In 2025, a 10 kW solar panel system costs around $25,400 before incentives, based on real installation data from across the country. But your actual price will depend on factors like your roof's complexity, local labor costs, the equipment you choose, and what incentives are. . The final cost of a solar container system is more than putting panels in a box. This is what you're really paying for: Solar panels: Mono or poly crystalline material quality, wattage size, and efficiency influence cost. Battery storage: Lithium-ion vs. Why trust EnergySage? As subject matter experts, we provide only objective information. It can take up space between 55 to 70 square meters. The system can generate up to 16,400 kWh of electrical energy every year or up to 45kWh. . Popular across countries like the US and Australia, 10 kW Solar Systems have emerged to be the top choice for house owners looking to go clean and green. 10 per watt with the latest, most powerful solar panels, module optimizers, or micro-inverters. For home or business, save 26%. .