In 2025, the average cost of Industrial Solar Panels ranges between $0. For large-scale installations, this translates to $200,000 to $300,000 per megawatt (MW). For example: A medium-sized factory requiring 500 kW of solar power may spend between. Typically, before tax subsidies and rebates, the cost of commercial solar panels is approximately $2. However, this cost depends on certain factors and can be increased and decreased. Panel Capacity – Higher-wattage panels cost more upfront but reduce the. Average price of solar modules, expressed in US dollars per watt, adjusted for inflation. This. Commercial solar power systems present a viable solution to these challenges, offering an opportunity to lower electricity bills, gain energy independence, and showcase environmental responsibility.