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Solar Energy Technical Advisory Services

A comprehensive portfolio of independent technical advisory, testing, inspection, certification and software services to the solar energy industry.

Utility scale solar energy project


We offer a comprehensive portfolio of independent technical advisory, testing, inspection, certification and software services to the solar energy industry that empower trust throughout the project life cycle and across the value chain. We can help you with services to manage the safety and performance of materials, components, products and systems with testing, inspection and certification.

Our technical advisory services and software and data tools are designed to help solar industry stakeholders, such as developers, investors, financiers, owners, operators, utilities, grid managers, and policymakers, understand the intricacies of solar energy production and its ability to produce clean, renewable energy. These services support all phases of the project life cycle including feasibility, planning, design, construction, financing, investment, operations, maintenance and management of solar energy assets.

Learn more about how we support the solar industry:

Project Development Support

Decisions made during the earliest stages of solar project development are crucial to long-term success. We help you navigate complexities and mitigate risks associated with site screening, feasibility, resource assessment, array design, energy assessment, technology selection and suitability, infrastructure and balance of plant. Visit Solar Project Development Support to learn more.

Asset Management

Growing investments in renewable power plants, aging fleets and the desire to ensure safety while maximizing asset value all drive companies to our asset management services. We help you evaluate and optimize your projects’ operations and maintenance (O&M), contracts, health and safety and remaining useful life. Our goal is to help you maximize energy production, reduce downtime and O&M costs, help assess project safety standard compliance, and support key decisions around asset life and repowering. See Asset Management for more information.

Due Diligence

We provide comprehensive, flexible and timely due diligence services for the wind industry. We help make the critical financial close of a wind project as smooth and successful as possible. Leverage our technical and commercial expertise, along with our understanding of the intricacies of project finance to raise capital. Our team of engineers and technical advisers will help you prepare your project for financing, mitigate risk, and assess whether project proposals comply with technical standards and are ready for construction. The approach we employ for our Independent Engineering (IE) reports has been thoroughly vetted with some of the world’s top lead arrangers and lenders, so we know exactly what they are looking for, supporting a timely transaction. Visit Due Diligence for more information.

Grid Solutions

Our grid solutions services focus on integrating large quantities of renewable energy into the power grid. As the renewable energy market grows so does the importance of quantifying the impact of centralized and distributed wind and solar technologies on our power infrastructure. Understanding power generation characteristics that result from wind variability across space and time is key to helping promote safe, reliable and economical operations. See Grid Solutions to learn more.

Software and Data

We offer a range of software products to support the development, assessment and operation of renewable energy projects. These products leverage our knowledge and expertise to enable your team to do its work more productively, effectively and the option to work more independently. See Wind Software to learn more.

Large Scale Grid and Market Studies

Developing good policies and effective plans for expanding renewable energy requires reliable and detailed information about resources, energy production potential, plant output characteristics, economic impact and other factors. If you are responsible for putting policies or infrastructure in place to support a sound growth path and reliable energy delivery, we can provide the data and expert advice you need. Visit Research and Advance Studies for more information.


As wind energy technologies advance, their continued safety, reliability and performance is important. As safety science experts, we help clients navigate these risks through certification for products, projects and grid code compliance. See Certification to learn more.

List of UL Certified PV Installers

Testing and Inspection

Manufacturers of renewable technologies, such as wind turbines and peripheral equipment, rely on our technical and safety science experts to help navigate the risks. We operate renewable energy testing sites around the globe and perform inspections of operating equipment in the field. Visit Testing and Inspection for more information.

Commercial Laboratory Services

We offer commercial laboratory services for the solar industry designed to meet the needs of laboratory directors and quality/compliance managers who are responsible for testing laboratories used for research, new product development, product performance, reliability or quality evaluations. See Commercial Laboratory Services to learn more.

Why UL Solutions

With a team of more than 500 experts and decades of experience, we have a proven track record of helping stakeholders mitigate risk and navigate complexities associated with solar energy technologies.

  • Assessed with more than 100 utility-scale solar projects since 2013
  • UL Solutions has more than 40 specialized solar engineers
  • Independent/owner’s engineer for more than 550 wind and solar projects since 2012
  • Forecast provider for more than 70 gigawatts of centralized and distributed wind and solar generation capacity across the globe
  • Evaluated 1.7 gigawatts of installed photovoltaic (PV) systems
  • Performed more than 1,000 PV product evaluations annually
Download our brochures

Solar Energy Services (2)

4.5 MB

Commercial Laboratory Services for Solar Industry

269.15 KB

Upgrade UL 508 Certification to UL 508I for Photovoltaic (PV) Disconnecting Applications

114.81 KB

IEC / UL 61730 - The New Harmonized Standard for Safety

114.11 KB

IEC / UL 61730 - The new harmonized standard for safety

Whether you’re a manufacturer, integrator, installer, inspector, developer or financier of PV systems, you’ll benefit from the knowledge shared in this webinar from the experts that participated in writing the standard.

Watch our webinar

How to navigate the new mandatory PV regulation for India market access

In this webinar learn how you can streamline your PV systems access to India.

Watch our webinar

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