Featured in 2025 Unboxed – 02-2025

String monitoring to streamline O&M

String monitoring can save PV asset owners time and money on operations and maintenance (O&M). The monitoring technique is widely used in Europe, Latin America, and Japan, and is gaining traction in the United States, according to industry insiders.

By

Blathnaid O’Dea

07 Feb 2025

This PV DC Combiner Box offers real-time string monitoring. | Photo: Weidmüller

From extreme weather damage to loss of output due to addressable issues such as electrical faults or malfunctioning modules, PV project owners need reliable monitoring systems to ensure sites are operating at optimum level.Proponents of string monitoring say that it offers detailed views of entire arrays, making it a good way of optimizing and maintaining …

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