What Fronius does

Fronius International GmbH is an Austrian, family-owned industrial manufacturer founded in 1945 and headquartered in Wels/Pettenbach, Upper Austria, with approximately 6,500 employees across 37 global subsidiaries. The company operates three core business divisions: welding technology (manual MIG/MAG, TIG, electrode equipment under brands Fortis, TPS/i, iWave, Artis, Ignis; robotic and automated welding systems; WireSense sensor technology; and Fronius Additive metal 3D printing), solar energy (PV inverters GEN24/GEN24 Plus, Verto Plus, Argeno, and Tauro; LFP battery storage Reserva and Reserva Pro; PV Point backup; Wattpilot EV chargers; and energy management software), and battery charging technology. The platform is designed around an integrated inverter-plus-storage-plus-EV-charging-plus-software stack for residential, commercial, and utility-scale customers, alongside a full welding portfolio serving industrial manufacturers and mobile operators.

The company generates revenue primarily through one-time hardware sales of inverters, batteries, welding equipment, and EV chargers, complemented by professional services (technical support, warranty, commissioning, and training) and consumables sold via e-commerce. Go-to-market is a hybrid channel model: certified installers and distributors for residential and SMB solar, enterprise field sales for utility-scale PV and automated welding, and direct subsidiaries for regional sales/service in 37 countries. Pricing is not publicly disclosed; commercial and industrial products are quote-based while consumer products are sold through installer networks. Strategic positioning emphasises European manufacturing provenance, UL 9540 certified DC-coupled solutions, and the December 2025 European Inverter Producers Alliance with SMA and Ingeteam as a defensive stance against Chinese supplier dominance.

Name

Fronius

Legal name

Fronius International GmbH

Website

https://fronius.com

Company type

Private

Founded year

1945

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

Fronius International is an Austrian family-owned industrial manufacturer (founded 1945, ~6,500 employees) producing welding equipment, solar inverters, battery storage, and EV chargers for residential, commercial, utility-scale, and industrial manufacturing customers across 37 global subsidiaries.

Ownership category

akta.pro rank

Product category

Solar Inverters and Welding Equipment

NAICS

Electrical Equipment Manufacturing (33531)

SIC

Electronic & Other Electrical Equipment (No Computer Equip) (3600)

akta.pro primary industry

Solar Inverters, Power Electronics & MLPE (String/Central Inverters, Optimizers, Microinverters) (EUAMABAE)

akta.pro secondary industries

PV Balance of System (BOS) & Electrical Infrastructure (Inverters, Transformers, Cabling, Substations) (EUACAGAC), Solar Inverters, Power Optimizers & MLPE Manufacturing (EUAMAHAB), Solar EPC & Construction (Utility-Scale, Rooftop, Balance of System) (EUAMABAB)

Keywords

• Solar PV inverters
• Battery energy storage
• Welding equipment
• Robotic welding systems
• EV charging solutions

Headquarters

HQ city

Getafe

HQ country

Spain

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Solar Inverters: Sale of PV inverters including GEN24, GEN24 Plus, Verto, Verto Plus, Argeno, and Tauro for residential, commercial, and utility-scale installations. Revenue generated through one-time hardware sales via channel partners and direct sales.
2. Battery Storage Systems: High-voltage battery systems (Reserva, Reserva Pro) with modular capacity ranging from 6.3 to 15.8 kWh, designed to work with Fronius hybrid inverters. Sold as complementary products to PV systems.
3. Welding Equipment: Manual welding equipment (Fortis, TPS/i, iWave, Artis, Ignis, Ignis Battery), robotic welding systems, automated welding systems, and welding torches. Includes consumables and accessories sold through e-commerce.
4. EV Charging Solutions: Wattpilot Flex wallbox for EV charging, integrated with PV systems for solar-optimized charging.
5. Services and Support: Technical support, warranty services, training programs, and commissioning services for installed equipment.

Pricing tiers

Go-to-market motion3 records

Distribution channels6 records

Marketing channels8 records

Core offering

Fronius designs, manufactures, and sells solar PV inverters (residential, commercial, and utility-scale), high-voltage battery storage systems, EV chargers, and energy management software under its Solar Energy division, along with manual, robotic, and automated welding equipment and torches under its Perfect Welding division. Products are sold through certified installer and distributor networks worldwide, with direct enterprise field sales for large industrial and utility projects, and a direct e-commerce storefront for accessories.

Product overview

Fronius is a global Austrian company (established 1945) specializing in three core business areas: welding technology, photovoltaics/solar energy, and battery charging technology. The product portfolio is organized as a platform-plus-modules architecture. In Solar & Energy, the core offerings are solar inverters (GEN24/GEN24 Plus for residential, Verto Plus for commercial/complex installations, Argeno for business, Tauro for large-scale commercial/utility) complemented by battery storage modules (Reserva/Reserva Pro), backup power solutions (PV Point), EV charging (Wattpilot Flex), and energy management software. In Welding, the core products are manual welding equipment (Fortis, TPS/i for MIG/MAG; iWave, Artis for TIG; Ignis for electrode) with robotic and automated welding systems as industrial extensions, plus WireSense sensor technology and Fronius Additive metal 3D printing. Services include prototyping/manufacturing center, warranty programs, and training. Products are connected through shared digital platforms and designed for European manufacturing quality.

Differentiator

Problem solved

Functional benefit

Brands

• Reserva: High-voltage battery storage solution for residential solar energy systems with modular capacity of 6.3 to 15.8 kWh
• Reserva Pro
• GEN24
• Verto Plus
• Tauro
• Argeno
• TPS/i
• Fortis
• iWave
• Artis
• Ignis
• Ignis Battery
• WireSense
• Wattpilot Flex
• Fronius Additive
• myFronius

Products and services

• GEN24 & GEN24 Plus Solar Inverters Residential solar hybrid inverters with battery compatibility for family homes. GEN24 offers basic backup via PV Point; GEN24 Plus enables Full Backup for the entire household when paired with battery storage. Features integrated digital tools, high efficiency, and European manufacturing.
• Verto & Verto Plus Inverters Flexible inverters designed for complex roofs, small businesses, agricultural operations, and apartment buildings. Provide more power and adaptability for challenging installation scenarios.
• Argeno Commercial Inverter Commercial/business energy inverter using state-of-the-art technology to supply companies with self-generated PV power. A versatile and efficient solution for business applications.
• Tauro & Tauro ECO Inverters Robust inverters for large-scale commercial PV systems, engineered to operate reliably in extreme temperatures and adverse weather conditions. Lower long-term operating costs for utility-scale installations.
• Reserva Battery Storage High-voltage residential battery storage with DC coupling for highly efficient energy transfer. Modular capacity ranging from 6.3 to 15.8 kWh, using LFP technology, designed for seamless integration with Fronius hybrid inverters.
• Reserva Pro Battery Storage European-made high-voltage battery storage sharing Reserva's DC-coupled architecture and modular LFP capacity, with emphasis on European data security and proven service network.
• Wattpilot Flex EV Charger EV charger/Wallbox for home charging with surplus PV energy. Enables smart charging management for electric vehicles using self-generated solar power. Received Acclaim in Wallbox Inspection 2025.
• Fronius Fortis MIG/MAG Welding System Next-generation manual MIG/MAG welding machine for small and medium-sized companies with dynamic welding tasks. Features flexibility, networking capability, and high performance.
• TPS/i MIG/MAG Welding System Professional MIG/MAG welding equipment for demanding industrial applications and precision welding tasks.
• iWave TIG Welding System TIG welding equipment for high-quality welding applications.
• Artis TIG Welding System TIG welding equipment available in 300 model with water- and gas-cooled variants, offering increased power for TIG DC welding applications.
• Ignis Electrode Welding System Electrode/MMA welding equipment capable of up to 250 amperes output for heavy-duty welding tasks.
• Ignis Battery Mobile Welding System Portable battery-powered electrode/MMA welding system providing maximum freedom for mobile welding applications, enabling outdoor and remote welding without grid power.
• WireSense Robot Assistance System Robot assistance system that converts welding wire into a sensor to detect component geometry and positional deviations during robot-assisted welding. Supports all seam geometries and materials including steel, stainless steel, aluminum, and CrNi alloys.
• Robotic Welding Systems Complete portfolio of robotic welding solutions including automated systems, integration capabilities, and sensor technologies for automated manufacturing environments.
• Automated Welding Systems Automated welding systems for industrial manufacturing with customizable configurations and process technologies.
• Fronius Additive Metal 3D Printing Additive manufacturing process for metal 3D printing enabling fast, cost-effective, and precise component production as part of the Prototyping & Manufacturing Center services.

Quantifiable outcome

• Reserva & GEN24 Plus achieved excellent results in Energy Storage Inspection 2026
• +2 more outcomes

Named customers3 records

Segments5 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Four partnerships are on record, tiered core and major.

• RenoncoreTechnology or Integration · 14 January 2026Development partnership for DC-coupled energy storage solution combining Fronius GEN24 inverters with Renon Xtreme HV 1.0 batteries. The system is UL 9540 certified with 10-year warranty on both products, supporting high-voltage energy storage rated for up to 8,000 cycles. Battery available in North America starting February 12, showcased at Intersolar & Energy Storage North America in San Diego.
• European Inverter Producers Alliance (SMA, Ingeteam)coreStrategic or Co-development Partner · 16 December 2025Alliance formed by European inverter producers including Austria's Fronius, Germany's SMA, and Spain's Ingeteam to strengthen market position and cybersecurity amid China's dominance in the solar supply chain. China ships 78% of inverters used in the EU, potentially threatening Europe's electricity grid security.
• HargassnermajorTechnology or IntegrationTechnology partnership for energy transition solutions. Hargassner Energy World and Service Center in Weng, Upper Austria features Fronius technology. Companies collaborate on solutions for the energy transition with timber parking garage and other projects showcasing combined technologies.
• Distributors and Installers NetworkcoreChannel Partner/ Reseller/ DistributorExtensive network of certified distributors and installers for solar and welding products. Includes training programs, certification as 'Certified Partner', and access to extended warranty and support services.

Scale indicators6 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• SMA Solar Technology: German manufacturer of solar inverters for residential, commercial, and utility-scale applications. Most direct competitor to Fronius in European solar inverter market, and partner in the European inverter producers alliance.
• Ingeteam: Spanish company manufacturing solar inverters, power electronics, and energy storage systems. Directly competes with Fronius in commercial and utility-scale solar markets and is a partner in the European inverter producers alliance.
• KOSTAL Solar Electric: German manufacturer of string inverters and hybrid inverters for residential and commercial PV. Direct competitor in European residential and small commercial inverter segments where Fronius' GEN24 and Verto compete.
• Lincoln Electric: US-based global leader in welding products, including manual, robotic, and automated welding systems. Directly comparable to Fronius' welding division across MIG/MAG, TIG, and electrode welding equipment.
• ESAB: Global welding and cutting equipment manufacturer with strong industrial welding portfolio. Directly comparable to Fronius' welding business in industrial and automated welding segments.

Broad incumbents

• SolarEdge: Israeli power optimizer and inverter manufacturer serving residential and commercial solar markets globally. Competes with Fronius in distributed solar, particularly string inverter segments.
• Enphase Energy: US-based microinverter and energy storage company serving residential and small commercial solar. Competes with Fronius in residential inverter segments in markets outside Europe.
• Sungrow: Chinese global leader in solar inverter manufacturing, particularly strong in utility-scale and commercial segments. Primary cost-disadvantaged competitor for Fronius in European and emerging markets.
• Yaskawa (Motoman Robotics): Japanese industrial robotics company with significant presence in robotic welding systems. Comparable to Fronius' robotic welding business, including automated welding cells with sensing capabilities.
• ABB Robotics: Swiss-Swedish industrial automation giant offering robotic welding systems, manipulators, and welding packages. Comparable to Fronius' automated and robotic welding portfolio for industrial manufacturing.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks5 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/fronius
• Facebookfacebook.com/FroniusInternational
• LinkedInlinkedin.com/company/fronius
• Instagraminstagram.com/fronius

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 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 Fronius