Solar Battery Storage San Diego Services: For many years most solar systems were just grid tied. That is to say, they are just tied into the grid without any battery back-up. They produce power when the sun is shining, run the meter backward when you are producing more energy than you are using. At night you draw from the utility grid.
A battery backup system can operate in a few different ways.
One option is a grid tied battery backup system. This type of solar system first charges the batteries then runs the house / connected loads from batteries and the solar panels through the inverter. In the event that the connected loads are not using the energy produced and the batteries are fully charged, the inverters turn the meter backwards selling the power to the utility company. If you are using more power than the solar system with batteries has available, you draw power from the utility grid.
More recently smart batteries like the LG Chem Resu 10h and the Tesla Powerwall have hit the market. These type of batteries allow you to work utility rates to your advantage. These smart batteries are excellent for off-setting new time-of-use rates or demand charges. You can charge these batteries during the day with the excess power produced by the solar system or from the grid at night when most people are sleeping and utility rates are at the lowest. The battery is then discharged in the evening or early nights when rates are the most expensive. These batteries also serve as back up power when the grid goes down.
Another option is a stand-alone battery back-up solar system where the system is not tied into the utility grid.
This type of system uses the sunlight to charge the batteries, then runs the house / connected loads from the batteries and the solar panels through the inverter.
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Please contact us by telephone at (760) 407-0500 or by email for more information on solar Battery Storage San Diego Services. With 30 years experience in the industry, we are confident that we can service your solar, electric, and battery needs.