Solar Power Information - Willunga, SA, 5172
If you're considering installing solar panels for your Willunga home (and/or a battery), this page offers useful related information and interesting statistics for Willunga and the 5172 postcode area in South Australia.
If Willunga isn't your location, you can search for installation information relevant to your town or suburb here:
Postcode 5172 Solar Power Statistics
In Willunga's postcode area (5172), more than 1,424 small-scale systems have been installed with a collective capacity of 8,744 kW as at October 31, 2024.
Given a population of 3,924, this works out to 2,228 watts per person in the area, compared to a 1,034 watts Australian average. There are approximately 1,632 dwellings in the 5172 area, so that calculates out at 87 solar panel systems per 100 dwellings - the Australian average is 38.
Based on a conservative average of 34,604 kWh of energy production a day (enough to power the equivalent of 2,163 homes) and retail electricity costs of 42c per kilowatt-hour; Willunga and 5172 postcode area residents are collectively generating $5,304,785 of energy at retail prices a year!
Willunga solar power system owners are also contributing to greenhouse gas emission reduction, with the systems in 5172 region avoiding 6,442 tonnes of carbon dioxide emissions annually.
Installing Solar Panels In Willunga?
The SolarQuotes free quoting service has been used by 154 households in Willunga and 259 households across the 5172 postcode area in South Australia.
You can join them! To get started, simply click the button below and we'll match you to up to 3 pre-vetted SA accredited installers we trust who service the Willunga and 5172 area. Or continue reading for more useful information.
Solar Energy Resources In Willunga
Willunga experiences solar irradiation levels reaching approximately 4.72 kilowatt-hours per square metre per day on average over a year. The following graph shows solar irradiation/output levels per kilowatt of installed solar panels in the 5172 area per month.
Daily/Monthly System Energy Output Estimates
Here's what you can expect to generate with various sized solar power systems in the Willunga area, assuming good quality components, a suitable rooftop and professional, accredited solar installation.
Annual Electricity Output Estimates
Based on the above, the following is what you should be able to expect from a solar panel installation in Willunga in terms of annual solar energy output for the location, on average:
- 5kW system - 7,222 kWh (equivalent to ~124% of annual electricity consumption)
- 6kW system - 8,667 kWh (~148%)
- 10kW system - 14,444 kWh (~247%)
- 13kW system - 18,778 kWh (~322%)
Optimal Panel Angle And Orientation
Rooftop solar panels installed in Willunga, South Australia should generally face North for the best results. For a good panel angle, the general rule of thumb is it should be around the same as latitude. In Willunga's case, that is 35 degrees - but usually whatever your rooftop angle is will be fine (unless it's under 10 degrees - then tilt frames may be needed).
Feed In Tariffs In South Australia
As well as providing your home with electricity, Willunga solar system installation owners can be paid for surplus energy generated. In SA, feed-in tariffs generally currently range from 5c to 10c per kilowatt-hour exported - so, it's important to compare energy retailers for the best electricity plan in the 5172 area.
Willunga Solar Energy Savings
Based on a 6.6kW system installation, a self-consumption rate of 40% and the low end of the feed in tariff range rate of 5c, Willunga solar power system owners can expect to save $1,888 per year.
Onkaparinga City Council Requirements.
At the time of publishing, there are special requirements involved with installing solar panels in the Onkaparinga City Council area. Circumstances where an approval is required include if if the solar panels are installed on a tilted array frame, located on a State Heritage structure, located on a Local Heritage structure and able to be seen by a person standing at ground level in a public street. Approval will also be required where a photovoltaic system weighs in excess of 100 kilograms, unless the weight load is distributed, panels done overhang the roof, are fitted parallel to the roof and no more than 100 mm above the surface.
It's important to check with Onkaparinga City Council regarding any potential changes before proceeding with installation. For further information, prospective solar owners in Willunga should visit this page.
Network Grid Connection Requirements In South Australia
A series of steps must be completed in South Australia involving you, your network distributor and your installer - but your installer will do most of the administrative heavy lifting. Learn more about the grid connection process in South Australia.
Solar Panel Installers In Willunga
In our network we have quality, thoroughly pre-vetted solar power system installers servicing Willunga. If you're ready to get quotes from installation professionals we know and trust:
Installing A Solar Battery In Willunga
Households across Australia are increasingly thinking of installing a home battery; either as an addition/upgrade to an existing PV system, or installed concurrently with solar panels. Whether batteries will make sense for your Willunga home will depend on various factors.
We have solar battery installers within our network providing services to Willunga who can advise you on home energy storage as a retrofit upgrade or part of a full solar + battery system installation - and provide a quote.
If you have any questions regarding choosing, buying and installing solar panels in Willunga (or a home battery), feel free to contact us.
Willunga Data Sources And Notes
Data sources used above for solar power information in Willunga SA 5172 include:
- Census 2021 - Australian Bureau of Statistics
- Bureau of Meteorology (BOM)
- Clean Energy Regulator data for postcode 5172 current as at October 31, 2024.
- Onkaparinga City Council - South Australia
Some additional notes:
- Household electricity consumption in Willunga is based on the Australian average of 16kWh a day.
- Carbon intensity based on the South Australia average of 0.51kg per kilowatt-hour.
Bureau of Meteorology details are based on your nearest weather station, which is Willunga , coordinates 35°16'14" S 138°33'33" E, around 463 metres from the centre of Willunga.