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Erebus Solar

Erebus Solar

On-site solar shade capture

3 ratings
1 review
🔧 Utilities
📊 Productivity
Free

Details

Released
September 18, 2026
Updated
October 5, 2026

Features

Developer

Todd Evans
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About

This app helps solar professionals measure on-site shade using their phone's sensors. It generates horizon files compatible with leading PV design software, aiding in accurate solar production estimates.

✓AR sun path visualization
✓Automatic sky capture
✓Sky Editor for obstruction tracing
✓Annual solar access analysis
✓PDF shade report export
✓Horizon file generation for design tools
✓Project organization by site
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What's New in Erebus Solar

1.0.1

October 5, 2026

Sky Editor: obstructions painted across North (Southern Hemisphere sites) now fill correctly.

User reviews

Most RecentHighest RatedLowest Rated

Absolute scam

I can’t believe this. I was tricked into downloading this app thinking it would be so cool only to find out it had NOTHING to do with Geometry Dash or the level Erebus. I’m so sad, I thought there was an app for my favorite level but now I know it’s just a scam 😔
PYperson135 yt

Response from developer

We agree. This is a terrible app for Geometry Dash. We’re not sure what in the app description or image previews led you to believe this was an app for Geometry Dash, and not for designing solar power systems, but we hope that you excel in your geometry studies 😀

FAQ

What is Erebus Solar?

Erebus Solar is a mobile application designed to help solar professionals measure on-site shade. It utilizes the phone's camera, compass, and sensors to capture the sky's envelope and generate horizon files for PV design software.

What design software is compatible with Erebus Solar's horizon files?

Erebus Solar generates horizon files that are directly read by leading PV design tools such as HelioScope and PVsyst. The same convention is also accepted by PV*SOL.

How does Erebus Solar help with accurate solar production estimates?

By accurately measuring far-field shading from obstructions like trees and buildings, Erebus Solar allows design software to model shading effects. This reduces estimation errors compared to guessing or relying on outdated methods.

Does Erebus Solar require an account or internet connection?

No, Erebus Solar stores all project data directly on your iPhone. It does not require an account or an upload, ensuring privacy and offline usability.

What are the key analysis features of Erebus Solar?

Erebus Solar provides annual solar access and TSRF for each array area, month-by-month charts, and a sun-path chart with your specific obstructions. It also offers an aerial view with solar envelopes over satellite imagery.

How frequently is Erebus Solar updated?

Erebus Solar was last updated on September 19, 2026, with version 1.0. This indicates it is a new release, and future updates will likely depend on user feedback and development plans.

What is the age rating for Erebus Solar?

Erebus Solar has an age rating of 4+. This means it is suitable for users aged 4 and above, with no significant mature content.

Does Erebus Solar have ads?

No, Erebus Solar is ad-free. The application does not contain advertisements, providing an uninterrupted user experience.