If you're considering installing solar panels for your Castle Rock home (and/or a battery), this page offers useful related information and interesting statistics for Castle Rock and the 2333 postcode area in New South Wales.
If Castle Rock isn't your location, you can search for installation information relevant to your town or suburb here:
In Castle Rock's postcode area (2333), more than 2,219 small-scale systems have been installed with a collective capacity of 17,236 kW as at April 30, 2025.
Given a population of 12,631, this works out to 1,365 watts per person in the area, compared to a 1,115 watts Australian average. There are approximately 5,758 dwellings in the 2333 area, so that calculates out at 39 solar panel systems per 100 dwellings - the Australian average is 40.
Based on a conservative average of 69,800 kWh of energy production a day (enough to power the equivalent of 4,362 homes) and retail electricity costs of 34c per kilowatt-hour; Castle Rock and 2333 postcode area residents are collectively generating $8,662,126 of energy at retail prices a year!
Castle Rock solar power system owners are also contributing to greenhouse gas emission reduction, with the systems in 2333 region avoiding 20,891 tonnes of carbon dioxide emissions annually.
The Hookup Solar free quoting service has been used by 1 households in Castle Rock and 442 households across the 2333 postcode area in New South Wales.
You can join them! To get started, simply click the button below and we'll match you to up to 3 pre-vetted NSW accredited installers we trust who service the Castle Rock and 2333 area. Or continue reading for more useful information.
Castle Rock experiences solar irradiation levels reaching approximately 4.83 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 2333 area per month.
Here's what you can expect to generate with various sized solar power systems in the Castle Rock 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 Castle Rock in terms of annual solar energy output for the location, on average:
Rooftop solar panels installed in Castle Rock, New South Wales 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 Castle Rock's case, that is 32 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, Castle Rock solar system installation owners can be paid for surplus energy generated. In NSW, 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 2333 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, Castle Rock solar power system owners can expect to save $1,619 per year.
At the time of publishing, there do not appear to be any special requirements involved with installing solar panels in the Muswellbrook Council area.
It's important to check with Muswellbrook Council regarding any potential changes before proceeding with installation. For further information, prospective solar owners in Castle Rock should visit this page.
A series of steps must be completed in New South Wales 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 New South Wales.
In our network we have quality, thoroughly pre-vetted solar power system installers servicing Castle Rock. 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 Castle Rock home will depend on various factors.
We have solar battery installers within our network providing services to Castle Rock 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 Castle Rock (or a home battery), feel free to contact us.
Data sources used above for solar power information in Castle Rock NSW 2333 include:
Some additional notes:
Bureau of Meteorology details are based on your nearest weather station, which is Spring Creek (Castle Vale) , coordinates 32°12'33" S 150°44'11" E, around 356 metres from the centre of Castle Rock.
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