
Master Solar Energy with Confidence
Practical online courses, professional tools, and real-world resources trusted by over 46,000+ students worldwide.
Field-tested solar expertise
46,000+
Students trained
500+
Projects completed
15+ Yrs
Industry experience
Professional solar courses
Acquire production-ready engineering skills and financial modeling frameworks used by top tier developers.
Solar Advanced Designer
Off-Grid System Designs
Financial Modeling
Master Residential and C&I-scale design, electrical schematics, and high-voltage grid integrations with confidence.
Design independent battery storage arrays for residential purposes, and remote power systems.
Build commercial investment models, calculate returns, Paybacks, and structure solar financial models for homeowners and commercial purposes .
Why Study Solar Online?
Study Solar Online combines professional education with practical engineering tools to help individuals and businesses succeed in the rapidly growing renewable energy industry. Beyond our expert-led online courses, we provide free solar engineering calculators, financial modelling tools and educational resources that enable users to evaluate real-world solar projects with confidence. Whether you are learning the fundamentals of solar energy, designing residential systems, exploring commercial opportunities or advancing your engineering career, our platform is designed to deliver practical knowledge, accurate calculations and industry best practices. Our mission is to make high-quality solar education accessible worldwide while supporting the global transition to clean, sustainable energy.








The Solar Professional Toolkit
Get instant access to our interactive calculator, financial model lite, and production-ready design checklists trusted by thousands of engineers.


Learn from Leo Caruso
Leo Caruso is an environmental engineer and senior solar project developer with international experience delivering utility-scale solar farms. He has trained over 46,000+ students worldwide. And been involved in over 500+ Solar installations worldwide.
By bridging the gap between engineering theory and field-tested execution, Leo ensures every course delivers immediate, practical utility.
