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.
Installing a solar panel system costs an average of $22,064. Depending on the kind you prefer, you could pay as little as $2,000 or as much as $40,000. However, most homeowners pay between $15,472 and $28,996.