Solar panel systems on homes are typically up to 4kWp. A system of this size can generate more than 3,000kWh per year. For comparison, a home using a 'medium' amount of electricity gets through 2,700kWh. The more electricity the system can generate, the greater the savings on your electricity bill can be – but the bigger the initial cost. It's important your system is sized correctly fo. Quotes for solar panel installation typically include the cost of labour. More complex installations are costlier as they take longer and require more work and potentially more specialist hardwa. All the prices above are averages. You'll need to get quotes from solar panel companies to find out what it would cost to meet your specific requirements. We'd suggest you get. Increasingly, energy suppliers are offering installation of solar PV panels and storage batteries, and you don't have to be an existing customer. Some offer payment in instalments and.