Questions about a particular solar panel? Looking for manufacturer specific information? Not sure what size of panel you need? You've come to the right place! discover more >>

Regulators and Charge Controllers

Simply put, charge controllers {also known as regulators} protect your batteries and in some cases, can actually increase the efficiency of your generated power. In other words, some regulators can increase the amount of power you get from your panels. This is the place to go learn more. discover more >>

Batteries provide energy storage. They accumulate energy as it is generated by various renewable energy devices such as PV modules or wind. This stored energy runs the household at night or during extended periods when there is no energy input such as a long string of cloudy days with a PV system. Learn more about battery care, determing how many batteries you need and other useful information. discover more >>

Now that you have power—use it! Power inverters convert the power stored in your batteries or from your power source into usable power that you can use with your AC appliances. We've put together an easy to use guide to help answer your questions about power inverters including how to choose the right inverter. discover more >>

Wind power is a great addition to any solar power system. It is also great all by itself. For more specific product information, begin here. discover more >>

Often overlooked, cable is an essential component of any solar and alternative energy power system. Sizing charts and other helpful information will help you make the most of your power system and keep as much power as possible that you have worked so hard to collect. discover more >>