You want to put solar panels on (due to 75% available area, the viable roof area is 450 sq ft, the calculator accounts for that). Just slider the slider to ‘600’ and you get the results: You can put a 7.763 kW solar system on a 600 sq ft room. If you use only 100-watt panels, you will be able to fit 77 of them on the roof.
On average, the amount of required roof space for a set of home solar panels is between 300 sq ft and 500 sq ft total. When looking into a system for your home, the amount of required roof space will be dictated by the number of solar panels you plan to install. However, limited roof space can also limit the potential size of your installation.
A typical 20-panel system needs 340-400 square feet of unshaded roof area. Orientation: South-facing roofs provide maximum energy production Tilt: 30-45 degree angles optimize solar collection Shading: Minimal obstruction from trees, chimneys, or neighboring buildings Age: Roofs should have 10+ years of remaining life before panel installation
The average residential solar panel size is about 17.5 sq ft—though it’s good to overestimate the area required as some installation space is necessary between the panels and rows. When installing 22 panels like in our example, and each panel takes up about 18 sq ft, your system would require approximately 396 sq ft of roof space.
Our home solar PV systems and energy storage products are engineered for reliability, safety, and efficient deployment in Polish conditions. All systems include comprehensive monitoring and control with remote management capabilities.
How many solar panels do I need? Use our 2025 calculator to size your system by home size, kWh usage, and location. Get panel count, roof space, and kW—free from SolarTech.
Learn MoreLearn how to estimate the number of solar panels that can be installed on your roof based on size, efficiency, and environmental factors.
Learn MoreHow many solar panels do I need? Use our 2025 calculator to size your system by home size, kWh usage, and location. Get panel count, roof space, and kW—free from SolarTech.
Learn MoreOnline Solar Roof Top Calculator Calculates the number of solar panels, kilowatt capacity, daily unit production, and require area in Square Meter as well as Square Feet based on the …
Learn More5 steps to calculate the area needed for your solar panel installation Calculating the square footage needed for your solar installation depends on many unique project factors, which include your roof’s …
Learn More5 steps to calculate the area needed for your solar panel installation Calculating the square footage needed for your solar installation depends on many unique project factors, …
Learn MoreSolar Panels for Roofs Our solar panel calculator helps you determine how many solar panels can be installed on your roof and how much electricity they can generate. It …
Learn MoreHere is how you can use this solar rooftop calculator to determine the solar system size and number of 100-watt, 300-watt, or 400-watt solar panels you can place on your roof: Let’s say you have a 600 sq …
Learn MoreSolar Panels for Roofs Our solar panel calculator helps you determine how many solar panels can be installed on your roof and how much electricity they can generate. It calculates the …
Learn MoreWe estimate that a typical home needs between 17 and 21 solar panels to cover 100 percent of its electricity usage. To determine how many solar panels you need, you’ll need …
Learn MoreHow many solar panels will fit on your roof? Read our guide to average roof sizing, usable roof space and how much you should expect to save with solar panels.
Learn MoreSolar Panel Roof Mount Calculator Instruction This calculator is designed to help you determine the number of solar panels that can be installed on your roof based on your available space and selected panel …
Learn MoreLearn how to estimate the number of solar panels that can be installed on your roof based on size, efficiency, and environmental factors.
Learn MoreSolar Panel Roof Mount Calculator Instruction This calculator is designed to help you determine the number of solar panels that can be installed on your roof based on your …
Learn MoreCalculate the total area needed for your solar panel installation quickly and accurately with our easy-to-use solar panel area calculator.
Learn MoreCalculate the total area needed for your solar panel installation quickly and accurately with our easy-to-use solar panel area calculator.
Learn MoreHere is how you can use this solar rooftop calculator to determine the solar system size and number of 100-watt, 300-watt, or 400-watt solar panels you can place on your roof: …
Learn MoreWe estimate that a typical home needs between 17 and 21 solar panels to cover 100 percent of its electricity usage. To determine how many solar panels you need, you’ll need to know: your annual electricity …
Learn MoreLatest developments in solar PV technology, energy storage advancements, commercial power solutions, and industry insights from our team of renewable energy experts across Poland.
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Contact our technical sales team for home solar PV systems and energy storage solutions in Poland. We provide customized quotations based on your specific project requirements and energy needs.
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