2026 Comparison
Infinite Energy vs Penrith Solar Centre
WA's leading solar installer versus Western Sydney's trusted local specialist. Regional solar experts compared on price, quality, and service.
Winner
Infinite Energy
Best overall blend of installed price, service footprint, and review strength.
Average Gap
$600
Difference in average installed pricing.
Market Range
$3,700 - $14,000
The combined low-to-high range across both providers.
Perth, WA · Est. 2013
From
$3,700
Average
$7,000
Coverage
8 areas
Best for: Perth and WA homeowners wanting a trusted local installer with proven expertise
Penrith, NSW · Est. 2016
From
$4,100
Average
$7,600
Coverage
8 areas
Best for: Western Sydney homeowners wanting top-quality local service and installation
Decision Criteria
Four high-signal checks to run before you accept either quote.
Price range
Infinite Energy has the lower average portfolio price, with typical systems running from $3700 at the entry level.
Coverage
Infinite Energy covers more service areas, which usually means better installation availability if you are outside a major metro.
Customer sentiment
Penrith Solar Centre carries the stronger headline rating, but check the review count before treating small rating gaps as decisive.
Best fit
Infinite Energy: Perth and WA homeowners wanting a trusted local installer with proven expertise. Penrith Solar Centre: Western Sydney homeowners wanting top-quality local service and installation.
Price Comparison
Side-by-side pricing for matching solar system sizes, including average installed prices and price differences.
| System Size | Infinite Energy | Penrith Solar Centre | Difference |
|---|---|---|---|
| 5kW System | $4400 | $4800 | -$400 |
| 6.6kW System | $5200 | $5600 | -$400 |
| 8kW System | $6500 | $7100 | -$600 |
| 10kW System | $8200 | $8900 | -$700 |
| 13kW System | $10700 | $11600 | -$900 |
Pros & Cons
Infinite Energy
WinnerPros
- ✓WA market leader with deep local expertise
- ✓Specialist knowledge of WA grid and Synergy requirements
- ✓Both residential and commercial installations
- ✓In-house design team for optimal roof layouts
- ✓Strong after-sales monitoring and maintenance packages
Cons
- ✗Primarily WA-focused — limited interstate availability
- ✗Wait times can extend to 4-6 weeks in summer
- ✗Commercial focus can mean residential jobs get lower priority
- ✗Premium pricing compared to smaller WA installers
Penrith Solar Centre
Pros
- ✓Exceptional Google reviews and word-of-mouth reputation
- ✓Personalised service with direct access to the installation team
- ✓Quality-focused with tier-1 panels and premium inverters
- ✓Thorough site assessments and custom system designs
- ✓Strong after-sales support with local warranty service
Cons
- ✗Limited service area — Western Sydney and surrounds only
- ✗Smaller team means longer wait times during peak periods
- ✗Not the cheapest option in the Western Sydney market
- ✗No commercial installations — residential only
Bottom Line
Winner: Infinite Energy
Infinite Energy dominates the WA market with competitive pricing and strong commercial solar expertise, while Penrith Solar Centre is the go-to in Western Sydney with excellent local knowledge and fast installation. Both offer CEC-accredited installations. Infinite Energy edges out on larger commercial systems; Penrith Solar Centre excels on residential installs in Greater Sydney.
Choose Infinite Energy if you're in WA — dominant local presence with the best pricing in the Perth market. Choose Penrith Solar Centre for Western Sydney residential installations — local expertise with fast turnaround and excellent customer service.
Comparison FAQ
Infinite Energy is approximately 8% cheaper on average across comparable system sizes. However, prices vary by system size — always compare the specific size you need.
Infinite Energy offers 5 system sizes (up to 13kW System), while Penrith Solar Centre offers 5 system sizes (up to 13kW System).
Choose Infinite Energy if you're in WA — dominant local presence with the best pricing in the Perth market. Choose Penrith Solar Centre for Western Sydney residential installations — local expertise with fast turnaround and excellent customer service.