Petrol and diesel prices are rising fast, but the more important shift is happening elsewhere. Public fast-charging, long seen as the expensive fallback for electric vehicle drivers, is becoming cheaper in key markets. That challenges one of the most persistent assumptions around electric vehicles: that they only make financial sense if you can charge at home.
For years, the EV equation has favoured homeowners with garages, driveways, and solar. Everyone else has been left weighing higher public charging costs against the convenience of fuel. Now, that gap is narrowing. As fast-charging prices ease while fuel costs climb, EV ownership is starting to look viable for a much wider group of drivers.
The problem that held EVs back
Fast chargers were consistently priced at a premium, often close enough to petrol on a per-kilometre basis to blur what should have been a clear advantage. Add in pricing that varied by network, location, and even time of day, and the experience became unpredictable. Drivers weren’t just paying more, they were second-guessing every charge.
Running costs are one of the strongest arguments for switching to an EV, but public charging has weakened that argument at the point when many drivers need it most. Instead of reinforcing the case, it introduced friction. What looked compelling on paper started to feel conditional in practice.
The impact wasn’t evenly spread. Homeowners with off-street parking could bypass the issue entirely, charging overnight at lower rates and locking in consistent savings. Everyone else faced a different reality. Renters, apartment residents, and urban drivers were left relying on infrastructure that didn’t yet deliver the same financial clarity.
That’s how the market quietly split. EVs made sense if your living situation allowed it. If not, the economics became harder to justify, and the transition stalled before it even started.
What’s changing in fast-charging costs
In Australia, fast-charging typically costs around $0.45 to $0.80 per kWh, depending on the network and charger speed. For a standard 60kWh battery, that translates to roughly $30 to $40 for a full charge, delivering around 350 to 400 kilometres of range.
That puts fast-charging at roughly $6.75 to $10.80 per 100km in real-world use.
Now compare that to petrol. At around $2.50 per litre, a typical petrol car costs about $25 per 100km. Even using more conservative fuel prices, most petrol vehicles still sit in the range of $11 to $18 per 100km, depending on efficiency.
That gap is what’s changing the equation. Fast charging used to narrow the savings from EVs. Under current conditions, it still costs more than charging at home, but it is now often comparable to, or cheaper than, petrol on a per-kilometre basis.
The other shift is consistency. While prices still vary between networks, the structure is becoming clearer, with most providers charging per kWh rather than session-based or time-based fees. That makes costs easier to estimate and compare, especially for drivers who rely on public infrastructure.
Home charging remains the lowest-cost option at roughly $4 to $8 per 100km, or significantly less with solar. But the key change is that public fast charging is no longer erasing the cost advantage entirely, which has been one of the main constraints on wider EV adoption.
Why this matters more than it seems
Until now, the financial case for EVs has been tied closely to home charging. If you had a driveway or garage, you could access lower electricity rates and lock in consistent running costs. Without that, the reliance on public charging often reduced or removed the savings altogether.
Lower fast-charging costs weaken that dependency. EV ownership is no longer limited to households with ideal setups. Drivers who rely on street parking, shared buildings, or rental properties now have a clearer path to making the numbers work.
This is particularly relevant in urban areas, where a large share of households do not have access to private charging. In cities, the barrier has never been interest in EVs, but the practicality of running one day to day. Public charging becoming more cost-competitive addresses that directly.
It also expands the potential market. Instead of EVs being viable only under specific conditions, they become a more general option across different living situations. That has flow-on effects for demand, infrastructure planning, and how quickly EV adoption can scale beyond early adopters.
The real-world cost comparison
For EVs using public fast charging, costs typically fall between $6.75 and $10.80 per 100km, depending on the charger price and vehicle efficiency. Even at the higher end of that range, it remains competitive under current fuel conditions.
By comparison, a petrol vehicle using around 8 to 10 litres per 100km at $2.20 to $2.50 per litre will cost roughly $18 to $25 per 100km. Less efficient vehicles sit even higher, particularly in stop-start urban driving.
The difference becomes more noticeable over time. A driver covering 15,000km per year could spend around:
- $1,000 to $1,600 using fast charging
- $2,700 to $3,700 using petrol
That gap widens further for higher mileage drivers or during periods of fuel price spikes.
It’s also important to look at where fast charging fits in real use. Most drivers don’t rely on it for every charge. Instead, it’s used for top-ups, longer trips, or when home charging isn’t available. As costs come down, those use cases become less of a financial compromise and more of a viable default.
Home charging still delivers the lowest running costs overall. But the key point is that even without it, EVs are no longer at a clear disadvantage on a cost-per-kilometre basis.
What still hasn’t been solved
Lower costs improve the equation, but they don’t fix everything.
Availability is still uneven
- Stronger coverage in metro areas and major highways
- Gaps remain in regional and lower-density locations
Access can be inconsistent
- Chargers may be occupied during peak times
- Queues still occur at busy fast-charging sites
- Adds time cost compared to quick refuelling
Pricing isn’t fully standardised
- Rates vary by network, speed, and location
- Not all chargers follow the same pricing structure
- Drivers often need multiple apps or accounts
Infrastructure is still catching up
- Limited kerbside/on-street charging in many areas
- Not all neighbourhoods have nearby reliable chargers
- Convenience depends heavily on location
Home charging still leads on simplicity and cost
- Most consistent experience
- Lowest cost per kilometre
- Public charging is improving, but not yet equivalent
The key shift is cost. The remaining challenges are now more about access, consistency, and convenience than price alone.
What this unlocks next
The most immediate impact is who can realistically consider an EV. Drivers without access to home charging, particularly renters and those in apartments, are no longer ruled out on cost alone. That shifts EV ownership from being conditional to being broadly accessible across more typical living situations.
That change feeds directly into demand. As more drivers see EVs as financially viable, reliance on public charging will increase, particularly in urban areas. Fast-charging networks are no longer just supporting long-distance travel, they are becoming part of everyday use for a larger share of drivers.
This creates pressure on infrastructure. More consistent usage means higher expectations around availability, uptime, and location coverage. Areas that already have strong charger density will need to expand further, while gaps in suburban and regional locations become more visible.
It also introduces stronger competition between charging providers. As pricing becomes more visible and comparable, networks have less room to operate with wide price variation. Over time, this can push pricing toward more stable and competitive levels.
The constraint shifts. Cost is becoming less of a limiting factor. What matters next is whether infrastructure can scale quickly enough to support a broader, more mainstream EV market.
The barrier is no longer cost
Public charging was never just a pricing issue. It defined who EVs worked for.
For years, the cost and inconsistency of fast charging have limited EV ownership to drivers with the right setup at home. That’s what kept the market narrow. Not interest, not awareness, but practicality.
That boundary is starting to shift. As fast-charging costs move closer to petrol, the financial penalty for relying on public infrastructure is no longer as clear-cut. EV ownership is becoming less dependent on where you live and how you park.
What follows is less about price and more about access. The next phase of adoption will depend on how reliably drivers can charge when they need to, not whether they can afford to.
Energy Matters has been in the solar industry since 2005 and has helped over 40,000 Australian households in their journey to energy independence.
Complete our quick Solar Quote Quiz to receive up to 3 FREE solar quotes from trusted local installers – it’ll only take you a few minutes and is completely obligation-free.
