Microinverters vs. Optimizers in Grid-Tie Solar Systems - Commercial and
Microinverters vs. Power Optimizers Review
Solar Electric Supply provides complete residential and commercial grid-tie solar systems with
Enphasemicroinverters and the very efficient
Microinverters are small grid-tie inverters that mount to each solar panel.
Power optimizers isolate and condition the DC power of each solar panel to a
panels fed to a central inverter.
Each solution has its unique advantages over the other for your particular solar system
What's better for my application? SolarEdge, Enphase or a traditional string inverter?
SolarEdge offers the most efficient solar system solution using power optimizers with a very low
rate. They are significantly less expense to install than Enphase micro-inverters and do not require
expensive proprietary branch circuit cables. SolarEdge uses a web-based monitoring system that has
proven to be simple, reliable and very comprehensive.
Enphase solar systems tend to be more scalable. Since Enphase systems use one microinverter per solar
panel, one can theoretically design a system as small as one solar panel! A DIY homeowner may decide
start with a small system and grow as time and budget allow.
The largest Enphase micro inverter available to today is the Enphase
M250 250 watt unit. This may not be ideal or compatible with the higher efficiency 290-300
solar modules that are becoming more common on the market such as Silevo Triex solar panels U290-U300. The Enphase
utilizes power line transmission for its Envoy monitoring
system which has some drawbacks.
A traditional string inverter may be the most economical choice. We can often offer a more efficient
inverter solution for a similar price, contact us for expert advice.
We are happy to assist you with your system design and address any questions or concerns you may have
with either type of inverter.
We provide complete grid-tie solar systems for any home using Solaredge inverters with compatible power optimizers.
Single-phase SolarEdge inverters typically used in residential solar projects include the: SE3000A-US,
SolarEdge Power Optimizer models include the OP250-LV, OP300-MV, OP400-MV and OP400-EV.
Commercial SolarEdge Optimizer Systems
We also carry a complete line of the new Solaredge three-phase commercial grade inverters for
scale grid-tie solar systems such as the SolarEdge
SE9KUS for 208 VAC and the SE10KUS
for 480 volt three-phase AC output. One SolarEdge OP600-HV power optimizer is commonly used per
solar PV modules in a commercial solar system design.
Residential Enphase Microinverter Solar Systems
Our Enphase solar systems designed for home use are flexible and designed to
your solar system project. Our systems include Enphase Envoy for PV module monitoring, branch
cables, solar modules, module grounding and mounting hardware, disconnects and all of the items
to install the entire Enphase microinverter system.