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WATTKRAFT Support for Huawei FusionSolar

Your Certified Huawei Service Partner in Europe

Do you have a technical question or need assistance with your Huawei photovoltaic system? As a certified Huawei Service Partner in Europe, our German-speaking experts are here to assist you with their in-depth technical knowledge. Fast, competent, and personalized.

Note: Our technical support covers the entire Huawei FusionSolar portfolio—from C&I projects to Residential solutions and home storage systems. This service is available exclusively to installers and specialized contractors. We ask system operators and end customers to contact their local installer or Huawei distribution partner directly if they have any questions.
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Our Promise: Reliable Support

Certified Service Partner

Support that truly makes a difference isn’t measured by promises, but by how it performs when it counts. As a long-standing Huawei Certified Service Partner (CSP) in Europe, we understand the challenges that installers and distribution partners face every day, and we address them with experience, a hands-on approach, and clearly defined responsibilities.

What sets our service apart:

  • Personal contact with experienced solution managers

  • Local contacts in Europe for fast and efficient support

  • German-speaking specialists on our service hotline

  • 16 Huawei-certified presales experts

  • Smart Ticketing System for an Optimized Service Process

  • Over 60 webinars and training sessions each year

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Direct Access: Technical Support

Behind every call and every inquiry is a team that speaks your language—both literally and professionally. Our multilingual colleagues have many years of industry experience and in-depth technical expertise in Huawei inverters, energy storage solutions, and PV system integration.

Whether you’re an installer, distribution partner, or wholesaler, we’ll work with you as equals.

Technical Support by Phone

You can reach our technical support at:

+49 511 87 98 80 58

If you have any questions about replacement parts or quotes:

When you call, please press the option for the Huawei department to be connected directly to the appropriate representatives in the office.

+49 511 72 75 76 00

An Overview of WATTKRAFT's Additional Services

In addition to technical support, we provide specialized services related to Huawei C&I photovoltaic solutions.

Direct-to-Consumer Interface and EZA Controller
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We offer specially developed solutions for direct marketing, as well as EZA controllers that are optimally tailored to Huawei system components. Please contact us if you would like to learn more about our integration solutions.

Noise Level and Harmonic Calculations
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For grid-related verifications, we perform calculations in accordance with standards based on the BDEW guideline (medium voltage), VDE AR-N 4105, and VDE AR-N 4110 (low voltage), supported by software we developed in-house.

To process your request quickly, we need the following information:

 

  • Number and type of inverters
  • Applicable grid connection standard (e.g., VDE AR-N 4110, VDE AR-N 4105:2018)
  • SKV and, optionally, SA from the grid operator (medium voltage) or SKV (low voltage)
Planning Support for MW-Scale PV and Battery Projects
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Larger projects require precise planning. Our experts will guide you through the design and system planning of megawatt-scale photovoltaic and battery projects. For small- to medium-sized PV systems, Huawei SmartDesign 2.0 also provides support.

Inquiries About Accessories and Replacement Parts
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Do you need a specific replacement part or accessory? Send us your request, including a brief description or a photo of the part you’re looking for, to office@wattkraft.com. We’ll help you quickly and easily.

Submit a Request Now

Do you have questions about any of the services listed, or would you like to discuss a project directly? Please email us at service.industrial@wattkraft.com, and we’ll get back to you as soon as possible.

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FusionSolar App: Keep an Eye on Your System at All Times

The FusionSolar app allows installers to commission photovoltaic systems and enables end customers to conveniently monitor and control their systems anytime, anywhere. Download the app now and keep your system under control at all times.
Download the FusionSolar app
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Inquire Directly: Contact Technical Support
Do you have a specific inquiry or need technical advice? Simply fill out the form below, and we'll get back to you as soon as possible. Our team looks forward to assisting you.
Request a consultation now