A 4-kilowatt (kW) solar system produces between 16 and 28 kilowatt-hours (kWh) of electricity per day. Production is highest in sunny locations and when using high-efficiency panels to capture more energy. . How much electricity does a 4kW solar system produce per day - RRENDONO®, Focused on Solar Panels,Solar container,Solar Mounting Brackets,Solar Power Generation,Outdoor Solar Lighting Since 2010. 526, Fengjin Road, Fengxian District, Shanghai, 201400, China. You won't automatically achieve this output, as this varies according to factors such as the position of your panels, the. . There are many reasons to supply electricity to a container, especially in off-grid settings. Below is a combination of multiple calculators that consider these variables and allow you to. . The Off Grid Container also transports the solar PV panels and mountings, the only part of the product which has to be assembled at the customer's site. These affordable solar power systems require a small. .