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Strong partners. Strong performance. Made in Germany.

KOSTAL and VARTA, two long-standing German companies, offer an efficient combination of inverters and battery systems.

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PLENTICORE inverter from KOSTAL now compatible with four additional battery storage systems

When installing and expanding PV systems, it is essential for retailers, installers and customers that all components work together perfectly – even…

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NEW: PLENTICORE G3: Market launch completed & backup power mode

The delivery of all power classes of the PLENTICORE G3 inverter together with the KOSTAL BackUp Switch for backup power operation has fully begun.

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KOSTAL inverter and wallbox honoured twice with the EUPD Award 2024

PLENTICORE and ENECTOR receive the "Top Brand" Award Germany from the independent Germany-based research institute EUPD.

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The big KOSTAL customer survey 2024: Installers and retailers expect good business development

Once a year, KOSTAL Solar Electric invites its installers and specialist partners throughout Europe to take part in a big customer survey. The results…

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KOSTAL PLENTICORE and PLENTICORE plus: we compare the two

With the new PLENTICORE and the bestselling PLENTICORE plus, KOSTAL has a powerful and upgradeable inverter in its range for every solar system. Each…

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Large crowds and lots of interest: KOSTAL welcomes a record number of visitors at Intersolar 2024

Once a year, Munich becomes a hotspot for the PV industry, because Intersolar attracts trade visitors from all over the world. The KOSTAL team was in…

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A disused industrial site is redeveloped to produce free solar power

In the province of Lecce, EPC Elettronica Italia has created a photovoltaic system using bifacial photovoltaic modules connected to 20 KOSTAL PIKO CI…

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KOSTAL’s ENECTOR wallbox wins the German Innovation Award 2024

It's official: KOSTAL’s ENECTOR wallbox has won the German Innovation Award 2024.

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PLENTICORE plus remains in the range. The number of PLENTICOINS required for the battery activation code is also being permanently reduced.

KOSTAL is reducing the number of PLENTICOINs required for the battery activation code for the PLENTICORE plus hybrid inverter (G1/G2)

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