Sunvoy can now show weather-adjusted production data using Open-Meteo irradiance data.

This helps solar teams understand whether a system’s production gap is likely caused by weather conditions or an actual system issue.

Why This Matters

Not every drop in production means something is broken.

Cloud cover, seasonal irradiance changes, and local weather conditions can all affect output. With weather-adjusted performance data, teams can better explain why a system produced more or less than expected.

This helps O&M teams:

• Diagnose performance concerns more accurately

• Avoid unnecessary truck rolls

• Explain production differences to homeowners with more confidence

• Separate weather-related dips from true system underperformance

How It Works

Sunvoy compares:

• Actual production

• Estimated production

• Typical GHI

• Actual GHI

• Weather-adjusted energy expectations

This creates a clearer picture of system performance and helps teams answer the important question:

“Is this system underperforming, or was the weather simply worse than expected?”