The word "solar" refers to anything related to the sun. It can describe things that are powered by the sun or use its energy, such as solar panels or solar power. Full definition
Scientists are discovering new kinds of solar systems in our own galaxy that we never knew existed. (spaceref.com)
Environmental credentials are critical to our business and we are pleased to announce the installation of solar panels on the roofs of many of our branches. (educationbusinessuk.net)
Add some renewable energy to your new security system with solar panels for the stick up cameras. (androidcentral.com)