Definition
Meteonorm is a global weather database providing Typical Meteorological Year (TMY) data — GHI, DNI, DHI, temperature, wind speed — used by PVsyst and other solar simulation tools. Meteonorm 8 (2020) is the current bankable standard.
Key Takeaways
- Meteonorm = global TMY weather database.
- Used by PVsyst as default weather source.
- Bankable for most projects; alternatives Solargis or NSRDB (US).
- Commercial license required.
- Latest version: Meteonorm 8 (2020).
Frequently Asked Questions
4 commonly searched questions about Meteonorm.
What is Meteonorm?
Global weather database from Meteotest. Provides Typical Meteorological Year (TMY) data for solar energy modeling. Embedded in PVsyst as default weather source.
How accurate is Meteonorm?
Reasonable for most locations; uncertainty 5–10% for tropical and high-altitude. Solargis often more accurate for specific desert/tropical sites.
Is Meteonorm free?
No. Commercial product (€500–€2,500). Embedded in PVsyst at additional license cost. Solargis Prospect is a paid alternative.
Meteonorm vs. NSRDB?
Meteonorm: global. NSRDB: US-focused, free, satellite-derived. For US projects, NSRDB is preferred. For India and global, Meteonorm or Solargis.
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