Solar Panels Bunbury
Compare costs, check rebates, and get your free personalised solar score for Bunbury in 60 seconds.
Get My Solar Score — Bunbury ☀LAST UPDATED: MARCH 2026 · DATA: CLEAN ENERGY REGULATOR & STATE SOURCES
KEY TAKEAWAYS — BUNBURY
• 6.6kW system: $3,800–$5,800 after rebates — saving $1,500–$2,000/year
• Peak sun hours: 5.2h/day — excellent solar potential
• Electricity rate: 33c/kWh — every kWh of solar used directly saves this amount
• STC Zone 1: worth approximately $3,200 off a 6.6kW system
• Typical payback: 3–5 years, then 20+ years of free electricity
In This Guide
Solar in Bunbury
Bunbury and the South-West region gets excellent sun with slightly more winter rainfall than Perth. The area has a growing solar market, though fewer installers means prices can be marginally higher than in Perth metro. The local council has been supportive of renewable energy, with several community solar initiatives.
💡 Local Tip
Fewer installers service Bunbury compared to Perth metro, so getting 3 quotes is especially important to ensure competitive pricing. Some Perth-based installers do travel south — don't limit yourself to local-only options.
With an average system cost of $3,800–$5,800 for a 6.6kW installation after federal rebates, Bunbury homeowners typically recoup their investment within 3–5 years. For a detailed breakdown of pricing factors, see our national solar cost guide. To understand all the rebates available in WA, read our WA rebate guide.
What Does Solar Cost in Bunbury?
Prices shown are after federal STC rebates (Zone 1). Actual costs vary by installer, panel brand, and roof complexity.
| System Size | Panels | Daily Output | Cost After STCs | Annual Savings | Payback |
|---|---|---|---|---|---|
| 5kW | 12–14 | 21–24 kWh | $4,000–$5,250 | $1,025–$1,283 | 3–5 yrs |
| 6.6kW | 15–18 | 28–32 kWh | $3,800–$5,800 | $1,500–$2,000 | 3–4 yrs |
| 10kW | 24–28 | 43–48 kWh | $5,600–$8,800 | $2,200–$2,900 | 3–5 yrs |
| 13kW | 30–36 | 55–62 kWh | $7,800–$13,650 | $2,357–$2,991 | 3–5 yrs |
Adding a home battery to your Bunbury solar system increases self-consumption from ~35% to ~70%, reducing your reliance on grid electricity during expensive evening hours. At current WA feed-in rates of 2.5c/kWh — among the lowest in Australia — a battery's value proposition is strong, storing excess solar for evening use saves significantly more than exporting it. See our battery guide for costs and payback analysis. Your inverter choice also matters — read our inverter guide to understand your options.
Solar Rebates in Bunbury
FEDERAL STCs (Zone 1)
Small-scale Technology Certificates are applied as a point-of-sale discount. Zone 1 (highest value) — worth approximately $3,200 on a 6.6kW system.
STATE: WA
DEBS feed-in scheme with time-varying buyback rates. No direct panel rebate.
What Size Solar System for Bunbury?
A quick rule: divide your quarterly electricity bill by $100 to get your ideal system size in kW. The most popular system size in Bunbury is 6.6kW, which suits the average household using 15–25 kWh per day.
Not sure which size is right? Our system sizes comparison guide breaks down the pros and cons of each option with detailed cost and savings projections. For a personalised recommendation based on your actual bill, try our free solar score calculator.
Ready to see what solar can save you in Bunbury?
Free · 60 seconds · No phone calls
Get My Solar Score ☀Is Solar Worth It in Bunbury?
In short, yes. Solar energy in Bunbury is one of the best home investments available. With electricity rates at 33c/kWh and an average quarterly bill of $413, the average Bunbury household spends roughly $1,650/year on power. A 6.6kW solar system costing $3,800–$5,800 typically saves $1,500–$2,000 in the first year alone.
3–5 yrs
PAYBACK PERIOD
$375,050,000+
25-YEAR SAVINGS
39%+
ANNUAL RETURN
With electricity prices rising 4–6% annually across WA, these savings increase every year. A $6,000 solar panel installation in Bunbury that saves $1,800/year represents a 30%+ annual return — comfortably outperforming term deposits, shares, and most investment properties. Plus, solar panels add 3–4% to your property value according to Australian research, making it a strong financial decision even if you plan to sell.
Bunbury Feed-in Tariffs
The current feed-in tariff in WA is approximately 2.5c/kWh for excess solar exported to the grid. With feed-in rates this low, maximising self-consumption (using solar during the day) is more valuable than exporting. A battery can help shift solar to evening use.
At current rates, a 6.6kW system in Bunbury exporting around 60–70% of generation would earn approximately $204/year in feed-in credits. The real savings come from self-consumption — every kWh you use directly saves 33c versus the 2.5c you'd earn exporting it.
Best Solar Panels for Bunbury
The best solar panels for Bunbury depend on your budget, roof space, and priorities. With 5.2 peak sun hours, Bunbury gets excellent irradiance — even mid-range panels perform well here.
Premium
SunPower, REC, LG
Highest efficiency (22%+), 25yr warranty
Mid-Range
Trina, Jinko, Canadian
Best value per watt, strong 15-25yr warranty
Budget
Risen, Longi, JA Solar
Lowest cost, 10-12yr warranty, CEC approved
All panels installed in Bunbury should be CEC-approved (Clean Energy Council) to qualify for STC rebates. For a full comparison of panel brands, efficiency ratings, and warranty details, see our best solar panels Australia 2026 guide. Your inverter choice is equally important — our inverter guide covers string, micro, and hybrid options.
Choosing a Solar Installer in Bunbury
Finding a reputable solar installer in Bunbury (postcodes 6230–6239) is critical to getting a quality solar panel installation that lasts 25+ years. With a population of 80K, Bunbury has a competitive local installer market — but quality varies significantly.
We recommend getting at least 3 quotes before committing. Our free solar score tool can connect you with up to 3 CEC-accredited, vetted solar installers in Bunbury — saving you the time of researching and calling around. Every installer in our network has been verified for quality, local experience, and customer satisfaction.