Quick Answer: Installing solar panels without a permit can result in fines ranging from $500 to $10,000+, forced removal of your system, voided manufacturer warranties, homeowner's insurance denial, complications when selling your home, and disconnection from the utility grid. These permits ensure: Electrical permits cover all wiring and electrical components, including:. With the cost of energy ever rising, people are asking 'do I need planning permission for solar panels?' In many cases the answer is no. You can erect them both for residential and commercial use. This is covered under four different permitted. Obtaining the necessary permits is a crucial step in the solar panel installation process. Most jurisdictions require. Installing solar panels usually requires permits, utility agreements, and inspections — here's what to expect and why skipping them can backfire.