Basics

How does a photovoltaic system work? What components is it made of? And what factors affect how much energy it produces? Read on to find out this and more!
What is an energy load profile is, why does it influence financial returns for solar, and how do you model one?
An introduction to kW and kWh. How do we get to these terms, what do they mean, and how are they used in your electric bill?  
Time of use rates charge different prices for electricity at different times. We explain what you should know—including how they affect solar customers.
Solar panel wiring (stringing) can be complex! We provide a primer on key considerations when deciding how to string solar panels.
A primer on the commercial solar sector, its current scale, factors that have constrained its growth, and forecasts for its expansion.
Solar professionals need to be well versed in electricity — that includes mastering the difference between alternating current (AC) and direct current (DC).
Solar panel in setting sun
Solar panels can power an incredible range of energy applications. Take an in-depth look at how they work.
Adding a solar battery for your home is one of the best ways to get consistent power and peace of mind. Here's how to choose a battery for...
There are a number factors you need to consider to make solar energy storage work on a home. The most important thing to keep in mind when...