When you want to add items from a previous order to an order you are building, select Order Tracking on the left navigation bar. 1  On the Order History page, select the order number you want to view. The Order Detail page appears. 2  Select the Reorder Items button to add all products on this order to your shopping cart.
Using 4 hours of full sun, gives you this equation: 250 watts x 4 hours. Thatâs 1 kWh (1,000 watts) in a day per 250-watt panel. If you multiply 1kWh per panel by 30 days in a month, youâll find that each 250 watt rated panel will produce about 30 kWh in an average month.
They generate much less pollution, both in gathering and production, than nonrenewable sources. 1  Solar energy comes from the sun. 2  Some people use solar panels on their homes to convert sunlight into electricity. 3  Wind turbines, which look like giant windmills, generate electricity.