NREL's Solar Radiation Research Laboratory Offers a Mesa-Top Home for Global Measurement Accuracy

The need for good data is foremost. A swing of just a half percentage point in the actual output of solar energy plants-compared to projected outputs-would represent about $165 million annually.

Extreme Winter Weather Hurts 2015 European Solar Performance

Conducting thorough weather analysis is essential for understanding in the short-term whether a project is performing as it should be, based on the available resource.

How Virtual Irradiance Tops Relative Performance Analysis

We think the satellite-image based Virtual Irradiance approach is a scalable and reliable solution to the problem of understanding solar PV performance.

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Featured Product

WS510 Secondary Standard

WS510 Secondary Standard

In the monitoring of large photovoltaic (Utility Scale), in assessing potential sites (Solar-assessment), or in up and coming electricity cost saving initiatives projects (Commercial & Industrial), the WS510 now provides the market a secondary standard pyranometer, ultrasonic wind speed, ultrasonic wind direction, temperature, pressure and humidity all in a single unit.. This sensor meets the high demands of the world meteorological organization (WMO) through the active valving at air temperature measurement and the inertia- and maintenance-free measurement of wind speed and wind direction on the ultrasonic principle. Equipped with a Kipp & Zonen pyranometer of the secondary standards, the WS510-UMB Compact weather sensor from Lufft unites the precision of a variety of meteorological individual sensors in a single all-in-one device, for the first time.