Inverters and eBOS

Technology trends and installation and servicing advice for solar PV string inverters, central inverters, microinverters and DC optimizers.

2020 Inverter Buyer’s Guide now available


SMA’s utility-scale storage inverters now all UL-listed

SMA’s utility-scale storage inverters now all UL-listed

November 30, 2017 at 12:34 pm Comments are Disabled

SMA just announced two new power classes for its utility-scale storage product portfolio. Now available, the Sunny Central Storage 2750-EV-US for 1,500 V projects has achieved UL 62109 listing, and the Sunny Central Storage 2475-US for 1,000 V projects has achieved UL 1741 listing. Other products in the line-up, includingRead More

Schneider Electric expands power ratings of Conext SmartGen inverter line

Schneider Electric expands power ratings of Conext SmartGen inverter line

November 29, 2017 at 12:50 pm Comments are Disabled

Schneider Electric Solar has extended its Conext SmartGen inverter power ratings for greater flexibility and optimization of both small and large utility power plants. For large scale power plants, the CS2200 is now available and is optimized for 4.4 MW stations using two inverters. To expand the power ratings forRead More

Pared-down MLPE: How Empower Micro Systems does residential solar with two SKUs

Pared-down MLPE: How Empower Micro Systems does residential solar with two SKUs

November 15, 2017 at 12:17 pm Comments are Disabled

In its early days, the U.S. residential solar market was dominated by high-volume buyers like Sunrun, Solar City and Vivint, which means they bought most of the equipment, with the remaining market being served through distribution channels. But big-time growth going forward in the residential solar segment will be drivenRead More

PV Pointer: Minimize truck rolls by using smart software

PV Pointer: Minimize truck rolls by using smart software

November 6, 2017 at 3:14 pm Comments are Disabled

We’ve all heard the expression “work smarter, not harder,” but you would be surprised how often solar installers get in a truck and roll out to a jobsite to adjust or repair something that probably could have been fixed remotely back at HQ. Many software-savvy solar installers are boning upRead More

All Fronius Primo, Symo inverters are now Rule 21 compliant

All Fronius Primo, Symo inverters are now Rule 21 compliant

November 6, 2017 at 1:47 pm Comments are Disabled

Fronius USA received UL certification for the Fronius Primo 10-15 kW and Fronius Symo 208-V inverters to comply with California’s Rule 21 inverter requirements. With that, all Fronius Primo and Symo inverters are now Rule 21 compliant. What this means Rule 21 refers to the generator interconnection requirements of eachRead More

Advanced Cable Ties, Inc. announces another significant new product introduction, NYLON 12 Cable Ties, molecularly designed to withstand the harsh rays of the sun and corrosive outdoor elements. (PRNewsfoto/Advanced Cable Ties)

Advanced Cable Ties debuts new Nylon 12 tie for solar installations

November 1, 2017 at 10:55 am Comments are Disabled

Advanced Cable Ties, Inc. announces another significant new product introduction, NYLON 12 Cable Ties, molecularly designed to withstand the harsh rays of the sun and corrosive outdoor elements. The unique properties of Nylon 12 make it the choice for engineers designing for Solar and Wind Power Applications as well asRead More

On the Scene: We went to the Eaton Experience Center to see the grid’s future

On the Scene: We went to the Eaton Experience Center to see the grid’s future

October 31, 2017 at 10:00 am Comments are Disabled

Eaton is one of those companies that does everything without you realizing it, with innovations for industries as diverse as aviation, data centers, food and beverage, rail and, of course, utilities, just to name a few. The company recently expanded its Experience Center in Pittsburgh to show the latest advancesRead More

How OMRON reduces solar module PID potential through its inverter topology

How OMRON reduces solar module PID potential through its inverter topology

October 30, 2017 at 10:49 am Comments are Disabled

Potential induced degradation (PID) of a solar module — you know it, and you hate it. We met with string inverter manufacturer OMRON at Solar Power International, which claimed its inverter can actually prevent PV degradation from PID. They explained it like this: Grounding module frames causes a voltage differenceRead More

Tabuchi updates EIBS solar-storage system, now UL 9540 certification compliant

Tabuchi updates EIBS solar-storage system, now UL 9540 certification compliant

October 25, 2017 at 4:22 pm Comments are Disabled

At Intersolar, Tabuchi America, announced the launch of its Next Generation Eco-Intelligent Battery System (EIBS). The all-in-one system is compliant with the cUL 9540 certification requirements, which provides third-party validation of safety, reliability and efficient energy management for hybrid solar-plus-storage systems. Tabuchi’s grid-friendly system includes a high efficiency inverter, stackableRead More

Entire Solis 4G inverter line now available with UL 1741 SA certification

Entire Solis 4G inverter line now available with UL 1741 SA certification

October 23, 2017 at 9:42 am Comments are Disabled

Ginlong Technologies sent word that its complete product line of Ginlong Solis (NA) Single-Phase 4G PV string inverters have been tested and certified for compliance to the new UL 1741 SA Standard as described in the California Public Utility Commission (CPUC) Rule 21. Each Ginlong Solis (NA) single-phase 4G PVRead More