One of OutBack Power’s primary goals for its soon-to-be-released Radian Series GS8048 inverter/charger is to take some of the complexity out of battery-based system design and installation to increase the technology’s modularity - and popularity - in the grid-tie market.
Solectria recently introduced three new combiner modules with dc disconnect options. The disconnect feature is available in an eight-circuit combiner rated for 120 A maximum, housed in a NEMA 4X fiberglass enclosure; a 16-circuit combiner rated for 180 A maximum, also...
Suntech Power, the number-one manufacturer of c-Si modules worldwide, has released a new 290 W STP290-24/Vd module in the US. The 72-cell module uses 6-inch polycrystalline cells and is intended for large commercial and utility-scale projects. It has a rated efficiency of...
Schletter has teamed up with STOHER+SAUER, a German CAD application shop, to distribute Helios 3D, a software package for planning and developing large commercial and utility-scale roofand ground-mounted PV systems. STOHER+SAUERs Helios 3D is a two-part system that includes...
Trina Solar is one of the latest module manufacturers to develop a fully integrated module/racking solution in partnership with Zep Solar. Trinamount utilizes a grooved frame extrusion on its TSM-PC/PA05 modules that is compatible with Zeps interlocking and auto-grounding...
For installers working with standing-seam metal roofing, installation platform brackets from Metal Plus can speed roof-mounted array installation and increase jobsite safety. The bracket line includes three models. The Ultimate Bracket is designed to support 2-by-8 and 2-by...
We solicited input from several industry stakeholders, including engineers, consultants and manufacturers, to get their perspectives on the past, present and future of c-Si PV. Topics include module selection criteria and new grounding standards...
In this two-part article, we describe the value of monitoring commercial PV systems. Topics such as data monitoring options, components and selection criteria, as well as the pros and cons of various levels of monitoring granularity are examined...
A series of tests at the National Renewable Energy Laboratory focused on the method used to attach back-of-module temperature measurement devices. The results provide suggested best practices to successfully monitor module temperatures...
Operations & Maintenance
Creating and maintaining a safe work environment is a legal mandate, regardless of the size of the company performing the work or the size of the project being built. This article details the elements and requirements of an effective safety program..
Trojan’s 132-pound 12 Vdc J200-RE flooded battery is well suited for small stationary energy storage systems where flooded lead-acid batteries are preferred.
Unirac’s recently released Sunframe Microrail (SFM) for arrays installed on pitched rooftops features a structural front trim rail, adjustable-height posts, preassembled parts and integrated electrical bonding.
In 2016, the Ashland Food Co-op contacted Ashland-based True South Solar (TSS) to evaluate options for expanding their array.
Design & Installation
Solar carports and canopies have proven to be a successful and marketable approach to PV system siting and deployment. This article provides system designers, engineers, and procurement and sales teams with overviews of 17 companies that offer PV carports, canopies or...
Business & Finance
The US solar industry fielded systems at an unprecedented rate of 1 MW every 32 minutes in Q3 2016. At the same time, average system prices are falling quarter-over-quarter and year-over-year. These data suggest that profitable solar installation companies are continually...
APsystems has expanded its microinverter family with the introduction of the dual-MPPT YC500i microinverter.
Yaskawa–Solectria Solar has expanded its DISCOM string combiner line with the addition of the 1,500 Vdc DISCOM 1500 source-circuit combiner.