When you want to retrieve data from a database, you ask for the data by using Structured Query Language, or SQL. SQL is a computer language that closely resembles English, but that database programs understand. Every query that you run uses SQL behind the scenes.
The inverter turns the DC electricity generated by the solar panels into 120-volt AC that can be put to immediate use by connecting the inverter directly to a dedicated circuit breaker in the electrical panel.
There are 4 key factors that will determine just how much electricity you can create with solar panels for your property: The size of the system is the most important factor of all. The typical domestic installation is a 3.5kW system, which is normally around 12 panels.