Note: This tool provides an approximate measurement. To use: Search for your address, click "Draw Roof" to outline your roof area, then place panels. Click on a panel to highlight it (red). Adjust your electric bill to fine-tune your savings estimate and the recommended number of solar panels for your home. Solar panels should be sunny, preferably on the south-facing roof. Choose a map or upload an image Use the default map, or select another. Using Google Earth imagery, AI and 3D models, Google Maps says its Solar API can encourage more solar adoption and installation, though the tool is geared more toward solar professionals and top solar. . Sun Direction Maps: Essential tools that show the Sun's path across the sky, helping optimize solar panel placement for maximum efficiency. Reading the Map: Key elements include azimuth angle (compass direction) and elevation angle (Sun's height).
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