St Clair NSW 2759 · Western Sydney
St Clair Solar Installers for Panels and Home Batteries
Solar and battery systems for St Clair 2759's established family homes, installed by our SAA-accredited team from 8km away in Mount Druitt.
Local solar installers for St Clair 2759 · Rebate figures updated November 2026
- 4.9★Google rating
- SAAAccredited installers
- 10 yrWorkmanship warranty
- $0Travel fee
Solar Panels in St Clair: What Local Homes Need
St Clair stayed largely rural until the 1970s, and most of the suburb was built out from the early 1980s onwards after the Land Commission of NSW took over the estate. The result is a big, family-focused suburb of nearly 20,000 people, with long streets of brick-veneer homes that are now 30 to 40 years old.
Those homes are well suited to solar. Most are single-storey with tiled hip roofs, often with good north and west faces, and the suburb's generous parklands mean many streets have open outlooks. Where houses back onto reserves or have established gardens, we check winter shading from trees before finalising the layout.
Because many St Clair homes are now 35 years old or more, we often find original switchboards and ageing roof tiles. We inspect both at the site visit and include any repairs or upgrades in a single fixed price, so there are no surprises on installation day.
Solar & Battery Systems We Recommend for St Clair Homes
Most St Clair family homes are best matched to the 10.45kW package with a 28kWh battery, which covers summer air-conditioning and evening cooking. Larger households or homes with a pool should look at the 13.3kW package with a 42kWh battery, while couples or smaller homes often do well with the 6.65kW package and a 16kWh battery.
Getting more from solar in St Clair
St Clair summers can be punishing, and many households run air-conditioning from early afternoon into the night. A practical approach is to pre-cool the house between about 1pm and 4pm while the panels are producing strongly, then let the battery carry the air-conditioner and lights through the evening peak. Closing west-facing blinds before the afternoon sun hits also cuts the cooling load noticeably. If your home still has an electric storage hot water system on an off-peak tariff, switching it to heat from surplus solar in the middle of the day can be one of the easiest extra savings, and we can include a timer or diverter in your quote. For families with teenagers and multiple devices, a battery also smooths out the constant evening load from TVs, computers and chargers. We set up the monitoring app at handover so you can see exactly how much of your power is coming from your roof.
Sizing a System for Your St Clair Home
Bigger is not automatically better. For a St Clair home we match the battery to the power you use after sunset, and the panels to what you need during the day plus battery charging. The table is a starting point only.
Compare every size on the solar and battery packages page, or see how home batteries work.
Endeavour Energy Connection in St Clair
St Clair is supplied by Endeavour Energy. Older homes here commonly need a meter panel or main switch upgrade before a battery can be approved, and we handle that work alongside the connection application and the meter change with your retailer.
Endeavour’s standard export limit is around 5kW, with flexible exports of up to about 10kW for compatible inverters. See export limits by network.
- Site visit & fixed quoteRoof, shading and switchboard checked, then a written price.
- Network applicationWe apply to Endeavour Energy for you.
- Installation dayUsually one day for our SAA-accredited crew.
- Meter & handoverMeter reconfigured, monitoring set up on your phone.
Why St Clair Homeowners Choose Us
St Clair is about 8km from our head office via the M4 and Mamre Road, so our crews are in the area most weeks.
Every job is done by our own SAA-accredited team, priced in writing and backed by a 10-year workmanship warranty. About SimpliSolar · Warranties · Our process

What SimpliSolar customers say
“Fantastic service from Fahad — quick inspection, sound advice, and great value.”
“Working great so far with no bills and running effectively off-grid.”
“Outstanding experience from start to finish.”
Solar FAQs for St Clair
How much do solar panels cost in St Clair?
Packages start from $7,499 for 6.65kW solar with a 16kWh battery. The 10.45kW package we most often fit in St Clair starts from $8,499. Any switchboard or roof tile work is itemised in your quote, so the price you sign is the price you pay.
How long does a solar installation take in St Clair?
Network approval from Endeavour Energy usually takes a few days to two weeks, and the install itself is normally one day. If a switchboard upgrade is needed, we complete it before or on installation day so your system is not delayed.
Do I need council approval for solar panels in St Clair?
Usually not. Rooftop solar on a house in Penrith is generally exempt development in NSW when standard conditions are met. We confirm this for every St Clair property during the site visit.
Can I add a battery to my existing solar in St Clair?
Usually, yes. We either swap the old inverter for a hybrid inverter or add an AC-coupled battery, and the battery still qualifies for the federal discount. It needs a new Endeavour Energy application, which we lodge for you.
We Also Install In
Our crews work across Greater Sydney with no travel fee. Nearby areas we service from our Mount Druitt base:
Get a Fixed-Price Solar Quote for Your St Clair Home
One visit, one written price. We size it to your St Clair bills, handle the approval and claim the rebate for you.
Mon–Fri 8am–6pm · Sat 9am–3pm