Defined term
Pyranometer
NREL's weather-corrected performance guidance uses a calibrated pyranometer to measure horizontal irradiance.
measurement · Concept code GS-CONCEPT-136 · Last verified August 28, 2026
Evidence through 2013 · 0 sources have no source-event date
Content modified 2026-08-28
Definition and decision context
Definition
NREL's weather-corrected performance guidance uses a calibrated pyranometer to measure horizontal irradiance.
Verified August 28, 2026
Why it matters
A pyranometer measurement supports a weather-corrected method only when its calibration and measurement plane are documented.
Verified August 28, 2026
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Learning navigation
Primary topic: Performance
Broader topic
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More specific topics
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Learn first
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Builds toward
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Primary sources
- National Renewable Energy Laboratory: NREL/TP-5200-57991, Weather-Corrected Performance, instrumentation and module-temperature method, PDF pp. 10-12
Revision NREL/TP-5200-57991 · Source event as of 2013 · Ontology accessed August 28, 2026 · Ontology verified August 28, 2026