As solar energy adoption grows in 2025, both homeowners and installers rely heavily on technology to streamline design, monitoring, and system optimization. Whether you’re managing a solar installation business or simply looking to track your system’s performance, using the best solar apps can make a significant difference.
Here are the top 5 solar apps that are transforming the solar industry in 2025:
1. Aurora Solar – Best for Design and Proposal Creation
Ideal for: Solar installers, designers, and sales teams.
Aurora Solar continues to lead the market as a powerful cloud-based design tool. This app allows users to create highly accurate solar proposals with 3D modeling, shade analysis, and financial forecasting—all in one platform.
Key Features:
- Instant shade reports using LIDAR data
- Utility rate forecasting
- Integrated financing options
- Permit-ready design reports
For professionals who want a fast, all-in-one platform for system design and client presentations, Aurora is one of the best solar apps in the business.
2. PVWatts Calculator (by NREL) – Best for Energy Output Estimation
Ideal for: Homeowners, students, and DIY solar enthusiasts.
The PVWatts Calculator by the National Renewable Energy Laboratory (NREL) is a free, web-based tool that estimates solar panel energy production based on location, tilt, and system size. It’s an essential app for those just getting started with solar energy planning.
Key Features:
- Simple user interface
- Weather-based solar irradiance data
- Annual production and savings estimates
Whether you’re evaluating your home’s solar potential or preparing a feasibility report, PVWatts is one of the best solar apps for forecasting your solar ROI.
3. SolarEdge Monitoring App – Best for Real-Time System Monitoring
Ideal for: Homeowners with SolarEdge inverters and installers managing client systems.
The SolarEdge app allows users to track solar energy production, consumption, and system performance in real-time. Installers use it for diagnostics, while homeowners can monitor efficiency and savings easily.
Key Features:
- Live power flow diagrams
- Historical data tracking
- Mobile alerts for system issues
- User-friendly dashboard
As more homeowners seek transparency and control, the SolarEdge Monitoring app stands out among the best solar apps for performance management.
4. Solargraf – Best for Fast Proposals and Sales
Ideal for: Solar sales teams and contractors.
Solargraf is a popular app among sales professionals in the solar industry. It enables fast and accurate quote generation using satellite imagery, permitting data, and integrated financing tools.
Key Features:
- Easy-to-use interface
- Branded proposals with e-signature
- Utility and financing integration
- Project tracking and CRM features
With speed being essential in a competitive solar market, Solargraf earns its spot as one of the best solar apps for closing deals quickly and professionally.
5. Enphase Enlighten – Best for Enphase System Users
Ideal for: Homeowners and installers using Enphase microinverters.
This app provides real-time monitoring and system status updates for Enphase systems. Homeowners can track the energy generated from each panel, while installers can manage multiple customer sites with ease.
Key Features:
- Module-level performance tracking
- Remote system troubleshooting
- Energy consumption insights
- Push notifications for issues
For those using Enphase hardware, Enlighten is undeniably one of the best solar apps to maintain system health and optimize production.
Final Thoughts
The solar industry in 2025 is all about efficiency, accuracy, and data-driven decisions. Whether you’re designing new systems, monitoring performance, or just exploring solar for your home, the best solar apps make these tasks easier and more effective.
These top 5 apps—Aurora Solar, PVWatts, SolarEdge Monitoring, Solargraf, and Enphase Enlighten—offer unique benefits tailored for both professionals and homeowners. By integrating them into your workflow or daily use, you’re not just keeping up with technology—you’re staying ahead in the solar game.
⚡ Ready to streamline your solar design process?
At Ramsun Solar Design, we help installers and homeowners across the U.S. with precise solar permit designs, system sizing, and code compliance. Whether you’re using one of the best solar apps or need expert guidance, we’re here to help.
📩 Contact us today to get started on your next solar project!