Gridly
WA 6718 · Karratha
Solar Panel Installation in Whim Creek, WA
Find a vetted solar installer in Whim Creek. Compare quotes, check local solar data, and get a system designed for your roof.
Get Free Solar QuotesSolar Snapshot for Whim Creek
Key data for sizing a solar system in Whim Creek, WA 6718.
977
Population
5.8/day
Peak Sun Hours
11,178
Est. Annual Output (6.6 kW)
$1,576
Est. Annual Savings
3.4 yrs
Est. Payback (6.6 kW)
$2,808
STC Rebate (6.6 kW)
Zone 3
Dwelling Mix in Whim Creek
Breakdown of dwelling types based on census data — relevant for understanding rooftop solar potential.
Houses
67%
151 dwellings
Townhouses
30%
68 dwellings
Apartments
2%
4 dwellings
Whim Creek is predominantly freestanding houses, ideal for rooftop solar installation.
Solar Adoption in Whim Creek 6718
Installation data from the Clean Energy Regulator, current to May 2026.
63
Solar Systems Installed
Since 2001
15.3 kW
Avg System Size
1.0 MW
Total Installed Capacity
2
Battery Systems
Whim Creek (6718) has 63 registered solar panel installations with a combined capacity of 1.0 MW. The average system size in this postcode is 15.3 kW. That's roughly 9% of dwellings with rooftop solar.
Installations fell 58% in 2025 compared to 2024's 12 systems.
Is Solar Worth It in Whim Creek?
Whim Creek gets 5.8 peak sun hours per day — above the national average. A 6.6 kW system here would produce roughly 11,178 kWh per year, saving an estimated $1,576 annually and paying itself off in 3.4 years.
At $5,392 after rebates, the upfront cost represents 10% of Whim Creek's median household income ($55,848/year). Most households finance this over 3–5 years, with loan repayments typically offset by immediate savings.
Around 9% of dwellings in Whim Creek have solar, below the Western Australia average of 36%. This means there's significant room for more installations — and early adopters tend to benefit most from current rebate levels before they taper off.
With a payback under 4 years and 20+ years of remaining system life, solar in Whim Creek is one of the stronger return-on-investment cases in Western Australia. The question isn’t really whether solar is worth it here — it’s what size system to get.
Why Install Solar in Whim Creek?
With 5.8 peak sun hours per day, Whim Creek receives above-average solar irradiance for Australia. A standard 6.6 kW rooftop system here can generate approximately 11,178 kWh per year, saving an estimated $1,576 annually on electricity bills.
Whim Creek has a population of 977 across 710 dwellings. Western Australia's solar-friendly climate combined with electricity rates around 31c/kWh makes solar a strong choice for WA households.
The median household income in Whim Creek is $55,848 per year. At $5,392 after rebates, a 6.6 kW system represents 10% of annual household income, with savings that continue for 20+ years after the 3.4-year payback.
Estimated Solar Output & Payback in Whim Creek
Based on 5.8 peak sun hours/day, 31c/kWh electricity, and STC Zone 3 rebate.
| System Size | Annual Output | Annual Savings | Cost After Rebate | Payback |
|---|---|---|---|---|
| 5 kW | 8,468 kWh | $1,194 | $4,355 $2,145 STC rebate | 3.6 yrs |
| 6.6 kW Most popular | 11,178 kWh | $1,576 | $5,392 $2,808 STC rebate | 3.4 yrs |
| 10 kW | 16,936 kWh | $2,388 | $7,210 $4,290 STC rebate | 3 yrs |
| 13 kW | 22,017 kWh | $3,104 | $8,923 $5,577 STC rebate | 2.9 yrs |
Estimates assume 80% system efficiency, 35% self-consumption rate, 5c/kWh feed-in tariff, and STC Zone 3 ($39/STC, 8-year deeming period). Actual results vary based on roof orientation, shading, and usage patterns.
Solar Rebates in Western Australia
Available incentives that reduce the cost of solar installation in WA.
STCs provide an upfront discount of $2,500 to $4,000 depending on system size.
Synergy and Horizon Power offer time-of-use tariffs that improve solar self-consumption economics.
Popular Solar Panels
Top-rated panels available for installation in Whim Creek.
Solahart Silhouette Series
455W, 22.8% efficiency
$165
Solahart SunCell Series
440W, 22% efficiency
$140
Canadian Solar TOPHiKu 6
440W, 22.5% efficiency
$130
Trina Solar Vertex S+
440W, 22% efficiency
$120
How Solar Installation Works
Site Assessment and Quote
An installer visits your property, assesses your roof, checks shading, and provides a detailed quote based on your energy usage.
System Design and Approval
Your system is designed to maximise output. Council approval may be needed for heritage properties, but most residential installs are exempt.
Installation
A residential solar installation typically takes one day. The team mounts panels, installs the inverter, and connects the wiring.
Grid Connection and Meter
Your installer lodges paperwork with your distributor. Once approved, your meter is upgraded to a bi-directional meter and you start exporting.
Frequently Asked Questions
How many peak sun hours does Whim Creek get? ▼
Whim Creek receives approximately 5.8 peak sun hours per day, based on its subtropical climate zone. This means a standard 6.6 kW system can generate around 11,178 kWh annually.
What size solar system do I need in Whim Creek? ▼
The right system size depends on your electricity usage. Average household consumption in Western Australia is 17 to 21 kWh per day. A 6.6 kW system suits most homes, while larger households or those with pools or EV chargers may benefit from a 10 kW or 13 kW system.
How much does solar installation cost in Whim Creek? ▼
A 6.6 kW solar system in Whim Creek costs approximately $8,200 before rebates. Whim Creek is in STC Zone 3, which provides a rebate of $2,808 on a 6.6 kW system. After rebates, expect to pay around $5,392.
What is the payback period for solar in Whim Creek? ▼
A 6.6 kW solar system in Whim Creek has an estimated payback period of 3.4 years, based on 5.8 peak sun hours per day and annual savings of $1,576. After the payback period, the system continues generating free electricity for its remaining 20+ year lifespan.
Do I need council approval for solar in Whim Creek? ▼
In Western Australia, most residential solar installations are considered exempt development. Heritage-listed properties or certain zones in Karratha may require approval. Your installer will confirm during the site assessment.
How Whim Creek Compares to Nearby Suburbs
Solar potential compared with neighbouring suburbs in the Karratha area.
| Suburb | Sun Hours | 6.6 kW Output | Payback | Solar Adoption |
|---|---|---|---|---|
| Whim Creek 6718 | 5.8h | 11,178 kWh | 3.4 yrs | 9% |
| Eighty Mile Beach 6721 | 5.8h | 11,178 kWh | 3.4 yrs | 7% |
| Karratha 6714 | 5.8h | 11,178 kWh | 3.4 yrs | 8% |
| Mardie 6714 | 5.8h | 11,178 kWh | 3.4 yrs | 8% |
| Pardoo 6721 | 5.8h | 11,178 kWh | 3.4 yrs | 7% |
All estimates assume a 6.6 kW system. Sun hours, output, and payback are based on the same methodology. Solar adoption shows CER-registered installations as a percentage of dwellings.
Nearby Suburbs
Solar installers in suburbs near Whim Creek.
Related Products
Solar output estimates use Bureau of Meteorology irradiance data and assume north-facing panels with no shading. Population and dwelling data: ABS 2021 Census. Electricity rates are state averages and may differ from your retailer's pricing. Get a personalised quote for accurate savings.