Solar Inverter Buyer’s Guide 2023

The most powerful three-phase, 1,500 Vdc string inverter CPS America has released to date, the SCH275KTL model includes a selectable active power rating of either 250 kW or 275 kW (factory default) with 12 MPPTs and is available with either 36 fused PV string inputs or 24 unfused PV string inputs. Aside from high efficiencies and wide operating voltages, what really sets this inverter apart is its industry-leading operating temperature range with full power output up to 42°C (107°F).  With the CPS SCH275KTL inverter, developers can ensure that their projects will achieve maximum production even as ambient temperatures rise. The CPS SCH275KTL-DO-US-800 is UL 1741-SB listed. It operates at too high of a voltage for UL 3741 listing (1,500 Vdc for ground-mount projects, as opposed to 1,000 Vdc for rooftop projects).

• Selectable max apparent power of 250kW or 275kW
• 12 MPPTs with either 36 fused inputs or 24 non-fused inputs
• Full power capacity up to an industry-leading 42°C
• Integrated dc disconnect switches
• Copper- and aluminum-compatible ac connections

The new, V2 version of the 36kW (36kVA) CPS three-phase string inverter is designed for rooftop and carport applications. The units are high performance, advanced and reliable inverters designed specifically for the North American environment and grid. High efficiency at 98.8% peak and 97.4% CEC, wide operating voltages, broad temperature ranges and a NEMA Type 4X enclosure enable this inverter platform to operate at high performance across many applications.  CPS 36KTL V2 ships with either the Standard wire-box or the Rapid Shutdown wire-box, each fully integrated and separable with touch-safe fusing, monitoring, and AC and DC disconnect switches. The integrated PLC transmitter in the Rapid Shutdown Wire-box enables PVRSS certified module-level rapid shutdown when used with APS RSD-S-PLC/RSD-D products. The CPS FlexOM Gateway enables monitoring, controls and remote product upgrades.

The CPS SCA36KTL-DO-US-480-V2 is currently UL 1741-SB listed and is expected to receive UL 3741 listing with IronRidge, Sollega, Panelclaw, and Unirac by Q2 2023.

• Separable wire-box for simplified O&M and fast service
• 3 MPPTs with 5 inputs per MPPT
• Optional FlexOM Gateway enables remote firmware upgrades
• Standard and integrated RSD wire-box options
• Copper- and Aluminum-compatible AC connections

The CPS 25kW-208V three phase string inverters are designed and optimized for rooftop and carport applications with 208Vac service voltages. The CPS 25kW product ships with the Rapid Shutdown wire-box, fully integrated and separable with touch safe fusing, monitoring, and AC and DC disconnect switches. The integrated PLC transmitter in the Rapid Shutdown wire-box enables PVRSS certified module-level rapid shutdown when used with the TIGO, APS, and NEP products. The CPS Flex Gateway enables monitoring, controls and remote product upgrades.

• 208V AC output
• 3 MPPTs with 2 inputs each for maximum flexibility
• Integrated RSD wire-box options with TIGO, APS, and NEP
• NEC 2017/2020 compliant and UL listed Arc-Fault protection
• Separable wire-box design for fast service

1. The DS3 is the most powerful dual microinverter in the world. Three models cover most all panel types, sizes and capacities.
2. Far less equipment and at a lower cost. Competing systems require up to 3X the inverters and up to 60% more PV modules on the roof to hit the same output.
3. It installs faster than conventional microinverters and is simple plug-and-play.
4. Built-in Zigbee 2.4GHz wireless communication creates a mesh network for high-speed data transfer.
5. Fully NEC 690.12 and UL 1741 SA (CA Rule 21) compliant.

The QT2 is a 3-Phase microinverter for C&I applications. Each QT2 connects to up to 4 PV modules, is rapid shutdown and UL 1741 SA (CA Rule 21) compliant and comes in 1728W (208V) and 1800W (480V) output models. Why microinverters in commercial solar? As featured in the recent Solar Builder article “Making the case for microinverters in C&I solar,” the QT2 offers built-in rapid shutdown, pairing with higher capacity PV modules, improved performance over string inverters under a variety of conditions, fewer potential points of failure, plug-and-play three-phase wiring, and bonus: microinverters are now more cost-effective than ever. Solar installers can now offer their C&I customers all the benefits of MLPE in an easy-to-install, plug-and-play, native 3-Phase microinverter package. UL 1741-SB to be completed by end of Q1 2023.

• 208V and 480V models, wye and delta 3-Phase.
• True 3-Phase in the cable, no need to balance phases manually.
• Pairs with 4 PV modules 500-600W+ (dep. on your preferred AC/DC ratio).
• Inherently Rapid Shutdown compliant, no separate RSD system required.
• Reduces potential points of failure (PPOF) by 75%.

Hoymiles 2-in-1 microinverter can connect up to 2 panels at once and maximize the PV production of your installation. With a maximum DC voltage of 60 V, Hoymiles microinverter is a PV Rapid Shutdown Equipment and conforms with NEC-2017 and NEC-2020 Article 690.12 and CEC-2021 Sec 64-218. The model equipped with reactive power control and can meet the requirements of IEEE 1547, UL 1741 and CA Rule21.

• Peak output power: 700VA
• Commonly used module power: 280 to 470W+
• Maximum input voltage: 60V
• Maximum input current: 11.5A
• Enclosure rating: IP67

Hoymiles 4-in-1 microinverter is one of the most cost-effective module-level solar solutions, as it can support up to 4 panels at once and maximize the PV production of your installation. With a maximum DC voltage of 60 volts, Hoymiles microinverter is a PV Rapid Shutdown Equipment and conforms with NEC-2017 and NEC-2020 Article 690.12 and CEC-2021 Sec 64-218. Both models listed are equipped with reactive power control and can meet the requirements of IEEE 1547, UL 1741 and CA Rule 21.

• Peak output power: 1500VA
• Commonly used module power: 300 to 505W+
• Maximum input voltage: 60V
• Maximum input current: 11.5A
• Enclosure rating: IP67

The new HMS-500 series are suitable for high-powered solar panels, which rank among the highest for 1-in-1 microinverters. Each microinverter can be connected to one panel and used in various applications, making it one of the most flexible solar solutions. With a maximum dc voltage of 65 volts, Hoymiles microinverter is a PV Rapid Shutdown Equipment and conforms with NEC-2017 and NEC-2020 Article 690.12 and CEC-2021 Sec 64-218. It is UL 1741 listed. The new Sub-1G wireless solution enables more stable communication with Hoymiles gateway DTU.

• Peak output power: 500VA
• Commonly used module power: 400 to 670W+
• Maximum input voltage: 65V
• Maximum input current: 14A
• Enclosure rating: IP67

The HMS-1000 series are suitable for high-powered solar panels, which rank among the highest for 2-in-1 microinverters. Each microinverter can connect up to 2 panels, with independent MPPT and monitoring maximizing the power production of your installation. With a maximum DC voltage of 65 volts, Hoymiles microinverter is a PV Rapid Shutdown Equipment and conforms with NEC-2017 and NEC-2020 Article 690.12 and CEC-2021 Sec 64-218. The new Sub-1G wireless solution enables more stable communication with Hoymiles gateway DTU. It is UL 1741 listed.

• Peak output power: 1000VA
• Commonly used module power: 400 to 670W+
• Maximum input voltage: 65V
• Maximum input current: 16A
• Enclosure rating: IP67

Hoymiles 4-in-1 microinverter HMS-2000C supports up to 4 panels at once, providing substantial cost savings for installers. All of these models listed are connected to an intelligent monitoring system to track individual modules’ performance over time and offer superior energy production. The new Sub-1G wireless solution enables more stable communication under various environmental conditions. It is UL 1741 listed.

• Peak output power: 2000VA
• Commonly used module power: 400 to 670W+
• Maximum input voltage: 65V
• Maximum input current: 16A
• Enclosure rating: IP67

As part of Hoymiles rapid shutdown solution for PV system, HRSD-1C/2C can be connected with one and two module respectively. It meets NEC 2017, NEC 2020, UL 1741 and SunSpec Rapid Shutdown requirements, guaranteeing PV system safety. When installed with and receiving a “permission to operate” signal from Hoymiles Transmitter, HRSD starts proper operation of PV system. In case of emergency, PV system would enter module-level rapid shutdown mode by simply disconnecting the AC power of Transmitter or using an external initiator.

• Input Voltage Range: 8–80V
• Communication Type: SunSpec PLC
• Maximum Current: 15 A (20 A or 25 A optional)
• Shutdown Output Voltage: 1V
• Outdoor Rating: IP68 / NEMA6P

Hoymiles gateway DTU-Pro is a data transfer unit which collects information and data of PV microinverter using 2.4G wireless solution (DTU-Pro-S uses Sub-1G wireless) and sends them to S-Miles Cloud, Hoymiles monitoring System, using different communication options such as Ethernet, Wi-Fi, GPRS or 4G. With DTU-Pro, users can easily read module-level data and alarms, realize remote operation and maintenance of PV system at any time, from anywhere on S-Miles Cloud. Pro maximum distance is 200m. Pro-S maximum distance is 400m.

IQ8 Microinverters are UL Listed as PV Rapid Shut Down Equipment and have more than 1 million cumulative hours of power-on testing. IQ8 also unlocks new backup power opportunities for customers and sales avenues for installers. In addition to providing sunlight backup for the first time ever, typical storage sizing and ratio restrictions no longer apply with IQ8. Installers can add a range of battery sizes to customers’ homes and expand their systems over time as needed.

• Grid-forming microinverter with proprietary microchip makes sunlight backup possible for the first time and eliminates constraints on battery sizing for home energy systems;
• Split-phase power conversion capability efficiently converts DC power to AC power;
• Included Q-DCC-2 adapter cable with MC4 connectors supports quick PV module connections;
• Warranty of up to 25 years;
• UL Listed as PV Rapid Shut Down Equipment.

The BDM series involves nimble engineering, better service execution and easier positioning. Fill voids and gaps of content incumbents to generate customer focused value. A key attribute is its metal exterior, which avoids the more common failures associated with plastic module-level power electronics on hot roofs.

NEP’s unique, two-way data communication Rapid Shutdown solution enables installer confidence that rapid shutdown is functioning correctly. This is valuable for safety assurance, code compliance, AHJ approval and characterization of the array performance upon commissioning. Further, NEP includes IV Curve trace ‘service mode’ to enable easier measurements at time of commissioning and through the life of the project. NEP’s optional data gateway is available for remote PV panel diagnostics and data performance.

• PVG-1 and PVG-2 for single and dual PV panels
• Mounting for racking rail and optional clip available for PV module frame mount
• Two way data flow for safety and performance with optional NEP gateway
• Transmitters available in stand-along enclosure and integrated with leading C&I inverters providers

SureSines are the polar opposite of “me too” thinking, designed for the “mission-critical” industrial applications so important to Morningstar  customers. Six models, from 150 to 2500 Watts in both North American 120V and International 230V versions.  Models support combinations of 12/24/48V batteries. The range covers off-grid industrial systems in diverse applications such as rural development, telecommunications and wireless service providers, oil & gas, and more. They have superior thermal performance with fanless design for higher reliability– for example, the 300W model doesn’t derate until 45 C and delivers 200W at 60 C. System-level integration and communication with Morningstar charge controllers. Multiple AC hardwire remote terminal options on selected models. UL 1741 listed, and also IEC-62109-1, IEC 62109-2, and CE/UKCA compliant.

• Power Surge capability at 40 C (under 5 seconds) is twice the rated output power
• Operating temperature range is -40 C to +60 C
• Peak efficiency ranges from 89-92%, depending on the model
• Fanless design—no fans to fail for greater reliability and efficiency
• Full protections built-in

With power categories ranging from 3.8 kW to 15.0 kW, the Fronius Primo is the ideal compact single-phase inverter for residential applications. This sleek inverter is equipped with the SnapINverter hinge mounting system, which allows for lightweight, secure, and convenient installation. The Primo inverters provide maximum safety, reliability, and highest energy yield even on complex roofs of shaded systems – giving customers the best return on their solar investment.

• Two size ranges: Fronius Primo 3.8 – 8.2 & Fronius Primo 10.0 – 15.0
• Smart shade mitigation with Dynamic Peak Manager
• SuperFlex Design for complex roofs and maximum design flexibility
• Wide voltage windows from 80V to 1,000V
• Integrated energy management feature
• Truly field-serviceable

The Fronius Symo Advanced inverter line features six models ranging from 10 kW to 24 kW, ideal for commercial and industrial applications. The Symo Advanced is lightweight and combines high-power density with flexibility to ensure the fastest possible installation for your PV project. The small number of total power conversion electronics adds to the high serviceability from any mounting spot. You get total system granularity with only a low number of system components.  Developed with 2 Multiple Power Point Trackers and Dynamic Peak Manager, the shade mitigation solution, the Fronius Symo Advanced ensures your PV system operates at maximum performance and efficiency.

Yes:  It is listed for both UL 1741 and UL 3741 (with use of PanelClaw and IronRidge racking systems)

• 208 Vac and 480 Vac versions available
• Smart shade mitigation with Dynamic Peak Manager
• SuperFlex Design for complex roofs and maximum design flexibility
• SunSpec transmitter for Module Level Rapid Shutdown integrated
• Truly field-serviceable

The PWRcell Inverter was designed with the installer in mind. This bi-directional, REbus-powered inverter offers a simple, efficient design for integrating smart batteries with solar. Its ability to DC couple to solar and storage makes installation easy, allowing for plug-and-play operation. Solar + battery storage is simplified with this single hybrid inverter for grid-tied solar and whole home power. Ideal for backup power applications, as well as self-supply and zero-export energy cost management, PWRcell Inverters are among the most feature-rich in the industry and are backed by a 10-year limited warranty.

• 97% CEC weighted efficiency
• Simplified system design: No autotransformer or battery inverter needed
• Seamless integration with the Generac PWRmanager and Automatic Transfer Switch for whole-home backup capabilities
• User-selectable modes for backup power, self-supply, time-of-use, zero-import and export limiting
• Integrated system monitoring via PWRfleet web portal and PWRview mobile apps

The microinverter technology you’re familiar with, coming soon from the leader in home energy technology. Generac Dual-module PWRmicros will offer up to 720W continuous power for maximum performance and faster installation at an unbeatable value. Market-leading power throughput taps the potential of larger solar modules and maximizes lifetime system value. Install single-module PWRmicros in combination with dual-module units for unmatched design flexibility. Simplify installation, maximize production, and navigate difficult shade scenarios and complex rooflines with Generac’s line of microinverters.

Five key specs:
1. Two models available: 720W Dual-module PM2-720-01, and 290W Single-module PM1-290-01
2. Minimizes losses due to shading and debris
3. Eliminates single points of failure
4. Integrated grounding and modular bus cabling
5. NEC rapid shutdown compliant

The compact design allows for easy solar integration and energy storage. The web portal and mobile app provides end users and installers with access to monitoring energy cost control and fleet management. Multiple modes are available to manage operation of the complete system solution. The LCD Touchscreen provides a great on-product mode selection and data display. EPS (Emergency Power Supply) will power essential circuits during an outage when paired with a Renogy X ESS. RGM (Revenue Grade Meter) is included that complies with ANSI C12 standards. It is UL 1741 listed.

• Dimensions W x D x H (in/mm): 17.72 x 8.66 x 27.95 (450 x 220 x 710); Weight (lbs./kg): 90.39 (41)
• Compact and compatible design for easy solar integration, energy storage and AC generator
• LCD screen for easy selection management
• Automatic or manual mode selection for Emergency Power Supply
• 8,000 watts rated output
• Intuitive app for on-the-go control and cost management

The Sunny Tripower X is the latest in commercial solar energy generation and the new centerpiece of the proven SMA Energy System Business. As a comprehensive solution, the integrated System Manager enables complete energy management from one platform while combining state-of-the-art technology into one device. This single-source design ensures small to medium-sized businesses can accommodate future energy management and needs. UL listing announcements coming soon.

• High flexibility in system design with 3 MPP trackers
• Easier installation with an overall lighter weight and wall-or-rack mount
• Flexible and scalable system sizing: 30 kW, 25 kW & 20 kW
• Integrated System Manager allows monitoring and control of up to 5 inverters (with up to 150 kVA) and 1 energy meter
• SMA ShadeFix offers next level performance optimization

The Sunny Tripower CORE1 is the only inverter that offers an intelligent IV curve diagnostic, advanced string monitoring, and SMA Smart Connected. The world’s first free-standing PV inverter for commercial rooftops, carports, ground mount and repowering legacy solar projects, the Sunny Tripower CORE1 enables logistical, material, labor, and service cost reductions, and is the most versatile, cost-effective commercial solution available.

• First commercial system listed to standard UL 3741 PV Hazard Control for NEC 690.12 compliance
• System visibility with intelligent IV curve diagnostic and advanced string monitoring
• Integrated SunSpec PLC signal for module-level rapid shutdown compliance to 2017 NEC
• ShadeFix optimization generates more power
• SMA Smart Connected, Sunny Portal, and SMA’s Online Service Center provide automatic, proactive, and unmatched service support

Coming to market in mid-2023, the new, ground-breaking Sunny Boy Smart Energy hybrid inverter system will enable both immediate energy use and storage in one single device, with three modular backup options that deliver greater electricity reliability. With its high-speed battery charging capabilities to its easy installation and handling, this newest offering will provide a capable, flexible solution that empowers homeowners to take control of their energy.

• 2-in-1 solution with a range in powerclass options from 3.8 to 11.4
• Modern, modular design that is also more functional because it is smaller and lighter
• Integrated System Manager allows management of up to 3 inverters and batteries
• 3 modular back-up options offer homeowners energy security choices, with or without a battery
• Save installation time and money with intuitive, quick commissioning from the SMA 360° app

Get more power out of your solar panels with Schneider Inverter’s integrated optimizers. With 4 independent channels, systems are efficient, easier to install, and support complex PV arrays with multiple orientations. For home battery systems, the Inverter pairs with the Boost battery. The compatible Pulse electrical panel can be used to intelligently control what appliances use the battery power during a grid outage. This can extend the battery runtime up to 80% while maintaining flexibility for the homeowner to choose what to power on the fly. The inverter’s 200% surge capability means higher reliability backup power by better handling the initial surge of electricity that many appliances require when starting. The solar and battery systems can operate with dc or ac-coupled solar, and are compatible with generators for extended backup. Schneider’s 200 Amp rated Backup Controller is available in multiple configurations for easier installations and fewer boxes on the wall. Schneider Inverter will be available in H2 2023.

• 7 kW continuous backup power, 15.4 kW peak output power (10 sec)
• Easy installation and commissioning experience
• Easy integration with load control and management
• Flexible battery capacity with 10 to 30 kWh per inverter, or install as a battery-ready solar power system
• Rated for Indoor or Outdoor installations

The XW Pro leads Schneider Electric Solar’s hybrid inverter range, as it provides installers with the flexibility to design and install a complete solar and storage system. The XW Pro offers a high overload power rating of 1.75x with the ability to stack up to 4 inverter units to increase overall power output. Because of its scalable and adaptable infrastructure, the XW Pro can also be integrated with lithium-ion batteries for solar and storage, or backup power systems without solar. Schneider Electric’s solar hybrid inverters come with a complete ecosystem of accessories to enable efficient installation. This includes integration with MPPT charge controllers and Insight Energy Management, Schneider Electric’s energy management software that allows solar professionals to remotely manage multiple installation sites with ease.

• Reliable performance with a 6.8 kW output with up to 12 kW peak overload
• Flexibility in installations and operations with Stacking capability of up to 4 units in single-phase or 6 units in 3-phase
• Compatibility with a wide range of battery technologies, including Lithium-ion battery integration
• Optional integration with generator
• Compatible for use across a wide range of applications such as grid-tied, off-grid, self-consumption, backup power

Sol-Ark’s 15K-2P (UL# Limitless 15K-LV) is so powerful that it eliminates standby generators, a 200A whole home transfer switch (built in), UPS’s for electronics due to 5ms switching, Neutral Forming Transformer due to split phase output, and parallel stacking because only one is needed. Sol-Ark also sells smaller units (12K-2P, 8K-2P, 5K-1P) for critical loads, off grid, and mobile applications. Features and benefits include parallel stacking, grid sell, meter zero, time of use, smart load, generators, simultaneous AC & DC Coupling, & peak shaving. The company has partnered with many battery companies like HomeGrid, Endure, SimpliPhi, Fortress, Blue Ion, Storz Power, PowerSync, and Discover to advance inverter and battery control through extensive communications.

• 20 kW pk power
• 4ms UPS Transfer times,
• Generator support,
• 93% Round Trip Efficiency

Sol-Ark introduced a line of three-phase hybrid inverters in light commercial 30K-3P-120/208V and industrial 60K-3P-277/480V. Both support 4 MPPTs for dc coupling, ac coupling, generators, UPS grade 200A 5ms auto transfer switch between grid/off-grid/generator, 12 parallel stacking, two independent high voltage batteries, and U.S.-based remote monitoring/control. Previously, 208V ESS applications had to use 480V inverters and massive transformers, wasting power and install time. Most previous C&I hybrids were for on-grid peak shaving or meter zeroing and lacked built-in transfer switches for grid forming. Sol-Ark 30K & 60K is an all-in-one, easy-to-install hybrid inverter for the C&I market.

• Native 3Phase 120/208V or 277/480V without a transformer
• Built in 200A 5ms Grid/Off-Grid/Generator transfer switch
• Built in 4 MPPT’s for DC Coupling & Simultaneous AC coupling
• Parallel stacking to 12 units
• US based remote monitoring/control

The SolarEdge Home Hub inverter’s industry leading 99% weighted efficiency paired with its ability to DC oversize up to 200% allows installers to install more power, increase system ROI, and better meet the increasing energy needs of their customers. Additionally, the DC-coupled Home battery offers installers the ability to install the inverter, battery, and EV charger on a single breaker which enables faster installation both at the time of install, as well as with future additions, with fewer main panel upgrades. All of this paired with a standard warranty of 12 years extendable to 25 years, integrated arc fault protection, and in app features such as Weather Guard, enables installers to offer their customers increased peace of mind and reliability.

• 99% weighted efficiency, 94.5% round trip efficiency with SolarEdge Home Battery
• Pairs quickly with up to 3 SolarEdge Home batteries per inverter, Smart EV Charger, and SolarEdge Smart Energy Devices, with up to 3 inverters per system.
• DC coupling allows for inverter, battery, and EV charger to be installed on one breaker, resulting in fewer main panel upgrades, and lower installation costs
• 3.8 kW to 11.4 kW range with up to 200% DC oversizing allowed
• NEMA 4X and UL1741SA certified

Reaching up to 120kW, SolarEdge’s Three-Phase Inverters with Synergy Technology are designed to provide more power and higher profitability in large-scale PV installations. Maximizing energy production with up to 175% DC oversizing, it offers improved uptime through modularity and independently working units.

A pre-commissioning feature allows installers to validate system components before connecting to the grid and the built-in night-time PID rectifier helps to avoid module performance degradation.

Advanced safety is offered through SolarEdge’s arc fault protection and rapid shutdown, built-in thermal sensors on the DC and AC terminal blocks, and field-replaceable surge protection devices

Three Phase Inverter with Synergy Technology Power Ratings:

• 50kW @208V grid,
• 80kW, 100kW, 110kW, 120kW @480V grid
• 2-person installation (each inverter consists of 2 or 3 Synergy units and one Synergy Manager)
• Pre-commissioning designed to resolve system issues before grid connection via SetApp and a USB power bank.
• Monitored and field-replaceable type 2 surge protection devices (SPDs)
• Solution includes solar module level optimizer yielding savings on eBOS and allowing for greater energy production over plant life

Three Phase Inverter Power Ratings:

• 10kW (available in Q3 2022), 17.3kW @208V grid;
• 30kW, 40kW @480V grid

The S-Series features advanced safety features such as SolarEdge Sense Connect, an industry-first technology that detects temperature increase at the connector level, stopping power flow before an arc can occur. The SolarEdge Sense Connect technology joins an expanded range of safety features, such as SafeDC, and rapid shutdown. Providing 99.5% efficiency and supporting two high power, high input current PV modules, the S-Series lowers Levelized Cost of Energy thanks to higher yield and enables longer and more powerful strings.

Size / category: 3.8K to 11.4K / Grid Support Utility Interactive PV + Storage Inverter

Ease of installation, flexible design for a variety of customer use cases.  The Solis S6 (Series 6) hybrid inverter can be installed as a simple grid tie inverter that’s “battery-ready”.  The inverter can be set up as a battery backup solution.  The S6 can be set up with PV and battery, connected to the grid, or off grid.  The Solis S6 Hybrid utilizes high voltage batteries, 120-550Vdc and Solis US has UL 9549 certification with many recognized and new battery brands in the growing US storage market. The Solis S6 Hybrid is UL 1741 SA & SB certified.  It is a grid support utility interactive inverter.  The S6 hybrid is UL 3741 certified with Esdec Solar rooftop solar racking systems (Ecofasten, PanelClaw, Ironridge). 

• Four (4) independent MPPTs rated for new high-power, high current PV modules
• 120/240 split phase Grid and Backup power. 50 amps continuous Backup
• Inverters can be paralleled using RS485
• New Bluetooth connectivity, plug-and-play antenna extends range
• Factory integrated PVRSS

Size / category: Residential and Commercial Inverter Wi-Fi / Cellular Data Logging Device

The best “combination” Wi-Fi / Cellular data logging communication device on the market.  NEMA 3R, plug-and-play connection to the Solis inverter external comm port.  Powers up and begins broadcasting with 2 minutes.  Default Wi-Fi to the local router.  However, if the router fails, within 2 minutes, the W4G “stick” finds the nearest GSM or LTE cellular tower.  No breaks in data, ever.  Physical reset button and three (3) LEDs on the front tell the installer what the device is doing.  The Solis Wi-Fi / Cellular “stick” is a data logging communication tool that can broadcast data from as many as ten (10) Solis residential or commercial PV string inverters daisy-chained with Solis cords or CAT5e cable.  The S1-W4G-ST is also a great troubleshooting tool.  Using the S1-W4G-ST, an installer can connect any Solis inverter to the nearest cell phone tower and see if the inverter is broadcasting data to the Cloud.

• Touch-safe, plug-and-play installation with no configuration of the device
• Easy Wi-Fi connection to the local router using the installer’s own cell phone
• NEMA 4X, installed under the inverter for all-weather performance
• Each Solis data logging device can broadcast data from as many as 10 inverters
• Small, rugged and easy to carry, the Solis Wi-Fi / Cellular data logging device can be a handy trouble-shooting tool

Size / category: 75K, 80K, 90K and 100K family of 1000 Vdc / 480 Vdc grid-support utility interactive PV string inverters

The Solis S5-GC family of PV Filling a neglected power size niche in the US solar market, Solis 75K – 100K inverters are also unique with the industry’s widest full power MPPT operating range.  With adjustable ac voltage connections from 310 V to 480 Vac, the Solis S5-GC(75-100)K-US family of inverters are the best repowering PV string inverters on the market today.  Used as replacement for older central or PV string inverters, the modern Solis 1000 Vdc inverters deliver safety upgrades and better communication capabilities to “legacy” 600 Vdc PV arrays that may be sitting on valuable land, or may have favorable off-taking contacts or interconnection agreements.  Solis S5-GC(75-100)K-US inverters can be located at the combiner box or at a central location.  In either case, very wide full-power MPPT operating ranges (e.g., 90K, 309-850 Vdc) on as many as 10 independent MPPTs will extract maximum value from aging PV arrays.

The S5-GC(75-100K)-US family of inverters are UL 1741 SA & SB certified and comply with IEEE 1547-2018 and 2030.5.  The S5-GC(75-100K)-US inverters are UL 3741 certified with Sollega and with Esdec Solar rooftop racking systems (Ecofasten, PanelClaw, Ironridge). 

• 8 to 10 independent MPPTs with wide full power dc operating ranges
• Segmented dc switches for arc fault and troubleshooting isolation
• Wide ac voltage connection capability
• High amp MC4-type dc inputs allow for PV string Y-connect in the array field
• Integrated AC switch and UL 3741 PV Fire Hazard listed with popular PV racking systems

Our Tigo EI Residential Hybrid Inverter can work as a standalone photovoltaic inverter today and when you’re ready for storage, easily add our EI Battery. When paired with Tigo’s Optimizers, our patented PIV enables more output per given area and modules to be placed in areas with shade. PVRSS certified for Rapid shutdown with Tigo’s TS4-A-O and TS4-A-F/-2F MLPE, right out of the box. With 50V startup, the inverter can wake up early and shutdown later. This means our system is able to maximize more energy production through the day. It is UL 1741 listed.

• Available in 3.8 kW, 7.6 kW and 11.4kW models
• Storage-ready ‘hybrid’ inverter
• 50V starting voltage, wide operating range
• Up to 200% DC oversizing (2:1 DC/AC ratio)
• Warranty = 152 months