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Solar Radiation: How Dew, Frost, and Soiling Affect Irradiance Monitoring, and Ways to Mitigate

Don’t Let Dew, Frost, or Dirt Cloud Your Data Accurate measurement of solar radiation is essential for applications ranging from climate modeling and atmospheric research to solar energy forecasting. Yet,...
10. June 2025
MeteorologySolar Energy
DustIQ Soiling Sensor next to PV modules

Soiling Measurement and Monitoring on Photovoltaic Sites

Prior to a webinar on O&M efficiency with SolarCleano, a Luxembourg-based company specializing in solar panel-cleaning robotics, we sat down with Udo Kronmueller, our Applications Development Manager for Solar. Udo...
12. November 2024
Solar Energy
laptop open to image of solar panels

Solar PV Webinars: A Roundup of Three Popular Sessions

The photovoltaics industry is regarded as one of the fastest-growing sectors in renewable energy. With advancing technological innovations, emerging trends blending how to use PV sites (AgroPV as an example),...
4. November 2024
Solar Energy
Sun Trackers Kipp & Zonen RaZON+ (left) and SOLYS2

How to Choose the Right Sun Tracker?

A complete measurement of solar irradiance includes global (GHI), direct (DNI), and diffuse (DHI or DIF) radiation. To accomplish this, a high-quality solar monitoring station typically comprises an automatic sun...
17. October 2023
MeteorologySolar Energy

Podcast: Introduction to PV Soiling – Background, Impact, and Treatment Options

Dirty PV modules generate less energy than clean ones. This phenomenon called “soiling” sums up to losses of several billion dollars every year. Cleaning increases efficiency, but comes at a...
6. June 2023
Solar Energy

Top 5 Most Read Blog Articles 2022

The information and stories people look for tell a lot about a certain period. In 2022, the most read articles on this blog show a growing interest in solar energy...
4. January 2023
HydrologyMeteorologySolar Energy
Pyranometer PV Plant

How Trimark Boosts Efficiency of PV Plants With Precise Meteorological Data

We all know that fluctuations in the output of a photovoltaics plant are inevitable and can occur for lots of reasons. Due to these fluctuations plant operators run the risk...
19. October 2022
Solar Energy

Solar Energy Insights: Soiling, ISO 9060:2018, Floatovoltaics, and more

Voilà, here is the third issue of OTT HydroMet Insights! This time, we take a detailed look at the solar energy landscape, international standards, new applications and technologies.Around the world,...
2. June 2022
Solar Energy

Whitepaper: Reshaping The Renewable Energy Landscape With “Floatovoltaics”

Colocation is a growing trend within the energy industry, with sources such as wind, solar, geothermal and battery storage solutions being joined to optimize power generation. If a recent study...
25. March 2022
Solar Energy
Pyrheliometer in front of a mountain area

A trip to the Swiss village where the world calibrates its solar monitoring instruments

Measuring the energy of the sun precisely is not as easy as tracking distances or weight. To set an international standard for solar monitoring instruments radiometers, the World Radiation Centre in Davos, Switzerland, holds comparison...
19. January 2022
MeteorologySolar Energy

Observing the elements is key to better understanding our planet. This blog tells the manifold stories of experts working in environmental monitoring with help of our sensors and solutions.

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