A: Liability insurance protects the power provider in the event of accidents resulting from the operation of your system. Most homeowners carry at least $100,000 of liability through their homeowner insurance policies (although you should verify that your policy will cover your system), which is often sufficient. Be aware, however, that your power provider may require that you carry more. Some power providers may also require you to indemnify them for any potential damage, loss, or injury caused by your system.
A: You may be asked to pay permitting fees, engineering/inspection fees, metering charges (if a second meter is installed), and stand-by charges (to defray the power provider's cost of maintaining your system as a backup power supply).
A: Installing solar panels on your roof does not mean that you've gone off the grid. Most solar energy systems are not designed to consistently generate enough electricity to be a home's only power source, which is why the vast majority of solar homeowners maintain a connection with their utility company.