Enphase went public in March 2012 and began trading on the Nasdaq with the stock symbol ENPH.[7] Contact online >>
Enphase went public in March 2012 and began trading on the Nasdaq with the stock symbol ENPH.[7]
Enphase experienced leadership changes in September 2017 when the President and CEO, Paul Nahi, announced his resignation from the company.[10] Badri Kothandaraman was appointed the company''s new president and CEO. Kothandaraman was previously the company''s chief operating officer.[11]
As of 2020[update], Enphase had about a 48% market share for residential installations in the US,[12] which represents 72% of the entire world micro-inverter market. In the global market for inverters for all customers (residential, commercial and industrial), microinverters have a 1.7% share of the inverter market.[13]
Also in 2021, the company launched its eighth-generation microinverter technology, the IQ8 series, to customers in North America.[18] As of 2022[update], Enphase has shipped more than 48 million microinverters and deployed more than two million Enphase-based systems in more than 140 countries.[2]
In 2022, Enphase completed the acquisition of SolarLeadFactory LLC, a company that provides leads to solar installers.[19]
The M175[20] was the first product from Enphase, released in 2008. It was designed to output 175 Watts of AC power. The M175 was packaged in a relatively large cast aluminum box. Wiring was passed through the case using compression fittings and the inverters connected to each other using a twist-lock connection. The product saw modest sales.
Sales picked up with the second generation M190,[21] released in 2009. The M190 had a slightly higher power rating of 190 Watts, but in a much smaller case with built-in cable connections replacing the earlier compression fittings.
The third generation M215 was introduced in 2011 bumping up the power rating to 215 Watts and adding trunk cabling, which increased installation speed by using one long cable run, with the inverters spliced in as necessary.
The fourth generation M250 was released in 2013,[23] increasing the power rating to 250 Watts and efficiency to 96.5%. The fourth generation added an integrated grounding system, eliminating the external grounding conductor. Enphase continued to offer the M215 but updated it with the integrated grounding system.
In 2015, the company launched its fifth generation of products. The "S" series S230 and S280 microinverters with power ratings of 230 and 280 Watts, increased efficiency of 97% and added advanced grid functionality like reactive power control along with bidirectional capabilities allowing the micro-inverter to also convert AC into DC for battery use.
Since 2017, Enphase has been offering its "IQ" series microinverters which use a simplified cabling system with two conductors (down from four) that eliminated the need for a neutral line. The first to be introduced was the IQ6, with the older M215, M250 and S280 remaining on sale but updated to use the new cabling system. The updated IQ7 series was launched in 2018.[27]
In 2020, the company introduced the Enphase Encharge storage system, now known as the IQ Battery, to customers in North America and expansion into parts of Europe began in 2021. The IQ Battery features lithium iron phosphate (LFP) battery chemistry and comes in two capacity size configurations, 10.08kWh and 3.36kWh. Both configurations are compatible with new and existing Enphase solar systems with IQ6, IQ7, or IQ8 Microinverters.[30]
All Enphase Energy Systems with microinverters and batteries are paired with an IQ System Controller, which provides microgrid interconnection device (MID) functionality by automatically detecting and transitioning the system from grid power to backup power in the event of a grid failure.[31]
In 2021, Enphase Energy Systems added the option of including software to integrate most AC home standby generators. And the IQ Load Controller is a hardware add-on feature that enables systems to shed non-essential loads automatically or manually to further extend battery life and system capabilities.
All Enphase microinverter models use power line communications to pass monitoring data between the inverters and the Envoy communications gateway, now known as the IQ Gateway. The IQ Gateway stores daily performance data for up to a year, and, when available, allows Enphase''s web service platform to download data approximately every 15 minutes. Customers and installers can review the data on the web services platform and Enphase App.
The company previously developed and manufactured photovoltaic panels, before spinning off that part of its business in 2020 as Maxeon Solar Technologies. The company had also previously marketed its products to commercial and industrial customers before agreeing to sell that business line to TotalEnergies in February 2022.
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