SolarWorld is now manufacturing 60-cell polycrystalline modules at its Oregon facility. The modules are available in outputs ranging from 220 W to 245 W. All modules are available with SolarWorlds version 2.0 or 2.5 frame. The 2.0 frame is compatible only with top-down...
Unirac has introduced a new digital inclinometer application developed specifically for the PV industry. The U-Clinometer app, designed for use on Apple iPhones and iPod touch devices, can be downloaded for free from the Apple App Store.
The racking system manufacturer PanelClaw declared its compliance with a new standard for racking: UL 2703, Rack-Mounting Systems and Clamping Devices for Flat-Plate Photovoltaic Modules and Panels. The standard covers rack-mounted systems and clamping devices for modules...
Schneider Electric released the solar industrys first 1,000 Vdc heavy-duty disconnect. The Square D REHU disconnects are housed in white NEMA 3 enclosures and have an operating temperature range from -37C to 50C.
Pictometry International has developed Pictometry Online, a web-based service offering a vast library of high-resolution aerial images. The tool is designed to enable integrators to quickly and accurately calculate exact characteristics of roof surfaces pitch, orientation,...
As the application space for string inverters grows, manufacturers have been positioning themselves to capture North American market share. Here we profile the 12 leading manufacturers and present detailed information about their products.
Design & Installation
Many stakeholders stand to benefit from the increasing availability of low-cost, rugged I-V curve tracers for field-testing PV applications. The overall shape of the I-V curve can be analyzed in ways traditional test methods cannot.
Operations & Maintenance
Part One of this article established PV performance guarantee risks and expectations; now Part Two outlines the major approaches to proof of system performance and discusses the hardware required for collecting plant metrics.
Founded in 1976, Heliodyne is the oldest continuously operating solar water heating equipment manufacturer in the US. Ole Pilgaard has served as president of Heliodyne since 2007. Previously, Ole was head of the solar energy division for VELUX. He also served as president...
Velocitel Energy Solutions contracted directly with BP Solar to install a 561 kW PV array at the Pico Rivera Towne Center, a large retail mall in southeastern Los Angeles, California. The design team had to consider extensive existing rooftop conditions, including 198...
Yaskawa–Solectria Solar, the largest commercial inverter manufacturer in the US, has introduced two new made-in-America string inverter lines, the XGI 1000 and XGI 1500.
SMA announced two new power classes for its utility-scale storage product line. Sunny Central Storage inverters are compatible with a range of battery technologies.
SolarBOS introduced its AC Combiner product family in September 2016 and has continued to refine and expand the line’s functionality and available options.
Design & Installation
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...