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With over 500 experts and 35 years of experience in renewable energy we mitigate risk and navigate complexity throughout the project lifecycle and across the value chain.

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Renewable energy technical advisory, certification, and testing services from one trusted source, UL.

AWS Truepower and UL DEWI are now UL

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UL supports the wind, offshore wind, and solar energy industries. Learn how we empower successful outcomes.

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Renewable energy solutions provide support throughout the project lifecycle and across the value chain.

Knowledge Center

  • Brochure

    UL Renewables Wind Certification

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  • Brochure

    UL Renewables Asset Management Qualifications

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  • Brochure

    UL Renewables Solar Energy Services

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  • Brochure

    UL Renewable Energy Services Overview

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  • Article

    Pyranometers Versus Reference Cells for Solar Monitoring

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  • Article

    Use Data to Boost Output Over Entire Portfolio

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  • Article

    The Value Proposition of Load Coincidence and Offshore Wind

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  • Article

    Wind Speed Only Tells Part of the Story

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  • Presentation

    Is Solar Overproduction Costing You?

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  • Presentation

    Offshore Wind: Mitigation of Natural Gas Based Market Price Spikes During Extreme Cold Weather Conditions

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  • Presentation

    Map-based Energy Estimates: How Accurately Can Wind Plant Production Be Estimated without On-site Wind Measurements?

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  • Presentation

    From Minimizing Risk to Maximizing Performance: Flat Panel PV Resource Assessment Best Practices (Forum)

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  • Study

    The Wind Forecast Improvement Project: Final Results from the Southern Study Area

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  • Assessment of Offshore Wind System Design Safety and Operation Standards Report
    Study

    Assessment of Offshore Wind System Design, Safety, and Operation Standards

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  • Study

    Observing System Simulation Experiments (OSSEs) for the Mid-Columbia Basin

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  • Study

    New York’s Offshore Wind Energy Development Potential in the Great Lakes: Feasibility Study

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  • Technical Paper

    Wind Flow Modeling Uncertainty

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  • Technical Paper

    A Study of Wind Speed Variability Using Global Reanalysis Data

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  • Technical Paper

    Reducing Uncertainty in Solar Energy Estimates: Mitigating Energy Risk Through On-site Monitoring

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  • Technical Paper

    The Openwind Deep-Array Wake Model: Development and Validation

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  • Video

    Windnavigator – Wind Resource Grids

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  • Video

    Windnavigator – Time Series Data

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  • Video

    Windnavigator – Data and Maps

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  • Video

    Using Uncertainty Maps to Optimize Wind Plant Design and Manage Risk

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  • Webinar

    Ensayo de curva de potencia: ¿capricho o necesidad?

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  • Webinar

    Disponibilidad de acuerdo a IEC61400-26. El parámetro clave en el O&M de parques eólicos.

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  • Webinar

    Cybersecurity for Wind Farms

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  • Webinar

    Due Diligence Technique : comment identifier et réduire les risques des projets éoliens et solaires?

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What’s New?

Upcoming Webinar! UL has improved #Windographer, industry leading software for analyzing and visualizing #wind data, Windographer Database Creator, and Windographer Monitor, a wind data management service. Register! 03 Oct. 2018 | 10:00 EDT, 14:00 CEST https://t.co/DKa7ARRtzL

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