A standard 40HC container that cost $3,500 pre-2023 now averages $4,200 – and that's before adding solar components. Pro tip: Some suppliers now offer "container-lite" designs using recycled materials to sidestep steel price volatility. In this tutorial, we'll break down important design steps and offer real-world applications—like installations in Fiji and Zanzibar—to show you how to do it right. Identify. . NLR analyzes the total costs associated with installing photovoltaic (PV) systems for residential rooftop, commercial rooftop, and utility-scale ground-mount systems. Depending on your geographic location, you can produce up to 4250 kWh per year.