Solar Forecasting Apps Decoded : Solar Forecast, PVSyst and Aurora Solar
If you own a small rooftop system or run a solar blog, this is the easiest forecasting tool to start with.
🌤️ 1. Review: Solar-Forecast.com – Simple, Accurate, and Perfect for Small Solar Owners
⭐ Overview
Solar-Forecast.com provides day-ahead and week-ahead solar production forecasts using weather models + AI corrections. The interface is extremely simple—enter location → get forecast.
✅ Pros
Very easy to use
Neat, clean dashboard
Good accuracy for day-ahead predictions
Works well for small and medium-sized solar systems
No software installation needed
❌ Cons
Not designed for utility-grade systems
Limited advanced control settings
Not suitable for EPC modeling or shading analysis
👤 Best for
Home solar owners
Beginner-level solar users
People who just want quick, reliable forecasts
Bloggers and content creators need easy charts
🏁 Verdict
A fast, user-friendly rooftop PV forecasting tool for everyday solar users. Great accuracy with zero learning curve.
⚡ 2. Review: PVsyst – The Industry Standard for Professional Solar Forecast
If you work in solar professionally, you will NOT avoid PVsyst.
⭐ Overview
PVsyst is the most widely used software for PV system design, simulation, shading analysis, losses, and energy yield calculations. EPCs, developers, and
engineers rely on it.
✅ Pros
Extremely detailed simulations
Bankable, industry-trusted results
Accurate shading and loss diagrams
Ideal for utility-scale projects
Large component database (inverters, modules, trackers)
❌ Cons
Steep learning curve
Outdated UI
Requires installation
Not suitable for casual solar consumers
Expensive for individuals
👤 Best for
Solar engineers
EPC companies
Developers who need accurate pre-bid modeling
Anyone preparing feasibility reports
🏁 Verdict
PVsyst is powerful but complex—perfect for professionals, overkill for beginners.
☀️ 3. Review: Aurora Solar – Modern, Cloud-Based Solar Design for Sales and Forecasting
Aurora Solar is like PVsyst, but modern, cloud-based, and sales-friendly.
⭐ Overview
Aurora Solar lets solar companies design rooftop layouts, run shade analysis, estimate production, and create proposals—all online.
✅ Pros
Very modern and easy to use
Accurate 3D modeling and shading
Auto-generated proposals
Sales + engineering in one platform
Cloud-based (no installation)
❌ Cons
Subscription pricing is high
Primarily for companies, not individuals
Some advanced engineering features still require PVsyst
👤 Best for
Solar installers
Sales teams
Companies offering rooftop solar
People who need quick proposals + decent accuracy
🏁 Verdict
Aurora Solar is the best choice for solar companies that want speed, professional proposals, and modern modeling—though it comes at a premium price.