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Best Energy Upgrades for Australian Capital Territory Homes in 2026

Based on a typical 3-bedroom home in Australian Capital Territory · Updated April 2026

The ACT leads the country on energy transition incentives. The Sustainable Household Scheme provides interest-free loans for solar, battery, electric vehicles, and appliance upgrades. Gas-to-electric conversions attract additional rebates of up to $5,000. With cold Canberra winters and a strong policy environment, the ACT is one of the most financially rewarding places in Australia to electrify your home.

What we modelled — how we calculated these results

3-bedroom home, ~18 years old
State: ACT
Electricity: 30c/kWh
Feed-in tariff: 5.0c/kWh
Gas: 4.1c/MJ
Gas usage: ~64,465 MJ/year
Electricity usage: ~2,865 kWh/year
Analysis period: 15 years

Recommended upgrade sequence

These upgrades are ordered for maximum return. Each step accounts for the energy changes made by previous steps.

1

Electric Vehicle

Pays for itself in 3.3 years, then saves ~$1,590/year.

$6,563
Profit
Net cost
$6,600
Payback
3.3 yrs
15yr savings
$23,152
2

Solar + Battery

Pays for itself in 5.6 years, then saves ~$2,734/year.

$6,391
Profit
Net cost
$16,052
Payback
5.6 yrs
15yr savings
$44,907
3

Insulation

Pays for itself in 4.8 years, then saves ~$327/year.

$1,417
Profit
Net cost
$1,680
Payback
4.8 yrs
15yr savings
$6,537
4

Heat Pump Hot Water (gas switch)

Pays for itself in 6 years, then saves ~$394/year.

$1,140
Profit
Net cost
$2,615
Payback
6 yrs
15yr savings
$7,941
5

Draught Sealing

Pays for itself in 2.6 years, then saves ~$196/year.

$908
Profit
Net cost
$480
Payback
2.6 yrs
15yr savings
$2,795
6

Reverse Cycle Heating

Pays for itself in 7.8 years, then saves ~$705/year.

$369
Profit
Net cost
$6,400
Payback
7.8 yrs
15yr savings
$14,345
7

Induction Cooktop

Pays for itself in 0 years, then saves ~$129/year.

$4,102
Profit
Net cost
$0
Payback
0 yrs
15yr savings
$8,668
8

Smart Home Energy Management

Pays for itself in 6.1 years, then saves ~$134/year.

$113
Profit
Net cost
$2,000
Payback
6.1 yrs
15yr savings
$4,323

Portfolio summary

$35,827
Total investment
$112,669
Total savings (15yr)
$21,002
Net profit

Below market returns at this time horizon

These upgrades still save money on energy bills, but the return doesn't beat the 10% stock market benchmark over 15 years. They may become worthwhile with a longer holding period.

Battery (add-on)
Below benchmark by $4,653

Frequently asked questions about Australian Capital Territory energy upgrades

What is the best energy upgrade for a Australian Capital Territory home?
For a typical 3-bedroom home in Australian Capital Territory, Electric Vehicle is the highest-return upgrade with a net profit of $6,563 over 15 years and a payback period of 3.3 years.
How much can I save on energy bills in Australian Capital Territory?
By following the full recommended upgrade sequence, a typical Australian Capital Territory home could save $112,669 over 15 years, with a total investment of $35,827 and a net profit of $21,002.
What electricity rate does Australian Capital Territory pay in 2026?
We modelled Australian Capital Territory homes at 30c/kWh with a feed-in tariff of 5.0c/kWh, based on current ACT retail rates. You can adjust these in the calculator to match your actual plan.
What order should I install energy upgrades in Australian Capital Territory?
The optimal sequence is: 1. Electric Vehicle, 2. Solar + Battery, 3. Insulation, 4. Heat Pump Hot Water (gas switch), 5. Draught Sealing, 6. Reverse Cycle Heating, 7. Induction Cooktop, 8. Smart Home Energy Management. Each step is calculated after accounting for the energy changes from previous upgrades, so the order matters.

See what the calculator recommends for your home

These results are for a typical home. Your savings depend on your actual energy usage, roof orientation, and appliance ages.

Run the calculator for your home

Examples for other states

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