Featured Articles

Design & Installation
By:
Bill Reaugh
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As PV systems get larger, AHJs are more likely to require power engineering reports that are unfamiliar to some solar professionals but well known to traditional power engineers. We take an in-depth look at the types of electrical design calculations and reports that utilities and other AHJs require in large-scale PV plant applications, and the power engineering software that supports these calculations. Note that a licensed professional engineer must supervise these types of calculations to...

Design & Installation
By:
David Brearley
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0
The US solar market is far from monolithic, and this diversity calls for diverse business models. Given this situation, it is no surprise that solar companies take different approaches to engineering services. For this article, we reached out to engineering service providers, small and large, as well as some solar installation companies, to better understand the pros and cons of outsourcing engineering services versus developing these capacities in-house.

Racking
By:
SolarPro Staff
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The solar rooftop racking and mounting product class has seen an influx of new entrants, products and design advancements in recent years. Today, solar engineers and designers have access to a wide range of highly-engineered racking and mounting systems for applications on pitched and low-slope roofs. This directory presents solar racking and mounting vendors, product lines and contact information for 38 manufacturers of racking and mounting systems for US installations.

Operations & Maintenance
By:
Kristine Sinclair, James Rand, Robert Flottemesch
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In this article, we provide insight into maintaining a healthy portfolio of assets by identifying and remediating performance problems on the dc side of the PV system.

Project Profiles
By:
SolarPro Staff
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In April 2018, CalCom Solar commissioned the 1.1 MW D’Arrigo California Ranch 7 Phase 3 project, which increased the D’Arrigo’s privately owned PV assets to 3.3 MW.

Product Launches
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ABB has launched its line of single-phase UNO-DM-PLUS-US inverters for residential US installations.

Product Launches
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Designed for NEC 2014 and 2017 compliance, Fronius’ Rooftop Solution combines its 24 kWac Symo 24.0 string inverter, MC4 Connector option and Fronius Shade Cover.

Product Launches
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Eguana developed its Evolve energy storage system for residential-scale solar self-consumption and backup-power applications.

Product Launches
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Solar FlexRack, a division of Northern States Metals, now offers an integrated Self Powered Solution for its TDP Solar Trackers.

Product Launches
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Quick Mount PV continues to expand its offerings with the addition of the QRail racking system to its product lineup.