Yes, theoretically you can connect a portable solar panel to your home’s electric grid. However, this will require some additional equipment and steps to ensure safe and effective energy conversion. There are specialized devices that can support this type of use case, such as “inverters” and “meters”, which can monitor and manage the transmission and usage of electricity. However, it is important to note that before proceeding with any such operation, you need to confirm whether local laws and regulations allow such practices, and it is best to seek advice from professionals for safety purposes.