The price of a quality solar power system in Sydney is now so low, we are now able to design a solar system that can pay for itself in around 3 years… except on the smaller systems.
So you think a 2kW system is all you need for your power consumption? What if we were able to install a 3kW system for only a few hundred dollars more? This is now the reality for a 2kW system in Sydney. We can offer you 150% additional output, and in most cases, this will only cost about $300-400 more.
Why you shouldn’t install a 2kW solar system in Sydney
1. The larger the solar system, the larger the government incentive. On a 2kW system, the government rebate is currently around $1,200. On a 3kW system, the government rebate is around $1,950. This extra saving of over $700 helps offset most of the price difference between a 2kW and a 3kW system.
2. The main European manufacturers of solar power inverters don’t make a 2kW model. Both the Fronius Primo range and the SMA Sunny Boy range start at 3kWs. The only 2kW option is to use a Chinese brand or go to the top of the range using Enphase Micro Inverters.
3. You can’t split a 2kW system across different roof sections with a string inverter. You need a minimum of 6 or 7 panels in each direction to create enough voltage to run a solar inverter properly, so for a 2kW array, all panels must be facing the same direction. This may be an issue if you don’t have enough roof space to fit all of the panels in a row across one roof section. The way to get around this is to use the latest technology from Enphase, where each panel outputs power independently from the other panels.
4. If you have a crew of professionals out to your house (installing an inverter, running cables and setting up the mounting kit), you may as well get them to add a few more panels. There are always fixed costs involved in a solar installation, and so the larger the system, the cheaper it is per panel.
Of course, if you only have the roof space for 8 panels (1.7m x 1m), a 2kW system is still a great way to reduce your power bills, and the return on your money can be as fast as 4 to 5 years. This is as good as it has ever been.
==> All the information you need to know about a 2kW solar system: 2kW Solar System
==> More detailed information on the best size solar system is available here: how to size up a solar power system
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