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


Ginlong Solis inverters now SunSpec-certified for rapid shutdown

Ginlong Solis inverters now SunSpec-certified for rapid shutdown

May 4, 2020 at 12:38 pm Comments are Disabled

Ginlong Technologies officially rolled out its portfolio of SunSpec-certified residential, hybrid and commercial inverters to the U.S. market in April. Upon successful completion of the SunSpec Modbus certification, Solis single and three phase inverters now include the SunSpec communication protocol for rapid shutdown, in accordance with NEC 2017-2020 module-level requirements.Read More

Solar Distancing: Sizing a storage system based on an energy bill

Solar Distancing: Sizing a storage system based on an energy bill

April 23, 2020 at 1:25 pm Comments are Disabled

Sizing out a PV system is somewhat simple. Sizing the storage element to pair with it is much more nuanced and complex depending on whether the battery is just for backup (and how much back up) or for daily cycling (or both!) and what the ROI would be based onRead More

CPS inverter service techs now blanket the country. Photo: CPS.

CPS America adding 20A rated fuses to its standard large-scale inverter wire-boxes

April 20, 2020 at 11:21 am Comments are Disabled

As the solar PV industry moves toward larger module power generation capacities and short circuit current ratings, many PV system dc circuits now require 20A rated fuses. To meet this need, CPS is now producing its 100/125kW standard wire-boxes with 20A fuses installed. This product improvement/change will be effective forRead More

Solar Distancing: What is a hybrid solar PV inverter?

Solar Distancing: What is a hybrid solar PV inverter?

April 17, 2020 at 12:13 pm Comments are Disabled

Solar PV and battery storage systems have been paired together for decades, but a new wave of hybrid inverters have entered the market to streamline how these systems install and operate. Jeff McAndrew, director of sales for clean energy solutions at Generac, joins us to explain how a hybrid inverterRead More

The role of inverters in the rise of virtual power plants

The role of inverters in the rise of virtual power plants

April 15, 2020 at 10:15 am Comments are Disabled

A virtual power plant (VPP) is a network of distributed energy sources aggregated into a single cloud-based point of control at the utility. When distributed energy generation sources are coupled with storage (like a group of solar homes), greater possibilities for cost reduction and revenue generation emerge. As part ofRead More

OutBack Power charge controllers now compatible with Tigo Energy rapid shutdown solutions

OutBack Power charge controllers now compatible with Tigo Energy rapid shutdown solutions

April 6, 2020 at 9:57 am Comments are Disabled

OutBack Power and its FLEXmax charge controllers are now compatible with Tigo Energy Inc.’s Fire Safety solution device to meet NEC 2017 module-level rapid shutdown. The tested compatibility includes Tigo’s Fire Safety – TS4-F integrated for smart modules and TS4-A-F add-on for existing PV systems – with OutBack’s FLEXmax 100 and FLEXmax 100Read More

Solar Distancing: Can batteries and generators coexist on the same system?

Solar Distancing: Can batteries and generators coexist on the same system?

April 1, 2020 at 5:10 pm Comments are Disabled

So you have a generator and want to add batteries and solar. Or, you have a solar + storage system and want to add a generator. Can you even do this? And is it worth it? Paul Dailey, director of product & market strategy with Outback Power, shares his thoughts,Read More

Solar Distancing: How to add energy storage to a grid-tied solar PV system

Solar Distancing: How to add energy storage to a grid-tied solar PV system

March 31, 2020 at 5:15 pm Comments are Disabled

If a home already has an existing solar PV system, energy storage can be added as a retrofit via AC coupling — as long as you have the right inverter in place and understand the nuances. Ian McCluskey, Associate Product Manager for Outback Power, explains how to do it, andRead More

CPS inverter service techs now blanket the country. Photo: CPS.

Exclusive details on CPS America’s dedicated solar inverter O&M service

March 31, 2020 at 10:00 am Comments are Disabled

The concept of offering operations and maintenance (O&M) to solar asset holders is not new. A host of O&M companies now provide soup-to-nuts service for commercial and utility-scale PV plants. But none of these service providers is also an inverter manufacturer, much less one that offers a 99 percent inverterRead More

California Rule 21 compliance deadline extended to June 22

California Rule 21 compliance deadline extended to June 22

March 30, 2020 at 1:03 pm Comments are Disabled

As of March 20, 2020 the California Public Utilities Commission has issued an extension of the CA Rule 21 compliance deadline, pushing the date to June 22, 2020. This includes the Smart Inverter Phase 2 communications requirement and Phase 3 smart inverter requirements. This marks yet another delay in theRead More