Terrestrial PV

End-of-Life Decommissioning

Our imaging tools inform your re-use vs. recycling decisions, both in-field and at the recycling facility

PV Lab provides testing services for commercial installations and solar parks in Australia. We have been using BrightSpot's UVF-Spot system to screen modules for damage after storm events, and have appreciated BrightSpot's depth of knowledge and support of the UVF system since we started using it.

– Dr. Michelle McCann, CEO.

PV Lab Logo

Assesment made easy

As PV systems approach the end of their service life, asset owners face mounting pressure to decide: repower, repurpose, recycle or resell? Each path carries different risks and rewards. Yet most decisions are made with minimal inspection, relying on string-level performance data or visual checks alone.
BrightSpot enables a new level of decommissioning intelligence with portable EL and UVF imaging systems purpose-built for the field. Whether you’re sorting modules for second-life use, assessing degradation, or planning component recycling, our technology gives you the data to act with confidence.

From the Field to The Lab

End-of-life inspection begins where the panel is—on rooftops, in fields, or in test arrays—and continues in the lab with advanced EL/PL tools. This seamless transition allows stakeholders to quickly identify degradation modes, sort recoverable modules, and collect the forensic data needed for warranty claims, recycling decisions, and repowering strategies.

EL & UVF in the Field

EL & UVF in the Field

Portable systems for rapid, non-invasive diagnosis of cracked cells, PID, and material degradation—directly on installed modules. EL pinpoints hidden defects; UVF adds fast, scalable inspection.

EL & UV Fluorescence in the Warehouse

EL & UV Fluorescence in the Warehouse

Screen fast for cracked cells and other problems with UVF, and for those that pass, image defects more thoroughly with EL.

Custom Solutions

End-of-life inspection requires imaging insights from both Electroluminescence and Ultraviolet Photoluminescence and our Custom EL/UVF System delivers exactly that: an in-line system for sunny-side-down imaging.

2-camera EL/UVF inline system for sunnyside down imaging at a recycling/re-use company.

EL/UVF system

2-camera EL/UVF inline system for sunnyside down imaging at a recycling/re-use company.

Maximize the Value of Aged Panels for Your Company

System Owners

Demonstrate the panel quality to potential buyers of your decommissioned system 

Used Panel Buyers

Reduce risks by testing before you buy and install in a new system 

Field Testing Companies

Differentiate your company with the highest quality, most informative tools

Recycling/Re-Use Companies

Sample test before you buy, test in the field to sort panels, and/or test at the recycling facility to inform resale decisions

When Should You Test?

Before De-Mounting Panels

Determine panel quality and potential for re-use prior to selling/buying. Tag for resale vs. recycling streams.

Before Recycling

Test at the recycling facility and redirect best panels to resale channels to maximize revenue

BrightSpot Makes the Invisible Visible

Bill of Material Variations

UVF can reveal variations in encapsulant backsheet and metallization paste, which can affect degradation rates

Cell Cracks

EL and UVF can see solar cell cracks, even those which are not yet affecting power or visible in thermal IR images

Sealing Failures​

UVF can reveal sealing problems at the junction box penetrations and the perimeter of the panel 

Gridline Interruptions

EL can see Gridline Interruptions Caused by Soldering (GICS) – an industry-wide problem for modern, multi-wire panels 

Potential-Induced Degradation (PID)

EL can see PID effects especially clearly with high/low current level testing 

Gridline Corrosion​

EL and UVF can see metallization corrosion problems that increase series resistance losses 

Cold Solder Joints

EL can reveal soldering problems between interconnect wires and the cell or the bussing wires – an industry-wide problem for modern, multi-wire panels 

Hot Spots

UVF can see cells that had been running hot due to cell cracking or partial shading 

Thin-film Shunting

EL can see small shunts in thin-film panels, sometimes caused by partial shade induced damage 

IMPEL Software

Control

IMPEL is the unified control platform for BrightSpot imaging systems, enabling seamless coordination of camera, light sources, and power supply. From a single interface, users can adjust exposure settings, trigger PL or EL sequences, and automate capture workflows across multiple system components.

Enhancement

Built-in image processing tools help users sharpen contrast, highlight defects, and visualize subtle variations in cell or panel performance. With support for custom filters and multispectral imaging, IMPEL ensures every captured frame delivers actionable insights, whether in R&D or field diagnostics.

Report

IMPEL simplifies documentation by generating detailed reports with embedded images, metadata, and measurement context. Export results for internal QA, client acceptance, or long-term traceability – standardized and ready to share.

IMPEL Software Preview

decades of experience and hundreds of customers

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BrightSpot Automation global presence in PV imaging tools

Publications

Here you’ll find white papers, case studies, and expert commentary designed to provide practical takeaways for professionals and decision-makers

Customized Defect Imaging Solutions for Perovskite and Tandem Cell/Panel Architectures

UV Fluorescence Imaging Of Defects And Bill Of Materials Variations In Bifacial Solar Panels

EUPVSEC – Bilbao, Spain – Sep 22, 2025

Ultraviolet Fluorescence Imaging for Photovoltaic Module Metrology: Best Practices and Survey of Features Observed in Fielded Modules

IEEE Journal of Photovoltaics ( Volume: 15, Issue: 3, May 2025)

Low-Cost Daytime Electroluminescence Imaging

NREL PV Reliability Workshop – Lakewood, CO USA – Mar 6, 2025

UV Fluorescence Imaging for Solar Panel Product Development and Durability Testing

NREL PV Reliability Workshop – Lakewood, CO USA – Feb 28, 2024

Unveiling the Unseen: Harnessing UV Fluorescence for Comprehensive Rooftop PV System Assessment and Successful Insurance Claims Process

NREL PV Reliability Workshop – Lakewood, CO USA – Feb 28, 2024

Detection and Impact of Cracks Hidden Near Interconnect Wires in Silicon Solar Cells

50th IEEE PVSC, Jun 12 2023