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Add a Battery to Existing Solar

$8,990

Add a battery to the solar you already have, either AC-coupled alongside your current inverter or with a new hybrid inverter, after we check your existing system properly.

From $8,990 (10 kWh class battery, installed), including GST. Indicative starting price: the final fixed price is confirmed in writing after a site assessment.

SKU: BES-BAT-02
Brand: Blue Energy Solar
Pack size: 10 kWh class battery, installed
Form: Supply + installation
Categories: Existing Solar Owners
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If you already have solar, you are probably exporting a good share of it for a few cents per kWh, then buying power back in the evening at a much higher rate. Adding a battery lets you store that surplus and use it after sunset. The federal Cheaper Home Batteries Program applies with existing solar, so you do not need to replace a working system to qualify.

Adding a 10 kWh class battery starts from $8,990 installed, after the federal battery discount. This is an indicative starting price; the final fixed price is confirmed in writing after we inspect your existing system.

What's included

  • Inspection of your panels, inverter, isolators, switchboard and export settings
  • Advice on AC coupling or replacing your inverter with a hybrid inverter
  • An LFP battery from Sigenergy, GoodWe, Fox ESS or Sungrow on the approved products list
  • Integration with your current solar system and metering
  • Installation by SAA-accredited installers, with electrical work by our licensed electricians
  • Federal battery discount paperwork and any network notification or application
  • Monitoring set-up covering both solar and battery

Why Blue Energy Solar

Retrofitting a battery starts with the system you already own. An AC-coupled battery adds its own inverter and leaves your solar inverter in place, which suits newer systems in good condition. A hybrid inverter swap replaces an ageing or incompatible inverter and connects the panels and battery through one unit, which can improve efficiency and backup options. We inspect first, tell you honestly if your existing system has faults or safety issues, and recommend the option that makes sense for its age and condition rather than the one that costs the most.

Recommended for

Existing solar owners who export plenty of daytime solar and want to use more of it in the evening.

Federal discount: the Cheaper Home Batteries Program gives roughly 30% off the installed battery cost, at approximately $272 per kWh for the first 14 kWh and $163 per kWh from 14 to 28 kWh. Existing solar counts, but the battery must be on the approved products list and installed by an SAA-accredited installer. The value steps down every 1 January and 1 July to 2030.

NSW VPP incentive: from 1 July 2026, homes can receive a one-off incentive of up to $1,000 for connecting an existing battery to a Virtual Power Plant.

Price drivers: AC coupling versus inverter replacement, battery size, switchboard space and the distance between the switchboard and battery. Confirm incentive values on the official pages before signing.

Directions

1. Request an assessment and share your solar details, bills or monitoring data.
2. We inspect the existing system, switchboard and a compliant battery location.
3. You receive AC-coupled or hybrid options with fixed prices and the federal discount applied.
4. Once you accept, we lodge any network paperwork and schedule installation.
5. Our team installs and commissions the battery and sets up combined monitoring.

Warnings

The price shown is an indicative starting price for a 10 kWh class battery; the final fixed price is confirmed in writing after a site assessment and quote.
Faults or non-compliant items found in the existing solar system must be rectified first and are quoted separately.
The federal battery discount depends on an approved battery and program eligibility at the time of installation.
Changes to the system are subject to network requirements, which may include an export limit.
Modifying an existing system can affect its original installer's workmanship warranty; we explain this before work starts.

Frequently Asked Questions

AC coupling is usually simpler when your current inverter is newer and working well, because it stays in place. A hybrid inverter is often better when the old inverter is near the end of its life, cannot communicate with a battery or limits backup options. We compare both for your system, including cost and warranty position, before you decide.

Inverters generally have a shorter working life than panels. If yours is showing faults, lacks current grid settings or has little warranty left, replacing it with a hybrid inverter as part of the battery project can avoid a second call-out later. If it is in good condition, keeping it and adding an AC-coupled battery can be the lower-cost path.

Your monitoring app or electricity bill shows how much solar you export. If you regularly export several kWh a day and use a fair amount of power in the evening, a battery is more likely to be worthwhile. We review this data at the assessment and size the battery to your real surplus, not a standard package.

Yes, usually. Once a battery stores your surplus you export less, so feed-in credits fall, while evening grid purchases also fall. Some electricity plans are designed for battery owners or VPP members and have different terms. We do not recommend a particular retailer, but we explain what to compare once your battery is running.
Delivery Options

Service area & scheduling

Where we work

  • Sydney and a radius of roughly 200 km: Newcastle, the Central Coast, Wollongong, the Southern Highlands, the Blue Mountains, Bathurst, Orange, Lithgow, Goulburn and the Canberra region.

Timing

  • Usually installed 2-4 weeks after you accept the quote, subject to any network approval.

How your request works

  • Send your request and our team contacts you to arrange the site assessment. You receive a written fixed-price quote before any work starts.
  • All electrical work is carried out by licensed electricians; solar and battery design and installation by SAA-accredited installers.
  • Blue Energy Solar is a New Energy Tech Approved Seller and holds $20 million public liability cover.

Prices include GST.

Review
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JoseFernandez
Great product the results are fascinant
02/08/2024 02:59 PM

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