KOSTAL Solar Electric International

KOSTAL Solar Electric International KOSTAL Solar Electric is a leading manufacturer of innovative string inverters.

Future topic at Intersolar 2026: Bidirectional charging! 🚗🔋A much-discussed highlight at our booth was bidirectional cha...
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! 🌐✨

🚀 Intersolar 2026 is going absolutely fantastic and the halls are buzzing! 🔥One of the absolute highlights at our booth:...
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! 🛰️☀️

🚀 Live from Intersolar 2026: The curtain has been raised! ☀️A major moment at our exhibition stand: Max and Andreas have...
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! 👇

The preparations are in full swing! ☀️🔨Only a few days left until the doors of "The smarter e" (Intersolar) open in Muni...
19/06/2026

The preparations are in full swing! ☀️🔨

Only a few days left until the doors of "The smarter e" (Intersolar) open in Munich – but hard work is already underway to welcome you with a fantastic booth and exciting topics.

From the first draft to the very last screw: We are putting our heart and soul into presenting our latest product innovations to you starting next week.
Will you be there too? Then make sure to come and visit us!

📍 Hall B3, Booth 130
📅 June 23–25, 2026

Some highlights:

🔋 PLENTICORE BI 25: Our brand-new, extremely powerful battery inverter for highly flexible storage applications.

🎛️ Multi-Device-Control: The smart solution to control multiple inverters in a single system easily and intelligently.

🔌 ENECTOR G2 & G2 MID: The next generation of our wallbox with new features, including billing options.

🔄 Auto BackUp Switch: Full power security thanks to automatic switching to backup power in the event of a grid failure.

📱 KOSTAL Solar 4me App: Our completely redesigned app experience for even smarter and more transparent monitoring.
And more!

We look forward to exciting discussions, networking, and the future of solar energy! 🚀

More information about our product innovations here: https://www.kostal-solar-electric.com/en/about-us/news/intersolar-2026/

Intersolar 2026: The countdown is on – see you next week! ☀️🔋The clock is ticking: only a few days left until Intersolar...
18/06/2026

Intersolar 2026: The countdown is on – see you next week! ☀️🔋

The clock is ticking: only a few days left until Intersolar 2026 opens its doors in Munich! The PV world is evolving at a rapid pace – traditional power generation is a thing of the past. Today, it is all about integrated, interconnected systems: intelligent control, energy storage, e-mobility, and dynamic tariffs.

Under our exhibition motto "More Possibilities. Less Complexity.", we will show you live on-site how simple and practical modern solar energy can be. Experience the perfect synergy of hardware, software, and digital services designed to make daily life much easier for wholesalers, installers, and system operators.

We also have a huge reason to celebrate: KOSTAL Solar Electric is turning 20 years old! Join us to toast two decades of innovation. 🎉

✨ Here is what awaits you at our booth:

🔋 PLENTICORE BI 25: Our brand-new, highly powerful battery inverter for ultra-flexible storage applications.

🎛️ Multi-Device-Control: The smart solution to control multiple inverters within a single system easily and intelligently.

🔌 ENECTOR G2 & G2 MID: The next generation of our wallbox with expanded features (ideal, among other things, for company car billing).

🔄 Auto BackUp Switch: Maximum supply security thanks to automatic switching to backup power in the event of a grid failure.

📱 KOSTAL Solar 4me App: A completely renewed user experience for even smarter and more transparent monitoring.

Together with strong industry partners, we will also take an exclusive look into the future of bidirectional charging and cutting-edge storage technology. Prepare to be surprised! 😉

📅 When? June 23 – 25, 2026
📍 Where? Messe München (Munich Trade Fair)
🎪 KOSTAL Booth: Hall B3, Booth 130

🔗 Learn more and secure your meeting here: https://www.kostal-solar-electric.com/en/about-us/news/intersolar-2026/

Take the opportunity to talk directly with our experts on-site. We look forward to seeing you there! 👋

☀️ Are you really getting the maximum out of your PV system? ☀️Many people only look at the performance of the solar mod...
12/06/2026

☀️ Are you really getting the maximum out of your PV system? ☀️

Many people only look at the performance of the solar modules. But how much electricity actually reaches your household depends on the entire system! The SPI seal (System Performance Index) from HTW Berlin shows you the real efficiency in annual operation.

📉 The problem: Poorly coordinated systems eat up your returns through high standby consumption and conversion losses.

📈 The advantage: A top system easily saves you €1,665 and more over the years compared to standard devices!

🏆 Best example: The KOSTAL PLENTICORE – test winner 2026 (10 kW class). Flexibly expandable for heat pumps or e-cars and maximally efficient.

When buying, don't just look at the price, look for the SPI seal!

👉 Learn more here: https://www.kostal-solar-electric.com/en/about-us/news/the-spi-seal-this-is-how-efficiency-pays-off-year-after-year/

Fewer site visits, faster service! 🚀 The new KOSTAL Remote Access for the PLENTICORE G3 is here.Troubleshooting, setting...
05/06/2026

Fewer site visits, faster service! 🚀 The new KOSTAL Remote Access for the PLENTICORE G3 is here.

Troubleshooting, setting updates, or real-time diagnostics? Installers no longer need to get into the car for this. With the new remote access, it can be done directly from the office via the KOSTAL Solar Portal – secure, fast, and efficient. 💻✨

The highlights at a glance:

🛠️ Full access: Operate the familiar user interface of the PLENTICORE G3 remotely (all parameters, data, and error messages at a glance).

⏱️ Time savings: Drastically reduced service times and fewer on-site appointments in daily business.

🔒 Maximum security: The system operator retains full control! Activation is done directly on the device – either permanently or time-limited (e.g., for 24 hours).

What is required?
👉 PLENTICORE G3 (software from version 03.06.06###)
👉 Activated remote access & stable internet connection
👉 Matching installer role in the KOSTAL Solar Terminal / Portal

A win-win for everyone: Faster support for system operators, more efficient work for installers. 🤝

💡 Note: For security reasons, software updates cannot be uploaded via this connection.

Learn more 👇
https://www.kostal-solar-electric.com/en/about-us/news/kostal-remote-access-the-new-remote-access-feature-for-the-plenticore-g3/

15/05/2026

Ready for the next level of photovoltaics? 🚀⚡

New products, intelligent solutions, and a major anniversary – take the next big step in the energy transition together with KOSTAL!

What can you expect from KOSTAL at Intersolar Europe 2026 in Munich?
We will reveal more in just a few days!

Experience the future of energy live on-site!

📍 When? June 23–25, 2026
📍 Where? Hall B3, Booth 130

Mark the date in your calendar and be there! 🗓️

Learn more about our products: https://www.kostal-solar-electric.com/en/products/

Security is no accident, it’s a concept. 🔒⚡ Inverters are the heart of every PV system – making them a prime target for ...
13/05/2026

Security is no accident, it’s a concept. 🔒⚡


Inverters are the heart of every PV system – making them a prime target for cyberattacks. KOSTAL is setting new standards to protect installers and operators alike.

Our multi-layered security concept at a glance:

🔑 Double Authentication: Access only via an individual service password PLUS a unique Master Key found on the type plate.

🛡️ Closed by Default: All ports are factory-sealed. Only necessary functions are opened after authorization.

🔐 Encryption: HTTPS standards and signed software updates protect against manipulation.

🚫 Brute-Force Protection: Automatic lockout after repeated failed login attempts.

Maximum efficiency requires maximum trust. With KOSTAL, your data and your infrastructure are secure.

👉 Learn more: https://www.kostal-solar-electric.com/en/cyber-security/a-comprehensive-protection-concept-at-kostal/

⚡️ Are you getting the most out of your PV system?Is your solar system running, but your electricity costs could be even...
28/04/2026

⚡️ Are you getting the most out of your PV system?

Is your solar system running, but your electricity costs could be even lower?

Many systems installed between 2010 and 2018 are wasting valuable potential.

The reason: an outdated inverter that cannot communicate "smartly."Stop the waste – choose repowering with KOSTAL!

🚀 Why upgrade to the PLENTICORE G3?A modern inverter is far more than just hardware – it is the brain of your home.

By replacing your old device, you create the foundation for a Home Energy Management System (HEMS):
Intelligent Control: Use solar power exactly when it's available – for your wallbox, heat pump, or battery storage.
Full Transparency: Keep an eye on production and consumption at all times with the KOSTAL Solar App.
Future-Proof: Ready for dynamic electricity tariffs and compatible with various storage systems.
Maximum Savings: Less grid consumption, more self-consumption – fully automated in the background.
Remote Efficiency: With the latest portal version, installers can even perform setup and analysis via secure remote access, saving you time and service costs.

🎶 The conductor for your energy orchestraA HEMS networks your devices and makes smart decisions:
the EV charges when the sun shines, and the battery fills up when electricity prices are low.
Without a modern "heart" from KOSTAL, this potential remains untapped.Start your networked energy future now!

👉 Have your repowering potential checked and make your home fit for the energy transition.

Learn more here: https://www.kostal-solar-electric.com/en/repowering/energy-management-hems/

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An Der Bellmerei 10
Lüdenscheid
58513

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