Technical Articles

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

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04.10.2025
Engineering Best Practices
An Introduction to Protective Relays for Solar-Plus-Storage Systems

Lucas Miller

Electrical relays, protective devices used to switch power on or off for parts of a circuit, have been integrated into circuits for nearly two hundred years. The first example of a relay dates back to the mid-nineteenth century, when Joseph Henry used a small electric signal to activate an electromagnet and close a switch, establishing…
Read on: An Introduction to Protective Relays for Solar-Plus-Storage Systems

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Engineering Best Practices – 4.10.2025

An Introduction to Protective Relays for Solar-Plus-Storage Systems

Lucas Miller

Electrical relays, protective devices used to switch power on or off for parts of a circuit, have been integrated into circuits for nearly two hundred years. The first example of...

Read on

Codes and Standards – 4.2.2025

Code Corner: Energy Management Systems (2023 NEC 705.13)

Tyson Bittrich

In the 2023 National Electrical Code updates, code now defines Energy Management Systems (EMS) and emphasizes a system’s role in controlling both loads and power generation...

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Mayfield Updates – 3.24.2025

Introducing Dispatches from the Energy Transition

Jen Metcalf

The webinar series demystifying emerging technologies and how they benefit real-world renewables projects In Dispatches From The Energy Transition, we start conversations with...

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Engineering Best Practices – 3.13.2025

2023 NEC Updates to Rapid Shutdown Requirements

Ryan Mayfield

Rapid shutdown was introduced to the National Electrical Code (NEC) in the 2014 edition. Since then, numerous changes have been implemented to clarify the requirements. The 2023...

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Engineering Best Practices – 2.27.2025

De-Risking Lithium-Ion Battery Energy Storage Systems – Part 1

Tyson Bittrich

Since arriving on the market in the 1990s, a broad swath of products often lumped under the category of “lithium-ion batteries” has wriggled its way into much of our world:...

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Energy Storage – 1.28.2025

Case Study: Turning a Town Hall into a Microgrid

Lucas Miller

Mt. Hood Town Hall is a community gathering place in the Upper Hood River Valley that acts as a recycling center, community meals distribution hub, middle-school classroom, and a...

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