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Cost to Charge a Tesla and Other Popular EVs in 2026: Home vs Supercharger, by Country

Charging a Tesla Model 3 from 10% to 80% costs about £3.36 on an overnight tariff in Britain and close to €24 at a German Supercharger in peak hours. Same 42 kilowatt-hours, same car, a sevenfold spread — and the only thing that changed was where and when the driver plugged in.

By Petra Halvorsen, Energy & E-Mobility Cost Analyst · Published 17 June 2026 · Prices current to Q2 2026


"How much does it cost to charge a Tesla" is one of the most-searched EV questions, and almost every answer to it is wrong, because it quotes a single number. There is no single number. The cost of putting energy into an electric car in 2026 depends on the car's efficiency, the size of the top-up, the country you are in, whether you charged at home or at a fast charger, and, increasingly, the exact hour of the day. The honest version of the answer is a range, and the useful version explains where in that range you are likely to sit.

This piece builds the answer from the car outward. It starts with the Tesla Model 3 as a fixed reference point, works out what one charge costs at home and on a Supercharger across four markets, then widens to the Model Y and eight other popular EVs so you can find the car you actually drive. Every figure is calculated from sourced unit prices and published battery specs, and the assumptions are laid out so you can redo the sum for your own tariff.

The anchor: one car, one charge

Fix the car first: a 2026 Tesla Model 3 RWD carries a 60 kWh usable battery and, on EV Database's real-world benchmark, uses 13.3 kWh per 100 km — about 4.7 miles per kWh, which makes it one of the most efficient mainstream EVs on sale [1][22]. Its real-world range lands near 280 miles, well short of the lab figure but honest about a mix of motorway and town driving [1].

Now fix the charge. Public fast charging, and most home charging advice, centres on the 10–80% window: below 10% you risk being stranded, and above 80% a fast charger slows to a crawl to protect the cells. For the Model 3, 10–80% is 70% of 60 kWh, or 42 kWh delivered. That is the unit I will price everywhere below, because it is the charge people actually do. A full 0–100% adds another 18 kWh and is worth doing at home before a long trip, but rarely at a fast charger.

With those two numbers fixed, the cost of a charge becomes a single multiplication: 42 kWh times the price per kWh wherever you are standing. The rest of this article is that multiplication, done honestly, in the places EV drivers actually charge.

What a charge costs at home, by country

Home is where most charging happens. The IEA's read is that EV owners charge privately, at home or work, around three-quarters of the time and use public fast chargers only about a tenth of the time [32]. So the home number is the one that dominates a real annual bill, and it varies enormously by country because residential electricity does.

At the UK price cap of 26.11p per kWh for the third quarter of 2026, a 42 kWh charge of the Model 3 costs about £10.97 [8]. Move that charge onto Octopus's Intelligent Octopus Go overnight rate of 8p per kWh and it drops to £3.36 [9]. In the US, at the EIA's average residential price of 18.56 cents per kWh, the same charge is about $7.80 [7]. In France, on EDF's regulated Tarif Bleu of €0.194 per kWh, it is roughly €8.15 [28]. In Germany, where households pay around €0.396 per kWh, it climbs to about €16.63 [10][11]. The German home charge costs nearly five times the British off-peak one for identical energy into an identical car, which is the single clearest illustration of how much geography, not the vehicle, sets the bill.

Units
£19.58A full charge at home0→100% of a 75 kWh battery at home. Public: £59.25.
£10.2Cost per 100 milesBlended home + public electricity.
£84.99Electricity per month
£1,020Electricity per year£581 at home · £439 public

Home electricity price: £0.26 · Blended home + public electricity. £0.37 per kWh

How we calculate this

Cost per 100 miles = EV efficiency × Home electricity price. Calculator

The lesson for a Model 3 owner is blunt: your fuel cost is decided less by Tesla than by your electricity contract. A British driver who never moves off the standard cap rate pays triple what the same driver would pay on a smart overnight tariff, and that gap is entirely within their control.

Home versus Supercharger, country by country

Tesla's Supercharger network is the reason the brand is shorthand for easy charging, and its pricing has its own logic, separate from home electricity. Superchargers use dynamic, per-site pricing that moves with local energy costs and time of day, and Tesla now sells a membership — €9.99 a month or €100 a year in Europe, $12.99 a month in the US — that unlocks lower per-kWh rates for both Tesla and non-Tesla drivers [29][5].

Across Europe, the headline Tesla-driver rate runs around €0.45 per kWh off-peak and €0.57 at peak, with the full span stretching from roughly €0.23 in low-cost markets to €0.80 at peak in Switzerland [4]. The per-country detail is where it gets interesting, and where I have to flag the data: ChargeViz publishes country-level rates inside an interactive chart that cannot be read as plain text, so the figures below are indicative ranges drawn from it and from Electrek's reporting of the April 2026 restructure, not exact quotes [4][5]. With that caveat, a 42 kWh Supercharge of the Model 3 costs roughly €16.80 in Germany at a member rate, about €14.70 in France, and as little as €10.08 in the Netherlands.

Home electricity vs Tesla Supercharger price, eurozone (2026, € per kWh) (€/kWh)
Home electricityTesla SuperchargerGermany0.3960.4France0.1940.35Netherlands0.270.24
Supercharger figures are indicative Tesla-driver rates; the Netherlands' Supercharger price sits below its home rate. Home from BDEW/Eurostat and EDF [10][11][28]; Supercharger from ChargeViz/Electrek [4][5].

The Dutch number is the one that stops you. In the Netherlands, a Tesla Supercharge can cost less per kWh than charging at home, because Dutch home electricity is comparatively dear and Tesla has priced its Dutch network aggressively [4][11]. That inversion is rare and worth knowing: in most countries the Supercharger costs between 1.5 and 2.5 times the home rate, but the Netherlands shows the gap is not a law of nature, only the usual outcome of how the two markets happen to be priced. For a Dutch Model 3 owner, the convenient option and the cheap option are, unusually, the same.

The British outlier

Britain deserves its own section, because it breaks the pattern in the opposite direction to the Netherlands, and because so many of the people searching this question are in the UK.

The UK does not yet have Tesla's full membership-rate rollout, and its public fast charging is among the most expensive in Europe. The weighted-average public rapid price tracked by Zapmap sits at about 79p per kWh, which turns a 42 kWh Model 3 charge into roughly £33.18 at a typical rapid charger [25]. Tesla's own UK Superchargers undercut that, but only to an indicative band around 45–55p per kWh, so call it about £21 a charge and treat it as approximate until Tesla publishes a firm UK figure [4]. Against the British home off-peak charge of £3.36, the most expensive public option costs nearly ten times as much for the same electricity.

Tesla Model 3, one 10–80% charge (42 kWh): four ways to pay, UK (2026, £) (£ per charge)
Home, off-peak (8p)3.36Home, price cap (26p)10.97Supercharger (~50p, indicative)21Public rapid (79p)33.18
Same 42 kWh into the same car. Off-peak and cap rates from Ofgem/Octopus [8][9]; public rapid 79p/kWh from Zapmap [25]; Supercharger band is indicative [4].

That four-way spread, all in one country and one car, is the whole story of EV charging cost in a single picture. The cheapest way to charge a Model 3 in Britain and the most expensive way differ by a factor of ten, and both are available to the same driver in the same week. Public charging carries 20% VAT in the UK against 5% on domestic electricity, which builds part of the gap into law, and the rest is the cost of running a rapid network at motorway service areas where land, grid connections and demand are all expensive. A British EV owner with a driveway lives at the bottom of that chart; one without lives near the top, and the social split between the two is the uncomfortable subtext of UK charging economics.

America after the credit

The US picture changed in a way that has nothing to do with charging and everything to do with the wider cost of going electric. The federal Clean Vehicle Credit of up to $7,500 expired on 30 September 2025 under the One Big Beautiful Bill Act [31], and the effect on demand was immediate: Cox Automotive put EV share at 5.8% of new-vehicle sales in the first quarter of 2026, down from a 10.6% peak in the third quarter of 2025, attributing the fall directly to the end of incentives [30]. Charging cost did not change, but the maths of buying the car did, which makes the running-cost question sharper for American buyers weighing a purchase without the subsidy.

On charging itself, the US is mid-priced. Home charging at the EIA's 18.56 cents per kWh makes a Model 3 charge about $7.80 [7]. Tesla's US Superchargers average roughly $0.45 per kWh as a planning figure, with real prices ranging from the high-$0.20s at quiet sites to $0.60 and above in peak hours and costly markets, so a 42 kWh Supercharge is commonly around $18.90 but can swing either side [6]. On the EPA's rating the Model 3 uses about 24 kWh per 100 miles, so 100 miles of home driving costs roughly $4.45, against about $10.80 on an average Supercharge [3][7]. The American version of the home-versus-public gap is narrower than Britain's, because US home electricity is cheaper relative to public charging, but the direction is the same: home wins, and it wins comfortably.

The Model Y, Tesla's volume car

The Model 3 anchors the maths, but the Model Y outsells it and is the Tesla most people actually charge, so it deserves its own numbers. The 2026 Model Y Long Range carries about 74 kWh of usable battery and uses roughly 15.8 kWh per 100 km — efficient for a crossover, but thirstier than the Model 3 because it is taller, heavier and less slippery through the air [2]. A 10–80% charge therefore delivers about 52 kWh, costing around £13.52 at the UK price cap, £4.14 on an 8p overnight rate, or close to $9.65 at the US home price [8][9][7].

Per mile, the Model Y costs about £6.64 per 100 miles at the UK cap against the Model 3's £5.59, a difference of roughly a pound per 100 miles that compounds to perhaps £100 a year for an average driver [2][8]. On a Supercharger the same efficiency penalty applies: a Model Y top-up buys fewer miles per euro than a Model 3 top-up at the identical price per kWh. None of this makes the Model Y expensive to run, since it still costs a fraction of a petrol SUV per mile, but it is a useful reminder that within a single brand the body style sets the bill as surely as the badge does.

The Model 3 is efficient, which flatters its charging cost. Most EVs use more energy per mile, so their charges cost more even at the same price per kWh. The table below prices a home charge and 100 miles of driving for ten of the most popular 2026 models at the UK cap rate, using each car's real-world efficiency from EV Database [1][2][12][13][14][15][16][21].

Popular 2026 EVs: what a home charge and 100 miles cost (UK price cap)
EV model (2026)Usable batteryReal-world efficiencyHome charge 10–80%Per 100 mi (home)
Tesla Model 3 RWD60 kWh13.3 kWh/100km (4.7 mi/kWh)£10.97£5.59
Renault 5 E-Tech52 kWh15.5 kWh/100km (4.0 mi/kWh)£9.50£6.51
Tesla Model Y LR74 kWh15.8 kWh/100km (3.9 mi/kWh)£13.52£6.64
Nissan Leaf (75)75 kWh16.3 kWh/100km (3.8 mi/kWh)£13.73£6.85
MG4 Long Range62 kWh17.1 kWh/100km (3.6 mi/kWh)£11.28£7.19
VW ID.4 Pro77 kWh17.3 kWh/100km (3.6 mi/kWh)£14.07£7.27
Hyundai Ioniq 5 (84)80 kWh17.8 kWh/100km (3.5 mi/kWh)£14.62£7.48
Kia EV6 Long Range80 kWh18.2 kWh/100km (3.4 mi/kWh)£14.62£7.64
Our calculation. Usable battery and efficiency from EV Database [1][2][12][13][14][15][16][21]; home charge = 70% of usable capacity (a 10–80% session) at the Ofgem cap of 26.11p/kWh [8]; cost per 100 miles uses each model's real-world efficiency. On a smart 8p tariff [9], divide the charge and per-100-mile figures by roughly 3.3.

Two patterns run through it. First, efficiency matters as much as battery size for the cost of a charge and far more for the cost of a mile: the Model 3 and the little Renault 5 are the cheapest to drive 100 miles despite very different battery sizes, because both sip energy at around 15 kWh per 100 km or better [1][15]. The thirstier crossovers — the Ioniq 5 and EV6, both fine cars — cost roughly a third more per mile than the Model 3 for the same electricity [12][14]. Second, the charge cost scales with battery: an 80 kWh Ioniq 5 needs about £14.62 for a 10–80% top-up at the cap, against £9.50 for the 52 kWh Renault 5, simply because there is more energy to buy [12][15].

Home-charging cost per 100 miles, popular EVs (UK price cap, 2026) (£/100 mi)
Tesla Model 35.59Renault 56.51Tesla Model Y6.64Nissan Leaf6.85MG47.19VW ID.47.27Hyundai Ioniq 57.48Kia EV67.64
At the Ofgem cap (26.11p/kWh) and each model's real-world efficiency. Our calculation; efficiency from EV Database [1][2][12][13][14][15][16][21].

American buyers can read the same logic off the EPA window sticker. The Ford Mustang Mach-E and Chevrolet Equinox EV both rate around 31 kWh per 100 miles, so at the US residential price they cost roughly $5.75 to drive 100 miles at home, against about $4.45 for the more efficient Model 3 [19][20][7]. The model you choose sets a floor under your charging cost that no tariff can fully undo, which is why efficiency, not just range, belongs on the shopping list.

Beyond Tesla: the cheap, the thirsty and the American

The model table leads with the mainstream, but the edges are instructive. At the value end, the BYD Seal, an 82.5 kWh saloon that has become one of Europe's best-selling Chinese EVs, uses about 17.2 kWh per 100 km, so a 10–80% home charge runs near £15.08 at the UK cap and 100 miles costs about £7.22 [17][8]. The Volvo EX30, a small and genuinely efficient crossover at 65 kWh and 17.8 kWh per 100 km, charges 10–80% for around £11.88 and costs £7.48 per 100 miles [18]. Neither is as cheap to run as the Model 3, yet both sit well inside the band where home charging is a fraction of petrol's per-mile cost.

American crossovers are thirstier, which their EPA stickers make plain. The Ford Mustang Mach-E and Chevrolet Equinox EV both rate around 31 kWh per 100 miles [19][20]. At the US home price that is roughly $5.75 per 100 miles, still comfortably under a comparable petrol SUV, but about 30% more energy per mile than the Model 3 draws. The rule holds across the market: the heavier and faster the EV, the more its charging cost creeps up, and no tariff erases the difference the car's own efficiency sets.

A year of charging, not just one charge

One charge is a useful unit, but a year is what reaches the bank account, so it is worth scaling up. Take a Model 3 owner driving 10,000 miles a year, which at 4.7 miles per kWh means about 2,130 kWh of energy [1]. The annual home-charging bill then depends almost entirely on the tariff and the country.

On a UK smart overnight rate of 8p, that year of driving costs roughly £170 [9]. At the standard UK price cap it is about £556 [8]. A US owner at the average residential rate pays around $395 [7]; a French owner on the regulated tariff about €413 [28]; a German owner around €843, because German home electricity is the dearest of the group [10][11]. Now picture the driver with no home charger, doing the same miles entirely on UK public rapid chargers at 79p: the annual bill leaps to roughly £1,680, nearly ten times the off-peak figure and more than a frugal diesel would burn [25].

That spread, from £170 to £1,680 a year for identical mileage in one car, is the practical reason the home-charging question dominates EV economics. The vehicle sets a floor on the energy used; the tariff, the country and access to a home socket decide nearly everything above it.

Why the same kWh costs so different

Four forces explain almost all of the variation, and naming them helps you predict your own cost rather than memorise a table.

The first is tax. The UK's choice to levy 20% VAT on public charging against 5% at home bakes a permanent premium into every motorway stop, and national energy taxes swing home prices across Europe by more than the wholesale cost of the power itself. The second is the energy mix behind each grid: France's nuclear fleet and Norway's hydropower produce structurally cheap electricity, while gas-exposed markets run dearer and more volatile. The third is the operator's business model. A home socket is just retail electricity; a Supercharger or a Fastned site has to recover hardware, a grid connection, payment systems and a margin, which is why public fast charging sits well above home rates almost everywhere — Fastned's German ad-hoc rate is €0.69 per kWh, IONITY's is in the same territory, and EnBW's roaming band runs to €0.89 [24][23][27]. The fourth is membership: nearly every network now sells a subscription that cuts the per-kWh rate, and for a regular fast-charger it usually pays for itself within a couple of sessions [5][23].

Put those together and the price you pay is predictable. Home, off-peak, in a low-tax or low-cost market is the floor. Public, ad-hoc, at peak, in a high-VAT market is the ceiling. Everything else sits in between, and you can usually choose where.

The hour of the day is becoming a price

Charging cost used to be a flat per-kWh number. It is turning into a schedule. The cheapest home tariffs already price the overnight hours far below the daytime: Octopus's Intelligent Octopus Go drops to 8p per kWh in a smart overnight window and manages the charge automatically, against a standard cap rate of 26.11p [9][8]. Tesla built the same logic into its network, with off-peak Supercharger rates that sit meaningfully below peak, and the April 2026 European restructure pushed members toward those quieter hours by widening the gap [5]. German operators have moved the same way, with EnBW and Aral pricing members below ad-hoc users and a slice of the ultra-rapid network shifting to dynamic prices that fall when demand is low [27].

For a driver who can be flexible this is good news, because it rewards moving charging to cheap hours that an EV, parked and asleep, is perfectly placed to use. For a driver who cannot, the flat-dweller relying on daytime public charging, it widens the gap further, because the convenient hours are also the dear ones. Time-of-use pricing is, in effect, a second axis of the same divide that runs through every figure in this article: the people who can charge cheaply are increasingly the people who could already charge at home.

Charging on the road, and at work

A real year mixes charging locations, and the IEA's behavioural data shows the split: EV owners charge privately, at home or work, around three-quarters of the time and use public fast chargers only about a tenth of it [32]. The figures so far assume you control where you plug in. That split is why the home rate dominates an annual bill even though the Supercharger number grabs the attention.

Two underused options sit between the cheap home charge and the expensive rapid. Workplace charging, where an employer offers it, is often free or near cost and can cover a commute without touching the home meter. And destination AC charging — the slower chargers at hotels, supermarkets and restaurants — usually costs far less per kWh than a motorway rapid, because there is no premium for speed, and it tops the car up while you would have been parked anyway. Planning a long trip around an overnight destination charger rather than a mid-journey rapid can halve the public share of the bill. The trap to avoid is the opposite: arriving at a motorway services near empty, with no subscription, paying ad-hoc peak rates for a charge you needed in a hurry, which is the single most expensive way to fuel an EV and almost always avoidable [5][23].

How to pay less

The levers are few and they work. If you can charge at home, a dedicated EV tariff is the largest single saving available: the UK gap between the standard cap and an 8p overnight rate is more than a factor of three, and it turns the Model 3's charge from £10.97 to £3.36 [8][9]. If you rely on public charging, match one network subscription to your usual route; the per-session saving against ad-hoc rates is real and quick to recoup [5][23]. On long trips, an AC destination charger at a hotel or restaurant is far cheaper per kWh than a motorway rapid, and Tesla's own network is often cheaper than third-party rapids for non-members once you hold the membership. And before you buy, weigh efficiency alongside range, because a car that does 4.7 miles per kWh will cost a third less to run than one that does 3.4, every mile, for as long as you own it [1][14].

None of this is exotic. The drivers paying €24 for a charge that could have cost €3 are not unlucky; they are usually charging at the wrong place, at the wrong time, without a subscription, in a high-tax market. Fix the ones you can, and the Tesla — or the Renault, or the MG — settles into the cheap end of the range where electric cars were always meant to live.


Methodology & assumptions

Scope. The cost of one 10–80% charge and the cost per 100 miles for a Tesla Model 3 and Model Y plus eight other popular 2026 EVs, charged at home and at public fast chargers, across the UK, the eurozone and the US. Prices are 2026 and gross (including VAT/taxes).

Battery and efficiency. Usable capacities and real-world efficiency come from EV Database, whose "Real Range" is a real-world benchmark rather than WLTP [1][2][12][13][14][15][16][17][18][21][36]; US figures use the EPA rating from fueleconomy.gov [3][19][20]. A 10–80% charge delivers 70% of usable capacity. Charging losses (~10%) are not added to home figures and would raise them slightly.

Unit prices. Home: UK 26.11p/kWh (Ofgem cap, 1 Jul–30 Sep 2026) [8] and 8p off-peak (Octopus) [9]; US 18.56¢/kWh (EIA, March 2026) [7]; Germany ~€0.396/kWh (BDEW, cross-checked against Eurostat H2-2025) [10][11]; France €0.194/kWh (EDF Tarif Bleu) [28]; Netherlands ~€0.27/kWh [11]. Every per-charge and per-100-mile figure is our own calculation.

Flagged uncertainty. Tesla Supercharger pricing is dynamic and set per site; the per-country figures are indicative ranges, because ChargeViz publishes the detail in an interactive chart that cannot be fetched as text, and the April 2026 European restructure is sourced from Electrek [4][5]. The UK Tesla Supercharger figure is an indicative band; the verified UK public-rapid benchmark (79p/kWh, Zapmap) is shown alongside as the non-Tesla ceiling [25]. Currency conversions are approximate (June 2026: €1 ≈ £0.85 ≈ $1.08) and are avoided in the cost tables, which stay in native currency.


Frequently asked questions

How much does it cost to charge a Tesla Model 3? For a 10–80% charge (42 kWh): about £3.36 at home on an 8p overnight tariff, £10.97 at the UK price cap, $7.80 at the US average home rate, or roughly £21–£33 at a UK public fast charger [8][9][7][25]. The car barely matters; the price per kWh and the location do.

Is a Supercharger cheaper than charging at home? Almost never, with one notable exception. Across Europe a Supercharge typically costs 1.5–2.5 times the home rate, but in the Netherlands cheap Tesla pricing and dear home electricity can make the Supercharger the cheaper option [4][11].

How much does it cost to charge a Tesla Model Y? More than a Model 3, because the Model Y is larger and less efficient (15.8 kWh/100 km, 74 kWh usable). A 10–80% home charge at the UK cap is about £13.52, and 100 miles costs roughly £6.64 [2][8].

Which popular EV is cheapest to charge per mile? The efficient ones. The Tesla Model 3 and Renault 5 lead at roughly £5.59–£6.51 per 100 miles at the UK cap; thirstier crossovers like the Kia EV6 run nearer £7.64 for the same electricity [1][14][15].

Did the end of the US tax credit change charging costs? No. The $7,500 federal credit expired on 30 September 2025, which changed the cost of buying an EV, not charging one [31]. US EV sales fell to 5.8% of the market in Q1 2026 as a result [30], but home charging is still about $7.80 a charge for a Model 3.

Why is public charging in Britain so expensive? A mix of 20% VAT on public charging (against 5% at home) and the cost of building rapid networks at pace. The UK public rapid average is about 79p per kWh, near the top of the European range [25][16].


About the author

Petra Halvorsen is an Energy & E-Mobility Cost Analyst who analyses European retail power markets and electric-vehicle running costs for ChargeCostLab, reconciling regulator data, charging-operator tariffs and real-world consumption into figures drivers can act on. She takes no payment from carmakers, charging networks or energy suppliers, and every calculation here is reproducible from the cited primary sources.


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  31. US DOE Alternative Fuels Data Center — Clean Vehicle Credit (IRC 30D), available through 30 Sep 2025. https://afdc.energy.gov/laws/409
  32. International Energy Agency — Global EV Outlook 2026: electric vehicle charging. https://www.iea.org/reports/global-ev-outlook-2026/electric-vehicle-charging-chap-6-and-10
  33. International Energy Agency — Global EV Outlook 2026: executive summary. https://www.iea.org/reports/global-ev-outlook-2026/executive-summary
  34. SMMT — Two-millionth electric car registered as market rebounds from tax changes. https://www.smmt.co.uk/two-millionth-electric-car-registered-as-market-rebounds-strongly-from-tax-changes/
  35. ACEA — New car registrations, April 2026; BEV 19.7% YTD share. https://www.acea.auto/pc-registrations/new-car-registrations-4-2-in-april-2026-year-to-date-battery-electric-19-7-market-share/
  36. EV Database — Energy consumption of electric cars (real-world). https://ev-database.org/cheatsheet/energy-consumption-electric-car

© 2026 ChargeCostLab. Independent EV running-cost analysis. Figures reflect data available to Q2 2026 and will change as tariffs and exchange rates move. Informational, not financial advice. Last reviewed 17 June 2026.

Methodology & sourcing

Scope. The cost of one charge and the cost per 100 miles for a Tesla Model 3 and Model Y plus eight other popular 2026 EVs, charged at home and at public fast chargers, across the UK, the eurozone (Germany, France, the Netherlands) and the US. Prices are 2026 and gross (including VAT/taxes), because that is what a driver pays.

Battery and efficiency. Usable battery capacities and real-world efficiency come from EV Database, whose "Real Range" is a real-world benchmark, not the WLTP lab figure [1][2][12][13][14][15][16][17][18][21][36]; US figures use the EPA rating from fueleconomy.gov [3][19][20]. A 10–80% charge delivers 70% of usable capacity, the band fast charging is designed for. Charging losses of roughly 10% are not added to home figures and would raise them slightly.

Unit prices. Home electricity: UK 26.11p/kWh from the Ofgem cap for 1 Jul–30 Sep 2026 [8] and 8p/kWh off-peak from Octopus Intelligent Octopus Go [9]; US 18.56¢/kWh from EIA Electric Power Monthly, March 2026 [7]; Germany ~€0.396/kWh from BDEW [10] cross-checked against Eurostat H2-2025 [11]; France €0.194/kWh from EDF's regulated Tarif Bleu [28]; the Netherlands ~€0.27/kWh [11]. Every per-charge and per-100-mile figure is our own calculation from these inputs.

Flagged uncertainty. Tesla Supercharger pricing is dynamic and set per site; the per-country figures are indicative ranges, because ChargeViz publishes the country detail inside an interactive chart that cannot be fetched as text, and the European April-2026 restructure is sourced from Electrek [4][5]. UK Tesla Supercharger per-kWh is shown as an indicative band and the verified UK public-rapid benchmark (79p/kWh, Zapmap) is given alongside as the non-Tesla ceiling [25]. Currency conversions are approximate (June 2026: €1 ≈ £0.85 ≈ $1.08) and are avoided in the cost tables, which stay in native currency.