How Long Does Commercial Solar Installation Really Take? A Week-by-Week Breakdown
If you're considering commercial solar for your business, you've probably asked yourself, "How long will this actually take?" The answer isn't as simple as "two weeks" or "three months." Understanding the real timeline helps you plan better, minimize disruption, and set realistic expectations with your team. The Truth About Commercial Solar Timelines Most business owners are surprised to learn that physical installation—the actual panels going on your roof—takes only 3-7 days for an average commercial building. So why do solar companies quote 3-6 months for the entire project? The answer lies in everything that happens before and after those installation days. The complete timeline depends on three major factors: your building's complexity, local permit requirements, and your utility company's interconnection process. Let's break down what really happens week by week. Week 1-2: Site Assessment and Engineering Design Your ...