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Solar Energy International
Solar education nonprofit with free introductory courses and paid advanced training.
Official website ↗RE100: Introduction to Renewable EnergySolar Energy InternationalYou get a non technical tour of renewable energy, covering conservation and efficiency, electricity basics, solar thermal and solar electric systems, wind power, and the economics of renewables.CertificateFreeRE101: Fundamental Math for Solar ApplicationsSolar Energy InternationalYou refresh the math used in solar work, from basic operations, decimals and percentages to calculating areas and doing power and energy calculations, with ungraded practice problems across ten lessons.CertificateFree4 hrsRE102: Basics of Electrical Theory for Solar ApplicationsSolar Energy InternationalYou learn how voltage, current and resistance relate, how electricity is generated and distributed, and how power differs from energy, as these ideas apply to PV systems of any size.CertificateFreeSHOL101: Solar Thermal Training: Solar Hot Water Design and Installation (Online)Solar Energy InternationalYou learn to size and install solar water heating systems, comparing drainback, antifreeze, thermosyphon and ICS designs, assessing sites for shade and orientation, and working safely under the relevant codes.CertificateFree60 hrs