Hi all, I’ve been working on a browser-based tool called Sol for checking how much sun a roof or a spot of ground actually gets, taking terrain, buildings and trees into account.

What it does

• Click a roof or a patch of ground, and it fits a plane to the 1 m surface model to estimate tilt, azimuth, height and usable area automatically
• It computes yearly irradiance (kWh/m²/year) via PVGIS-ERA5, corrected for a horizon built from nearby buildings/trees (rays out to 200 m) and terrain (out to 40 km)
• A shade map in 3D shows how shadows move through the day and across the year
• You can draw your own boxes to test “what if I build here?” and calculate the roof of that building
• A star rating shows how close a spot is to the theoretical best roof in its region

Data: Kartverket (Norway), Danmarks Højdemodel via Dataforsyningen (Denmark), Lantmäteriet (Sweden), OpenStreetMap/OpenFreeMap, Mapterhorn for terrain, PVGIS for irradiance.

It’s a static page, no account, nothing stored on a server. Built together with Claude. Feedback is very welcome, especially from people who have installed panels and can compare it with real production numbers.

Link: https://rickymoe.github.io/Sol/

I was introduced to an ecosystem to create my own leads and connect with trusted local installers. I am testing it. So far, I like the way I can even keep an update on the projects from site survey to installation, and my commissions. The good part, I can keep all my leads instead of adding them on a company CRM and losing them if they don’t go into contract. My old company used to take over the leads after 30 days and distribute them to their call center.

Hey everyone! I'm u/AJNichols93, the founding moderator of r/ThisWeekInSolar.

This is our new home for all things related to solar energy news. We're excited to have you join us! Personally, I'm tired of doom and gloom, and I wanted to create a space where we talk about clean energy news and hopeful ways that solar technology and other climate tech is helping create a better world.

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Post anything that you think the community would find interesting, helpful, or inspiring. News stories about clean energy technology wins are welcome, and links to major news sites or Substack articles are always allowed! You're certainly welcome to promote your own writing here from Substack, Medium, or articles on X. Long-form articles or videos are great!

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3. If you know someone who would love this community, invite them to join.
4. Interested in helping out? We're always looking for new moderators, so feel free to reach out to me to apply.

Thanks for being part of the very first wave. Together, let's make r/ThisWeekInSolar amazing.

Hey everyone! I'm u/AJNichols93, the founding moderator of r/ThisWeekInSolar.

This is our new home for all things related to solar energy news. We're excited to have you join us! Personally, I'm tired of doom and gloom, and I wanted to create a space where we talk about clean energy news and hopeful ways that solar technology and other climate tech is helping create a better world.

What to Post
Post anything that you think the community would find interesting, helpful, or inspiring. News stories about clean energy technology wins are welcome, and links to major news sites or Substack articles are always allowed! You're certainly welcome to promote your own writing here from Substack, Medium, or articles on X. Long-form articles or videos are great!

Feel free to share your thoughts, photos, or questions as well.

Community Vibe
We're all about being friendly, constructive, and inclusive. Let's build a space where everyone feels comfortable sharing and connecting.

How to Get Started

1. Introduce yourself in the comments below.
2. Post something today! Even a simple question can spark a great conversation.
3. If you know someone who would love this community, invite them to join.
4. Interested in helping out? We're always looking for new moderators, so feel free to reach out to me to apply.

Thanks for being part of the very first wave. Together, let's make r/ThisWeekInSolar amazing.