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Solar Grid Tie Inverters

Like all inverters, a grid-tie or grid-interactive inverter converts the direct current (DC) power from your renewable energy source into the alternating current (AC) used in homes and businesses. These inverters are intended specifically for grid-tied applications where they will be tied into the utility grid.

While it is possible to completely eliminate your utility bill with a grid-tie system, many homeowners use grid-tie systems to supplement their usage by using a combination of both their utility grid and their solar array (ie. 70% solar, 30% utility grid). A grid-tie system can also offset 100% of your energy needs.

One of the major benefits of a grid-tie system is net metering, where unused energy is fed back into the utility grid. When no power is being generated by the renewable energy system, the home's power is drawn from the utility grid. The energy the homeowner pays for is the difference between the power drawn from the grid and the power fed into the grid. Most grid-tie inverters cannot be used independently of the utility grid.

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SolarEdge SE5000A-US-U > 5000 Watt 208/240 Volt AC Single Phase Grid-Tie Inverter SolarEdge SE3800A-US-U > 3800 Watt 240 Volt AC Single Phase Grid-Tie Inverter SolarEdge SE3000A-US-U > 3000 Watt 240 Volt AC Single Phase Grid-Tie Inverter
Our Price: $1,246.88
Our Price: $1,174.23
Our Price: $1,124.72
SolarEdge SE5000A-US-U > 5000 Watt 208/240/277 Volt AC Single Phase Grid-Tie Inverter SolarEdge SE3800A-US-U > 3800 Watt 240 Volt AC Single Phase Grid-Tie Inverter SolarEdge SE3000A-US-U > 3000 Watt 240 Volt AC Single Phase Grid-Tie Inverter
SolarEdge
5000 Watt 208/240/277 Volt AC
Single Phase Grid-Tie Inverter
SolarEdge
3800 Watt 240 VAC Grid-Tie Inverter
SolarEdge SE3800A-US-U
SolarEdge
3000 Watt
Single Phase Grid-Tie Inverter
Fronius Primo 5.0-1 > 5000 W Single Phase Grid-Tie Inverter SMA Sunny Connection Unit 1000-US > SMA Tripower DC Connecton Unit SMA Sunny TriPower 12000TL-US > 12250 Watt Grid Tie Inverter with installed SWDM-US-10
Our Price: $1,895.78
Our Price: $473.00
Our Price: $4,030.18
Fronius Primo 5.0-1 - 5000 W Single Phase Grid-Tie Inverter SMA Sunny Tripower DC Connecton Unit - SMA 1000-US SMA Sunny TriPower 12250 Watt Grid Tie Inverter - SMA Sunny TriPower 12000TL-US
Fronius
5000 W
Grid-Tie Inverter
SMA Sunny Tripower DC Connecton Unit
SMA 1000-US
SMA
Sunny TriPower
12250 Watt Grid Tie Inverter
SMA Sunny TriPower 15000TL-US > 15300 Watt Grid Tie Inverter with installed SWDM-US-10 SMA Sunny TriPower 20000TL-US > 20400 Watt Grid Tie Inverter with installed SWDM-US-10 SMA Sunny TriPower 24000TL-US > 24500 Watt Grid Tie Inverter with installed SWDM-US-10
Our Price: $4,318.25
Our Price: $4,441.00
Our Price: $5,030.75
SMA Sunny TriPower 15300 Watt Grid Tie Inverter - SMA Sunny TriPower 15000TL-US SMA Sunny TriPower 20400 Watt Grid Tie Inverter - SMA Sunny TriPower 20000-US SMA Sunny 24500 Watt Grid Tie Inverter - SMA Sunny TriPower 24000TL-US
SMA
Sunny TriPower
15300 Watt Grid Tie Inverter
SMA
Sunny TriPower
20400 Watt Grid Tie Inverter
SMA
Sunny TriPower
24500 Watt Grid Tie Inverter
ABB Power-One MICRO-0.3HV-I-OUTD-US > 208/240 PV Aurora Micro Inverter - 300W AC, 75Voc, IMPPT Fronius Primo 15.0-1 > 15 kW 240/208 VAC Single Phase Grid-Tie Inverter Fronius Primo 11.4-1 > 11,400 W 240/208 VAC Single Phase Grid-Tie Inverter
Our Price: $207.00
Our Price: $4,301.14
Our Price: $3,517.24
ABB Power-One 208/240 PV Aurora Micro Inverter - 300W AC, 75Voc, IMPPT - MICRO-0.3HV-I-OUTD-US Fronius Primo 15.0-1 > 15 kW 240/208 VAC Single Phase Grid-Tie Inverter Fronius Primo 11.4-1 > 11,400 W 240/208 VAC Single Phase Grid-Tie Inverter
Power-One
300 Watt
Micro Inverter
Fronius
15 kW
Grid-Tie Inverter
Fronius
11,400 W
Grid-Tie Inverter
Fronius Primo 12.5-1 > 12,500 W 240/208 VAC Single Phase Grid-Tie Inverter Fronius Primo 10.0-1 > 10 kW 240/208 VAC Single Phase Grid-Tie Inverter SolarEdge SE3000A-US000NNR2 > 3kW 240 Volt AC Single Phase Grid-Tie Inverter with Revenue Grade Meter
Our Price: $3,725.21
Our Price: $3,080.00
Our Price: $1,756.35
Fronius Primo 12.5-1 > 12,500 W 240/208 VAC Single Phase Grid-Tie Inverter Fronius Primo 10.0-1 > 10 kW 240/208 VAC Single Phase Grid-Tie Inverter SolarEdge SE3000A-US000NNR2 > 3000 Watt 240 Volt AC Single Phase Grid-Tie Inverter with Revenue Grade Meter
Fronius
12,500 W
Grid-Tie Inverter
Fronius
10 kW
Grid-Tie Inverter
SolarEdge
3000 Watt Single Phase Grid-Tie Inverter
with Revenue Grade Meter
SolarEdge SE3800A-US000NNR2 > 3.8kW 240 Volt AC Single Phase Grid-Tie Inverter with Revenue Grade Meter SolarEdge SE5000A-US000NNR2 > 5kW 240 Volt AC Single Phase Grid-Tie Inverter with Revenue Grade Meter SolarEdge SE6000A-US000NNR2 > 6kW 240 Volt AC Single Phase Grid-Tie Inverter with Revenue Grade Meter
Our Price: $1,785.79
Our Price: $1,881.65
Our Price: $1,833.12
SolarEdge SE3800A-US000NNR2 > 3800 Watt 240 Volt AC Single Phase Grid-Tie Inverter with Revenue Grade Meter SolarEdge SE5000A-US000NNR2 > 5000 Watt 240 Volt AC Single Phase Grid-Tie Inverter with Revenue Grade Meter SolarEdge SE6000A-US000NNR2 > 6000 Watt 240 Volt AC Single Phase Grid-Tie Inverter with Revenue Grade Meter
SolarEdge
3800 Watt Single Phase Grid-Tie Inverter
with Revenue Grade Meter
SolarEdge
5000 Watt Single Phase Grid-Tie Inverter
with Revenue Grade Meter
SolarEdge
6000 Watt Single Phase Grid-Tie Inverter
with Revenue Grade Meter
SolarEdge SE7600A-US002NNR2 > 7.6kW 240 Volt AC Single Phase Grid-Tie Inverter with Revenue Grade Meter SolarEdge SE10000A-US000NNR2 > 10kW 240 Volt AC Single Phase Grid-Tie Inverter with Revenue Grade Meter SolarEdge SE11400A-US000NNR2 > 11.4kW 240 Volt AC Single Phase Grid-Tie Inverter with Revenue Grade Meter
Our Price: $2,011.49
Our Price: $2,678.10
Our Price: $2,637.56
SolarEdge SE7600A-US002NNR2 > 7.6kW 240 Volt AC Single Phase Grid-Tie Inverter with Revenue Grade Meter SolarEdge SE10000A-US000NNR2 > 10kW 240 Volt AC Single Phase Grid-Tie Inverter with Revenue Grade Meter SolarEdge SE11400A-US000NNR2 > 11.4kW 240 Volt AC Single Phase Grid-Tie Inverter with Revenue Grade Meter
SolarEdge
7600 Watt Single Phase Grid-Tie Inverter
with Revenue Grade Meter
SolarEdge
10,000 Watt Single Phase Grid-Tie Inverter
with Revenue Grade Meter
SolarEdge
11,400 Watt Single Phase Grid-Tie Inverter
with Revenue Grade Meter
Fronius Symo Lite 10.0-3 208/240 > 10kW VA 208/240 Grid-Tie 3-Phase Inverter for Commercial Applications Fronius Symo Lite 10.0-3 480 > 10kW VA 480 Grid-Tie 3-Phase Inverter for Commercial Applications Fronius Symo Lite 12.0-3 208-240 > 12kW VA Grid-Tie Inverter
Our Price: $3,099.00
Our Price: $3,099.00
Our Price: $3,278.75
Fronius Symo Lite 10.0-3 208/240 > 10kW VA 208/240 Grid-Tie 3-Phase Inverter for Commercial Applications Fronius Symo Lite 10.0-3 480 > 10kW VA 480 Grid-Tie 3-Phase Inverter for Commercial Applications Fronius Symo Lite 12.0-3 208-240 > 12kW VA Grid-Tie Inverter
Fronius Symo Lite
10kW VA
208/240
Grid-Tie 3-Phase Inverter
for Commercial Applications
Fronius Symo Lite
10kW VA 480
Grid-Tie 3-Phase Inverter
for Commercial Applications
Fronius Symo Lite
12kW VA
Grid-Tie Inverter
ABB UNO-8.6-TL-OUTD-S-US-A > 8600 Watt Transformerless Grid Tie Inverter ABB PVI-3.6-OUTD-S-US-A > 3.6 kW Single Phase Grid-Tie String Inverter ABB PVI-3.0-OUTD-S-US-A > 3.0 kW Single Phase Grid-Tie String Inverter
Our Price: $3,083.55
Our Price: $1,733.00
Our Price: $1,479.66
ABB UNO-8.6-TL-OUTD-S-US-A - 8600 Watt Inverter ABB - 3.6 kW Single Phase Grid-Tie String Inverter - ABB PVI-3.6-OUTD-S-US-A ABB - 3.0 kW Single Phase Grid-Tie String Inverter - ABB PVI-3.0-OUTD-S-US-A
ABB UNO
8600 Watt
Transformerless Inverter
ABB PVI
3600 Watt
Single Phase Grid-Tie String Inverter
ABB PVI
3000 Watt
Single Phase Grid-Tie String Inverter
ABB PVI-3.8-OUTD-S-US-A > 3.8 kW Single Phase Grid-Tie String Inverter ABB PVI-4.2-OUTD-S-US-A > 4.2 kW Single Phase Grid-Tie String Inverter ABB UNO-7.6-TL-OUTD-S-US-A > 7600 Watt Transformerless Grid Tie Inverter
Our Price: $1,674.72
Our Price: $1,784.48
Our Price: $2,777.00
 
ABB - 3.8 kW Single Phase Grid-Tie String Inverter - ABB PVI-3.8-OUTD-S-US-A ABB - 4.2 kW Single Phase Grid-Tie String Inverter - ABB PVI-4.2-OUTD-S-US-A ABB 7600 Watt Transformerless Grid Tie Inverter - ABB UNO-7.6-TL-OUTD-S-US-A
ABB PVI
3800 Watt
Single Phase Grid-Tie String Inverter
ABB PVI
4200 Watt
Single Phase Grid-Tie String Inverter
ABB UNO
7600 Watt
Transformerless Inverter
   
 
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What is a power inverter?

The basic function of a solar powered inverter is to convert the direct current to alternating current. Solar panels, and in fact almost all eco-friendly power sources such a wind turbines, generate “direct current”. But almost everything that makes up the fabric of civilization runs on alternating current. Current flows from a battery or solar cell in one direction, but an alternating current stream reverses direction 60 times each second. While this may seem wasteful, the detailed physics of the situation mean the alternating current can be sent over longer distances more efficiently that direct current. Don’t worry if the advantages of AC current do not seem obvious - even Thomas Edison was uncomfortable with alternating current! Suffice it to say that almost all the devices in your home; motors, appliances, televisions, use alternating current.

What is a grid tie power inverter?

Grid Tie Inverter

The main difference between a standard power inverter and a grid tie power inverter is that the latter also ensures that the power supplied will be in phase with grid power. This allows individuals with surplus power (wind, solar, etc) to sell the power back to the utility in the form of net metering or the arrangement your local utility offers.

On the AC side a grid tie inverter must supply electricity in sinusoidal form, synchronized to the frequency of the grid and limit the feed in voltage to no higher than the grid voltage. A grid tie inverter also must disconnect from the grid if the utility grid goes down (blackout). In the event of a blackout, the grid tie inverter will shut down to prevent potentially harming the line workers who are sent to fix the power grid. See wikipedia article on grid tie inverters.

On the DC side, the power output of a module varies as a function of the voltage in a way that power generation can be optimized by varying the system voltage to find the 'maximum power point'. Most inverters therefore incorporate 'maximum power point tracking' (MPPT).

How Solar Powered Inverters and Alternating Current work

The alternating current we usually need to get from our solar powered inverter needs to match the alternating current from our electrical utility. This current alternates because it is produced by rotating electrical generators. Current flows when a coil of wire passes thru a magnetic field. Generators are designed to pass coils of wire thru a magnetic field as they spin, so the current actually leaves, and then returns, to the power plant. As it happens, by using alternating current, the system can be designed for higher voltage and lower current, allowing more power to move thru the grid with less loss to heat.

Current is what causes energy to be wasted in power transmission thru wire. To reduce this ‘line drop’ loss, the voltage applied at the power plant which drives this current can be rather high. Along the way to your house, the voltage is ‘dropped’ in a series of transformers which can be thought of as big coils of wire, almost as a generator with no moving parts.

A solar powered inverter, like any inverter, converts steady direct current from a solar cell or battery to a smooth oscillating sine wave by switching the DC power on and off, very quickly. As a rough cut, switching the DC power 60 times a second creates what is called a ‘square’ wave. But if we subtract out power switched 180 times a second we can ‘round the corners’ of the square’ a bit. And by further switching in power at 300 and out at 420 times a second an inverter can approach a smooth AC wave quite closely. Some electrical components (capacitors and inductors) used on the AC Side of the inverter can store and discharge a bit of power as the many square waves pass, further smoothing out the stack of square waves and approximate regular AC Power.

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