Inverters and eBOS

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

CPS 100 and 120

Pictured: CPS 120-kW

This month, our inverter coverage is sponsored by CPS America. With easy access to real, knowledgeable people, stocked parts, 24-hour RMA turnaround, and exceptional diagnostic hardware, CPS America is committed to full life-cycle service and support. Learn more here.

Featured Webinar in March: Rapid Shutdown Showcase: A review of commercial solar RSD strategies and solutions

2020 Inverter Buyer’s Guide now available


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 0 comments

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 0 comments

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 0 comments

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 0 comments

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 0 comments

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

Solar Distancing, ep. 5: Basics of battery recycling

Solar Distancing, ep. 5: Basics of battery recycling

March 27, 2020 at 8:00 am 0 comments

Eric Hill, energy storage and systems manager at Outback Power, joins us again to discuss what to do with batteries when they have reached end of life. Can you recycle them? Which kinds? And how do you go about doing that? Solar Distancing archive Episode 4: Battery charging and monitoringRead More

KACO 1500 volt inverter project in Norway

Yes or no: Should 1,500 volt solar inverters be installed on rooftops?

March 25, 2020 at 10:00 am 1 comment

As part of our 2020 Solar PV Inverter Buyer’s Guide, we asked manufacturers “Should 1,500 volt solar inverters be installed on rooftops?” Here is what they had to say. Should 1,500 volt solar inverters be installed on rooftops? Matt Marx, Strategic Marketing Manager at SMA: “No, because current code requirementsRead More

SolarEdge offers the only EV charger/solar inverter on the market.

Solar PV technology trends from the 2020 Inverter Buyer’s Guide

March 24, 2020 at 8:09 am 0 comments

As part of our 2020 Solar PV Inverter Buyer’s Guide, we asked manufacturers to tell us one trend emerging in the marketplace solar installers should be considering. Here is what they had to say. Residential Inverters as a strategic hub Lior Handelsman, VP of Marketing & Product Strategy and FounderRead More

Get familiar with inverter manufacturer FIMER (which acquired ABB last year)

Get familiar with inverter manufacturer FIMER (which acquired ABB last year)

March 23, 2020 at 12:38 pm 0 comments

FIMER started as a welding technology company in Italy in 1942 that started to develop inverter technology applied to industrial automation in 1983. In 2007, it entered into the solar space, developing modular technology for central inverters. The company boasts top market share in Central and Latin America in itsRead More

Solar Distancing, ep. 1: What the heck is this?

Solar Distancing, ep. 1: What the heck is this?

March 23, 2020 at 10:02 am 0 comments

Welcome to episode 1 of Solar Distancing with your quarantined host Chris Crowell, managing editor of Solar Builder. Solar Distancing is a reaction to our current predicament — the pandemic isn’t time to panic – it is a time to prep! Solar Distancing will be a short series of informalRead More