Watching your power meter spin out of control every time the Western Sydney heat hits? We install CEC-accredited solar power systems custom-engineered to survive the Nepean valley’s punishing 45-degree summer heatwaves and freezing winter mornings. No high-pressure sales tactics—just practical advice, Tier-1 hardware, and qualified local sparkies.

If you live anywhere around the foot of the Blue Mountains, you know firsthand that local electricity bills are hitting record highs. With Endeavour Energy ramping up peak network costs during those late afternoon blocks, cranking your ducted air conditioning on a scorching January day has turned into a massive financial stress.
Fortunately, the Penrith region gets hit with incredible, direct sunlight, averaging well over 4.5 peak sun hours daily.
Because we operate as local NSW solar installers, we build systems specifically tailored for the brutal inland climate. While coastal properties fight against salt-spray corrosion, Penrith’s main panel threat is extreme thermal cycling. Cheap, lower-grade solar panels lose up to 30% of their actual performance output the moment ambient temperatures cross 35°C due to poor temperature coefficients. We solve this by exclusively sourcing heavy-duty modules designed to maintain maximum power generation even when the summer sun is relentless.
Whether your home is an established brick property in Kingswood requiring a mandatory switchboard safety upgrade or a modern double-story Colorbond build in the newer estates of Jordan Springs or Caddens, our local team handles the entire layout flawlessly without risking roof leaks.
The intense inland summer climate means cutting corners on cheap, generic solar components will cost you more in long-term degradation. We only supply the best solar panels Penrith, focusing entirely on structural durability, high-temperature efficiency, and ironclad Australian warranty terms.
Our teams exclusively install Tier 1 solar panels from manufacturers we trust implicitly, including:
Jinko
REC
AIKO
Trina
During our initial face-to-face site check, we will map out the ideal panel configuration to match your exact roof orientation, local tree shading, and household budget.
We believe in transparent, upfront pricing. Because Penrith is located in Federal STC Zone 3, you are entitled to upfront government incentives. However, because the federal scheme phases out by 2030, the rebate reduces every year. In 2026, the incentive is based on a 5-year deeming period.
We claim this STC rebate on your behalf and deduct it directly from your upfront invoice. Here is a realistic guide to what our premium, Tier-1 systems cost fully installed in the Penrith area for 2026:
| System Size | Best Suited For | Actual 2026 Rebate (Zone 3) | Estimated Out-of-Pocket Cost |
| 6.6kW Solar System | Small-to-Medium Homes (1-3 People) | ~$1,710 (45 STCs) | $5,000 – $6,000 |
| 10kW Solar System | Large Homes, Pools, or EVs (4+ People) | ~$2,622 (69 STCs) | $7,500 – $9,000 |
| 13.2kW Solar System | Heavy AC Usage & Battery Ready | ~$3,458 (91 STCs) | $9,500 – $11,000 |
Note: Your final quote depends on your specific roof type (tile vs. tin), whether your older switchboard needs a safety upgrade, and if your home requires a multi-story safety scaffold.
We don’t just talk about savings; we actually deliver them to your neighbors.

Location: Glenmore Park, NSW
System Installed: 10kW Jinko Solar System + Sungrow Inverter
The Challenge:
This family was battling extremely high summer electricity bills due to constant air conditioning use during Penrith’s intense heatwaves. With two people working from home and growing daytime energy consumption, the household needed a system capable of offsetting significant daytime demand.
Our Solution:
We designed a high-efficiency 10kW solar system using premium Tier 1 panels selected specifically for strong high-temperature performance, ensuring maximum output even during Western Sydney’s hottest summer days.
Outcome:
The system now generates enough daytime energy to dramatically reduce grid reliance, helping the homeowners offset air conditioning costs while improving long-term energy independence.
As a trusted local solar company in Penrith, we do things differently. When you book a solar installation in Penrith with us, you aren’t dealing with pushy salesmen or offshore call centers.
We don’t outsource to unknown subcontractors. Your system is designed and installed exclusively by our own in-house CEC Accredited Installers. From the initial quote to the final grid connection, our dedicated solar installers in Penrith ensure your system is built to the highest Australian safety standards.
We make the entire solar installation process seamless:
Thorough Site Inspection: We physically inspect your roof condition and your switchboard. No hidden surprises or extra charges on installation day.
Council Compliance: Most residential roofs in the City of Penrith are classed as “Exempt Development.” If you live in a heritage overlay area, we know how to guide you through the council requirements.
Clean Installation: Our local team mounts, wires, and tests the system safely, treating your property with respect.
Endeavour Energy Grid Connection: We handle all the final electrical compliance paperwork and submit it directly to Endeavour Energy so your smart meter is updated and you can start exporting power.
Many Penrith homeowners experience some of the highest summer temperatures in the Sydney metropolitan area, making solar one of the most effective ways to offset daytime air conditioning costs. Our installation teams operate daily across the entire Nepean region. If you live in or around the following suburbs, we have you covered:
Penrith (CBD & Surrounds)
Emu Plains
Kingswood
St Marys
Glenmore Park
Cranebrook
South Penrith
Jamisontown
Leonay
Castlereagh
Not sure what size solar system is right for your home? Our local team can assess your roof, electricity usage and future energy goals to recommend the ideal solar solution.
Call: 1800 945 085
Email: info@tallyenergygroup.com.au
Speak with our Penrith team today to learn more about premium solar panels in Penrith and request your free quote.
How much do solar panels cost in Penrith?
The solar panel cost in Penrith varies depending on your roof type and energy needs, but standard out-of-pocket prices usually range from $5,000 for a standard 6.6kW system up to $11,000 for a premium 13.2kW setup. To give you an exact solar panels Penrith cost, we provide a free site inspection to check your switchboard and roof layout.
What size solar system do I need?
The right size depends entirely on your daily energy consumption. Generally, a 6.6kW Solar System is perfect for a smaller household (1-3 people). A 10kW Solar System is the ideal sweet spot for a typical family running ducted air conditioning. If you have heavy power usage, an EV, or want to add a battery, a 13.2kW system provides maximum generation.
Is a solar battery worth it in Penrith in 2026?
Absolutely, and right now is the best time to invest. With Endeavour Energy feed-in tariffs sitting low at around 4 to 6 cents per kWh, sending your excess power back to the grid doesn’t pay off. A solar battery lets you store that free daytime energy to run your home through the expensive evening peak rates. Better yet, eligible battery systems may qualify for government incentives that can significantly reduce upfront installation costs. Because incentive programs and rebate amounts can change over time, our team will explain the latest available incentives during your quote.
Will you check my switchboard before installing?
Absolutely. Many older homes throughout Penrith still have outdated electrical infrastructure that may not meet current solar requirements. We inspect your switchboard during the quoting process and will advise upfront if any upgrades are required to ensure compliance with Australian electrical safety standards.
For official accreditation information, homeowners can also visit the
Clean Energy Council.
Ready to crush your Endeavour Energy bills? Contact our local Penrith team today to arrange your free site inspection.