Solar panels typically cost $12,400 to $37,200, with a national average of $24,800 for an 8kW system. However, every home has different production needs based on its size and location, and total system costs are influenced by an array of other factors. The cost of solar panels has dropped by more than 80% over the past decade, making them more affordable than ever. The good news is that once installed, solar panels can save you money every month on your. NLR analyzes the total costs associated with installing photovoltaic (PV) systems for residential rooftop, commercial rooftop, and utility-scale ground-mount systems. Through 2022, benchmarks were developed using bottom-up. The average solar shopper saves between $37,000 and $154,000 over 25 years—not including any potential incentives—transforming what feels like a significant upfront cost into substantial long-term savings. With electricity rates climbing about 2. We compared research from government and solar. Installing solar panels is a long-term investment that can pay for itself through utility bill savings.