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Paid Workshops & Free Showfloor Training at RE+ 2026

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RE+ 2026 comes to the Las Vegas Convention Center, November 16–19th, and SEI’s instructors will be there leading training sessions. Come build your technical skills, learn from people who have done the work in the field, and see the newest solar and storage technology on the show floor. Look through our sessions below and pick the ones that fit your goals.

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Paid Training

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Commercial and Industrial (C&I) PV System Interconnection Concepts

November 18th, 8:00am–12:00pm | NABCEP CE hours: 4

Are you an experienced residential PV system designer, installer, project manager, or electrician looking to move into larger-scale systems? This presentation will introduce important concepts you’ll need to understand to successfully design and interconnect PV systems to a three-phase utility grid as part of a commercial or industrial (C&I) building electrical system. We will review the most common three-phase utility configurations, review site assessment best practices, and look at different examples of C&I electrical equipment and how to interconnect a PV system to them.

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Operations and Maintenance Best Practices

November 18th, 12:30pm–4:30pm | NABCEP CE hours: 4

PV and storage system installed capacity continues to grow each year, emphasizing the need for proper operations and maintenance (O&M) to realize operational goals. This rapid growth has created a workforce development challenge as there is a shortage of qualified technicians that can safely and effectively perform the work, and the industry has suffered from standardized methods and training.This course covers how workforce development initiatives, codes and standards, and improved training programs can help the sector to scale up. It will also explore best practices for performing a range of O&M tasks, including inspections and preventive maintenance, testing, and troubleshooting, along with advanced analytical tools, meters, and techniques such as infrared cameras, insulation resistance testers, I-V curve tracers, and other key tools for safely and efficiently performing O&M work. This course covers all sizes of grid-direct PV systems including residential, commercial, and large-scale, but does not cover battery maintenance or medium voltage-specific O&M tasks.

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Free Showfloor Training (English)

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2026 NEC® Changes Affecting PV and Energy Storage Systems

November 17th, 10:30am–11:30am

Join a voting member of Code Making Panel 4 for a discussion of changes in the 2026 NEC®. This presentation will focus on updates and changes that impact PV and storage system design and installation for all types of applications, ranging from off-grid, to interactive PV systems on buildings, up to utility-scale solar farms.

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PV Installation Best Practices

November 17th, 11:30am–12:30pm

The good, the bad, and the ugly: gain insight on how to do it right, save on installation time and labor, and avoid unnecessary call-backs and red-tags from your AHJ or utility. A fun-filled presentation on residential, commercial, and utility-scale PV systems that will make you groan, gasp, and, at the same time, have some “a-ha” moments.

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O&M Tools and Techniques

November 17th, 12:30pm–1:30pm

Learn the NFPA 70B standard, advanced diagnostic tools like infrared cameras and I-V curve tracers, and a step-by-step ground-fault troubleshooting procedure for keeping residential, commercial, and large-scale PV systems safe and running at peak performance.

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Large-scale PV and Storage System Configurations

November 17th, 4:00pm–5:00pm

This presentation covers common utility-scale PV and PV+ storage system configurations, including string inverter systems with various DC wiring options, central inverter systems with combiner boxes and disconnects, and PV systems coupled with battery storage in both DC-coupled and AC-coupled configurations.

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Attend North America’s largest renewable energy event

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Free Showfloor Training (Spanish)

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Opciones Comerciales para Interconectar FV

9 de septiembre, 10:30-11:30am

¿Eres un diseñador, instalador, administrador de proyectos o electricista con experiencia en sistemas fotovoltaicos residenciales y quieres pasar a sistemas de mayor escala Esta presentación te introducirá en los conceptos importantes que deberás comprender para diseñar e interconectar con éxito sistemas FV a una red eléctrica trifásica. Repasaremos las configuraciones trifásicas más comunes y veremos qué tipo de información se necesita de un sitio para poder completar el diseño de un sistema comercial. También veremos distintos ejemplos de dispositivos comerciales y debatiremos métodos sobre cómo y dónde interconectar un sistema FV en grandes instalaciones comerciales. Además, ofreceremos una visión general de los distintos tipos de equipos que probablemente se vayan a utilizar. Acompáñenos en esta presentación de una hora de duración para obtener una visión general de lo que se encontrará cuando trabaje en sistemas FV a gran escala.

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Configuraciones de sistemas FV con almacenamiento de energía para tarifas eléctricas variables y resiliencia

9 de septiembre, 4:00-5:00pm

Los cambios en las tarifas eléctricas, así como varios cortes significativos en el suministro eléctrico en los últimos años, están aumentando drásticamente la demanda de sistemas de FV residenciales, comerciales e industriales con almacenamiento de energía que puedan proporcionar beneficios económicos y de resiliencia. En esta presentación, comenzaremos explicando los conceptos básicos de cómo interactúan la energía solar, el almacenamiento y la red eléctrica para luego explorar diferentes arquitecturas de sistemas que puedan adaptarse a diversas estructuras tarifarias de servicios públicos, así como satisfacer las necesidades de energía de respaldo.

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Configuraciones de sistemas FV y de almacenamiento de energía a gran escala

10 de septiembre, 9:30-10:30am

En esta presentación, hablaremos de las configuraciones habituales de los sistemas FV y FV+ de almacenamiento de energía a gran escala. Entre ellas se incluyen los sistemas FV con inversores de cadena, que utilizan una de las distintas configuraciones de cableado de CC: cajas de combinación integradas, cajas de combinación externas y cajas de combinación con arnés de cables. A continuación veremos las configuraciones de inversores centrales, que incluyen opciones con cajas de combinación, arnés de cables y desconexiones de CC externas o integradas. Por último, trataremos los sistemas FV con almacenamiento de energía en baterías, destacando las configuraciones acopladas en CC y CA, incluidos los convertidores de CC a CC.

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Baterías Ion-Litio: Tipos y Consideraciones

10 de septiembre, 10:30-11:30am

Las tecnologías de Baterías Ion-Litio están avanzando rápidamente mientras su costo desciende casi con la misma rapidez. En esta presentación repasaremos algunos de los factores comunes que hay que tener en cuenta al comparar distintos tipos de baterías Ion-Litio, incluidos algunos detalles de la tecnología. Terminaremos analizando las ventajas e inconvenientes de los dos tipos más comunes de baterías Ion-Litio que se utilizan en los sistemas fotovoltaicos.

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