What is a PV System DC Ground Fault? Understanding DC ground faults is crucial for anyone working with solar PV systems, whether you’re troubleshooting existing issues or trying to prevent them in the future. This video excerpt comes from Solar Tech Collective’s comprehensive course on “Solar PV Ground… Continue reading “What is a PV System DC Ground Fault?”
New Free Course Announcement: Understanding Concepts of Solar PV Power with Fundamental Calculations 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… Continue reading “New Free Course Announcement: Understanding Concepts of Solar PV Power with Fundamental Calculations”
What is Grounding and Bonding? Grounding and bonding are fundamental safety concepts in solar PV installations that every installer, technician, and system owner should understand. Though these terms are frequently confused or used interchangeably, understanding their distinct roles is crucial for electrical safety. Grounding creates… Continue reading “What is Grounding and Bonding?”
New Course Announcement: Solar PV Ground-Fault Troubleshooting: Theory, Tools, and Field Application Ground faults are one of the most challenging issues solar technicians face. They’re difficult to locate, potentially dangerous, and can bring PV systems to a grinding halt. Yet despite being one of the most common and costly issues in solar… Continue reading “New Course Announcement: Solar PV Ground-Fault Troubleshooting: Theory, Tools, and Field Application”
Unique Characteristics of Utility-Scale Solar Projects The utility-scale solar industry continues to demonstrate remarkable momentum, with 9 GWdc of new capacity installed in Q1 2025 alone. While this represents a 7% decline from the previous year, the sector remains a cornerstone of the U.S. clean energy… Continue reading “Unique Characteristics of Utility-Scale Solar Projects”
Get Telehandler Certified and Meet OSHA Requirements with HeatSpring If you work in construction or maintenance and operate telehandlers – the versatile telescopic forklifts also known as boom forks, rough terrain forklifts, or reach forklifts – training is required by law. Here’s everything you need to know about getting… Continue reading “Get Telehandler Certified and Meet OSHA Requirements with HeatSpring”
Inside Substation Transformers Electric power substations serve as the critical connection points that keep our entire power system functioning – linking generation to transmission, connecting different voltage levels from 69 kV all the way up to 765 kV, and providing power to major… Continue reading “Inside Substation Transformers”
Comparing Low Voltage Vs. Medium Voltage Equipment on Solar Sites When solar professionals transition from residential and commercial projects to utility-scale, one of the most obvious differences is in the electrical components and system architecture. While the fundamental principles of solar design remain consistent across project scales, the equipment itself… Continue reading “Comparing Low Voltage Vs. Medium Voltage Equipment on Solar Sites”
Understanding Rapid Shutdown on Residential Solar Installations The National Electrical Code defines the minimum requirements for safe PV systems, and if you’ve spent any time in residential or C&I solar, you’re definitely familiar with it. Among these requirements, rapid shutdown stands out as a critical safety feature… Continue reading “Understanding Rapid Shutdown on Residential Solar Installations”
Integration is Key in the Future of Residential Solar At the NABCEP 2025 Conference, SunCast Media host Nico Johnson sat down with industry veteran and HeatSpring instructor Bill Brooks, PE to discuss what’s ahead for residential solar. Bill brings over 30 years of experience in designing, installing, and evaluating… Continue reading “Integration is Key in the Future of Residential Solar “
“Residential Grid-Tied Solar Design” – A New Course to Build Your Design Skills Interested in designing residential solar systems that meet code requirements? Want to master industry design tools that solar professionals use? Curious about how to calculate proper system sizing, wire gauge, and conduit dimensions? HeatSpring’s new, comprehensive “Residential Grid-Tied Solar Design”… Continue reading ““Residential Grid-Tied Solar Design” – A New Course to Build Your Design Skills”
The Types of Drawings Used on Utility-Scale Solar Sites On every jobsite, clear communication through construction drawings forms the foundation of successful project execution. Utility-scale solar is no exception. In fact, the sheer scale of these projects, combined with the numerous entities involved, adds significant complexity to the process.… Continue reading “The Types of Drawings Used on Utility-Scale Solar Sites”
1 NABCEP CEU – New Free Course: Utility-Scale Solar Design Overview The utility-scale solar sector experienced explosive growth in 2024, outpacing both commercial and residential installations in yearly capacity additions. According to the Solar Energy Industry Association (SEIA) Solar Market Insight Report 2024 Year in Review, the utility-scale segment installed a… Continue reading “1 NABCEP CEU – New Free Course: Utility-Scale Solar Design Overview”
How to Become a “Qualified Person” in Electrical Work If you work in the electrical field, you’ve undoubtedly encountered the term qualified person in safety standards and workplace requirements. But what does this designation actually entail, and how does one earn it? Both NFPA 70B (Standard for Electrical Equipment… Continue reading “How to Become a “Qualified Person” in Electrical Work”
What’s the Difference Between an Inverter That’s Grid-Following Versus Grid- Forming? It feels like a day doesn’t go by without energy storage in the headlines. These systems are experiencing unprecedented adoption across residential, commercial, and utility-scale applications. As storage continues to become increasingly critical to the clean energy transition, design professionals… Continue reading “What’s the Difference Between an Inverter That’s Grid-Following Versus Grid- Forming?”
New Course Announcement: Design Considerations for Energy Storage Systems As grid outages increase nationwide and demand charges squeeze commercial budgets, energy storage expertise has never been more valuable. This skill gap is especially critical now that SEIA has set an ambitious industry target of 700 gigawatt-hours of installed storage… Continue reading “New Course Announcement: Design Considerations for Energy Storage Systems”
Understanding Height and Clearance: Critical Design Parameters for Utility-Scale Solar Racking Understanding the intricacies of utility-scale solar racking design is crucial for successful project implementation. One of the most fundamental aspects is the careful consideration of minimum clearance and maximum height parameters. These specifications play a vital role in both fixed-tilt… Continue reading “Understanding Height and Clearance: Critical Design Parameters for Utility-Scale Solar Racking”
New Course: 3-Hour Energy Storage Building and Fire Codes with Sean White and Bill Brooks Navigate the complex world of energy storage codes with industry veterans Bill Brooks and Sean White in the new 3-Hour Energy Storage Building and Fire Codes course. This engaging class cuts through the complexity of the 2024 International Code Council… Continue reading “New Course: 3-Hour Energy Storage Building and Fire Codes with Sean White and Bill Brooks”
Navigating Wetlands and Their Impact on Utility-Scale Solar Design In an era where utility-scale solar development is rapidly expanding across the United States, understanding and protecting wetlands has become increasingly critical for project success. As wetlands now cover less than 6% of the lower 48 states – half of… Continue reading “Navigating Wetlands and Their Impact on Utility-Scale Solar Design”
The Rise of Bifacial Modules and Their Considerations in Utility-Scale Design Bifacial solar modules have become the de facto choice for utility-scale PV ground mount projects in recent years. Unlike traditional modules, they capture light on both sides, offering production gains of 5-25% through their transparent back sheet design. While this… Continue reading “The Rise of Bifacial Modules and Their Considerations in Utility-Scale Design”