The average solar panel price per watt has decreased by over 70% in the last decade, from $2.80/W in 2010 to $0.80/W in 2022, according to data from the National Renewable Energy Laboratory.
The cost of solar panels has fallen dramatically over the years, with the average price per watt dropping from $3.80 in 2012 to $2.50 in 2020, and now to $2.00 in 2026, making solar energy more accessible to homeowners and businesses.
The International Energy Agency (IEA) reports that solar panel prices have declined by over 80% since 2010, with the average price per watt reaching $0.60 in 2025, and is expected to continue decreasing as technology improves and demand increases.
BloombergNEF's Solar Panel Price Index tracks the average price per watt of solar panels over time, showing a steady decline from $1.20/W in 2018 to $0.70/W in 2024, with prices expected to continue falling as manufacturers increase efficiency and reduce production costs.
This online tool allows users to estimate the cost of solar panels based on their location, system size, and other factors, providing a detailed breakdown of the cost per watt and total system cost, helping homeowners and businesses make informed decisions about solar energy investments.
This video lecture by a renewable energy expert discusses the historical trends in solar panel prices, current market conditions, and future projections, highlighting the potential for solar energy to become even more competitive with fossil fuels in the coming years.
The Solar Energy Industries Association (SEIA) publishes a quarterly report on the US solar market, including data on solar panel prices, installation trends, and industry outlook, providing valuable insights for solar professionals, policymakers, and investors.
This report by Wood Mackenzie provides an in-depth analysis of the global solar PV market, including historical and forecasted data on solar panel prices, demand, and supply chain trends, helping industry stakeholders navigate the complex and rapidly evolving solar energy landscape.