What Voltec Solar does

Voltec Solar is a French photovoltaic module manufacturer founded in 2009 and headquartered in Dinsheim-sur-Bruche, Alsace, operating a ~500 MW stated production capacity from a single manufacturing site approximately 30 km from Strasbourg. The company designs and assembles crystalline silicon photovoltaic modules under the Tarka product line, including monofacial and bifacial configurations across multiple form factors (Tarka 80/88/110/120/126/138), the RG5-certified hail-resistant Tarka Diamant, the proprietary colored Tarka Rubis line, and a TOPCon technology range supplied with cells from Japanese partner TOYO. Underlying technology emphasizes eco-design — antimony- and arsenic-free glass with up to 19% recycled content, fluorine-free backsheets, low-carbon manufacturing (530 kgCO2/kWc), and ~450 km average European component sourcing distance — alongside durability validated by CEA crash-testing and a 30-year dual product and performance guarantee.

The company's business model is centered on one-time hardware sales of solar modules, with no recurring revenue component on the modules themselves. Go-to-market is primarily B2B through a domestic France-only network of certified installers, regional distributors, and dedicated 'chargés d'affaires' account managers serving professional, enterprise, and local-authority buyers, supplemented by direct-to-consumer website traffic that routes homeowners into the installer directory. The customer base spans individual French homeowners, professional installers and developers, local authorities and collectivités, and agricultural/C&I segments (the latter notably served by the Tarka Diamant). Pricing is not publicly disclosed but is implied at ~€7,000 for a typical 3 kWc residential installation, with a 5.5% reduced VAT rate now applicable after Voltec became the first manufacturer to qualify under the October 2025 carbon-threshold regulation.

Strategically, Voltec Solar is in an active expansion phase: a November 2025 partnership with TOYO targets 1 GW of module capacity by 2027, the company is participating in the IPVF STaFF project to industrialize 4T tandem perovskite/silicon modules in France, and the Dinsheim production line is being modernized with approximately fifty new jobs. Revenue and headcount figures are not publicly disclosed; the company operates as a privately-held SAS under French law with no disclosed external funding rounds.

Name

Voltec Solar

Legal name

VOLTEC Solar SAS

Website

https://voltec-solar.com

Company type

Private

Founded year

2009

Operating status

Operating

Headcount range

11–50 employees

Short description

Voltec Solar is a French photovoltaic module manufacturer founded in 2009, producing monocrystalline, bifacial, and TOPCon solar panels from its Dinsheim-sur-Bruche facility. It sells primarily through a certified installer and distributor network serving residential, commercial, agricultural, and public-sector customers across France.

Ownership category

akta.pro rank

Product category

Photovoltaic Module Manufacturing

NAICS

Power, Distribution, and Specialty Transformer Manufacturing (335311), Wiring Device Manufacturing (33593)

SIC

Power, Distribution & Specialty Transformers (3612)

akta.pro primary industry

Solar PV Module Manufacturing (Cells, Modules, Thin-Film) (EUAMABAD)

akta.pro secondary industries

Solar PV Module & Cell Manufacturing (Crystalline, Thin-Film) (EUAMAHAA), Next-Gen Photovoltaics R&D (Perovskite, Tandem, Organic, BIPV Materials) (EUAMAOAA)

Keywords

• Photovoltaic modules
• Solar panel manufacturing
• Residential solar systems
• Bifacial solar modules
• TOPCon solar cells

Headquarters

HQ city

Dinsheim

HQ country

France

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Photovoltaic Module Sales: Voltec Solar designs, manufactures and sells crystalline silicon photovoltaic modules (residential, tertiary, and commercial) directly to installers, distributors, and end customers. Revenue is generated through one-time product sales of modules, with no recurring revenue component for the hardware itself. Professional customers (installers, distributors) purchase through a B2B channel while individual homeowners can purchase directly or through the installer network.
2. B2B Services to Installer/Distributor Network: Voltec Solar provides technical support, training, marketing materials (communication kit), and after-sales service to its network of installers and distributors across France, strengthening the B2B relationship and driving module sales through the channel.

Pricing tiers

Go-to-market motion3 records

Distribution channels6 records

Marketing channels8 records

Core offering

Voltec Solar designs and manufactures crystalline silicon photovoltaic solar modules under the Tarka product line at its Dinsheim-sur-Bruche facility in Alsace, France. The portfolio includes residential, tertiary, and commercial modules in monofacial and bifacial configurations, with specialty variants such as the hail-resistant Tarka Diamant (RG5 certified) and the aesthetically colored Tarka Rubis. Modules are sold B2B through certified installers, distributors, and direct account managers, with consumer inquiries handled via the company website and redirected to the installer network.

Product overview

Voltec Solar is a French manufacturer of photovoltaic solar panels offering the Tarka product line as its core portfolio. The Tarka family includes various module series (Tarka 80/88/110/120/126/138) in monofacial and bifacial configurations, specialized variants like the hail-resistant Tarka Diamant (RG5 certified) and aesthetic Tarka Rubis colored modules, and the TOPCon technology line developed with partner TOYO. Modules range from 375W to 530W and are designed for residential, tertiary, and industrial applications. The company also offers 3kWc ready-to-install solar kits in partnership with Sunethic. All products are manufactured in France at the Dinsheim-sur-Bruche facility with European-sourced components.

Differentiator

Problem solved

Functional benefit

Products and services

• Tarka Diamant Hail-resistant photovoltaic module with RG5 certification capable of withstanding 55mm hail impacts. Features French-manufactured solar glass without antimony or arsenic, incorporating up to 19% recycled glass. Designed for hail-prone regions, agricultural operations, and large infrastructure projects.
• Tarka Rubis (Colored Modules) Colored photovoltaic module line using proprietary interference pigmentation technology, available in Rubis Ambre (ocre tile color) and Rubis Noir (black color) variants with measured output of 372 Wc per module (Certisolis certified). Designed for aesthetic integration with heritage buildings and rooftops where standard blue/black panels would be visually incompatible.
• Tarka Residential Module Series (Tarka 80, 88, 110, 120, 126, 138) Residential and small commercial monocrystalline photovoltaic modules ranging from 375W to 460W. Includes VSMS monofacial variants and VSMP colored variants (425-450W). Designed for rooftop installations on individual homes and small businesses, with 30-year product and performance warranties.
• Tarka Bifacial Module Series (Tarka L 110R, Tarka S 100R) Bifacial photovoltaic modules using VSMP technology with glass-backsheet construction, capturing light on both front and back surfaces via the albedo effect. Power output ranges from 455W to 530W (500-530W for Tarka L 110R). Designed for residential and tertiary applications in European climate conditions.
• TOPCon Technology Modules Module line using Tunnel Oxide Passivated Contact (TOPCon) cell technology, developed in partnership with TOYO for solar cell supply. Targeting European market expansion and EU Net-Zero Industry Act compliance. Supports Voltec Solar's goal to reach 1 GW of module capacity by 2027.
• 3 kWc Solar Kits (with Sunethic) Ready-to-install residential solar kits developed in partnership with Sunethic, containing 8 Voltec Solar photovoltaic modules, micro-inverters, cables, connectors, protection equipment, and a production monitoring system. Aimed at making French-manufactured solar accessible to a wider audience through simplified DIY installation.

Quantifiable outcome

• Power degradation <5% after intensified CEA stress testing (mechanical cycling + damp heat + 12x UV + thermal cycles)
• +6 more outcomes

Named customers2 records

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration3 records

Feature8 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• TOYO Co., LtdcoreStrategic or Co-development Partner · 5 November 2025TOYO, a Japanese solar cell manufacturer, supplies TOPCon solar cells to Voltec Solar for integration into Voltec's European module products. The deal was announced at a Toyo plant in Vietnam and marks Toyo's entry into the European market. Voltec aims to reach 1 GW of module capacity by 2027 through this partnership, aligned with the EU Net-Zero Industry Act.
• TOYO Co., LtdcoreStrategic or Co-development Partner · 3 November 2025Strategic partnership between TOYO and Voltec Solar to supply solar cells and support Europe's low-carbon solar initiatives. The collaboration leverages TOYO's technology and aims to meet Europe's sustainability standards while expanding TOYO's presence in the European market.
• IPVF (Institut Photovoltaïque d'Île-de-France)coreStrategic or Co-development PartnerVoltec Solar participates in the IPVF STaFF project (Souveraineté industrielle Tandem de Fabrication Française) alongside IPVF. The project aims to develop and prepare for industrialization in France a new generation of 4T tandem perovskite/silicon photovoltaic modules with 26% efficiency target, in the context of France 2030. IPVF develops the perovskite technology at its pilot prototyping line in Paris-Saclay; Voltec Solar provides module integration and industrial manufacturing expertise from its Dinsheim-sur-Bruche site.
• ECOinfos Énergies RenouvelablesminorGTM or Marketing PartnerStrategic media and marketing partnership between Voltec Solar and ECOinfos Énergies Renouvelables, an independent professional media outlet covering renewable energy (established 2008, reaching 3,200+ connected installers). The partnership provides editorial visibility, a photovoltaic simulator tool, and professional directory presence for Voltec Solar.
• SunethicminorGTM or Marketing PartnerVoltec Solar partnered with Sunethic, a mission-driven company, to offer 3 kWc solar kits for DIY installation. The kits include Voltec Solar modules, microinverters, cables, and monitoring, aimed at making French solar accessible to a wider audience.
• CEA (Commissariat à l'énergie atomique et aux énergies alternatives)coreTechnology or IntegrationThe CEA conducted intensive 'crash test' validation of Voltec Solar panels at its laboratories as part of the ITE INES.2S institute (funded by the French government's Programme d'Investissements d'Avenir). Testing included mechanical cycling, damp heat, UV exposure (12x the standard dose), and repeated IEC 61730-2 thermal cycles. Results confirmed power degradation <5% and insulation resistance 315x the required standard.
• Soren (eco-organisme)minorOthersSoren is the French eco-organism responsible for collecting and treating end-of-life solar panels. Voltec Solar's modules achieve a 94% recycling/valorization rate, and the company's eco-design choices (antimony-free glass, fluorine-free backsheets, grooved frames) facilitate recycling through Soren's network.

Scale indicators15 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Photowatt: Photowatt is a French photovoltaic module manufacturer (subsidiary of EDF) with a long industrial heritage, also serving French residential, commercial and utility-scale markets. Directly competes with Voltec in France for low-carbon, locally-made solar modules.
• Meyer Burger Technology: Swiss-headquartered manufacturer of high-efficiency PV modules with European production (Germany). Comparable to Voltec as a premium European-made module supplier targeting rooftop and utility-scale segments, although currently in financial restructuring.
• Hanwha Qcells: One of Europe's largest PV module manufacturers with German production (Bitterfeld) and a strong TOPCon product line. Directly competes with Voltec in the European premium residential and commercial segment and represents the scaled incumbent Voltec aspires to become.
• REC Group: Norwegian-headquartered PV module manufacturer with European heritage and premium positioning in residential rooftop segments. Comparable to Voltec as a European-made, premium-branded crystalline silicon module supplier targeting installers and homeowners.
• Solarwatt: German PV module manufacturer specializing in glass-glass premium modules for residential and commercial rooftops, with strong installer-network distribution. Comparable to Voltec in product positioning (durable, premium, European-made) and go-to-market via certified installers.
• Maxeon Solar Technologies: Spun off from SunPower, Maxeon manufactures high-efficiency back-contact crystalline silicon modules (IBC) with European distribution and a premium residential positioning. Comparable to Voltec as a premium module brand with strong efficiency and durability claims.

Broad incumbents

• Trina Solar: One of the world's largest PV module manufacturers, headquartered in China with global TOPCon and perovskite R&D investments. Competes with Voltec across all segments; represents the commodity and scale benchmark Voltec's premium positioning must defend against.
• Jinko Solar: Top-tier global PV module manufacturer with massive scale and TOPCon product lines. Relevant to Voltec as the dominant Asian competitor whose pricing and product roadmap set the ceiling for European-differentiated players.

Regional players

• SunPower (US, residential rooftop): US-focused residential solar company with premium module positioning through Maxeon supply. Comparable to Voltec in premium residential branding and warranty approach, though operating in a different geography (US vs. France).

Emerging players

• Sunethic: French DIY solar kit company that partners with Voltec Solar to assemble 3 kWc residential kits. Operates adjacent to Voltec's core business and shares a focus on French-made, accessible residential solar.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@Voltec_Solar
• Facebookfacebook.com/VoltecSolar
• LinkedInlinkedin.com/company/voltec-solar
• Instagraminstagram.com/voltec_solar

Compliance12 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Voltec Solar