• Home
  • -
  • How Much Does a Solar Panel System Cost in 2018?

Last Updated undefined NaN, NaN

How Much Does a Solar Panel System Cost in 2018?



There are two costs that go into a residential solar system:

1. The cost of solar equipment itself

2. The labor and expertise cost of having the solar installer go on the roof and install the system. For homeowners looking for an installer, see our article on what you should know and what questions to ask.


Since each installer has their own pricing structure, we’re going to focus solely on the cost of the equipment here.



The Total Equipment Cost for a 9kW System (3 Examples):


While each residential solar system is different (and trust me they vary) and the cost varies based on size, a common system size that we sell is around 9kW, so I’ll base the calculation on that. If you're wondering what size system you need, we have an easy step by step guide here.


The next factor is the equipment itself. As a solar distributor, our focus at RENVU is to sell high-quality equipment at good prices, thus that’s the equipment I will use in our comparison. I used the Solar Kit Guide to put together these quotes, and you can use it as well to see how much your system will cost.



System 1:

✓ Qty 29 Peimar 310W 60 Cell Mono solar panels

✓ UNIRAC Light Rail comp. Shingle, tilted roof

✓ Enphase IQ7 micro inverters

✓ Cables, Connectors, and Wire Clips

✓ Disconnect

✓ Labels

✓ Tools


Total cost: $11,288.58 ($1.25/W)



System 2:

✓ Qty 25 Solaria 355W 60 Cell Mono solar panels (AC module)

✓ UNIRAC Light Rail comp. Shingle, tilted roof

✓ Enphase IQ7+ micro inverters (in the AC modules)

✓ Cables, Connectors, and Wire Clips

✓ Disconnect

✓ Labels

✓ Tools


Total cost: $14,041.20 ($1.58/W)



System 3:

✓ Qty 29 Peimar 310W 60 Cell Mono solar panels

✓ UNIRAC Light Rail comp. Shingle, tilted roof

SOLAREDGE SE7600H-US HD-Wave Single Phase Inverter 7.6kW

✓ Cables, Connectors, and Wire Clips

✓ Disconnect

✓ Labels

✓ Tools


Total cost: $10,804.15 ($1.20/W)



This is just three examples. Maybe your system is 6kW or perhaps it’s 22kW. You can try out what your system comes up to cost-wise using the Solar Kit Guide, and compare different products. It takes about 5 minutes to get a quote!

Learn