HSL Solar GmbH

HSL Solar is a regional solar provider serving customers in Bavaria, Hesse and Baden-Württemberg. With more than 15 years of experience and over 10,000 photovoltaic systems installed, the company helps households and businesses adopt renewable energy and reduce reliance on grid electricity. Its solutions include solar panels and inverters, battery storage, electric-vehicle charging stations, mounting systems, energy management and heat pumps. HSL Solar also undertakes commercial photovoltaic projects, from rooftop installations to larger systems with storage and energy management.

The company supports customers throughout the process, beginning with a personalised consultation and system planning, available digitally or following an on-site assessment. It then coordinates installation and commissioning, with ongoing services that include maintenance, warranty and repair support. Customers can use an online savings calculator to estimate their potential benefits and request an individual proposal. HSL Solar also offers an energy management solution through E.ON, enabling users to monitor system performance and manage consumption through an app.