What It’s Really Like to Write the NEC: Inside Code-Making Panel 4 with Solar Tech Collective Most people who work with the National Electrical Code (NEC) learn what it says. Very few people know why it says it. Rebekah Hren and Brian Mehalic of Solar Tech Collective are in that second group. Both serve as principal… Continue reading “What It’s Really Like to Write the NEC: Inside Code-Making Panel 4 with Solar Tech Collective”
New Course: Comprehensive 2026 NEC Requirements for Electrotech: PV, ESS, EVs, PCS, and More The team behind the new “Comprehensive 2026 NEC Requirements for Electrotech: PV, ESS, EVs, PCS, and More” course has spent years helping shape the National Electrical Code, not just applying it (although they do that plenty too). Solar Tech Collective’s… Continue reading “New Course: Comprehensive 2026 NEC Requirements for Electrotech: PV, ESS, EVs, PCS, and More”
New Courses: Introduction to Hand Tools and Power Tools for Solar HeatSpring is excited to announce two new courses from Jenny Conrardy: Introduction to Hand Tools for Solar and Introduction to Power Tools for Solar. Who These Courses Are For These courses are built for new solar employees, apprentices, and career… Continue reading “New Courses: Introduction to Hand Tools and Power Tools for Solar”
The Ultimate Guide to Getting Your NABCEP OMAT Credential The NABCEP Operations & Maintenance Associate Technician (OMAT) credential is the newest entry-level credential from the North American Board of Certified Energy Practitioners (NABCEP), and it officially launched on April 7, 2026. While the PV Associate has long served as… Continue reading “The Ultimate Guide to Getting Your NABCEP OMAT Credential”
New Course: Hand & Power Tools for Construction Professionals Construction is bringing in more new workers than it has in years. That means more people on job sites who are still building their tool knowledge and more pressure on experienced leaders to close that gap quickly. Hand & Power… Continue reading “New Course: Hand & Power Tools for Construction Professionals”
The NABCEP ESIP Exam Is Now Available in Spanish NABCEP has announced that the Energy Storage Installation Professional (ESIP) exam is now available in Spanish. For professionals who prefer Spanish and want to demonstrate their expertise in battery storage systems, this is a big step forward. To take the… Continue reading “The NABCEP ESIP Exam Is Now Available in Spanish”
What is SCADA? More than 43 GW of new utility-scale solar capacity is planned for 2026 in the U.S., which would represent a 60% increase over the previous year, according to the Energy Information Administration. Every one of those plants runs on a… Continue reading “What is SCADA?”
What Does It Take to Level Up in Solar + Storage Operations and Maintenance? Amanda Bybee has spent years building the systems, standards, and training that keep solar and storage assets running. As CEO of the Amicus O&M Cooperative, the creator of the Tech 1 and Tech 2 courses, she knows exactly what separates… Continue reading “What Does It Take to Level Up in Solar + Storage Operations and Maintenance?”
What is the SEIA/ANSI 301 Standard and Why Does It Matter for Solar and BESS O&M Technicians? Job titles, pay scales, and expectations for O&M technicians have historically varied widely from one solar company to the next. A Level 2 technician at one employer might be doing completely different work than a Level 2 at another. For… Continue reading “What is the SEIA/ANSI 301 Standard and Why Does It Matter for Solar and BESS O&M Technicians?”
What is Root Cause Analysis? Why is It Important for O&M Techs? When something goes wrong on a solar or battery energy storage system, the fastest fix is not always the right one. Hitting a reset, swapping a component, or clearing a fault code without understanding why it happened in the first… Continue reading “What is Root Cause Analysis? Why is It Important for O&M Techs?”
What Tools Do You Need When Troubleshooting Ground Faults? Ground faults are one of the more frustrating issues a solar technician can run into in the field. They can range from hard faults with a clear voltage signature to resistive or intermittent faults where voltage won’t show up on a… Continue reading “What Tools Do You Need When Troubleshooting Ground Faults?”
Why Solar Professionals Can’t Afford to Ignore Interconnection Anymore The assumption that solar projects submitted to utilities would automatically be approved used to be standard operating procedure in jurisdictions with established interconnection policies. Unfortunately, those days are over in many places. As solar deployment has accelerated, interconnection delays and… Continue reading “Why Solar Professionals Can’t Afford to Ignore Interconnection Anymore”
The Difference Between Load-Side & Supply-Side Connections: Sean White Explains The distinction between load-side and supply-side connections is fundamental to solar and energy storage installations, yet the terminology keeps evolving, and the common terms don’t always match what’s actually in the code. In the video below, HeatSpring instructor Sean White… Continue reading “The Difference Between Load-Side & Supply-Side Connections: Sean White Explains”
What is String Sizing in PV Solar Design? Sean White Explains String sizing is one of the most critical and foundational calculations in PV system design. At its core, string sizing is about understanding how solar modules behave under different temperature conditions and ensuring your system operates safely within the voltage… Continue reading “What is String Sizing in PV Solar Design? Sean White Explains”
Rapid Shutdown in PV Installations: Sean White Explains Rapid shutdown requirements can feel overwhelming, but they’re actually pretty straightforward once you understand their purpose. In this video, HeatSpring instructor Sean White cuts through the confusion about NEC 690.12 rapid shutdown requirements for PV systems on buildings. He explains… Continue reading “Rapid Shutdown in PV Installations: Sean White Explains”
Why Do Electrical Panels Often Have More Loads Than Supply? Have you ever added up all the breakers in an electrical panel and realized the total capacity of all those breakers exceeds what the main service can actually supply? If you’re like most people, this raises the question: why would… Continue reading “Why Do Electrical Panels Often Have More Loads Than Supply?”
Taking a Look at Ground-fault Path Scenarios: Positive Ground Fault on a Transformer-Based Inverter When it comes to solar PV systems, understanding ground fault scenarios is crucial for both safety and proper system operation. This video excerpt from our comprehensive “Solar PV Ground-fault Troubleshooting: Theory, Tools, and Field Application” course demonstrates why mastering the… Continue reading “Taking a Look at Ground-fault Path Scenarios: Positive Ground Fault on a Transformer-Based Inverter”
What Are the Components of a Main Service Panel? When you’re scoping a solar project, a battery system, or a whole-home electrification retrofit, one of the first considerations will be main service panel capacity. Panel capacity is affected by its components: the service conductors, meter, busbar rating, and main… Continue reading “What Are the Components of a Main Service Panel?”
Prep for Two Industry Credentials with HeatSpring PRO If you’re a solar professional looking to future-proof your career, there’s never been a better time to expand your skillset. The residential solar market is evolving quickly, and the professionals who thrive will be those who can offer more than… Continue reading “Prep for Two Industry Credentials with HeatSpring PRO”
EMS vs. PCS in the 2026 NEC: Understanding the Critical Differences Every three years, the National Electrical Code gets a chance to clarify anything that wasn’t quite right the last time around. Sometimes that means refining vague language. Other times it means introducing new terms to distinguish between concepts that were… Continue reading “EMS vs. PCS in the 2026 NEC: Understanding the Critical Differences”