Best Energy Companies in Pays de la Loire, France
The 36 best Energy companies in Pays de la Loire, France in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Sunology.
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.
Ranked: Best Energy companies in Pays de la Loire
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Sunology Provider of solar solutions for homes | $11M | 39 mo ago | Series A | — | 2019 | ShopifyGSAPAlpine.js+35 | — | — |
| 2 | The ALTYN group Energy and climate actor committed to the energy, environmental, and digital transition of buildings and… | $5M | 84 mo ago | Series A | Alban Lapierre Founder & CEO | 2004 | WordPressMySQLPHP+32 | — | — |
| 3 | INNOSEA Developer of wind energy projects | $4M | 60 mo ago | Acquired | — | 2012 | WordPress Block EditorWordPressMySQL+18 | 3 patents Underwater pipeline protective sleeves with integrated ballast and rigid coupling systems. | — |
| 4 | ELWAVE Oil and gas exploration and production company | $2M | 68 mo ago | Seed | Pierre Tuffigo Founder & CEO | 2018 | WordPressPleskMySQL+15 | 8 patents Electrical impedance-based detection in conductive media for biomedical diagnostics | — |
| 5 | FARWIND ENERGY Developer of wind energy projects | $2M | 58 mo ago | Seed | Félix Gorintin Chief Operating Officer - Co-founder | 2020 | WordPressMySQLPHP+20 | 27 patents Marine propulsion using tiltable Flettner rotor sail systems | — |
| 6 | Naoden Developer of decentralized green energy production solutions | $2M | 75 mo ago | Seed | Erik Mouille President & CEO | 2015 | — | 2 patents Gas filtration units and filter cleaning processes for industrial air purification | — |
| 7 | FIXATOR Hoist and suspended platforms manufacturer | $560K | 110 mo ago | Late Stage | Bruno Patron CEO & President | 1924 | — | 27 patents Vertical lifting and support devices for construction platforms and personnel. | — |
| 8 | HelioRec Developer of solar energy power projects | $120K | 41 mo ago | Seed | Polina Vasilenko Founder and CEO | 2019 | — | — | — |
| 9 | Sercel Designer & manufacturer of innovative seismic equipment and reservoir monitoring instruments | — | 56 mo ago | Funding Raised | Pascal Rouiller CEO | 1956 | DrupalApple iCloud MailMicrosoft 365+15 | 50 patents Seismic acquisition and control systems for marine and downhole exploration | — |
Top 12 Energy companies in Pays de la Loire
#1
Series A · Saint Herblain, Pays de la Loire · founded 2019 · 15 employees$10.7Mraised▾
Developer and manufacturer of solar products intended to Increase the use of solar energy. The company offers solar products like solar stations and solar roofs, enabling customers to change the climate and their lifestyle.
- Jun 2023Series A$10.7M
#2
Acquired · Nantes, Pays de la Loire · founded 2012 · 49 employees$4.2Mraised▾
Developer of wind energy projects
- Sep 2021Grant (prize money)$508.5K
- Jan 2021Grant (prize money)$487.7K
- Jan 2020Grant (prize money)$326.2K
- Jan 2020Grant (prize money)$178.4K
#3
Seed · Nantes, Pays de la Loire · founded 2019 · 5 employees$120Kraised▾
Developer of solar energy power projects
- Apr 2023Seed—
- Aug 2022Seed—
- Jul 2022Seed—
- Jun 2022Seed$120K
#4
Seed · Nantes, Pays de la Loire · founded 2020 · 17 employees$2.3Mraised▾
Developer of wind energy projects
- Nov 2021Seed$2.3M
#5
Seed · Carquefou, Pays de la Loire · founded 2018 · 13 employees$2.4Mraised▾
Oil and gas exploration and production company
- Jan 2021Seed$2.4M
- Dec 2020PE—
#6
Seed · Nantes, Pays de la Loire · founded 2015 · 20 employees$2Mraised▾
Developer of decentralized green energy production solutions. This company designs and manufactures equipment for producing green energy from locally sourced waste and biomass using gasification technology. The solutions offered include cogeneration plants and smaller-scale units suitable for various industrial and municipal applications. A focus on a circular economy model is integrated into the design and implementation of these systems, aiming to minimize environmental impact and maximize resource recovery. The company provides support throughout the project lifecycle, from initial assessment to installation and commissioning.
- Jun 2020Seed$1.8M
- Mar 2020Seed$132.9K
#7
Series A · Nantes, Pays de la Loire · founded 2004$5.5Mraised▾
It is a company engaged in the energy and climate transition of buildings and territories. They focus on improving the energy performance of buildings and offer a range of services in the field.
- Sep 2019Series A$5.5M
#8
Late Stage · Angers, Pays de la Loire · founded 1924 · 23 employees$559.7Kraised▾
Manufacturer of hoists and suspended platforms intended to serve the building, elevators and wind power sectors. The company designs temporary suspended scaffolds, individual cradles and attachment systems for façade works on buildings as well as produces a wide range of electric, manual and pneumatic hoists intended for industrial use, personnel lifting or equipment lifting applications, enabling clients to get reliable fixtures for real estate and heavy construction and procure ease of work.
#9
Funding Raised · Nantes, Pays de la Loire · founded 1956 · 897 employees—raised▾
High-tech solutions provider for subsurface exploration. It designs and manufactures equipment for various sectors. These include earth and infrastructure monitoring, energy transition projects, defense applications, oil and gas exploration, and marine logistics. The company offers asset optimization services, operational excellence support, and training programs. Its products aid in accurate land seismic data acquisition and subsurface data fidelity. They also provide solutions for structural monitoring and environmental responsibility in marine operations. The company's expertise extends to site ranking for land project support, utilizing a Storage Site Quality Index (SSQI).
#10
Funding Raised · Angers, Pays de la Loire · founded 1990—raised▾
Provider of French environment and energy management services
#11
Acquired · La Ferte-Bernard, Pays de la Loire · founded 1925 · 75 employees—raised▾
Designer and manufacturer of precision meters for measuring liquid and gas flows intended to serve the oil and gas, aerospace and other related industry. The company specializes in using a state-of-the-art calibration flow lab to design a quality helical turbine and ultrasonic flow meters for liquid measurement, enabling the clients to greatly improve efficiency while reducing the total cost of equipment ownership.
#12
Funding Raised · Saint-Berthevin, Pays de la Loire · founded 1964 · 850 employees—raised▾
Manufacturer of arc welding machines, battery chargers, and body repair equipment. The company designs, manufactures, and sells equipment for welding, battery maintenance, and vehicle bodywork. Product lines include solutions for arc welding, battery charging, collision repair, and induction heating. The company offers a range of equipment and accessories.
Funding & investor landscape
Notable founders
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
How research on Grid Energy Storage is moving in France
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 899 France-affiliated papers.
- Centre National de la Recherche Scientifique303
- École Polytechnique Fédérale de Lausanne72
- Université Grenoble Alpes43
- Commissariat à l'Énergie Atomique et aux Énergies Alternatives39
- Réseau sur le Stockage Electrochimique de l'énergie36
- Battery (electricity)2→41
- Supercapacitor4→40
- Electrolyte1→33
- Cathode1→29
- Electrode1→28
- Battery (electricity)8→97
- Renewable energy10→82
- Photovoltaic system4→54
- Electrolyte1→45
- Microgrid4→47
- Renewable energy3→24
- Photovoltaic system1→12
- Electrochemistry1→10
- Electrolyte2→9
- Cathode1→8
Where energy storage is researched across France
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.
Who's filing energy storage patents in France
France energy storage patent filing is accelerating — 712 filings from 363 assignees (2016–2025), led by BLUE Solutions, Commissariat Energie Atomique, Peugeot Citroen Automobiles; annual filings 76→92.
- BLUE Solutions181
- Commissariat Energie Atomique86
- Peugeot Citroen Automobiles74
- Batscap68
- Valeo Systemes Thermiques64
- Valeo Equip Electr Moteur52
- Centre NAT RECH Scient41
- Renault SAS39
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.