If you're considering installing solar panels for your Willson River home (and/or a battery), this page offers useful related information and interesting statistics for Willson River and the 5222 postcode area in South Australia.
If Willson River isn't your location, you can search for installation information relevant to your town or suburb here:
In Willson River's postcode area (5222), more than 351 small-scale systems have been installed with a collective capacity of 1,885 kW as at April 30, 2025.
Given a population of 575, this works out to 3,278 watts per person in the area, compared to a 1,115 watts Australian average. There are approximately 658 dwellings in the 5222 area, so that calculates out at 53 solar panel systems per 100 dwellings - the Australian average is 40.
Based on a conservative average of 7,065 kWh of energy production a day (enough to power the equivalent of 442 homes) and retail electricity costs of 42c per kilowatt-hour; Willson River and 5222 postcode area residents are collectively generating $1,083,043 of energy at retail prices a year!
Willson River solar power system owners are also contributing to greenhouse gas emission reduction, with the systems in 5222 region avoiding 1,315 tonnes of carbon dioxide emissions annually.
The Hookup Solar free quoting service has been used by 0 households in Willson River and 61 households across the 5222 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 Willson River and 5222 area. Or continue reading for more useful information.
Willson River experiences solar irradiation levels reaching approximately 4.47 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 5222 area per month.
Here's what you can expect to generate with various sized solar power systems in the Willson River area, assuming good quality components, a suitable rooftop and professional, accredited solar installation.
Based on the above, the following is what you should be able to expect from a solar panel installation in Willson River in terms of annual solar energy output for the location, on average:
Rooftop solar panels installed in Willson River, 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 Willson River'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).
As well as providing your home with electricity, Willson River 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 5222 area.
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, Willson River solar power system owners can expect to save $1,788 per year.
At the time of publishing, there do not appear to be any special requirements involved with installing solar panels in the Kangaroo Island Council area.
It's important to check with Kangaroo Island Council regarding any potential changes before proceeding with installation. For further information, prospective solar owners in Willson River should visit this page.
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.
In our network we have quality, thoroughly pre-vetted solar power system installers servicing Willson River. If you're ready to get quotes from installation professionals we know and trust:
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 Willson River home will depend on various factors.
We have solar battery installers within our network providing services to Willson River 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 Willson River (or a home battery), feel free to contact us.
Data sources used above for solar power information in Willson River SA 5222 include:
Some additional notes:
Bureau of Meteorology details are based on your nearest weather station, which is Pelican Lagoon , coordinates 35°48'35" S 137°47'31" E, around 14 km from the centre of Willson River.
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