Contact Us

OI Energy strives to respond to all inquiries as quickly as possible. Typically, our team will get back to you within one business day. We understand the importance of timely communication and make every effort to address your questions promptly.

You can reach OI Energy through several convenient contact methods. We are available by email and phone, and you can find our contact email address and customer service phone number on our Contact Us page. Additionally, our website features a live chat service for quick questions or support during business hours. Whichever method you choose, our support team is ready to assist you.

OI Energy operates primarily in Germany and also serves customers in other European markets. We are headquartered in Germany and have expanded our services across various countries in Europe. This regional presence means we have local expertise and partnerships in several areas to support our installations and services. Whether you’re in Germany or elsewhere in Europe, OI Energy is equipped to assist with your energy needs.

System installation and maintenance are handled through a collaboration between OI Energy and our network of local partners. OI Energy works with certified local installers who carry out the on-site installation of your system. These trusted partners also provide ongoing maintenance and support. Our team coordinates closely with them, offering guidance and assistance to ensure every installation meets our quality standards and that you receive reliable after-sales service.

Requesting a quote or consultation with OI Energy is simple. You can get started by contacting us via email or phone, or by using the inquiry form on our website. Let us know some basic details about your energy needs or project, and our team will schedule a consultation to discuss the best solutions for you. We’re happy to provide an initial consultation or site assessment, after which we’ll offer you a tailored quote.

OI Energy determines pricing based on the specifics of each project, including factors like system size, chosen equipment, and installation complexity. We provide a clear quote that breaks down all costs so you know exactly what to expect. To help make the investment more affordable, we also offer financing options. Our team can discuss flexible payment plans or financing partners that allow you to spread the cost over time. We’ll also guide you on any available incentives or rebates that could reduce your overall cost.