Idle fees are separate from electricity and parking
An idle fee can start when charging ends, even if the battery is not full. Check the operator’s definition of session completion and the selected location’s terms. A car park’s parking charge may continue independently. The comparison below was reviewed on 15 October 2026; it is not a live feed.
Published operator rules
| Operator | Rate and cap | Grace period and location conditions | Source |
|---|---|---|---|
| SP Mobility | S$0.50/min; maximum S$40/session | 30 minutes. From 5 Sep 2026: 10am–10pm at applicable sites; petrol stations all day. Announcement includes HDB sites; confirm the app’s location indicator. | 31 August 2026 update |
| Shell Recharge | S$0.50/min; maximum S$40/session | 15 minutes at Shell stations; 30 minutes at other applicable chargers. Published FAQ excludes HDB car parks and condominiums; applicable fees run 24/7. | Official idle-fee FAQ |
| Other networks | Not independently verified in this review | Do not assume another operator uses either policy above. Read its app and the selected charger’s terms. | Check the operator directly. |
An illustrative idle-fee calculation
If an applicable charger has a 30-minute grace period and charges S$0.50 per minute, remaining plugged in for 40 minutes after completion would create 10 chargeable minutes, or S$5, before any applicable rounding or other conditions. This assumes those minutes fall inside the fee window; it is not a billing quote.
An overnight stop needs extra care when an operator’s charging window resumes in the morning. Use the operator’s own worked example to understand whether an earlier grace period has already elapsed.
Before leaving the charging bay
- Check the session-complete message rather than relying only on the battery percentage.
- Enable operator notifications and keep your phone reachable.
- Set your own reminder; disabled notifications do not suspend a fee.
- Return, end the session and unplug according to the instructions.
- Move the car out of the charging bay, and keep the receipt if you need support.
Continue with total charging-stop costs and charging app preparation.