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Solar Batteries Wollongong

KEEP THE LIGHTS ON

Battery storage in Wollongong

The Illawarra coast enjoys reliable sunshine, and with rising grid prices, Wollongong is well placed to benefit from solar and battery storage. We install throughout the region.

Every Wollongong install starts on the roof itself. We assess pitch, orientation and anything casting shade, then design around how your household actually uses power rather than a standard package. Tier 1 panels, CEC-accredited installers, and a system sized to the home it sits on. What it generates will always come down to your roof, shading and usage.

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Home battery storage installed by EFS Solar in Wollongong
Tier 1 solar panels installed by EFS Solar in Wollongong

Why add a battery in Wollongong

  • Homes tucked under the Illawarra escarpment can lose late-day sun, so panel placement and string layout matter here more than in flatter parts of NSW.
  • Between Bulli and Shellharbour the salt air is unrelenting, so mounting hardware and racking need to be specified for a coastal site, not an inland one.
  • West Dapto's new estates and the older brick-and-tile suburbs around Figtree call for different approaches, and Endeavour Energy's export rules shape how each system is set up.

The federal Cheaper Home Batteries Program discounts eligible batteries (eligibility criteria apply, and the support steps down over time). EFS Solar is not affiliated with any government body. See our solar & battery rebates guide for the current detail.

Areas we service near Wollongong: Shellharbour, Dapto, Kiama, Corrimal and Figtree. Not sure if we cover your suburb? Get in touch and we'll let you know.

Wondering whether storage stacks up for you? Our rebates guide walks through the options and who each suits.

Battery Storage in Wollongong — Common Questions

Is a solar battery worth it?

A battery lets you store daytime solar for use in the evening, reducing what you buy from the grid. Whether it pays off depends on your usage, your tariff and your solar system — we'll give you an honest, tailored estimate rather than a one-size-fits-all promise. Actual results vary.

How much does a battery cost?

It depends on the battery size and whether it's paired with new or existing solar. The federal Cheaper Home Batteries Program currently discounts eligible installed batteries (eligibility criteria apply, and the support steps down over time). We'll show you the full price with any incentive applied separately.

What size battery do I need?

That depends on how much energy you use in the evening and overnight, and the size of your solar system. We'll help you match battery capacity to your actual usage.

Can I add a battery to my existing solar system?

Usually yes — either through a hybrid inverter or an AC-coupled battery that works alongside your current setup. We'll assess your existing system and recommend the best option.

Will a battery keep my power on during a blackout?

Only if it's configured for backup — not all batteries or installations include blackout protection by default. If keeping the lights on during an outage matters to you, tell us and we'll design for it.

How long do batteries last?

Quality batteries are typically warranted for around 10 years or a set number of charge cycles. We'll show you the specific warranty for the battery you choose.

What our customers say

★★★★★
“Great experience. The proposal was transparent, no surprises on the day, and the crew checked in before drilling a single hole. They cleaned up and showed us how to use the monitoring app. Five stars.”
Angel Koopman
From Google
★★★★★
“Professional, clear, and fast. Our old system was removed and the new panels and inverter were in the same day. The installers explained how to track production and helped me setup my app. Highly recommend.”
James Mejia
From Google
★★★★★
“Nige and the install team have been fantastic to deal with. Informative and super helpful. Highly recommend, had panels and battery installed yesterday and am looking forward to working out all the ins and outs and saving some $ Cheers Nige and team”
Libby Webster
From Google
★★★★★
“The entire procedure was made easy and seamless by EFS Solar. The team was efficient, kind, and gave instructions on how to monitor energy production. When they departed, everything was immaculate. Strongly suggested!”
kisor kumar
From Google
★★★★★
“From first contact with EFS to installation in little over a week - pretty amazing! Kyle in sales was very knowledgeable and personable, recommended a system to suit our needs and facilitated a reduced price for us after we were unable to secure a 0% loan. Such good support! Installers Scott and Wan worked fast and efficiently and the job was done by early afternoon.”
Robin Tilney
From Google
★★★★★
“Very professional, fast and efficient. Scott and James who did my job where able to answer all my questions, set me up with the app and left the place clean and tidy. Thank you EFS Solar.”
Perry Cohen
From Google
★★★★★
“The salesman was knowledgeable and professional, not forcing a bigger system on us than we needed. The whole process from quote to install took just over 2 weeks. The install team arrived on time, were pleasant, tidied up after themselves and were in and out in no time. No hidden extras to add to the bill. Would I use them again, absolutely.”
Kathy Littlemore
From Google
★★★★★
“From sales to installation they have been great to deal with. More than happy with the quality of product offered and installation...very professional company.”
Trevor Schodde
From Google
Google4.7(460)Write a Review

Rating as shown on our Google Business Profile, August 2026.

Other New South Wales areas we service

Batteries SydneyBatteries Central CoastBatteries NewcastleBatteries Port MacquarieBatteries Coffs HarbourBatteries GraftonBatteries Northern NSWBatteries Byron BayBatteries Tweed Heads

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