Several of the most popular electric cars in the UK accept up to 11 kW AC charging, including the Tesla Model 3, Tesla Model Y, BMW i4, Hyundai Ioniq 5, Kia EV6, and the Volkswagen ID family. The critical caveat: 11 kW AC requires a three-phase electricity supply, which the vast majority of UK homes do not have. On a standard single-phase UK home, even these cars are limited to 7.4 kW.
For a full explanation of how charging speed works and why these limits apply, see our home EV charging speed guide.
What 11 kW AC charging actually means
AC (alternating current) is the type of electricity that comes from your home’s wall socket. When you charge at home via a Type 2 connector, you are using AC. Your car’s onboard charger (OBC) converts that AC into DC (direct current) to store in the battery.
11 kW AC charging means the OBC can accept up to 11 kW of power. In practical electrical terms, 11 kW on a three-phase supply equals 16 amps across each of three phases at 400 volts. This sits in the middle ground between standard 7 kW single-phase charging and full 22 kW three-phase.
Why does this matter? Because 11 kW is not available on a single-phase supply. The UK domestic single-phase ceiling is around 7.4 kW (32 A at 230 V). If your home is single-phase, which covers approximately 95% of UK properties, you will charge at 7.4 kW regardless of whether your car accepts 11 kW.
Three-phase is the only way to unlock 11 kW at home. It is common in commercial buildings, some new-build estates, and properties with a specific three-phase upgrade, but it is not the UK domestic standard.
UK EVs that accept 11 kW AC charging (full list)
The following EVs have onboard chargers rated at 11 kW on three-phase. On a UK single-phase supply, they charge at a maximum of 7.4 kW. Verify against your specific model year and trim on the manufacturer’s UK spec sheet, since OBC ratings can vary between trim levels.
| Model | AC max (three-phase) | Single-phase max | Notes |
|---|---|---|---|
| Tesla Model 3 | 11 kW | 7.4 kW | All current UK trims |
| Tesla Model Y | 11 kW | 7.4 kW | Long Range and Performance confirmed |
| Hyundai Ioniq 5 | 11 kW | 7.4 kW | Standard on UK models |
| Kia EV6 | 11 kW | 7.4 kW | Standard on UK models |
| BMW i3 | 11 kW | 7.4 kW | All trims |
| BMW i4 | 11 kW | 7.4 kW | All trims |
| Volkswagen ID.3 | 11 kW | 7.4 kW | Standard UK spec |
| Volkswagen ID.4 | 11 kW | 7.4 kW | Standard UK spec |
| Volkswagen ID.5 | 11 kW | 7.4 kW | Standard UK spec |
| Polestar 2 | 11 kW | 7.4 kW | Standard |
| Ford Mustang Mach-E | 10.5–11 kW | 7.4 kW | Verify by trim |
| Audi Q4 e-tron | 11 kW | 7.4 kW | Standard; 22 kW optional on some trims |
| Audi e-tron / e-tron GT | 11 kW | 7.4 kW | 22 kW optional on premium trims |
| Mercedes-Benz EQC | 11 kW | 7.4 kW | Standard |
| Mercedes-Benz EQS / EQE | 11 kW | 7.4 kW | 22 kW optional on some trims |
| Porsche Taycan | 11 kW (22 kW optional) | 7.4 kW | 22 kW available as an option |
To find EVs that support full 22 kW AC charging, the list is considerably shorter. Most mainstream cars cap at 11 kW even on three-phase.
EVs that cap at 7.4 kW and will not benefit from 11 kW
Not every EV can use 11 kW even on three-phase. If your car’s OBC tops out at 7.4 kW or lower, there is no benefit to installing a higher-rated charger or upgrading your supply.
| Model | AC maximum | Note |
|---|---|---|
| Nissan Leaf (ZE0, ZE1) | 6.6 kW | Does not benefit from 7.4 kW+ chargers either |
| MG4 (entry trims) | 6.6 kW | Verify on UK spec sheet by trim |
| Most plug-in hybrids (PHEVs) | 3.6 kW | Small OBCs are standard across the category |
| Older Renault Zoe (single-phase OBC) | 7.4 kW | Later ZE50 trims with Q-OBC support 22 kW |
If your car is in this group, a standard 7.4 kW smart charger is the correct choice. There is no charging speed benefit from spending on anything higher-rated.
Do you need an 11 kW charger at home?
The honest answer for most UK buyers: no. Here is why.
Around 95% of UK homes are on a single-phase supply. On single-phase, even a Tesla Model Y with its 11 kW OBC charges at 7.4 kW. The car’s capability is irrelevant without the supply to back it up.
If you want to access 11 kW at home, you need a three-phase supply. A three-phase upgrade from a UK Distribution Network Operator (DNO) typically costs between £3,000 and £7,000 if the three-phase main is nearby, and significantly more if the local network requires reinforcement. For a single-EV household covering typical UK daily mileage, this investment is difficult to justify. The financial payback period at typical electricity rates is very long.
The scenarios where an 11 kW home setup does make sense:
- You already have three-phase at your property, in which case an 11 kW or 22 kW charger is simply the right choice at installation.
- You are running two EVs simultaneously and need faster overnight turnaround for both.
- You are doing a whole-home energy upgrade combining solar, a heat pump, and EV charging, where the three-phase infrastructure serves multiple purposes.
For three-phase home charging explained in full, including costs, DNO requirements, and a decision framework, see our dedicated guide.
If you do have three-phase, which charger should you choose?
If you have confirmed three-phase supply at your property, you can access 11 kW or 22 kW home charging with the right charger. Several mainstream home chargers offer three-phase variants:
- Andersen A2 — available in a 22 kW three-phase variant; Andersen A2 (11 kW or 22 kW three-phase) review covers the full specs
- Wallbox Pulsar Max — 22 kW three-phase version available alongside the standard 7.4 kW unit
- Rolec EVO — 22 kW three-phase variant in the range
- EO Mini Pro 3 — 22 kW three-phase available
On a three-phase supply with an 11 kW OBC car (Tesla, BMW, Ioniq 5, EV6, VW ID family), a 22 kW charger will deliver 11 kW, because the car’s OBC is the binding limit. If you have a Renault Zoe R135 with Q-OBC or a BYD Atto 3, a 22 kW three-phase charger would deliver the full 22 kW.
Compare 7 kW and 22 kW home EV chargers to see specs and pricing across the full range.
Will future EVs default to 11 kW AC?
There is a clear trend in recent EV launches towards standardising on 11 kW OBCs. The 2024 to 2026 generation of mainstream electric cars from most major manufacturers includes 11 kW as standard or across most trims. This means the AC charging speed gap between a standard 7 kW charger and an 11 kW charger is growing more relevant over time, even if the supply constraint still limits most UK homes to 7.4 kW.
The practical implication: if you are building or significantly renovating a property, future-proofing with three-phase supply is increasingly worth considering, given the direction of the car market. For existing homes on single-phase, the calculus is different and the upgrade cost still dominates.
Key Takeaways
- 11 kW AC charging requires a three-phase electricity supply, which around 95% of UK homes do not have
- On a standard UK single-phase home, even cars with an 11 kW OBC charge at a maximum of 7.4 kW
- Tesla Model 3 and Y, BMW i4, Kia EV6, Hyundai Ioniq 5, and the VW ID family all accept 11 kW on three-phase
- A three-phase supply upgrade typically costs £3,000 or more; the payback period for most single-EV homes is very long
- If your car caps at 6.6 kW or 7.4 kW, a standard 7 kW home charger is the right and only choice
Frequently Asked Questions
Can I charge at 11 kW at home in the UK?
Only if you have a three-phase electricity supply. On a standard UK single-phase connection, the maximum you can draw for EV charging is 7.4 kW, regardless of your car’s OBC or which charger you install. Most UK homes are single-phase, so most UK home chargers deliver a maximum of 7.4 kW.
Does the Tesla Model Y charge at 11 kW?
Yes, on a three-phase supply. The Long Range and Performance Model Y have an 11 kW OBC. On a standard single-phase UK home, the same car charges at 7.4 kW. The car’s OBC cannot extract more from a single-phase supply than the supply can deliver.
Is 11 kW charging bad for the battery?
No. AC charging at 11 kW is still mild compared with DC rapid charging. Your car’s battery management system (BMS) monitors the process throughout and regulates current to keep the battery within safe thermal and voltage limits. The wear from home AC charging, at any rate up to 22 kW, is very low.
How much faster is 11 kW than 7 kW?
In practical terms, 11 kW is about 40 to 50% faster in miles-per-hour terms. A typical EV at 7 kW adds roughly 25 to 30 miles per hour; at 11 kW it adds 35 to 40 miles per hour. For most overnight charging situations, this difference rarely matters; the extra speed only becomes relevant if you need to charge and go during the day.
Can an 11 kW charger damage an EV that only accepts 7 kW?
No. The car and the charger negotiate the rate automatically using the IEC 61851 communication protocol. The car always draws only as much power as its OBC is rated for, regardless of what the charger is capable of delivering. Buying a higher-rated charger than your car can use is wasteful but never harmful.
Useful Resources
Tesla Support UK — Onboard Charger https://www.tesla.com/en_gb/support/charging/onboard-charger
EVspecs — Electric Cars AC Charging Comparison https://www.evspecs.org/electric-cars-ac-charging-comparison
EVA England — Types of EV Chargers https://www.evaengland.org.uk/ev-guide/about-charging/types-of-ev-chargers/