Residential (Rooftop)
Solar System
What is Rooftop Solar System?
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A photovoltaic (PV) system with electricity-generating solar panels put on the roof of a residential residence or building is referred to as a rooftop solar panel system, sometimes known as a rooftop PV system. -
The many parts of such a system include photovoltaic modules, mounting systems, wires, solar inverters, and other electrical accessories. Rooftop mounted solar photovoltaic[pv] power plants are a form of distributed generation since they are small in comparison to utility-scale solar ground-mounted photovoltaic power plants with capacities in the megawatt range. -
The bulk of rooftop PV installations are grid-connected solar power systems. Residential buildings often have rooftop PV systems with capacities between 6 and 20 kilowatts (kW).
Benefits of Residential [Rooftop] Solar Panel System in Australia
1. Offsetting your electricity usage
The main way solar can lower your energy bills is by reducing how much electricity you need to purchase from your electricity vendor, which normally charges between 20 and 40 cents per kWh. The intelligence built into solar systems instructs your appliances to use solar electricity before “purchasing” energy from the grid. Your solar energy is being “self-consumed” in this case.
2. Feed-in-tariff for surplus energy
The system’s excess energy can be sold back to your energy retailer at a price known as a feed in tariff. These rates are fixed in WA and NT, but are left up to your energy retailer in other jurisdictions. what rate they offer you – view our comparison table here. In Victoria there is a mandatory minimum of 10.2c per kWh. Generally speaking, your feed in tariff rate is always lower than the rate your buying power.
3. An increase in property value
Installing solar power systems might raise the value of your home if you’re planning to sell. According to polls, the majority of Australians believe that solar panels increase the value of a property, and estimates indicate that a 5kW solar panel installation might increase a home’s value by about $29,000. That investment is wise.
4. Low cost of maintenance
In general, solar power systems don’t need much upkeep. They merely need to be kept somewhat clean; a few times a year of cleaning will do. After paying for the solar system’s original cost, you may anticipate spending very little on upkeep and repairs. An yearly examination with a certified inspector typically costs about $150
RESIDENTIAL SOLAR SYSTEM
Start your Energy Saving with Popular 6.6 kW, 10kW & 13kW Rooftop Solar Plants
6.6 KW SOLAR SYSTEM
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Just Right for Family Homes -
Save up to $2200 p.a on electricity* -
Tier 1 Solar Module -
5 KW Power Inverter -
16- 415 W Tier 1 Panels -
High Efficiency Solar Module -
On-Grid & Hybrid Systems
10 KW SOLAR SYSTEM
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Just Right for Large Homes or Buildings -
Save up to $3200 p.a on electricity* -
Tier 1 Solar Module -
8 KW Power Inverter -
24- 415W Tier 1 Panels -
High Efficiency Solar Module -
On-Grid & Hybrid Systems
13 KW SOLAR SYSTEM
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Just Right for Large Homes or Buildings -
Save up to $3200 p.a on electricity* -
Tier 1 Solar Module -
10 KW Power Inverter -
31- 415 W Tier 1 Panels -
High Efficiency Solar Module -
On-Grid & Hybrid Systems
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What is the average cost of solar in Australia?
For those interested in knowing how much solar energy costs in Australia, the table below includes the solar price index and the current state-by-state upfront STC rebate amounts provided by the federal government, but it does not include any additional state incentives like the Victorian Rebate Scheme.
| 3kW | 4kW | 5kW | 6kW | 7kW | 10kW | |
|---|---|---|---|---|---|---|
| Adelaide, SA | $3,920 | $4,570 | $4,800 | $4,730 | $5,790 | $9,140 |
| Brisbane, QLD | $3,740 | $4,290 | $4,980 | $5,590 | $6,950 | $8,710 |
| Canberra, ACT | $4,580 | $5,100 | $4,990 | $5,470 | $6,260 | $8,480 |
| Darwin, NT | $5,570 | $6,940 | $7,810 | $9,040 | $10,020 | $14,090 |
| Hobart, TAS | $4,880 | $5,440 | $6,130 | $7,050 | $7,500 | $10,880 |
| Melbourne, VIC | $3,920 | $4,200 | $4,820 | $5,350 | $6,290 | $8,590 |
| Sydney, NSW | $3,910 | $4,510 | $4,950 | $5,420 | $6,480 | $8,690 |
| Perth, WA | $3,130 | $3,530 | $4,200 | $4,900 | $6,030 | $9,160 |
| All |
$4,210 |
$4,820 |
$5,340 |
$5,940 |
$6,920 |
$9,720 |
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What is Payback Periods for Rooftop Solar Panel System in 2022
To estimate your solar system’s payback time With a 6.6kW solar PV system and an average daily usage of 25 kWh, we have generated the table below as a fast reference using some conservative assumptions:
| Average price for 6.6kW solar system | Average price for 6.6kW solar system | Solar feed-in tariff ($/kWh) | Payback period(Years) | Internal rate of return | |
|---|---|---|---|---|---|
| Adelaide | $4,990 | $0.31 | $0.10 | 2.5 | 40% |
| Brisbane | $5,240 | $0.16 | $0.05 | 5 | 20% |
| Canberra | $5,030 | $0.20 | $0.10 | 3.6 | 28% |
| Darwin | $8,970 | $0.26 | $0.08 | 5 | 20% |
| Hobart | $7,120 | $0.27 | $0.09 | 4.5 | 23% |
| Melbourne | $5,100 | $0.25 | $0.07 | 3.5 | 29% |
| Perth | $4,630 | $0.29 | $0.05 | 2.7 | 38% |
| Sydney | $5,360 | $0.21 | $0.05 | 4.3 | 24% |
Assumptions:
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Electricity rates & feed in tariffs based on middle ground of what’s available -
Assumed that 50% of Solar Energy is used by the home -
Panels are tilted to the North at 30% pitch -
Inflation at 2.5% and a 5% discount rate
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