New Course Announcement: 30-Hour 2023 NEC PV, Energy Storage, Building and Fire Codes Sean White and Bill Brooks are back with the new 30-Hour 2023 NEC PV, Energy Storage, Building and Fire Codes training. This course is full of all the latest insights, interpretations and comparisons of the 2023 National Electrical Code (NEC).… Continue reading “New Course Announcement: 30-Hour 2023 NEC PV, Energy Storage, Building and Fire Codes”
Walking on Solar Modules – Is It Really That Bad? Let’s Take a Look! Don’t scrape the backsheet. Don’t step on the panels. Don’t drop the panels. And don’t scrape up the frames. Aside from safety and how to properly use ratchet straps, those were some of the very first things I was taught… Continue reading “Walking on Solar Modules – Is It Really That Bad? Let’s Take a Look!”
Love Letter to Clean Energy People January 1, 2024 2024 might get weird. Don’t worry, just keep doing your thing. Let’s focus on what we can control. It’s fun to be learning and spending our time doing creative things that matter, right? Whatever work you choose… Continue reading “Love Letter to Clean Energy People”
What is a Single-Line Diagram? The single line diagram, or SLD sheet, is an essential component of the electrical drawing set for a utility scale solar power plant. It’s a simplified schematic diagram that illustrates the overall electrical system from the panels all the way… Continue reading “What is a Single-Line Diagram?”
New Course Announcement: Commercial Electric Tariffs: Impacts on Solar Incorporating commercial solar sales into your business can be an advantageous income stream for residential solar businesses looking to diversify their revenue sources. There are many opportunities in this sector as companies, non-profits, and local municipalities look to reduce their… Continue reading “New Course Announcement: Commercial Electric Tariffs: Impacts on Solar”
“Geothermal Heat Pump Fundamentals” Now Free for Members and Their Friends Starting today, for a limited time, “Geothermal Heat Pump Fundamentals” is free for HeatSpring Members and their guests. Members can give the class for free to somebody they know who wants to get started in the geothermal industry. Members: Email… Continue reading ““Geothermal Heat Pump Fundamentals” Now Free for Members and Their Friends”
Voltage Control Using Inverter Reactive Power Control This is the fifth of five articles in the series “Reactive Power in Utility-Scale Solar PV Applications.” In the previous four posts in this series, we discussed what reactive power is and where it comes from, its impact on T&D… Continue reading “Voltage Control Using Inverter Reactive Power Control”
What Makes Construction Challenging? Working in construction can be very challenging. Why is this? HeatSpring instructor Amy Powell asks her teammates, colleagues, and trade partners to dive deep to get to the bottom of this question. She found that the majority of the challenges… Continue reading “What Makes Construction Challenging?”
1 NABCEP CEU – New Free Webinar – Selling Solar-Driven Home Electrification in a Virtual World In today’s rapidly evolving market, online selling has become indispensable. Gone are the days where brick-and-mortar stores were the primary hubs for shopping. The post-pandemic digital age has ushered in a new era of convenience, accessibility, and efficiency, compelling all… Continue reading “1 NABCEP CEU – New Free Webinar – Selling Solar-Driven Home Electrification in a Virtual World”
Active Power Priority vs. Reactive Power Priority This is the fourth of five articles in the series “Reactive Power in Utility-Scale Solar PV Applications.” Here’s the last article – “Inverter-Based Resources Reactive Power Capabilities” – in case you need to catch up. In the earlier articles in this series,… Continue reading “Active Power Priority vs. Reactive Power Priority”
White Paper: Best Practices for Teaching Clean Energy Skills This is the second white paper in our “Researcher-in-Residence” series. A PDF version of this white paper, along with supplementary videos, is available in the free course, “What Data Tells Us About Teaching & Learning Clean Energy Skills“. Courses on… Continue reading “White Paper: Best Practices for Teaching Clean Energy Skills”
Inverter-Based Resources Reactive Power Capabilities This is the third of five articles in the series “Reactive Power in Utility-Scale Solar PV Applications.” Here’s the last article – “Reactive Power and Transmission & Distribution Operations” – in case you need to catch up. Inverters are a… Continue reading “Inverter-Based Resources Reactive Power Capabilities”
New Free Course Announcement: Construction Communication Methodology Construction communication methodology is a critical, yet rarely discussed, element that shapes the overall outcomes of a construction project and the experiences of those working there. With the countless timely needs that require our focus on construction projects, it can… Continue reading “New Free Course Announcement: Construction Communication Methodology”
Reactive Power and Transmission & Distribution Operations This is the second of five articles in the series “Reactive Power in Utility-Scale Solar PV Applications.” In Part 1 of this series, we looked at the differences and relationship between real, reactive, and apparent power. We also looked at… Continue reading “Reactive Power and Transmission & Distribution Operations”
Solar Profitability Calculator Now Included with HeatSpring Membership Starting today, for a limited time, Keith Cronin’s “Solar Profitability Calculator” is free for HeatSpring Members. Predicting profitability is the difference between a growing company or a shrinking one. The solar industry is struggling with low margin projects. Every dollar… Continue reading “Solar Profitability Calculator Now Included with HeatSpring Membership”
What Are Reactive Power and VArs? This is the first of five articles in the series “Reactive Power in Utility-Scale Solar PV Applications.” Right after I started my first job out of college, I found myself presenting at a meeting and talking about reactive power and… Continue reading “What Are Reactive Power and VArs?”
How to Get Your NABCEP PV Technical Sales Certification The NABCEP PV Technical Sales (PVTS) Board Certification was created for experienced solar sales professionals who have demonstrated knowledge in qualifying prospects, site analysis, conceptual system design, performance analysis and financial incentives of PV systems. PVTS Board Certified Professionals can… Continue reading “How to Get Your NABCEP PV Technical Sales Certification”
The Most Important Factors When Specifying a Transformer Going from designing residential solar systems to commercial and industrial (C&I) solar systems requires new knowledge in many areas. One area in particular is equipment selection. When megawatt-scale solar systems are designed and put into operation, medium voltage electrical equipment… Continue reading “The Most Important Factors When Specifying a Transformer”
Quick Trick to Find the Roof Slope Using Rise Over Run In residential solar, knowing the roof pitch is an essential part of preparing for any solar design and installation. The roof pitch can affect a system’s energy production. Sometimes, steep roofs include a cost adder because it is more difficult… Continue reading “Quick Trick to Find the Roof Slope Using Rise Over Run”
Troubleshooting a String Inverter Functioning inverters are absolutely key to a successfully operating residential solar system. In the event there’s an issue with the string inverter onsite, the system downtime means the homeowner can’t use any of their own solar energy during that period.… Continue reading “Troubleshooting a String Inverter”