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RE100: Introduction to Renewable Energy

SEI’s Free Online Course
Welcome to the world of renewable energy!  RE100 is a free course that covers the basics of renewable energy, and is a great introduction for those new to the field, those who are looking to make a career change, or those who just want to learn more about energy from the sun, wind, and water, energy efficiency, and the basics of electricity. Join the tens of thousands of individuals who have gotten their first taste of renewable energy in RE100- you won’t emerge as an expert, but you will learn a lot about the different technologies and trends, what situations are more appropriate for one type of renewable energy system versus another, and how to make a difference with your own energy consumption. This course also serves as a great introduction to SEI’s online campus.


Disponible en español

what you will learn


  • Why renewable energy?
  • Conservation and efficiency
  • Basics of electricity
  • Solar thermal
  • Solar electricity
  • Wind power
  • Micro-hydro
  • Other renewable energy technologies
  • Appropriate technology for the developing world
  • The economics of renewable energy
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helpful information

Upon completion of the course with passing grade of 70%  or better – you will receive a printable SEI Record of Completion.  This course is a total of 6 contact training hours.

This course is a great first step for a career-focused individual to understand the world of renewable energy possibilities, and also serves as an introduction to Solar Energy International’s Online Campus. It is not a technical course.  It is made up of ten lessons, each containing a lecture-capture video presentation by an SEI instructor, readings, a quiz, and discussion forums. Your work will be saved as you go and you can return to it later for up to 120 days after you register.

The development of this course was funded in part by the Putnam Foundation.

nabcep certification information

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course materials

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