Trusted by 200+ Companies

Specialized Testing Equipment for Solar Cells and Panels​

BrightSpot Automation provides the solar energy industry with specialized manufacturing and measurement tools that help solar manufacturers, researchers, and EPCs detect defects faster, improve yield, and ensure solar panel quality.

From electroluminescence (EL) and photoluminescence (PL) to ultraviolet fluorescence (UVF) and contact resistivity testing, we have the right solution for you. ​

Trusted By industry Leaders

BrightSpot Automation provides non-contact imaging and electrical measurement tools for photovoltaic R&D, manufacturing, and field deployment. Our solutions span the full lifecycle of solar—from single-junction silicon to multi-junction III-V cells, across terrestrial, space, and emerging perovskite applications. Whether you’re developing tandem stacks, building CICs, or inspecting installed blankets, our modular tools give you the data to move forward.

Solar panel testing equipment used in PV module manufacturing. Showing panel with defects.

Our Solutions

From Terrestrial to Space PV, we provide the Solar Energy Industry with specialized manufacturing and measurement tools.

Terrestrial PV

Detect defects, validate quality, and monitor degradation—from the lab to the field, all the way to decommissioning.

Detect defects, validate quality, and monitor degradation—from the lab to the field, all the way to decommissioning.

Space PV

Ensure mission-critical performance for aerospace solar, from cell R&D and panel manufacturing to final satellite integration.

Custom Solutions

Tailored EL, PL, UVF, and Multi-Mode Systems for PV Testing

BrightSpot offers customized imaging systems for factory line and robotic integration, offline testing, varied panel orientation and shape, and tight working distance constraints.

 Precision imaging for emerging solar technologies

Customized defect imaging solutions for Perovskite and Tandem cell/panel architectures.

Decades of experience and hundreds of customers

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Our Products

BrightSpot offers a wide range of systems with capabilities with applications spanning the complete PV value chain from R&D to product development to manufacturing to field testing. 

Electroluminescence & Photoluminescence

Precision Electroluminesence and Photoluminesence Tools

Ultraviolet Fluorescence

High-throughput UVF systems for fast, non-contact inspection of PV panels.

High-throughput, Noncontact Imaging of Panel Defects and BOM Variations

ContactSpot

Measure critical resistivities between gridlines and silicon or layer sheet resistivities

Measure critical resistivities between gridlines and silicon or layer sheet resistivities

Find the Right Tool for your Use Case

We’ll build your imaging setup to match your failure modes, down to the junction

Factor EL PL UVF
Noncontact – no need to bias cells/panels No Yes Yes
High Throughput No No Yes
New Panels Yes Yes No
See cracks Yes Yes Yes
See disconnected cell segments Yes No No
Tell “when” cracking happened No Yes No
See cold solder or weld joints Yes No No
See gridline corrosion Yes Yes Yes
See hot spots No No Yes
See edge seal and junction box seal failure No No Yes

IMPEL Software

Unified platform for EL and PL systems.

BrightSpot’s software platform for system control, image capture, analysis, and reporting. Modular and customizable, it integrates seamlessly across lab and field workflows.

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

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