Cheapest electricity plan for EV charging in Adelaide
Homes in Adelaide are connected to the grid through SA Power Networks, and 27 retailers sell electricity here. That choice is worth real money.
The short answer
623 residential electricity plans serve Adelaide. Charging a Hyundai Ioniq 5 Long Range overnight and driving 12,000km a year, the cheapest costs $80.18 a year and the dearest $1069.09.
Same car, same kilometres, same house, $988.91 apart. That is the widest gap of any Australian capital.
The cheapest plan in Adelaide is OVO Energy on The EV Plan, at 4.09 cents per kilowatt hour between midnight and 6am. It is sold specifically for people charging an electric car, which is why the overnight rate is so far below the rest of the market.
Every retailer in Adelaide, cheapest plan first
One row per retailer, showing their best plan for overnight charging on the SA Power Networks network. A typical plan here lands around $629.16 a year.
| # | Retailer | Plan | Overnight rate | A year | Per 100km |
|---|---|---|---|---|---|
| 1 | OVO Energy | The EV Plan | 4.09c | $80.18 | $0.67 |
| 2 | Origin Energy | Origin Night Shift - New & Move Customers only | 7.27c | $142.55 | $1.19 |
| 3 | CovaU | SolarMax SA Residential TOU | 15.00c | $294 | $2.45 |
| 4 | Globird Energy | WHOLESAVE Resi (Two Rate CTL) estimate-SAPN | 17.47c | $342.41 | $2.85 |
| 5 | Amber Electric | Battery + Solar: Variable Wholesale Prices (estimate) | 21.97c | $430.67 | $3.59 |
| 6 | 1st Energy | 1st Emerald - Time of Use + Controlled Load | 23.90c | $468.44 | $3.90 |
| 7 | Flow Power | Flow Home Battery+Solar+EV: Variable Prices (estimate) | 24.65c | $483.05 | $4.03 |
| 8 | Momentum Energy | Home Comfort Electricity | 26.30c | $515.48 | $4.30 |
| 9 | AGL | Residential Seniors Saver - New To AGL (No Exit Fee) | 26.92c | $527.63 | $4.40 |
| 10 | Kogan Energy | Kogan Energy for current FIRST members | 28.21c | $553.01 | $4.61 |
| 11 | Powershop | Power House | 28.21c | $553.01 | $4.61 |
| 12 | Diamond Energy | Diamond Everyday - Time of Use | 28.74c | $563.36 | $4.69 |
| 13 | Energy Locals Retail | Home Choice | 29.29c | $574.10 | $4.78 |
| 14 | Nectr | Nectr GreenPower TOU - August 2026 | 29.30c | $574.19 | $4.78 |
| 15 | Alinta Energy | HomeDeal Flow - Time of Use (Interval) | 29.59c | $579.96 | $4.83 |
SA Power Networks network, Hyundai Ioniq 5 Long Range at 14.7 kWh per 100km. Scale the per 100km column for your own car.
Where charging at midday beats charging overnight
Overnight charging is the standard advice and on most Adelaide plans it is right. On 6 plans it is not. The biggest reversal is OVO Energy, where moving the charge to the middle of the day saves $627.28 a year.
| Retailer | Plan | Charging overnight | Charging midday | Difference |
|---|---|---|---|---|
| OVO Energy | The Basic Free 4 Plan | $784.10 | $156.82 | $627.28 |
| iO Energy | Smart Home | Free weekend energy | Controlled load | $659.27 | $101.82 | $557.45 |
| Flipped Energy | Freedom Switched On 2.2! | $772.57 | $249.38 | $523.19 |
| Kogan Energy | Kogan Solar Sharer | $626.68 | $140.14 | $486.54 |
| Powershop | Solar Sharer | $626.68 | $140.14 | $486.54 |
| Origin Energy | Origin Standing Solar Sharer | $626.67 | $140.14 | $486.53 |
Plans with free power windows
6 retailers in Adelaide gives electricity away for a fixed window each day. OVO Energy offers the longest at 28 hours a week.
| Retailer | Plan | Free window |
|---|---|---|
| OVO Energy | The Free 4 Plan | 28 hours a week |
| AGL | Three for Free (No Exit Fee) | 21 hours a week |
| Kogan Energy | Kogan Solar Sharer | 21 hours a week |
| Origin Energy | Origin Standing Solar Sharer | 21 hours a week |
| Powershop | Solar Sharer | 21 hours a week |
| iO Energy | Smart Home | Free weekend energy | Controlled load | 12 hours a week |
Checked on 11 September 2026
Adelaide prices were last read from the regulator on 11 September 2026. Supply charges, demand tariffs and sign-up discounts are excluded. How we compare EV electricity plans sets out the method and every assumption behind this table.