Technical Articles

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

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    Codes and Standards

    Top 3 Updates in the 2026 NFPA 855

    Ryan Mayfield

    The 2026 version of NFPA 855, Standard for Installation of Stationary Energy Storage Systems, was released on September 9th, 2025. NFPA 855 is considered the go-to resource for installing and maintaining BESS projects. While it isn’t an enforceable code in most jurisdictions, the 855 standard is often cited and referred to by jurisdictions, manufacturers, engineers,…

    Read on: Top 3 Updates in the 2026 NFPA 855

Codes and Standards – 5.26.2026

Top 3 Updates in the 2026 NFPA 855

Ryan Mayfield

The 2026 version of NFPA 855, Standard for Installation of Stationary Energy Storage Systems, was released on September 9th, 2025. NFPA 855 is considered the go-to resource for...
Read on

Sam Smith

Grounding transformers confuse even seasoned engineers. Learn when DER systems need them, how they prevent TOV, and how to spec them correctly.
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Jack Ashley

Learn how codes, standards, and listings differ in solar and energy storage projects, how they interact, and what is required for compliance and approvals.
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Adam Stone, PE

Power studies are often treated as a late-stage checkbox—until they aren’t. Projects can be delayed, redesigns may be necessary, and benefits of the studies may be missed if a...
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Robert W. Cross

You need to determine feasibility up front to determine bankability. This is crucial for identifying whether a project should move forward, ensuring it is built on solid economic...
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Robert W. Cross

DC-coupled systems are a growing design trend, with integrator partners collaborating to meet this growing demand, particularly in the utility-scale and large commercial...
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