Featured Articles

Design & Installation
By:
David Brearley
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At the grid level, lead-acid batteries account for just a fraction of a percentage of energy storage deployments. So, what battery chemistries are energy storage developers using today, and why? Here we briefly review grid applications for energy storage solutions, both in front of and behind the customer meter. We then provide a compendium of advanced energy storage solutions for stationary energy storage applications, looking at representative technologies, vendors and field deployments.

Design & Installation
By:
Joe Schwartz
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In the decade that has elapsed since Enphase introduced its first-generation microinverter system, the module-level power electronics landscape has slowly been moving toward a higher level of not only product integration but also MLPE-related business partnerships and acquisitions. This article provides company and product information for eight companies that are active in the MLPE ecosystem in the US and beyond.

Modules
By:
Joe Schwartz
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For some installations, especially those on residential rooftops, 60-cell modules can offer some advantages over larger-format 72- or 96-cell modules. Our 2017 60-cell c-Si module specifications table includes electrical and physical specifications for 228 modules from 26 vendors that are currently available for installations in the US.

Design & Installation
By:
Diane McClelland
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Supervisory control and data acquisition (SCADA) systems play an essential role in meeting objectives such as operating safely, meeting contract commitments, supporting grid stability and maximizing profits.

Business & Finance
By:
Leslie Shiner
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Markup and margin percentage are two ways to keep track of both the cost and the price, but it is important not to confuse one with the other.

Project Profiles
By:
SolarPro Staff
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In early 2016, David Brearley and his wife Molly O’Halloran contracted Austin, Texas–based Freedom Solar Power to permit and install a SunPower PV system for a new alley flat.

Project Profiles
By:
SolarPro Staff
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The Old Alabama Road 2 (OAR 2) solar project, located in Woodland, Georgia, represents two trends present in many megawatt-scale ground-mounted PV installations—tracked arrays and the use of string inverters for power processing.

Industry Interviews
Chief Executive Officer
By:
SolarPro Staff
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Henk Rogers founded Blue Planet Energy to commercialize safe, reliable and easy-to-install energy storage solutions.

Product Launches
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SMA America’s newest addition to its Sunny Central inverter family has a rated power of 2,750 kVA, making it 10% more powerful than previous models.

Product Launches
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SunWize manufactures seven product lines of enclosures designed for a wide range of industrial applications.