Learn how to design and install solar power systems for rural properties including off-grid and grid-tie options, component selection, and realistic cost expectations. Most barn systems achieve payback periods of 6-10 years compared to 8-12 years for. . A thoughtfully designed solar setup for your rural property starts with understanding your actual energy usage patterns. Minus tax credits, a typical $20,000 residential solar power system costs about $14,000. It's a serious investment, but eventually it pays off. Determine pricing strategies, 3. . But for most people, going with solar panel installations on their roof is still their top choice, considering their value and efficiency.