The first thing most people do when they search for a 5kW solar system is to find out how much it costs.
There are various quality solar system products available on the market, so please be cautious before buying. -Don’t Buy A Cheap 5kW Solar System.
A good quality 5kW solar PV grid-tie system is very important for those who looking for easy-installation and free-maintenance.
How much will a 5kW system save me?
The amount you would save by installing a 5kW solar power system will vary depending on:
Your location: More sun, more power, you will get Greater savings
The amount you pay for power: Obviously the more you pay for power the more money a solar system saves you.
So although there is no one same answer for this question that will be true for everyone but we can calculate approximately and say the range of potential savings for a 5kW solar system would be from $800 to $1400 per year depending on your cost of power, different countries/areas savings will be different.
How many solar panels do I need for a 5kW system?
In the typical 5kW solar system, if each solar panel you choose is 290 watts of power—meaning you'll need like 18 solar panels in total and you will get a 5.22kW system.
If you use a higher wattage panel then there will be fewer panels in number, e.g., if you use a 350-watt panel then 16 panels would give you a 5.6kW system.
5kW Solar System Key Items
5kW Grid-tie PV System
Number of Panels
350W x 16panels, 365W x 14panels/18 x 290W Panels
Power of Inverter
e.g., 5KW (grid-tie inverter)
Around 20 kW/h a day (averaged out across the year)
Average Payback Period
3 to 5 years
Medium to large homes using on average around 20 kWh a day during the daytime (or extra electricity can be sent to the grid and get payback)
5kW Solar Systems---Solar Panels Part
Standard residential solar panels have been improving rapidly. Solar Panel now we offer 350/290Watt panels for the mono-crystalline type, and as technology improves we also will see high-efficiency panels for our customers. This means that for a 5kW Solar Installation, it typically includes 14 to 18 panels, either in series with a string inverter or as a 5kW Micro Inverter System powered by us.
350/290Watt Solar Panel Tech Specification
Max-power at ST(Pmax)
Power output tolerance
Voltage at Pmax (Vmp)
Current at Pmax (Imp)
Open-circuit voltage (Voc)
Short-circuit current (Isc)
STC: Irradiance 1000W/m2 Cell temperature 25℃ AM=1.5
Nominal operating cell temperature(NOCT)
Temperature coefficients of Pmax
Temperature coefficients of Voc
Temperature coefficients of Isc
Limiting reverse current
Operating temperature range
-40℃ to +85℃
Max. static load front (e.g., snow)
Max. static load back (e.g., wind)
Max. hailstone impact (diameter / velocity)
25mm / 23m/s
Monocrystalline silicon 156×156mm
Number of cells
3.2mm Low iron tempered glass
Back sheet (color)
Frame (material / color)
Anodized aluminum alloy frame / silver
Junction Box (protection degree)
0.9M/1M/1.2M / 4mm2
MC4 compatible / IP67
Module dimensions (L / W / H)
1956mm× 992mm× 40mm
1640mm× 992mm× 35mm
5kW Solar Systems---Inverter System
4200-5500MTL-S grid-tie PV inverter is an ideal solar system solution for private homes with a single phase system. This series of inverters max. efficiency up to 97.6%, 2MPPTs, compact design and wide working voltage range.
The Diagram of the 5KW Solar grid-tie PV System
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Q: How much power will a 5kW solar system produce?
A: Assuming an unshaded south facing array a 5kW solar system will produce between 14.5 and 23 kWh per day on average across the year depending on the location where the system is installed. Customers can check their local sunlight situation or contact us we will help check and calculate and show you how much power solar panels produce for specific location.
Q: How many square feet of roof space will I require to install a 5kW solar system?
A: Depending on the exact efficiency of the solar panels being used-about 66 square feet per kW generated of roof space, meaning a 5kW solar system will require approximately 330 square feet of home roof space to be suitable for the installation of solar panels.
Q: Is 5kW the right size of PV system for my home?
A: The answer to this question depends on your installation location and your power usage.