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.
How much solar panels will save you Now the fun part: How much money do solar panels save you in electric bills? A 6,000-watt solar system should produce 13,000 kilowatt-hours per year, which would save you the equivalent of $150 to $200 per month in electricity in most areas, says Todd Verk, vice president of sales for the Southern California division of Green Solar Technologies.