Inverters

Trends and best practices for installing solar PV inverters. Coverage includes string inverters, central inverters, microinverters, DC optimizers, rapid shutdown and more.

Siemens to acquire KACO new energy GmbH

Siemens to acquire KACO new energy GmbH

March 5, 2019 at 10:26 am 0 comments

Siemens announced plans to acquire the string inverter business of the KACO new energy GmbH, one of the leading manufacturers of energy-related power electronics, for an undisclosed sum. The project development and EPC activities are not part of the acquisition. The closing of the transaction is subject to regulatory approvalRead More

Need for Speed: Inside the upgrades to the most powerful microinverter on the market

Need for Speed: Inside the upgrades to the most powerful microinverter on the market

February 11, 2019 at 10:40 am Comments are Disabled

Today’s solar systems require a more robust communication architecture to manage significantly more data points and in-field software updates, and this need was the driving force behind APsystems’s newest microinverter. Despite being the most powerful microinverter you’ll find on the market, the QS1 debuted rather quietly at Solar Power InternationalRead More

Delta issues recall of Eltek solar inverters due to fire hazard

Delta issues recall of Eltek solar inverters due to fire hazard

February 11, 2019 at 10:34 am Comments are Disabled

This recall involves the Eltek THEIA HE-t string inverters installed between 2013 and 2015 after it was discovered the capacitors can fail and allow heat to build up, causing the cover to eject with force from the unit and posing fire and impact hazards. The recalled inverters measure about 28Read More

Delta inverters are now certified for rapid shutdown via Tigo Energy

Delta inverters are now certified for rapid shutdown via Tigo Energy

January 30, 2019 at 8:06 am Comments are Disabled

Delta Group inverters are now UL certified with Tigo’s rapid system shutdown (RSS) solutions: TS4-F (Fire Safety), TS4-O (Optimization), and TS4-L (Long String). Tigo is currently shipping with Delta and more tier one certified inverter manufacturing partners throughout the U.S. This UL certification is part of Tigo’s multivendor initiative providingRead More

World’s largest solar PV peaker power plant uses DC-coupled storage design with Ampt optimizers

World’s largest solar PV peaker power plant uses DC-coupled storage design with Ampt optimizers

January 28, 2019 at 11:06 am 1 comment

The Lāwa’i Solar and Energy Storage Project in Hawaii completed this month became the world’s largest operational solar PV+storage peaker plant and is responsible for delivering 11% of Kauai’s power while providing mission critical grid support during peak demand periods.  The completion of this system allows the utility to deliver upRead More

SunSpec Alliance partners with 7 test labs to certify products for its solar, storage communication standards

SunSpec Alliance partners with 7 test labs to certify products for its solar, storage communication standards

January 22, 2019 at 8:58 am Comments are Disabled

SunSpec Alliance, the information standards and certification organization for the Distributed Energy Resource (DER) industry, announced the first SunSpec Authorized Test Laboratory (ATL) partners to provide SunSpec Certified testing services to a global roster of SunSpec Alliance member companies. SunSpec Authorized Test Laboratories represent a foundational service for inverter and otherRead More

KACO relaunches its portal for remote monitoring, now called blueplanet web

KACO relaunches its portal for remote monitoring, now called blueplanet web

January 22, 2019 at 8:03 am Comments are Disabled

KACO new energy has relaunched its Internet portal for the remote monitoring of its solar PV systems. Since December 2018, the portal has appeared in a refreshed look under the name blueplanet web (formerly Powador-web). As part of the modernization, the Germany-based PV specialist is now offering users a mobileRead More

Inside the upgrades to the most powerful microinverter on the market (now shipping)

Inside the upgrades to the most powerful microinverter on the market (now shipping)

January 17, 2019 at 10:00 am 1 comment

Today’s solar systems require a more robust communication architecture to manage significantly more data points and in-field software updates, and this need was the driving force behind APsystems’s newest microinverter, the QS1, which is now shipping in the U.S. Despite being the most powerful microinverter you’ll find on the market,Read More

New standard emerging for grid operators to communicate with DER smart inverters

New standard emerging for grid operators to communicate with DER smart inverters

January 14, 2019 at 2:13 pm Comments are Disabled

A collaborative team published a new Application Note to help grid operators communicate with distributed energy resources (DER) and enhance use and value of energy storage and solar generation connected to smart inverters. Led by the Electric Power Research Institute (EPRI), the group includes the DNP Users Group, the MESA StandardsRead More

Grid Neutral: How this DC transformerless inverter brings affordable off-grid power to the grid

Grid Neutral: How this DC transformerless inverter brings affordable off-grid power to the grid

January 14, 2019 at 1:54 pm Comments are Disabled

The latest advancements in solar + storage systems have been a departure from the history in this category — mainly, doomsday preppers and hippies getting off the grid, man. No, the solutions of tomorrow are grid-tied but built to reduce a home’s dependency on the grid, using time of useRead More