New Free Course Announcement: Understanding Concepts of Solar PV Power with Fundamental Calculations Brit Heller Preparing for a solar certification exam? Looking to strengthen your grasp of the fundamental calculations that underpin solar PV system design? We’re excited to announce our latest free course, Understanding Concepts of Solar PV Power with Fundamental Calculations, designed specifically for solar professionals who want to master the essential math behind photovoltaic systems. A Calculation-Focused Approach to Solar PV Fundamentals While many of our courses cover solar theory or dive into system design software, this free 1.5-hour course focuses on the fundamental calculations that every solar professional needs to understand. Working through these calculations step-by-step will deepen your understanding of how PV systems actually function, making it an ideal resource for strengthening your technical foundation or preparing for NABCEP certification exams. This approach is particularly valuable for NABCEP exam preparation, where understanding the relationships between power, environmental conditions, and more is crucial for solving problems quickly and accurately. Please note that while this course is an excellent study resource for NABCEP exams, it does not provide CEU credits toward certification requirements. What You’ll Learn By the end of this course, you’ll have a solid grasp of: Solar PV fundamentals and STC conditions – Understanding what Standard Test Conditions mean and why they matter The mathematical relationships between PV module rated power, module area, efficiency, peak sun hours (PSH), and STC Real-world calculations for PV module power and system voltage under varying conditions (because the sun doesn’t always shine at STC!) Basic conductor sizing in accordance with NEC requirements Who Should Take This Course? This course is ideal for solar professionals at various stages of their careers – from installers and system designers preparing for NABCEP certification to experienced professionals looking to refresh their understanding of core calculations. Sales professionals who want to better understand the technical aspects of the systems they’re selling will also find significant value. If you’re working toward NABCEP certification, this course provides focused practice on many of the types of calculations you’ll encounter on the exam. The emphasis on fundamental relationships between STC conditions, efficiency, and real-world performance will help you tackle exam problems with confidence. Ready to Strengthen Your Technical Foundation? As the solar industry continues to grow and evolve, having a solid grasp of fundamental calculations becomes increasingly valuable. This free course provides the focused practice you need to build technical confidence, whether you’re studying for NABCEP certification or looking to enhance your expertise. The calculations covered in this course form the backbone of solar system design and are essential knowledge for any serious solar professional. Take advantage of this resource to build confidence in your technical skills and advance your career in the solar industry. See you in class! Certification Free Courses Solar Solar Design & Installation Solar miscellaneous Originally posted on September 5, 2025 Written by Brit Heller Director of Program Management @ HeatSpring. Brit holds two NABCEP certifications - Photovoltaic Installation Professional (PVIP) and Photovoltaic Technical Sales (PVTS). When she isn’t immersed in training, Brit is a budding regenerative farmer just outside of Atlanta where she is developing a 17-acre farm rooted in permaculture principles. She can be found building soil health, cultivating edible & medicinal plants, caring for her animals or building functional art. More posts by Brit