Many factors determine a system’s energy production on a rooftop, compared to its energy production in standard testing conditions. Your solar professional may have provided a production estimate using estimation tools like PVGIS. Estimation tools consider many factors such as location, seasonal variation, roof pitch, wiring, and electrical losses to calculate production estimates.

You can use the following formula for a simple estimate:
DC system size (kW) × hours of sun/day × system efficiency = estimated AC daily energy production

Example:
5 kW × 5 hr/day × 0.77 = 19.25 kWh/day

Microinverters with integrated MC4 connectors will not be shipped with a Q-DCC-2 adapter cable, as they are no longer necessary.

Yes, you will use the same commissioning and monitoring application for commercial systems, and you will be able to monitor your entire fleet of installed systems, irrespective of individual site type or microinverter.

Download the data sheets or browse all our technical publications in the Documentation Centre.

On cloudy or rainy days, your system produces less energy compared to days with a clear sky. The impact of clouds on your system’s energy production varies depending on the cloud cover and the duration it obscures sunlight over your panels during the day.

Maximum energy is produced when the sky is bright and clear—especially if the angle of the panels towards the sun is optimal and the temperature is cool, since solar panels work more efficiently in lower temperatures. If the weather is clear but production is still low, check for dirt, snow, shade, or debris on the surface of the solar panels.

Refer to https://enphase.com/en-gb/installers/microinverters and learn more about Enphase microinverters.

PV modules seldom produce power at their test condition power rating. This leads installers to pair PV modules with power ratings higher than the inverter power rating. In many locations, high DC:AC ratios may not result in significant clipping losses. To learn more, refer to the U.S.-based technical brief, which can be accessed at https://www4.enphase.com/sites/default/files/downloads/support/Enphase-Tech-Brief-Why-Larger-EN-US_0.pdf.

Yes, refer to https://support.enphase.com/s/article/Introductory-Webinar-for-Homeowners. 

The Enphase Energy System brings solar, batteries, and software together in one complete package so that you can make, use, save, and sell your own power. To learn more, please visit https://www.youtube.com/playlist?list=PLqZbVBLbVZ5v0Tlpo3z05ybe7a7245YZ3. 

IQ8MC, IQ8AC, and IQ8HC Microinverters will be available. The data sheet contains all information related to specifications and can be found here.

The IQ8 Series Microinverter data sheet can be found here.

The IQ8MC, IQ8AC, and IQ8HC Microinverters provide a higher DC current handling capacity of 14 A, making them compatible with new high-current PV modules. In addition, the IQ8HC Microinverter provides 384 VA, for pairing with high-wattage PV modules up to 530 W.

Yes.

IQ8 Series Microinverters come with a 25-year warranty.

Yes.

Yes, IQ8 Series Microinverters can work with third-party battery solutions. Please review your system design with Enphase Support prior to installing and commissioning the system.

No. The IQ Gateway, Standard or Metered, does not support mixing IQ8 Series Microinverters with previous generations of Enphase microinverters.

No.

There is no change in the installation process and procedure. IQ8 Series Microinverters must be commissioned using Installer App version 3.33 or above.

No.

There are no special instructions for microinverters with integrated MC4 connectors. Please follow the same installation practices as outlined in the Enphase installation manual.

Yes. Please visit the Training and Certification page for more information.

Certifications EN50549-1, VFR 2019, IEC 62109-1/-2, IEC 61000-3/-6, IEC 50065-1/-2, EN55011, G98, G99, and G100 are available.

Yes. The existing IQ Gateway, Metered and Standard, and IQ Relay, three-phase and single-phase, work with IQ8 Series Microinverters.

There is no change in the RMA process for IQ8 Series Microinverters. It remains the same as IQ7 Series Microinverters: call Enphase Support and request an RMA via the Enphase App, Installer App, or Enphase Installer Portal.

Please contact Enphase Support.

No, there is no price difference between the microinverters that have integrated MC4 connectors and those that use adapter cables.

It doesn't use an external bulkhead adapter, so the overall cable is a bit less. However, module leads are typically 4 to 6 feet long, so the impact is minimal.

• Installers can currently deploy Enphase solutions for three-phase electrical service customers utilizing the Enphase IQ7+, Q Cable and IQ Commercial Gateway. This provides a 208V three-phase solar PV solution compatible with 208V three-phase electrical main service panels and 480V electrical main service panels when the PV is connected to the low side of a 480-208 transformer. For locations requiring loss of phase detection. The Enphase Three Phase Network Protection Relay, which includes the IQ Commercial Gateway, offers loss of phase detection for sites that need it.

Yes, all microinverters will eventually have integrated MC4 connectors. We are gradually transitioning each inverter in a phased manner.

• Yes, all system owners will utilize the same app, irrespective of system type. Owners with multiple systems can access all their Enphase systems from a single login to the Enphase App.

In the Enphase Installer Portal (formally known as Enlighten Manager):

1. Click on “Systems” tab
2. Select a system from the list
3. Click the “Devices” tab
4. The "Processor Load" column will show the existing firmware version