Utility-scale inverters
For solar parks up to 363 kW
Certified to VDE-AR-N 4110 and EN 50549, with REFUlink for plant control.
- AC power
- 100–363 kW
- max. efficiency
- up to 99.05 %
REFU Elektronik · Pfullingen · since 1965
Inverters for solar parks and businesses.
String inverters from 20 to 360 kW, plant control and monitoring, with support and data hosting in Germany.
REFU at a glance
C&I inverters
20 to 110 kW for commercial rooftops
Up to 4 MPPTs for roofs with different orientations, optional AFCI, commissioning via app.
- AC power
- 20–110 kW
- MPPTs
- 2–10
- 1965
- founded
- 10 years
- warranty on all REFUsol inverters
- 425,000
- installations
- 25
- countries
REFUview · REFUlink
Your plant data stays in Germany.
Monitoring and plant control from a single source, with data hosting in Germany. REFUlink connects the plant to power management and the grid operator.
About data security
References
Projects across Europe
From a utility-scale solar park in Schleswig-Holstein to around 15 MW in Romania: REFUsol inverters in operation.
All referencesWhere to start
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Planners & engineers
Installers & electrical contractors
Operators & investors
Utilities & grid operators
News
Latest from REFU
Upcoming events
- 5.11.–10.12.2026Tilo brings colour into play. And chocolate to customers.Visiting our customers
- 12.Nov 20266th Photovoltaics Evening Baden-Württemberg: Tilo and Simon will be thereJaz in the City, Wolframstraße 41, 70191 Stuttgart
- 24.–25.Nov 2026Forum Solar PLUS: cybersecurity in networked energy systemsbcc Berlin Congress Center, Berlin
- 2.–3.Dec 2026Sustainable Solutions in Düsseldorf: visit us in hall 14Düsseldorf · Halle 14, Stand F9
Forum Solar PLUS: cybersecurity in networked energy systems
On 24 and 25 November we will be at Forum Solar PLUS at bcc Berlin. On Wednesday, Tilo Zwesper will talk about how networked PV plants and storage systems can be planned and operated securely.
Sustainable Solutions in Düsseldorf: visit us in hall 14
On 2 and 3 December we will be at Sustainable Solutions in Düsseldorf, hall 14, stand F9, with our REFU 261 and REFU 418 battery storage systems and the REFUlink. We have free tickets for meetings.
Repowering: C&I inverters delivered free of charge until 18 December
Replace old inverters and save: until 18 December 2026 we deliver our C&I inverters free of charge in Germany and Austria, with no minimum quantity.
Discuss your project
Planning a new plant or a repowering project? We advise you personally, directly with our engineers.
Or directly+49 7121 145 1888info@refu.com
Request a project