The average cost of solar panels in St. Petersburg is about $16,050 for a 5-kW system and $32,100 for a 10-kW system before the ITC, but the actual cost will depend on things such as the model of solar panels you want, what size system you need and how much energy you consume. . Our calculator uses real installation data from St. Petersburg homes—including neighborhoods like Old Northeast, Kenwood, and Tierra Verde—to show you accurate solar costs. 66 per watt. However, in St. Petersburg is around 5. 3 kilowatts, meaning a cost of about $11,854 for a solar installation, or $16,951. . You'll pay an average of $10,651 to install a 5 kilowatt solar panel system in Saint Petersburg, FL, before incentives. Act now: The federal investment tax credit (ITC) lowers the total cost of installing solar by 30%, but only until December 31, 2025 —after that, it's gone. Petersburg varies based on size, model, and customization options. Arka offers a range of solar gazebos, and you can get an estimate tailored to your specific needs. Petersburg homes. . Estimates the energy production of grid-connected photovoltaic (PV) energy systems throughout the world. It allows homeowners, small building owners, installers and manufacturers to easily develop estimates of the performance of potential PV installations. Operated by the Alliance for Sustainable. . However, prices aren't always simple—they vary depending on size, materials, certifications, and location. Let's break down what really goes into the cost and whether it's worth your money. This is what you're really. .