Solar Panels Penrith
Compare costs, check rebates, and get your free personalised solar score for Penrith in 60 seconds.
Get My Solar Score — Penrith ☀LAST UPDATED: MARCH 2026 · DATA: CLEAN ENERGY REGULATOR & STATE SOURCES
KEY TAKEAWAYS — PENRITH
• 6.6kW system: $3,900–$5,800 after rebates — saving $1,700–$2,300/year
• Peak sun hours: 4.8h/day — very good solar potential
• Electricity rate: 33c/kWh — every kWh of solar used directly saves this amount
• STC Zone 2: worth approximately $2,800 off a 6.6kW system
• Typical payback: 3–5 years, then 20+ years of free electricity
In This Guide
Solar in Penrith
Penrith and the foot of the Blue Mountains is one of the hottest parts of Greater Sydney, which means bigger electricity bills from air conditioning — and bigger solar savings. The area gets some of the best sun hours in the Sydney basin. Newer housing estates in Oran Park, Jordan Springs, and Glenmore Park have excellent roof profiles for solar.
💡 Local Tip
Penrith regularly records Sydney's highest temperatures. If you're running ducted A/C, a 10kW system with a battery can slash your summer bills dramatically — the peak solar generation aligns perfectly with peak cooling demand.
With an average system cost of $3,900–$5,800 for a 6.6kW installation after federal rebates, Penrith 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 NSW, read our NSW rebate guide.
What Does Solar Cost in Penrith?
Prices shown are after federal STC rebates (Zone 2). Actual costs vary by installer, panel brand, and roof complexity.
| System Size | Panels | Daily Output | Cost After STCs | Annual Savings | Payback |
|---|---|---|---|---|---|
| 5kW | 12–14 | 20–22 kWh | $4,000–$5,250 | $1,086–$1,330 | 3–5 yrs |
| 6.6kW | 15–18 | 26–29 kWh | $3,900–$5,800 | $1,700–$2,300 | 3–4 yrs |
| 10kW | 24–28 | 39–44 kWh | $5,600–$9,000 | $2,500–$3,400 | 3–5 yrs |
| 13kW | 30–36 | 51–57 kWh | $7,800–$13,650 | $2,568–$3,169 | 3–5 yrs |
Adding a home battery to your Penrith solar system increases self-consumption from ~35% to ~70%, reducing your reliance on grid electricity during expensive evening hours. At current NSW feed-in rates of 5.5c/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 Penrith
FEDERAL STCs (Zone 2)
Small-scale Technology Certificates are applied as a point-of-sale discount. Zone 2 (high value) — worth approximately $2,800 on a 6.6kW system.
STATE: NSW
Peak Demand Reduction Scheme. No direct rebate but interest-free loans available through Empowering Homes.
What Size Solar System for Penrith?
A quick rule: divide your quarterly electricity bill by $100 to get your ideal system size in kW. The most popular system size in Penrith is 8kW, 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.
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Get My Solar Score ☀Is Solar Worth It in Penrith?
In short, yes. Solar energy in Penrith is one of the best home investments available. With electricity rates at 33c/kWh and an average quarterly bill of $500, the average Penrith household spends roughly $2,000/year on power. A 6.6kW solar system costing $3,900–$5,800 typically saves $1,700–$2,300 in the first year alone.
3–5 yrs
PAYBACK PERIOD
$425,057,500+
25-YEAR SAVINGS
44%+
ANNUAL RETURN
With electricity prices rising 4–6% annually across NSW, these savings increase every year. A $6,000 solar panel installation in Penrith 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.
Penrith Feed-in Tariffs
The current feed-in tariff in NSW is approximately 5.5c/kWh for excess solar exported to the grid. This rate is applied to any surplus electricity your panels generate beyond what your home uses in real-time.
At current rates, a 6.6kW system in Penrith exporting around 60–70% of generation would earn approximately $413/year in feed-in credits. The real savings come from self-consumption — every kWh you use directly saves 33c versus the 5.5c you'd earn exporting it.
Best Solar Panels for Penrith
The best solar panels for Penrith depend on your budget, roof space, and priorities. Penrith gets very good sun at 4.8 hours daily, making it suitable for both premium and value panels.
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 Penrith 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 Penrith
Finding a reputable solar installer in Penrith (postcodes 2745–2770) is critical to getting a quality solar panel installation that lasts 25+ years. With a population of 220K, Penrith 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 Penrith — saving you the time of researching and calling around. Every installer in our network has been verified for quality, local experience, and customer satisfaction.
Solar Panels by Suburb — Penrith
Explore solar panel costs, local tips, and installer recommendations for specific suburbs across the Penrith metro area. Each suburb guide includes tailored advice for local roof types, shading conditions, and installation considerations.