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Australian Capital Territory - Updated September 2026

Australian Capital Territory solar battery cost calculator & rebates

Every Australian state and territory can access the federal Cheaper Home Batteries Program in 2026 (about $252/kWh on the first 14 kWh of usable capacity, tapering above that). Figures verified as of July 2026.

The ACT does not provide an upfront battery rebate. The Sustainable Household Scheme offers zero-interest loans up to $15,000 for eligible purchases.

Canberra households benefit from the federal Cheaper Home Batteries Program on eligible installs.

Canberra metro has high rooftop solar uptake. Net battery cost is federal STCs only - the Sustainable Household Scheme loan can finance the purchase but does not reduce the upfront price modelled in our calculator the way a point-of-sale rebate does.

Cost in Australian Capital Territory: ACT solar battery cost after rebate is federal STCs only; the Sustainable Household Scheme loan can finance the purchase but does not lower the upfront net cost modelled in our calculator.

Official source: Australian Capital Territory rebate information · National cost guide · Battery guides · Compare state rebates

Solar battery cost in Canberra

Canberra metro has among the highest rooftop solar uptake in Australia, but the ACT does not offer an upfront battery rebate. The Sustainable Household Scheme provides zero-interest loans up to $15,000 - financing, not a point-of-sale discount - while the federal Cheaper Home Batteries Program supplies the main upfront price reduction.

Gross quotes for a 10 kWh battery in Canberra commonly sit between $9,000 and $14,000 installed before rebates. After the federal STC discount (roughly $2,500 on 10 kWh in mid-2026), many Canberra households land near $6,500-$11,500 net for a 10 kWh system.

Canberra's cold winters and hot summers create strong seasonal load patterns. Time-of-use tariffs from ActewAGL and other retailers can improve battery savings when the system is sized to your actual evening and morning import profile rather than a generic default.

  • Typical 8 kWh net after federal rebate: about $6,500-$9,500
  • Typical 10 kWh net after federal rebate: about $6,500-$11,500
  • Typical 13.5 kWh net after federal rebate: about $9,000-$14,000
  • Sustainable Household Scheme loans available - not an upfront rebate
  • High solar uptake in ACT suburbs - self-consumption drives payback

See also: National price tables · 8 kWh battery cost guide · 10 kWh battery cost guide · 13.5 kWh battery cost guide · Best home batteries

See your Australian Capital Territory net cost in the calculator

Prefilled for Australian Capital Territory - instant estimate, no email required.

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Your details

A few quick questions - no email required to see your result.

Required - rebate stacking depends on your state.

How do you want to estimate usage?
Do you already have solar panels?

Battery shoppers usually already have panels. We default to Yes; switch if you are planning solar with the battery.

Your quarterly bill is treated as grid spend after existing solar when you choose Yes, and as total household usage when you choose No solar yet. Switching that answer can change inferred daily kWh and savings.

Larger solar usually means more excess power to charge the battery and shorter payback.

When do you plan to install?

The federal rebate steps down from 1 January 2027.

More options (mode, rates, extra inputs)
Calculator mode

We search generic sizes (5-100 kWh) and catalog stacks for the shortest estimated payback.

Default 0.30. For time-of-use, enter your average or peak rate.

Default 0.05 (5c). What your retailer pays for exported solar.

Your electricity plan type

Hit a target bill

Used for Hit a target bill. Energy portion only at your rate (not supply charges). Try $0 for minimum grid use, or e.g. $400/yr (~$100 per quarter).

Explore options

Used for Explore options. If you pick a system, we use its usable kWh per unit times the count above. Costs vary by installer and site.

How much do you want to back up?

Sets the suggested battery size in Explore when you have not picked a specific system above.

Compare outcomes

Best estimated payback: 8.2 years at GoodWe ESA (~16 kWh) (16 kWh).

Best payback configuration

GoodWe ESA (~16 kWh)

16kWh

Estimated annual electricity cost (energy at your rate)

Before battery

$1,604

/yr

After battery

$115

/yr

Bill drop: $1,489/yr ($1,604 - $115)

Payback uses $1,241/yr modelled savings, not the full bill drop. Storing solar means you forgo about $248/yr of feed-in tariff on that energy.

Gross installed cost$14,000
Federal rebate (install 2026)- $3,824

ACT Sustainable Household Scheme offers zero-interest loans up to $15,000 (financing, not a rebate).

Estimated net cost$10,176

Installing in 2027 instead would reduce your federal rebate by about $619.

Simple payback period

8.2 years

Optimal payback is based on this calculator's inputs and assumptions only (usage, solar size, tariffs, rebate rules, and indicative installed costs). Real-world payback varies with installer quotes, site conditions, and how you use power. This is an estimate, not a guarantee.

These are estimates. The next step is real installer pricing for your home.

Estimates updated July 2026 · See methodology

What to do next

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Opens your default mail app (Mail, Outlook, Thunderbird, and so on) with the estimate filled in. We also copy the full summary so you can paste it if the app truncates.

Prefer the browser? Gmail / Outlook on the web.

Compare quotes fairly

Take this to installers so you compare like-for-like, not just the headline price.

  1. 1Usable kWh (not nameplate)Compare like-for-like usable capacity. Marketing peak or nameplate figures can differ from what you actually get to cycle each day.
  2. 2Gross price vs rebates, itemisedAsk for the installed price before rebates, then the federal STC discount and any state rebate shown as separate lines - not a single 'after rebate' number.
  3. 3Backup scopeConfirm whether backup covers the whole home or essential circuits only, and whether the backup gateway / switchboard work is included in the price.
  4. 4Commissioning date / STC yearThe federal discount steps down from 1 January 2027. Check which STC year the quote assumes, since a later commissioning date can reduce the rebate.
  5. 5State incentive eligibilityCheck any state scheme you may qualify for (for example the WA Residential Battery Scheme, or NSW VPP incentives and interest-free loans) and whether the quote accounts for it.

Read the guide

Full breakdown, long-term savings and assumptions

Cumulative energy savings (simple estimate)

Based on modelled battery savings used for payback ($1,241/yr). No inflation or battery degradation applied.

$12,410

10 years

$18,615

15 years

$24,820

20 years

ACT Sustainable Household Scheme offers zero-interest loans up to $15,000 (financing, not a rebate).

How we calculated this

  • Estimated daily usage: 24.4 kWh (implied household load from a $400 quarterly bill after existing solar at $0.30/kWh).
  • Battery selected: GoodWe ESA (~16 kWh) (16 kWh usable). Indicative installed cost before rebates.
  • Installed cost uses an indicative midpoint for the selected system (before rebates).
  • Federal rebate uses STC factor 6.8 (install in 2026). From 1 Jan 2027 the factor drops to 5.7.
  • Flat-rate plan: import at $0.30/kWh, feed-in at $0.05/kWh.
  • Battery savings use the gap between import and feed-in (~$0.25/kWh) on solar stored instead of exported.
  • Savings assume about 85% of battery capacity can be cycled when excess solar is available.
  • Before battery: ~14.7 kWh/day grid imports (solar offsets ~9.8 kWh/day of daytime use).
  • After battery: ~1.1 kWh/day grid imports (13.6 kWh/day stored solar used overnight).
  • Annual bill before/after is the energy portion at your import rate (supply charges not included).
  • Bill drop (before minus after grid energy cost): ~$1489/yr.
  • Modelled battery savings used for payback: ~$1241/yr (shifted solar at import minus feed-in, never more than the bill drop).
  • The ACT offers zero-interest loans rather than an upfront rebate; federal rebate applies.
  • Existing 6.6 kW solar: ~27.7 kWh/day generation, ~18 kWh/day excess after ~9.8 kWh daytime use.

Full write-up: methodology and assumptions.

Rebate data as of July 2026. Sources: [1], [2]. Confirm eligibility and pricing with an accredited installer.

Australian Capital Territory battery rebate FAQs

Is there an ACT battery rebate in 2026?

No upfront state rebate - the Sustainable Household Scheme provides loans. The federal program supplies the main upfront discount.

Can ACT residents access federal and ACT support together?

Federal discount applies at install. ACT loans are separate financing - they do not reduce the upfront price modelled in net cost.

What payback can Canberra homeowners expect?

Enter your ActewAGL or retailer rate, usage and solar details above. Typical partial-backup homes see payback in roughly 9-14 years depending on inputs.

How much does a solar battery cost in Canberra?

Most Canberra metro 10 kWh installs net around $6,500-$11,500 after the federal rebate in 2026. ACT loans can help cash flow but do not reduce upfront net cost - use the calculator above with ACT selected.

Where can I verify Australian Capital Territory rebate rules?

Official source: https://www.climatechoices.act.gov.au/policy-programs/sustainable-household-scheme. Federal program: https://cleanenergyregulator.gov.au/node/3634.

Calculate for other states

Rebates and loan schemes differ by state and territory.

New South WalesVictoriaQueenslandSouth AustraliaWestern AustraliaTasmaniaAustralian Capital TerritoryNorthern Territory