Best Renewable Energy Tech Companies in France
The 97 best Renewable Energy Tech companies in France in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Elyse Energy.
Ranking the top Renewable Energy Tech companies in France by disclosed equity funding, this directory tracks 97 ventures that have collectively pulled in $584M — real capital, not projected market share. The sector's ceiling looks substantial: Allied Market Research puts the global renewable energy tech market at roughly $4.6B by 2032, growing at a 23.2% CAGR, driven by clean-energy mandates and AI-optimized grid models. Elyse Energy sits at the top of our list with $221M in disclosed funding, a figure that dwarfs the next tier. NewHeat follows at $56M, and Optimum Tracker at $11M. That gap tells you something about where conviction is concentrating.
So what's moving underneath the funding numbers? Energy app installs are up a median 28% year-over-year across 195 tracked apps, and coverage of themes like solar electricity generation and next-generation EV platforms keeps accelerating, as recent commentary on renewable energy innovations reflects. I'd note that France's regulatory posture, including enforced low-emission mandates, is doing real work here, funneling institutional capital through backers like Bpifrance and the EIC Fund. No unicorns yet in this cohort. But the funding momentum, and the policy tailwinds behind it, suggest that gap won't last forever.
- einpresswire.com
Ranked: Best Renewable Energy Tech companies in France
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Elyse Energy Production of e-methanol and sustainable aviation fuel | $221M | 18 mo ago | — | Stephane Guillard Co-Founder & CFO | WordPressApple iCloud MailMicrosoft 365+31 | Top 5M | — | — |
| 2 | Lhyfe Manufacturer of renewable hydrogen produced through water electrolysis and electricity | $97M | 50 mo ago | 195 195 → 188 (-4%) | Matthieu Guesne Founder & CEO | WordPressZohoMySQL+24 | Top 5M | — | 2 partnerships · 1 expansion |
| 3 | NewHeat Provides solar heat and waste heat recovery solutions | $56M | 31 mo ago | 39 | Pierre Delmas Co-Founder & Technical Director | WordPressMySQLPHP+15 | Top 10M | 5 patents Control and modulation of output power in solar‑thermal power plants | — |
| 4 | Beem Residential solar panel manufacturer and monitoring solution provider | $32M | 36 mo ago | 40 | Ralph Feghali Co-founder & CEO | Cart FunctionalityShopifyTailwind CSS+29 | Top 500k | 3 patents Adjustable solar panel orientation and performance measurement for photovoltaic installations. | 1 job opening |
| 5 | Sunpartner Technologies Provider of photovoltaic solutions to integrated mobile products and connected devices | $30M | 125 mo ago | 85 | — | — | — | 179 patents Patents concentrated in electrical & electronics | — |
| 6 | Leosphere Manufacturer of wind and aerosol LIDAR equipment | $30M | 145 mo ago | 125 | — | — | — | 55 patents Patents concentrated in computing, sensing & instrumentation | — |
| 7 | Sunna Design Manufacturer of solar lighting solutions for public and private sector | $16M | 69 mo ago | 60 | — | WordPressMySQLPHP+31 | Top 5M | 32 patents Dynamic control and energy management for autonomous electrical equipment and lighting systems | — |
| 8 | Optimum Tracker Provider of software-controlled solar trackers | $11M | 20 mo ago | 27 | — | WebflowYouTubeGSAP+12 | Top 10M | 54 patents Dual‑face photovoltaic module orientation and tracking control systems for solar arrays | 1 launch |
| 9 | Granular Online renewable energy certificate management marketplace | $10M | 32 mo ago | 25 | Toby Ferenczi Co-Founder | PrismicNode.jsVue.js+14 | Top 50M | — | 1 partnership |
| 10 | SABELLA Developer of submerged tidal turbines | $8M | 48 mo ago | 43 | — | — | — | 21 patents Marine hydrokinetic turbine blades, flow deflectors, and subsea cable fixation systems | — |
| 11 | XSun Provider of solar-powered autonomous UAVs for multiple applications | $8M | 45 mo ago | 21 | Benjamin David XSun CEO | WordPressMySQLPHP+14 | Top 50M | 7 patents Solar-powered tandem‑wing aerial drones integrating photovoltaic cells for sustained flight | — |
| 12 | BioEnTech Bioprocessing monitoring solution for biogas plants | $7M | 112 mo ago | 14 | — | — | — | 11 patents Anaerobic digestion substrate monitoring and biodegradation prediction | — |
| 13 | Cryo Pur Biogas to bio-LNG and liquid CO2 production system manufacturer | $7M | 109 mo ago | 19 | Denis Clodic Founder & CTO | — | — | 57 patents Cryogenic gas liquefaction, separation, and cooling technologies for methane, CO₂, H₂S, NOx. | — |
| 14 | Genvia Developer of solid oxide electrolysis systems for industrial decarbonisation solutions | $5M | 35 mo ago | 70 | Florence Hognon CEO | WordPressMySQLPHP+19 | Top 50M | 82 patents High‑temperature electrolysis hardware and steam generation for solid‑oxide hydrogen production | — |
| 15 | Dracula Technologies Manufacturer of organic photovoltaic modules for battery-free, low-power electronic devices | $4M | 8 mo ago | 30 | — | Cart FunctionalityWooCommerceWordPress+38 | Top 5M | 5 patents Patents concentrated in electrical & electronics | 1 launch · 1 expansion |
| 16 | SuperGrid Institute Provider of research, testing, expertise, and consulting for power transmission | $4M | 31 mo ago | — | Hubert LA Grandiere CEO | WordPressMySQLPHP+31 | Top 10M | — | — |
| 17 | EEL Energy Developer of the EEL Tidal Energy Converter to harness tidal current energy | $4M | 45 mo ago | 8 | — | — | — | 28 patents Hydrokinetic energy capture devices and power‑electronics converters for DC generation. | — |
| 18 | BW Ideol Provider of floating offshore wind energy platforms | $4M | 5 mo ago | 74 | — | DrupalPHPNginx+8 | Top 10M | 59 patents Marine rope core coating technologies and offshore turbine launch systems | 1 expansion |
| 19 | MyJouleBox Developer of energy generation hardware to harness solar energy to produce electricity | $4M | 58 mo ago | 6 | Paul Berthomieu Founder | Node.jsLeafletUbuntu+11 | Top 50M | — | 1 partnership · 1 expansion |
| 20 | SolTiles Manufacturer of innovative solar roofing technology and solar panels | $3M | 92 mo ago | — | Tom Faust CEO | — | — | 2 patents Quick-release mounting systems for photovoltaic roof tiles | — |
| 21 | Enogia Developer of waste heat recovery systems | $3M | 79 mo ago | 62 | Arthur Leroux CEO | WordPressMySQLPHP+17 | Top 10M | 66 patents Patents concentrated in mechanical & energy engineering | — |
| 22 | Zephy-Science Open source based wind farm modeling software | $3M | 104 mo ago | 2 | Tristan Clarenc CEO | — | — | — | — |
| 23 | MyLight Systems Provider of app-based connected solar panels | $2M | 68 mo ago | 43 | Ondine Suavet Co-Founder & CEO | Node.jsLeafletGoogle Maps+17 | Top 1M | — | 2 partnerships |
| 24 | Epsiline Laser based wind measurement solutions | $2M | 153 mo ago | 9 | — | — | — | 31 patents Laser‑based wind‑speed measurement and amplification for Doppler anemometry systems | 1 expansion |
| 25 | Imeon Energy Manufacturer of solar inverters with AI capability | $2M | 122 mo ago | 17 | — | WordPressMySQLPHP+22 | Top 5M | 9 patents Electrical installation and power management systems for distribution and control of electricity. | — |
| 26 | Open Ocean Marine based analytics solutions | $2M | 132 mo ago | 14 | Jerome Cuny Founder & CEO | — | — | — | — |
| 27 | Solteo Saas based solar energy project portfolio management software | $2M | 19 mo ago | — | Manon Hias Co-Founder & CEO | WebflowGSAPcore-js+17 | Top 5M | — | 2 launchs |
| 28 | Comwatt Manufacturer of energy management systems for residential and commercial use | $1M | 135 mo ago | 51 | — | WordPressMySQLPHP+28 | Top 5M | 2 patents Smart grid control and optimization of distributed electricity generation and consumption | 1 internship |
| 29 | Sevil Developer of levitated flywheel energy storage system | $1M | 159 mo ago | — | Michel Saint Mleux Co-Founder | — | — | — | — |
| 30 | Crosslux BIPV solar systems developer | $1M | 127 mo ago | — | Pierre-Yves Thoulon Co-Founder | — | — | 22 patents Semitransparent thin‑film photovoltaic modules for solar glazing applications. | — |
| 31 | SupAirVision Provider of AI, cloud, and drone-based wind turbine monitoring solutions | $1M | 54 mo ago | 10 | Sebastien Arnould Founder & CEO | UbuntuAnimate.cssTailwind CSS+14 | Top 50M | 9 patents UAV contact‑based structural measurement and composite material defect detection systems | 1 award |
| 32 | Reuniwatt Solar photovoltaic power production forecasting specialist | $1M | 77 mo ago | 24 | — | WordPress Block EditorWordPressMySQL+21 | Top 50M | 24 patents AI-driven detection of photovoltaic installations and vertical atmospheric humidity profiling | 1 partnership |
| 33 | Steadysun Provider of solar and wind energy forecasting via an API | $687K | 145 mo ago | 26 | — | WordPressMySQLPHP+23 | Top 50M | — | — |
| 34 | Elogen Manufacturer of proton exchange membrane electrolysers for green hydrogen production | $479K | 52 mo ago | 60 | Jean Choimet Managing Director | WordPressMySQLPHP+13 | Top 50M | 17 patents Advanced water electrolysis hardware: cell spacers, vertical reactors, cooling, rapid gas detection. | — |
| 35 | Sereema Provides solutions for wind generation efficiency | $340K | 90 mo ago | 15 | Jérôme Imbert CEO | — | — | 7 patents Condition monitoring and diagnostic analysis of wind turbine rotor unbalance | 1 partnership |
| 36 | Lumo Crowd lending platform for energy projects | $120K | 136 mo ago | 14 | — | TinyMCEChart.jsBootstrap+31 | Top 5M | — | 1 expansion |
| 37 | Vortex Wind modeling solutions provider | $117K | 84 mo ago | — | — | WordPressMySQLPHP+30 | Top 5M | 12 patents GNSS‑based precipitation quantification and real‑time water‑course monitoring systems | — |
| 38 | Energiestro Flywheel energy storage solution developer | $110K | 120 mo ago | 7 | — | — | — | 36 patents Flywheel-based kinetic energy storage systems with concrete containment structures | — |
Top 12 Renewable Energy Tech companies in France
#1
Series A · Lyon, Auvergne Rhone Alpes · founded 2020$220.8Mraised▾
Production of e-methanol and sustainable aviation fuel. It specializes in the production of low-carbon molecules. It uses carbon capture and green hydrogen production technologies by water electrolysis to produce synthetic molecules from low-carbon electricity. It offers solutions for various industries, including industrial, maritime, and aviation transportation.
- Dec 2024Series A$126.1M
- Jan 2024Grant (prize money)$94.7M
- Sep 2023Seed—
#2
Seed · La Ciotat, Provence Alpes Cote d Azur · founded 2010 · 74 employees$3.9Mraised▾
Provider of floating offshore wind energy platforms. It offers a Damping Pool - a technology that optimizes the stability and performance of the floating wind turbine. Additionally, it offers FloatGen and Hibiki.
- Jan 2026Seed—
- Jan 2021Grant (prize money)$393.7K
- Sep 2020Grant (prize money)$58.5K
- Oct 2018Grant (prize money)$2.9M
#3
Series A · Valence, Auvergne Rhone Alpes · founded 2011 · 30 employees$4.4Mraised▾
Manufacturer of organic photovoltaic modules for battery-free, low-power electronic devices. The company provides organic photovoltaic technology that converts ambient light into electricity. These modules integrate into products, enabling self-sufficiency and eliminating battery replacement. The company offers prototyping and pre-series development to validate concepts. It also provides ready-made products and licensing options for manufacturers and integrators.
- Oct 2025Series A$35M
- 2022Grant (prize money)$7.5M
- May 2020Seed$2.4M
- Nov 2017Grant (prize money)—
#4
Series A · France · founded 2009 · 27 employees$10.9Mraised▾
Provider of software-controlled solar trackers. The solar tracker is a mount for PV modules, that allows to track the sun to increase the output of utility-scale PV power plants. Product offerings include 'O-track Hz' it is a horizontal single-axis tracker, O-tracker agri' - is a tracker used in agricultural projects.
- Oct 2024Series A$10.9M
#5
Series B · Bordeaux, Nouvelle Aquitaine · founded 2015 · 39 employees$56.1Mraised▾
Provides solar heat and waste heat recovery solutions. It designs and operates renewable heat production and recovery plants and provides solutions for industrial sites, urban heating networks, and market garden greenhouses.
- Nov 2023Series B$32.7M
- Dec 2021Series A$7.9M
- Dec 2021Grant (prize money)$5.1M
- 2020Series A$13.4M
#6
Seed · Paris, Ile de France · founded 2023$1.6Mraised▾
Saas based solar energy project portfolio management software. It provides a digital platform for the solar energy industry, helping to digitize and streamline processes for installers and customers. It allows users to monitor projects and plan site visits. Its features include project management, quotation, and installation tracking.
- Nov 2024Seed$1.6M
#7
Public · Nantes, Pays de la Loire · founded 2017 · 195 employees$96.9Mraised▾
Manufacturer of renewable hydrogen produced through water electrolysis and electricity. This process utilizes renewable energy sources to split water into hydrogen and oxygen. The resulting gas is purified and compressed for use in industrial applications and transportation sectors. Production units are designed for onshore, on-site, or offshore deployment to supply fuel for vehicles and industrial facilities.
- Apr 2022Series A$10.9M
- Feb 2022Series A$19.2M
- Oct 2021Grant (prize money)$5.5M
- Oct 2021Grant (prize money)$8.3M
#8
Series A · Roubaix, Hauts de France · founded 2018 · 40 employees$31.8Mraised▾
Residential solar panel manufacturer and monitoring solution provider. It offers a self-consumption solar kit that can be installed at the customer's house. It also offers a smartphone app that monitors the energy production and consumption.
- May 2023Conventional Debt—
- May 2023Series A$21.4M
- Oct 2021Series A$8.1M
- 2019Seed$2.2M
#9
Seed · Paris, Ile de France · founded 2021 · 25 employees$10Mraised▾
Online renewable energy certificate management marketplace. The platform helps to connect buyers directly with renewable energy producers to source certificates. It allows users to manage the portfolio of certificates, buy and sell hourly certificates, and more.
- Oct 2023Seed$7.9M
- May 2023Grant (prize money)—
- Jun 2022Seed$2.1M
#10
Funding Raised · Villeurbanne, Auvergne Rhone Alpes · founded 2014$4.2Mraised▾
Provider of research, testing, expertise, and consulting for power transmission. The company offers technology transfer, applied research, and licensing. It delivers testing services using high-end test platforms. The company resolves technical challenges, identifies improvements, and optimizes solutions. It engages in education at every level to promote understanding of technologies.
- Nov 2023Grant (prize money)$179.3K
- Apr 2022Grant (prize money)$210.4K
- Jan 2021Grant (prize money)$595.6K
- Sep 2019Grant (prize money)$965.6K
#11
Funding Raised · France · founded 2021 · 70 employees$5.4Mraised▾
Developer of solid oxide electrolysis systems for industrial decarbonisation solutions. The company engineers solutions for reducing carbon emissions in industries facing complex decarbonisation challenges. These systems produce hydrogen with reliability and energy efficiency. They support the low-carbon production of industrial gases and the synthesis of e-molecules.
- Jul 2023Grant (prize money)$5M
- Apr 2023Grant (prize money)$179.4K
- Dec 2022Grant (prize money)$219.6K
#12
Series A · Guerande, Pays de la Loire · founded 2016 · 21 employees$7.8Mraised▾
Provider of solar-powered autonomous UAVs for multiple applications. It manufactures solar-powered drones for commercial applications. It also offers drone research and development services. It caters to agriculture, maritime, law enforcement, and public safety industries.
- Sep 2022Series A$5M
- Feb 2022Grant (prize money)$56.3K
- Jan 2022Seed$2.8M
- Feb 2020Grant (prize money)$2.1M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Renewable Energy Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.