DAHAI SOLAR
Frequently Asked Questions
Answers to the questions buyers, installers and EPC teams ask most often. Each answer lives on the page it belongs to — product, country or solution — and is listed here by topic.
Products
Answers in this section are being reviewed. Ask our team.
Markets & local supply
How can I buy DAHAI SOLAR products in Germany?Germany →Do DAHAI SOLAR inverters have a VDE-AR-N 4105 certificate?Germany →Do I need to register my solar panels and battery with both my grid operator and the MaStR?Germany →Can I install a solar battery system myself in Germany, or do I need a certified electrician?Germany →Is solar plus storage still worth it in Germany after the feed-in tariff changes?Germany →Which subsidies or loans (e.g. KfW) are available for solar and batteries in Germany?Germany →Does my solar installation qualify for Germany's 0% VAT rate, and does that include the battery?Germany →Is DAHAI SOLAR the same company as DAH Solar?Germany →Who do I contact for technical support in Germany?Germany →Does DAHAI SOLAR have a company in Romania?Romania →How can I buy DAHAI SOLAR products in Romania?Romania →Which products are available for the Romanian market?Romania →Do DAHAI SOLAR modules and inverters carry the certifications required in Romania?Romania →Is there a DAHAI SOLAR project reference in Romania?Romania →Is DAHAI SOLAR the same company as DAH Solar?Romania →Who do I contact for technical support in Romania?Romania →If I export surplus solar power in Romania, how will my supplier credit me, and which charges will I still pay?Romania →Which home battery subsidies are open in Romania right now, who can apply and how?Romania →What funding is available for businesses and farms installing solar and storage in Romania (e.g. AFIR)?Romania →What tilt and orientation work best for solar panels in Romania?Romania →How long does a solar system take to pay back in Romania?Romania →
Procurement & delivery
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Technical & after-sales
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