Initial installation costs for solar panels range from $15,000 to $30,000 for an average farm. But what's the real cost of installing photovoltaic panels on farm roofs? Let's break down the expenses, incentives, and long-term savings to help you make an inf HOME / How Much Does It Cost to Install Photovoltaic Panels on Farm Roofs? How Much Does It Cost to Install Photovoltaic Panels on Farm. Solar energy for farmers is an intriguing concept. Whether you're powering irrigation pumps, cold storage, or milking systems, your monthly energy bill can add up quickly. Through 2022, benchmarks were developed using bottom-up.