Solar Energy International (SEI)

09/03/2026

Johnny Weiss turned potlucks into strategy sessions and front porches into classrooms. That scrappy beginning grew into an organization that's now trained more than 150,000 people in 100+ countries today. But this story is only beginning:

09/02/2026

08/28/2026

🇵🇦 ¡Nos vemos en RE+ Centroamérica 2026!
Este 9 y 10 de septiembre, SEI llega a Ciudad de Panamá con dos talleres técnicos diseñados para profesionales que buscan fortalecer sus conocimientos en sistemas fotovoltaicos y almacenamiento de energía. ☀️🔋

📅 9 de septiembre
Fundamentos de Sistemas FV y Almacenamiento de Energía
📅 10 de septiembre
Sistema Fotovoltaico Avanzado + Baterías
Puedes participar de uno o ambos días y profundizar desde los conceptos fundamentales hasta el diseño y dimensionamiento de sistemas FV + baterías multimodo conectados a la red.

📍 Hotel RIU Panamá, Ciudad de Panamá
💲 1 día: USD 90 | 2 días: USD 150
⚠️ Cupos limitados. Los talleres requieren inscripción adicional a RE+ Centroamérica.

👉 Conoce todos los detalles y regístrate aquí:
https://hubs.ly/Q04vM6KT0
¡Te esperamos para seguir impulsando juntos el desarrollo de la energía solar en Latinoamérica! ☀️🌎

08/25/2026

When the Hoʻāhu Energy Cooperative on Molokai began transitioning off diesel generators, they needed a trained local workforce to build, operate, and maintain their new solar nanogrid. The Johnny Weiss Solar Access for All Initiative made that training possible…and the momentum hasn't stopped. Read the full story:

08/18/2026

Balancing look and speed during solar module alignment is an acquired art. SEI instructor Kelly Larson breaks down her 15-second rule for clean yet efficient installs.

08/13/2026

SEI's 2025 Annual Report is here! In our 35th year, we trained 11,952 students, awarded 411 scholarships worth $349K, and grew our alumni network to 150,000+ in 100+ countries. Read the full report:

Learn about the impact SEI is having around the world. We showcase the various accomplishments, partnerships, international projects, and testimonials from individuals who have benefited from our programs. We are committed to creating a sustainable energy future through solar training and beyond!

08/12/2026

Colorado is adopting the 2026 National Electrical Code, changing the requirements for PV, energy storage, EVs, and power conversion systems. In this short video, SEI instructor Brian Mehalic introduces two new online courses from Solar Tech Collective, available here at SEI, to help you get ahead of it all.

Register for Comprehensive 2026 NEC® Requirements for Electrotech: ...

08/11/2026

August's hands-on lab training is off to a great start!