Technical Articles

Read up on codes, standards, and best practices for solar, energy storage, and microgrids

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    Codes and Standards

    Breaking Down NEC 706.15(B): Location and Control of Energy Storage Disconnects

    Jack Ashley

    Back in 2023, we saw many changes to the National Electrical Code (NEC). One change that didn't get much attention was the expansion of section 706.15 from four (A through D) to five (A through E) subsections. One of those subsections, 706.15(B), clarified and reorganized the requirements for location and control of the energy storage…

    Read on: Breaking Down NEC 706.15(B): Location and Control of Energy Storage Disconnects

Jack Ashley

Back in 2023, we saw many changes to the National Electrical Code (NEC). One change that didn't get much attention was the expansion of section 706.15 from four (A through D) to...
Read on

Engineering Best Practices – 2.20.2026

The Microgrid Journey

Jon La Follett

Having been involved in hundreds of microgrid projects leads to some emerging patterns. It takes a lot of effort to make a project happen. Oftentimes, projects can go sideways...
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Robert W. Cross

At RE+ Northeast 2026 in Boston (February 3–5), Elexity and GridVest Energy participated in a "Live! Dispatches from the Energy Transition" session. The discussion focused on...
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Codes and Standards – 2.9.2026

What’s the latest on UL 3741?

Lucas Miller

Learn how UL 3741 evolved to support NEC 690.12 rapid shutdown requirements, what changed in the 2025 update, & its impact on commercial PV system design.
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Codes and Standards – 1.26.2026

2026 NEC Updates for Solar and Energy Storage Systems

Ryan Mayfield

The new Code book is here! The new Code book is here! The 2026 edition of the National Electrical Code (NEC) is now available. And while many of you may not be as excited as I am,...
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Sam Smith

If you work in microgrids long enough, you’ll eventually run into a 240 V open delta service. Typically, this is at the worst possible time, when you’re three projects deep...
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