APsystems launches QS1 Four-Module 1200W AC Microinverter

AP Systems qs1

If you’re at Solar Power International this week, APsystems is unveiling something you’ll want to see: the QS1, a four-module, single-phase microinverter for residential applications (booth 2838). A new design for APsystems, the QS1 offers 75% faster installation time, while offering the highest peak output power and up to 3X faster data transmission speed than PLC. A wider MPPT voltage range will result in a greater energy harvest for homeowners.

The QS1 is designed to accommodate today’s high output PV panels up to 375W, offering 300W AC output per channel, the highest among microinverters. The unit also significantly reduces installation time and costs, taking the place of four conventional microinverters per each QS1 installed while still providing four independent MPPT.

The QS1 utilizes a common AC trunk cabling with the dual-module YC600, offering flexible mix-and-match compatibility on the same circuit to enhance site design capability and maximize circuit capacity. Both microinverters also utilize the same gateways; installers can choose from the ECU-R, for single or multi-residential installations, or the ECU-C, for applications requiring consumption monitoring and advanced contact/relay features.

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“Compatibility with the existing YC600 microinverter system gives the QS1 an unprecedented advantage,” said APsystems Chief Technology Officer Dr. Yuhao Luo. “Mixing dual and quad microinverters in the same system adds design flexibility while offering a strong inventory and installation labor advantage over conventional microinverters.”

Today’s solar systems require a more robust communication architecture to manage significantly more data points and in-field software updates. A 2.4GHz wireless Zigbee mesh network offers enhanced data transmissions speed, up to three times faster than conventional powerline communication (PLC).

— Solar Builder magazine

Yotta Solar is the latest company to try and solve panel-level energy storage

Yotta Solar panel storage

Yotta Solar’s SolarLEAF at the IC2 Building in Austin, Texas.

Yotta Solar, a developer of innovative energy storage systems, is introducing the SolarLEAF at SPI this week (Booth 3869), which uses a 100% passive thermal regulation system for panel-level energy storage. This passive temperature regulation enables the system to operate in extreme temperatures while protecting the battery life and without degrading performance.

Yotta Solar says the plug-and-play design simplifies the integration of energy storage with solar PV and eliminates the need for heavy, difficult to install enclosures, complicated HVAC systems that require parasitic loads, and expensive fire suppression systems.

“For solar power to truly reach its full potential, energy storage has to be an integral part of the equation. We designed the SolarLEAF to make adding energy storage simple for solar developers and utilities by eliminating the design and site-specific complexities that come with centralized storage,” said Omeed Badkoobeh, co-founder & CEO of Yotta Solar.

How does it work?

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In a nutshell, the SolarLEAF panel-level energy storage system reduces project and operational costs by eliminating the need for HVAC or fire suppression systems, plus it doesn’t use extra real estate occupied by centralized battery systems in shipping containers.

The patented passive thermal regulation technology shields the battery from both hot and sub-freezing temperatures and results in a long and bankable service life, industry leading combined solar plus storage efficiency, and higher overall solar generation.

The SolarLEAF system is a battery pack with integrated multi-way power flow electronics that easily attaches behind standard 60 to 96 cell solar modules either at the time of panel installation or as a retrofit.

Passive thermal technology

Yotta’s passive thermal regulation is a revolutionary technology that uses very little to zero external power to keep the system’s batteries between 50° F and 95° F (10° – 35° C) in climates, including extreme summer heat and freezing winters. Because the batteries are not aggregated in one central location, SolarLEAF systems have no risk of cascading thermal events and can be installed in locations where centralized large-scale lithium-ion battery storage is not permissible.

The DC-coupled SolarLEAF also doesn’t require a separate battery inverter setup, improving the solar plus storage system’s cost, efficiency, and reliability, while simplifying the interconnection process.

Yotta Solar was recently awarded a place in National Renewable Energy Laboratory’s (NREL) esteemed Innovation Incubator (IN2) program funded by Wells Fargo. Clean technology companies that are formally selected for the program receive up to $250,000 in technical assistance from the laboratory and project related support.

— Solar Builder magazine

Streamlined residential solar: Solaria, Enphase Energy, Quick Mount PV join forces

Solaria Power XT Enphase AC module

Solaria Corporation, a global provider of high efficiency solar modules, is teaming with mounting and racking provider Quick Mount and microinverter manufacturer Enphase Energy, to produce a single, unified system that ensures efficiency, performance and aesthetics. Available through select distributors, the complete solution gives solar installers the ability to streamline installation and ensure homeowner satisfaction at the lowest possible cost.

Solaria manufactures the PowerXT pure black solar modules using advanced cell interconnect and module production processes, significantly boosting power generation and providing outstanding performance with unmatched aesthetic appeal.

Quick Mount PV’s QRail racking system features patented QClick and QSplice technologies that simplify and speed solar installation. The result is the fastest and most reliable system deployment in solar.

The Enphase IQ 7+ Microinverter features Enphase’s two-wire cabling for ease of installation, and leverages semiconductor integration for higher reliability and better economies of scale. The 295 W AC Enphase IQ 7+ Micro combines efficiency, reliability and streamlined installation and is available either as a standalone component or in the factory-integrated Enphase Energized PowerXT-AC module from Solaria, which further improves installation efficiency.

Solaria will be exhibiting at booth 1251 at Solar Power International in Anaheim, September 25-27, 2018.

— Solar Builder magazine

Mission Solar to show off four new solar panels (three PERC) at Solar Power International

Mission Solar

Mission Solar Energy, a U.S. based supplier of high-efficiency solar modules, is debuting four new solar panels at Solar Power International (booths #1512 and #6039). The new products include PERC and Mono technologies featuring five busbar, high efficiency cells. As the demand for higher power output modules grow, Mission Solar Energy is committed to offering modules that perform at industry-leading efficiencies.

In addition to the technology and performance advancements, Mission Solar’s new product line will also feature a 12-year product warranty, an upgrade from the company’s 10-year product warranty offered with current modules.

“Our objective is to provide customers with the very best technology and services the industry has to offer. Launching our new product line will allow us to deliver high performance modules at competitive pricing,” said Jae Yang, President & CEO of Mission Solar Energy.

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Mission Solar Energy’s new product line:

MSE PERC 60: This 60-cell module will feature five busbar technology, offering a class-leading power output of 310W. The sleek, all black design gives this module superior aesthetics, making its application ideal for residential and commercial projects.

MSE PERC 60: (white back sheet): Incorporating a white back sheet will give a boost in power output, offering a class leading power output of 315W.

MSE Mono 72: This 72-cell module features monocrystalline, five busbar technology with a power output of 350W. Commercial and utility scale projects are ideal for this product.

MSE PERC 72: Mission Solar Energy’s highest performing module is a 72-cell panel featuring PERC, five busbar cells with a power output of 370W. Built to withstand extreme weather conditions, this product is best suited for commercial and utility-scale projects.

Production of the new product line is expected to ramp up in Q4 of this year, making products available in early 2019. To learn more about Mission Solar Energy and its new product line, visit  at Solar Power International.

— Solar Builder magazine

APA Solar Racking launches new ground screw line at SPI

APA Ground screw

APA Solar Racking is launching a new line of ground screws and secured an exclusive U.S. distribution agreement with one of the world’s leading ground screw manufacturers to fulfill solar projects of all sizes. The APA Ground Screws are available with APA racking or can be fitted with other ground mount and tracker systems. The ground screws are designed to APA’s in-house engineering specs and backed by APA’s quality guarantee. Customers will work directly with APA for all orders, and APA will manage the entire process for in-house application testing, loading engineering, volume ordering and inventory.

You can check them out in person at Solar Power International, booth 804.

Ground screw sizes

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Ground screws are the ideal foundation for rocky, hard pan, and caliche soils. The APA Ground Screws are available with standard depths of 40, 61, 73 and 85 inches to accommodate frost depths around the country. APA’s standard screw diameter is 2.35″ for better drivability, lower cost point compared to a 3”screw. Additional diameters up to 4.5″ are available. APA’s ground screws are designed with the highest quality standards and backed by APA’s guarantee. The Superior quality features heavy wall tube, welded connections, hot dipped galvanized coating, and a forged tip. These features allow massive amounts of torque and down pressure to be applied, penetrating the toughest soils.

The APA Ground Screw perfect for all APA racking systems and can easily be outfitted for other racking systems using either the set screw or flange connection. The ground screws are easy to install with a skid loader or mini excavator with an auger attachment or a pile driving rig with a rotary head.

— Solar Builder magazine