To answer this question let s look at the limitations of string inverters.
Enphase micro inverter spec sheet.
During enphase energy s q3 2017 earnings call raghu explained the development of the iq8 product and its ability to operate without the grid.
Enabling enphase to provide an industry leading warranty of up to 25 years.
Enphase microinverters come with a 25 year warranty.
With the advanced m215 the dc circuit is isolated and insulated from ground so no ground electrode conductor gec is required for the microinverter.
Enphase iq 7 and iq 7 microinverter data sheet review specifications for the enphase iq 7 iq 7.
This simplifies manufacturing and significantly reduces costs.
Americas easy to install lightweight and simple faster installation with improved lighter two wire cabling built in rapid shutdown.
We ve found that 335w is a good upper limit for the rated output of the iq7.
The iq 6 and iq 6 micro extend the reliability standards set forth by previous generations and undergo over a million hours of power on testing enabling enphase to provide an industry leading warranty of up to 25 years.
Streamlined components make for quicker and less costly installations.
The enphase system includes the micro inverter the envoy communications gateway and the web based enlighten monitoring and analysis website.
Enphase microinverters the enphase m215 microinverter with integrated ground delivers increased energy harvest and reduces design and installation complexity with its all ac approach.
Enphase energy is currently working on the iq7 which is designed as a universal microinverter suitable for use in all locations globally.
Enabling enphase to provide an industry leading warranty of up to 25 years.
Americas easy to install lightweight and simple faster installation with improved lighter two wire cabling.
The enphase spec sheet suggests the iq7 is compatible with panels up to 440w but that s overkill given any power generated above the 290w cap is wasted.
The enphase energy micro inverter system improves energy harvest increases reliability and dramatically simpliļ¬es design installation and management of solar power systems.