — | — | — | — | — |
Top 12 Energy Efficiency Tech companies in Paris
#1
Seed · Paris, Ile de France · founded 2021$4.2Mraised▾
Provider of an energy monitoring platform. It provides solutions to measure and enhance customers' savings. It tracks consumption and savings in real time, and visualize the return on investment.
- Apr 2026Seed$4.2M
#2
Series B · Paris, Ile de France · founded 2013 · 172 employees$46.4Mraised▾
Developer of energy management and optimization system for various sectors. The system helps organizations monitor energy performance and carbon impact reduction. It allows teams to detect optimization opportunities and monitor progress. The system provides visualization of energy costs to manage net-zero strategies.
- Nov 2024Series B$13.1M
- Jul 2021Series B$21.3M
- Jun 2019Series A$11.4M
- Oct 2018Series A$9.2M
#3
Seed · Paris, Ile de France · founded 2026$500Kraised▾
Provider of an energy operating system for industrial and commercial clients. The system helps clients monitor, forecast, and hedge energy exposure. It also optimizes procurement and consumption using data-driven strategies. The operating system aggregates consumption data, power purchase agreements, and market data into real-time dashboards. It also analyzes load data to detect flexibility and quantify return on investment.
- Jan 2026Seed$500K
#4
Acquired · Paris, Ile de France · founded 2017 · 180 employees$46.1Mraised▾
Provider of elevator maintenance services. It offers elevator & lifts maintenance, repair services, and supply spare parts for equipment. The company offers solutions for commercial buildings, corporates, residential communities & more. It provides services through its online B2B platform to connect, and access customer queries.
- Dec 2023Series B—
- Jun 2021Series B$35.8M
- Apr 2019Series A$7.9M
- Feb 2018Seed$2.5M
#5
Series C · Paris, Ile de France · founded 2014 · 5 employees$177Mraised▾
SaaS-driven solutions for energy monitoring for buildings. The company collects data from customers and do the analysis for energy improvement measures and provides a dashboard with appropriate action plans.
- Mar 2022Series C$165.7M
- Jun 2019Series B$9M
- Jun 2016Series A$2.3M
- 2015Seed—
#6
Seed · Paris, Ile de France · founded 2015 · 6 employees$160.6Kraised▾
Sensewaves makes connected assets smarter by transforming raw sensor data into impactful insights. Sensewave platform provides a complete time-series, streaming analytics solution through a set of predictive, prescriptive and trend analysis tools for energy and lifecycle management applications with a focus on real-time, context-aware anomaly detection for industrial and mission-critical applications. Using their analytics solution it offers dynamic grid optimization, asset management, real-time load balancing, building and residential analytics.
- Sep 2025Seed—
- Apr 2015Grant (prize money)$160.6K
#7
Series A · Paris, Ile de France · founded 2023$5.4Mraised▾
Platform for energy management. It estimates the energy performance of home and suggests initial recommendations for work.
- Jun 2024Series A$5.4M
#8
Series B · Paris, Ile de France · founded 2017 · 98 employees$12.9Mraised▾
Online platform for utility cost comparison. Services offered include providing a list of energy providers to choose from along with assistance with the energy contract. Consumers can upload energy usage data to the website, following which the list of suppliers is provided with options for contracts.
- Nov 2023Series B$12.9M
#9
Series A · Paris, Ile de France · founded 2008 · 299 employees$22.5Mraised▾
Online platform offering home renovation energy efficiency solutions and financial aid options for homeowners. It offers a range of services including insulation (walls, attics, roofs, windows), heating system upgrades (heat pumps, boilers, stoves), and solar panel installations. The company provides project analysis, work execution, and assistance with managing energy consumption. They also offer support with accessing government grants and incentives for home renovations. Their services aim to improve home comfort and reduce energy bills.
- Mar 2023Series A$21.7M
- Jan 2009Seed$842.4K
#10
Series A · Paris, Ile de France · founded 2015 · 13 employees$3.4Mraised▾
Provider of heat pumps. It uses iso-thermal gas compression solution to achieve a near-ideal Ericsson cycle for heating purposes.
- Mar 2024Series A$3.2M
- 2017Seed$120K
#11
Series A · Paris, Ile de France · founded 2018 · 44 employees$9.8Mraised▾
Asset management platform for building energy and regulatory diagnosis. The platform digitizes wealth management and allows users to manage their auction plan, budget allocation, energy consumption, and more. It offers solutions for building maintainers, building managers, auditors, and more. The company's clientele includes Agoranov, WILCO, and Real Estech among others.
- Nov 2022Series A$8.3M
- Mar 2020Seed$1.5M
#12
Series A · Paris, Ile de France · founded 2016 · 30 employees$3.4Mraised▾
Next Gen is an online platform that lets professionals in the field of computerized maintenance management connect. It also offers a solution to manage & automate their tasks. It enables users to log information related to maintenance activities, store data in the cloud, share maintenance plans & ideas with other professionals, and more. The company's app is available for iOS and Android phones. It offers monthly pricing options.
- Oct 2022Series A$1.9M
- Oct 2018Seed$1.4M
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 in Paris is moving
A read on the academic research around Energy Efficiency in Paris — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 52 papers.
- École Nationale Supérieure des Mines de Paris11
- Université Paris Sciences et Lettres7
- Laboratoire de Génie Électrique et Électronique de Paris6
- Université Paris-Saclay6
- CY Cergy Paris Université4
- Energy management3
- Microgrid2
- Energy storage2
- Energy management system2
- Wind power2
- Battery (electricity)1→3
- Energy management system3→5
- Microgrid2→3
- Heat pump1
- Electricity1
- Life-cycle assessment1
- Greenhouse gas1
- Environmental economics1
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.