Yes. On some public networks the price per kWh changes with the time of day, so the same charger can cost more at 6 pm than at midnight. The charger has not changed; the tariff has. Not every network does this — many keep one flat price — so check the price shown in the app or on the unit before you start.
Key Takeaways
- Some public networks vary price by time of day; many keep one flat price.
- Peak prices reflect the operator’s peak electricity costs, demand charges and queues.
- The price shown in the app or on the unit before you start is the figure to plan around.
- Shifting a large top-up out of the peak window is the simplest way to pay less.
Why Operators Vary the Price
Time-varying pricing passes the operator’s costs and queues on to the driver:
- Electricity costs the operator more at peak times. Commercial tariffs charge more for energy used in busy hours, and many include a demand charge set by the site’s highest peak draw — a row of cars fast-charging at 6 pm sets that peak.
- Busy sites manage queues with price. A higher peak price nudges drivers who can wait toward quieter hours, keeping chargers free for drivers who cannot.
- Quiet hours need filling. A lower overnight price lets an underused site earn something instead of nothing.
Our explainer of how much EV charging stations charge covers the pricing models themselves. This article is about one layer on top of them: the price moving with the clock.
How Time-Varying Prices Show Up
| Pattern | What you see |
|---|---|
| Peak and off-peak windows | A higher per-kWh price in the busy window, a lower one outside it; the app lists the hours |
| Weekday vs weekend | Commuter sites may price weekday peaks higher, weekends lower — or the reverse at leisure destinations |
| Flat pricing | Many networks charge the same price all day; time of day changes nothing |
| Illustrative example only | 30 kWh at an example $0.50/kWh peak price costs $15.00; at an example $0.35/kWh off-peak price, $10.50 — same energy, different hour |
Those example prices are illustrations, not a quote from any network. Real prices differ by network and region — the live figure in front of you is the only one to plan around.
Not the Same as Other Price Differences
Three different things are easy to confuse:
- Time-varying pricing: the same charger, the same billing model, a different price by hour.
- The billing model — per kWh versus per minute versus a session fee — is a separate operator choice; it stays fixed while the price level moves.
- Speed and membership also move the price: DC fast charging costs more than Level 2 because the equipment costs far more; members often pay less than guests at the same hour.
At home the same logic runs in your favour: a time-of-use tariff prices overnight electricity lower, and smart scheduling on a time-of-use tariff is how home drivers collect that discount automatically.
Paying Less Without Changing Cars
- Check the live price before you start. If the app shows a peak price and your stop can wait, waiting often pays.
- Shift the big top-up, not the small one. A 10-minute splash at peak prices costs little; a near-full charge is where the peak rate bites.
- Use slow charging for long stays. If the car will sit for hours anyway, a Level 2 post in the same car park is usually gentler-priced than the fast charger.
- Compare memberships on your regular routes. If one network covers your routine stops, its member rate can beat shopping around — see whether EV charging prices will come down for the longer trend.
For Site Operators
Time-varying prices are set in software, not on the nameplate. A networked station such as the EVDANCE EV-AC03201T dual-connector AC station runs OCPP 1.6J, so prices can be set and scheduled through a management platform; the compact EVDANCE EV-RHDC30K-L DC fast charger connects the same way. Our commercial charging solutions page sets out the options.
Frequently Asked Questions
If the price changes while I am charging, which price do I pay?
On most networks the session is billed at the rate shown when it started. Policies differ, though — if your session straddles a price change, check the operator’s terms in the app.
Is this the same as rideshare surge pricing?
Similar idea, calmer execution: charging prices are usually published peak and off-peak windows, not prices that jump minute by minute with demand.
Does time-varying pricing apply at home too?
Only on a time-of-use tariff. A flat tariff charges the same price all day — the US average residential price is 18.31 cents/kWh (EIA) — while a time-of-use plan trades a higher peak price for a lower overnight one.
Related Reading
- How Much Do EV Charging Stations Charge? Pricing Models Explained
- Will EV Charging Prices Come Down?
- Do EV Charging Stations Cost Money? Free vs Paid Charging Explained
- Smart Charging and Time-of-Use Tariffs: How Scheduling Cuts EV Charging Costs
