The U.S. Department of Energy''s solar office and its national laboratory partners analyze cost data for U.S. solar photovoltaic systems to develop cost benchmarks to measure progress towards goals and
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Solar panel costs range from $16,600 to $20,500 for the average 6.5 kW system, but prices can vary from as little as $7,700 for smaller solar systems to upward of $34,700 for larger systems.
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How much do solar panels cost on average? As of 2026, the average cost of residential solar panels in the U.S. is between $15,000 and $25,000 before incentives. This typically translates to about $2.50
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Using these numbers, an average-sized 8-kilowatt residential solar system would cost between $21,900 – $26,400. Regional pricing differences, the system size, local installation costs,
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To build a utility-scale solar plant [^1], you must budget approximately $800,000 to $1,200,000 per megawatt (MW) of installed capacity. The total cost is dominated by the solar panels,
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Historic Low Pricing: Solar costs have reached unprecedented lows in 2025, with systems ranging from $2.50-$3.50 per watt installed, making the technology more accessible than ever before.
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NLR analyzes the total costs associated with installing photovoltaic (PV) systems for residential rooftop, commercial rooftop, and utility-scale ground-mount systems. This work has grown
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Most homeowners spend between $12,600 and $33,376 to install a complete residential solar system in 2026, with the national average at $19,873 before incentives.
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On average, homeowners pay between $2.50 to $3.50 per watt installed. For a typical 6 kW system, this comes out to approximately $15,000 to $21,000. DIY Solar Panel Cost: Is It
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Using these numbers, an average-sized 8-kilowatt residential solar system would cost between $21,900 – $26,400. Regional pricing differences,
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Cost of solar in 2026 explained. Learn what impacts solar panel installation cost, how solar and battery storage add value, and options with little to no upfront cost.
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