The average cost of solar panels ranges from $2. 50 per watt installed, with most homeowners paying between $15,000 and $35,000 for a complete system before incentives. The cost of installing solar is far less intimidating when you understand the various components, how savings are generated, and different ways to lower your cash outlay through financing. In this article, we'll explore: Do solar panels really save you money? As always, our goal is to empower you. Historic Low Pricing: Solar costs have reached unprecedented lows in 2025, with systems ranging from $2. Federal Tax Credit Urgency: With Congress proposing to end the 30% federal tax credit after 2025, homeowners. NLR analyzes the total costs associated with installing photovoltaic (PV) systems for residential rooftop, commercial rooftop, and utility-scale ground-mount systems. Your actual cost depends on your home's energy needs, roof characteristics, location and other factors, all of which we'll break down in. Numbers calculated by financial advisory Lazard as of June 2025 estimate price ranges for the generation of one MWh of energy by different sources. 5 kW system, but prices can vary from as little as $7,700 for smaller solar systems to upward of $34,700 for larger systems.