Solar Batteries Williamtown, NSW 2318
The 2318 postcode, which includes Williamtown, Campvale, Ferodale, Fullerton Cove, Medowie, Oyster Cove and Salt Ash, has 4,946 households. Of these, 3,390 homes — or 68.5% — have installed rooftop solar panels, reflecting the community's growing move toward renewable energy. With more Williamtown residents looking to reduce their reliance on the electricity grid, many are now turning to solar battery storage as the next step. Solar batteries help homeowners lower energy bills, increase energy independence, and improve long-term sustainability.
According to daily average sunshine data from the nearest weather station at Williamtown Comparison Aws, households in this community receive approximately 4.7 kWh of sunlight per day. Across 2318, rooftop solar systems collectively generate approximately 33,605,000 kWh of clean energy each year, based on an average system size of 6.7 kW. At current electricity rates, that's equivalent to around $10,081,500 of clean energy at grid electricity costs annually.
Solar Battery energy storage is growing just as rapidly, with 113 battery systems now installed across 2318. Together, these systems provide 1,279 kWh of stored energy capacity, with the average household storing around 11.3 kWh. This means local solar households can typically power their homes for 4.5 hours each night using clean energy they generated themselves during the day.
So instead of sending excess solar energy back to the grid for lower returns, Williamtown homeowners are now storing and using their own clean power around the clock. This smart approach not only reduces reliance on expensive coal-generated electricity from the grid, it protects against blackouts, improves sustainability, and maximises their solar investment and long-term financial returns.
Our interactive tools below allow you to analyze battery performance throughout the year in Williamtown. Explore monthly charge time variations, compare different system configurations, and see how your household's daytime energy consumption affects battery charging efficiency. All calculations use real climate data and daylight hours specific to your location.
For context, the 22,875 kW of solar in this postcode generates approximately 33,605 MWh of clean energy annually.
Home Battery Ranking
Postcode 2318
N/Ath
In NSW
N/Ath
In Australia
Solar Battery Installations Williamtown, NSW 2318
Batteries Installed
11.4% of top performerStorage Capacity
9.1% of top performerBattery-to-Solar Ratio
113 batteries / 3390 solar
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Solar Battery Storage Williamtown, NSW 2318
* Data from The Bureau of Meteorology (BOM). Closest weather station to Williamtown: Williamtown Comparison Aws - approx. 772 m
Solar Batteries for Solar Panels Williamtown, NSW 2318
Explore 675 certified home battery systems available in Australia. Compare specifications, capacity, and installation requirements. Annual average charge times are calculated using Williamtown's local climate data and average daylight hours. Use the interactive chart above to see monthly variations and customise scenarios for your specific needs.
Solar Battery Installers Williamtown, NSW 2318
Sun2u Electrical & Solar
Unit 16/33 Kyle St, 2320Newcastle & Hunter valley's electrical & solar specialists.
Home Solar Batteries Williamtown, NSW 2318
Williamtown Demographics & Energy Profile
The 2021 Australian Bureau of Statistics data highlights why Williamtown is emerging as a hotspot for solar battery adoption. The area's 4,946 households include N/A% couple families with children, and an average household size of 2.8 — a demographic that typically has higher energy needs due to larger home sizes and greater daily electricity use.
Strong homeownership rates in Williamtown further support this transition, with 74% properties owner-occupied, including 1969 homes with a mortgage and 1700 owned outright, representing households that are financially well-positioned to invest in long-term energy solutions like solar batteries.
The growing remote work trend adds another layer of opportunity, with N/A residents now working from home. This shift increases daytime electricity use, which aligns well with solar generation patterns and further strengthens the case for battery storage to capture and reuse solar energy later in the day.
Looking ahead, the presence of emerging electric vehicles owned in Williamtown signals the next phase of the home energy transition. As EV adoption continues to grow, more households are recognising the benefits of integrating EV charging with solar battery systems, creating efficient, self-powered homes that maximise renewable energy use while minimising reliance on the grid.
* Based on Australian Bureau of Statistics 2021 Data
Solar Battery Rebates, Cost & Quotes Williamtown, NSW 2318
More Williamtown homeowners and businesses are turning to solar energy and battery storage to cut costs and achieve greater energy independence. With Williamtown’s strong annual solar exposure—averaging around 16.9 MJ/m², or nearly 4.7 kWh per square metre per day—there’s ample sunshine to power your home and charge modern solar batteries. Energy prices in NSW have kept rising, making it all the more attractive for Williamtown’s families and business owners to look at solar batteries for solar panels as a smart next step. With around 4,650 dwellings—most being separate houses—and an average household size of 2.8 people, there’s plenty of roof space and local demand to support this solar revolution. The area’s healthy median household income of $1,844 per week also means many locals are well-placed to invest in future-proof energy solutions.
For those in 2318, solar battery adoption is gathering pace. Williamtown has seen 113 battery systems installed, totalling 1,278.7 kWh of storage, which speaks volumes about local enthusiasm. These battery systems allow homes to store surplus solar power generated during the day and use it in the evening or during outages, maximising self-consumption and slashing electricity bills. Popular brands in Williamtown include Tesla (13.5 kWh), BYD (13.8 kWh), and Sungrow (9.6 kWh), each offering reliable performance and warranty support. On average, a well-sized solar battery system can save Williamtown households $1,200 to $2,000 per year on electricity bills, depending on usage and system size. For example:
• 6.5 kWh system: $1,000–$1,400 savings per year • 10 kWh system: $1,400–$1,900 savings per year • 13.5 kWh system: $1,700–$2,200 savings per year
Williamtown’s solar scene is thriving, with 3,390 total solar installations generating over 22,800 kW across rooftops. That’s a significant contribution to local renewable energy and results in a strong community energy value—keeping more dollars in local pockets and boosting energy resilience.
Battery storage is becoming a hot topic in Williamtown, especially as more people learn about the Federal Government solar batteries rebate NSW program. Homeowners can access discounts of up to 30% of the battery cost, with a typical 11.5–13.5 kWh system attracting rebates of around $3,400–$4,000. These savings can halve payback periods to as little as three or four years. Plus, by joining a Virtual Power Plant (VPP), your system could generate further savings and help stabilise the grid, making the investment even more attractive. With solar batteries for sale from leading manufacturers and expert local installers, it’s a great time to install solar batteries and take advantage of rebates and new technology in solar batteries Australia.
If you’re wondering whether your Williamtown home is ready for battery storage, now’s the perfect time to find out. Working with experienced solar battery installers like us means you’ll get tailored advice for your property and energy needs. As Williamtown embraces renewables and more locals look to reduce their bills and future-proof their homes, solar batteries storage is a smart move. Connect with our trusted local experts today to see how solar can work for you.