KOSTAL Solar Electric International

04/09/2026

Did you know? 🤔 Your battery storage system doesn't have to sit right next to your solar modules!

When setting up large-scale storage or expanding an existing solar system, flexibility is key. With the PLENTICORE BI 25 battery inverter from KOSTAL, you can place your modules, inverters, and batteries wherever they make the most sense in your building—saving installation time and cable costs. 💡

Watch the quick clip to see how it works 👇

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Flexible Battery Storage Installation: KOSTAL PLENTICORE BI 25Do y...

02/09/2026

⚡️ Full energy. For every need. ⚡️

More power for commercial applications and demanding projects: We are thrilled to introduce the newest addition to our product portfolio – the PLENTICORE BI 25 G3 battery inverter! 🔋🚀

Whether retrofitting an existing system or planning a new installation, the new PLENTICORE BI 25 G3 is the flexible powerhouse for professional energy management:
🔹 Retrofit: Seamlessly upgrade existing PV systems with high-voltage storage solutions
🔹 Expand: Optimize self-consumption and enable commercial peak shaving with ease
🔹 Scale: Perfectly adaptable to growing energy demands and future-proof design
🔹 Quality: Made in Germany – Made by KOSTAL, Made for Europe 🇩🇪🇪🇺
Delivering up to 25 kW of power, the PLENTICORE BI 25 G3 sets new benchmarks in efficiency, smart grid integration, and maximum flexibility.

👉 Ready to discover more?

📰 Read our press release: https://www.kostal-solar-electric.com/en/about-us/news/kostal-launches-sales-of-the-plenticore-bi-25-battery-inverter/
🔍 Technical specifications & product details: https://www.kostal-solar-electric.com/en/products/inverter/plenticore-bi/

How are you powering your projects for the energy transition? Share your thoughts with us in the comments! 👇

27/08/2026

From the circuit board to the finished PLENTICORE! 🔍⚡️

We recently welcomed the team from to our site in Hagen! Alongside in-depth product training, they experienced an exciting Guided Factory Tour right through our production lines.

Seeing how modern solar technology comes to life firsthand – featuring cutting-edge automation, high-precision manufacturing, and genuine expert insights. 🚀

Thank you for visiting us and bringing so much great energy! 💚

💡 Want to take your solar know-how to the next level?

Discover our training courses and webinars at the KOSTAL Solar Academy:

👉 https://www.kostal-solar-electric.com/en/solar-academy/

13/08/2026

⚡ Reduce commercial electricity costs by up to 80%? KOSTAL shows how! ⚡

Rising energy costs are a heavy burden for many medium-sized businesses. With the PIKO CI and PLENTICORE G3, KOSTAL Solar Electric provides a powerful solar solution tailored specifically for commercial rooftops:

✅ High Power: Up to 100 kW per inverter (PIKO CI)

✅ Massive Storage: Modularly scalable from 6.4 kWh up to 230.4 kWh with the HELIVOR HV

✅ Safety & Savings: Faster installation thanks to the integrated Smart AC Switch & real-time monitoring transparency.

Make your company energy-independent and secure true cash flow advantages! 📉☀️

📖 Read the full article directly from the source:

👉 https://www.kostal-solar-electric.com/en/about-us/news/piko-ci-the-cost-saving-solution-for-businesses/

30/07/2026

🚀 Cut Operating Costs: Scalable Solar Solutions for Commercial Roofs by KOSTAL

Rising energy prices are putting pressure on margins. KOSTAL responds with an integrated PV system designed specifically for commercial requirements, pushing self-consumption far beyond 30 kWp! ☀️⚡

Here is how the powerful setup drives efficiency:

🔹 PIKO CI Inverter (30, 50 & 100 kW): Designed for modern, high-power solar modules, handling a maximum input current of up to 20 A per string. Features up to 8 MPP trackers—perfect for complex roof layouts with varying angles or shading.
🔹 HELIVOR Battery Storage (up to 230 kWh): Modular storage scalable from 6.4 kWh to 230.4 kWh. Paired with the PLENTICORE G3, it delivers a massive 20 kW charge/discharge rate to buffer industrial peak loads.
🔹 Up to 80% Cost Reduction: Significantly reduce grid dependency and keep electricity expenses predictable.

💰 Major Tax & Cashflow Advantages:
In markets like Germany, combining depreciations (AfA), special write-offs, and investment allowances lets businesses write off up to 70% of total investment costs in year one!

🔒 Safety & Installation First: Integrated Smart AC Switch (eliminating external grid/plant protection up to 135 kW), Type 2 surge protection, AFCI arc fault detection, and real-time monitoring via the KOSTAL Solar App.

🔗 Find out more here: https://www.kostal-solar-electric.com/en/about-us/news/piko-ci-the-cost-saving-solution-for-businesses/

💬 How is your company handling rising energy costs? Let's discuss in the comments below! 👇

23/07/2026

🚀 Wow, one month ago we headed to Munich for Intersolar Europe 2026!

We look back with great joy and recap the absolute highlights of our anniversary year (20 years of KOSTAL Solar Electric! 🎉).

Under the motto "More possibilities. Less complexity.", we were delighted to welcome over 4,400 visitors to our booth. The interest in smart, flexible, and reliable energy systems was huge! 🔥

💡 Our Product Premieres at a Glance:
⚡ HELIVOR AXIS: All-in-one solution – inverter and storage combined into one compact energy hub.

🔋 PLENTICORE BI 25: Powerful battery inverter providing maximum freedom for commercial projects.

🚗 ENECTOR G2: The 2nd generation of our wallbox – including billing options for company cars charged at home.

🛠️ Smart Features for Installers & Operators:
Multi Device Control: Smart control of multiple inverters within a single system.

Remote Access: Secure remote access for faster diagnostics and service.

Auto BackUp Switch: Automatic switchover to backup power during grid outages.

Solar 4me App: Even more intuitive monitoring and simplified commissioning.

Additionally, key future-oriented topics such as cybersecurity, bidirectional charging, and our quality promise "Made in Germany" were at the center of many exciting discussions. 🤝

📖 Read all the details here:

https://www.kostal-solar-electric.com/en/about-us/news/intersolar-europe-2026-new-products-new-applications-more-opportunities/

A huge thank you to all visitors, partners, and the entire team who made this trade fair unforgettable!

👇 Did you visit our booth? What was your personal highlight? Let us know in the comments!

10/07/2026

At Intersolar, everyone pitches in! That includes Andreas Kostal, CEO of the KOSTAL Group. During the exhibition, he joined our team on the floor, spoke with customers and partners, and got a firsthand look at the latest trends in the photovoltaic market.

Especially during our 20th anniversary year of KOSTAL Solar Electric, this personal commitment highlights just how important the Photovoltaic Business Unit is within the KOSTAL Group.

Also on board and part of our booth team (pictured left): Martin Tigges, Managing Director of the KOSTAL Electronic Solutions Business Unit. As a leading technology partner for comprehensive E²MS and ODM solutions, the team brings concentrated expertise in power, control, and regulation electronics to the trade show.

Stronger together for the future of energy! 🔋🚀

Product premieres at the KOSTAL Solar Electric booth:
☀️ KOSTAL All-in-One HELIVOR AXIS – inverter and storage combine into a compact energy hub
☀️ KOSTAL battery inverter PLENTICORE BI 25 – maximum design freedom for commercial projects
☀️ KOSTAL Wallbox ENECTOR G2 – seamlessly integrated into your energy system

Read our full trade show review here: https://www.kostal-solar-electric.com/en/about-us/news/intersolar-europe-2026-new-products-new-applications-more-opportunities/

24/06/2026

Future topic at Intersolar 2026: Bidirectional charging! 🚗🔋

A much-discussed highlight at our booth was bidirectional charging. KOSTAL provided an exciting outlook on upcoming developments regarding inverters, energy storage systems, and charging infrastructure.

Looking ahead together: We showcased initial perspectives for integrating bidirectional applications into future energy systems and look forward to further shaping this vision.

Stay tuned for the next steps on the path to the energy world of tomorrow! 🌐✨

24/06/2026

🚀 Intersolar 2026 is going absolutely fantastic and the halls are buzzing! 🔥

One of the absolute highlights at our booth: An exclusive look into the future with the product reveal of the new HELIVOR AXIS All-In-One System! 🌟

One system. Everything included. Based on the proven KOSTAL PLENTICORE G3 platform, this compact Energy Tower will combine inverter and high-voltage storage in one device in the future. A first taste of what's to come: Less complexity, minimal installation time, and maximum flexibility!

The technical highlights at a glance:

⚡ Three-phase All-In-One system with 4.0 – 12.5 kW AC power
🔋 Modularly expandable: High-voltage LFP battery from 6.4 to 22.4 kWh
📈 Future-proof: Scalable performance, flexibly adaptable to future requirements
🛠️ Installation-friendly: Vertical integration & compact design (only 61 cm wide)
🔒 Fully protected: Emergency power capability, IP65 & 10-year KOSTAL warranty

Everything from a single source. Less effort – more power! 💼

Stop by and experience the future of energy live at the trade fair! 🛰️☀️

23/06/2026

🚀 Live from Intersolar 2026: The curtain has been raised! ☀️

A major moment at our exhibition stand: Max and Andreas have just revealed the secret and unveiled our latest innovations live on-site! 🎬👋

The halls in Munich are buzzing, and we are thrilled to present the next generation of the energy transition to you. Here are our freshly unveiled highlights:

⚡ NEW: KOSTAL PLENTICORE BI 25 Battery Inverter
The powerful solution for modern storage applications and intelligent energy distribution – developed for maximum flexibility, opening up completely new possibilities for storage, self-consumption, and smart energy management.

🧠 NEW: KOSTAL Multi-Device-Control (MDC)
The intelligent control system for multiple inverters! It simplifies planning, installation, and overall energy management – especially for larger or more demanding system concepts.

From innovative technology to great conversations – the atmosphere at our stand couldn't be better. The future of solar energy is being written right here!

Are you also on-site in Munich?
Then come by and experience these new products live! Let's connect, or tell us in the comments which of these two highlights excites you the most! 👇