--- title: "EV Charging Cost Calculator UK – £/Charge | DriveQuery" description: "Enter battery %, battery size and tariff to calculate £/charge, p/mile and annual EV charging cost. Compare home, EV tariff and public charging." canonical: "https://drivequery.com/en/tesla-charging-cost-calculator-uk/" language: "en-GB" content_signal: "search=yes, ai-input=yes, ai-train=yes, use=full" last_modified: "2026-08-30" ai_priority: "tier-1" primary_intent: "high-volume-ev-charging-cost" commercial_stage: "consideration" query_targets: "cost to charge an electric car; cost to charge electric car at home; cost to charge Tesla; how much does it cost to charge a Tesla; Tesla charging cost; EV charging cost calculator; Tesla Supercharger cost; Tesla Supercharger prices" image: "https://drivequery.com/assets/charging-history.webp" publisher: "DriveQuery" --- [Home](https://drivequery.com/en/) / [Guides](https://drivequery.com/en/guides/) / EV charging cost calculator EV charging cost · Tesla calculator · UK # How much will it cost to charge your electric car? Enter your battery size, start and target charge, then compare the same session at home, on an EV tariff or at a public charger. Get £/charge, grid kWh and p/mile before reading any guide. ## Quick answer: what does it cost to charge an EV at home? The core calculation is **energy added (kWh) × electricity price (£/kWh)**. For example, adding 50 kWh at 25p/kWh costs **£12.50** before any charger losses or tariff-specific adjustments. The exact cost to charge a Tesla depends on how much energy the battery needs, charging losses and the tariff at that time. DriveQuery's broader value is keeping charging sessions and price context together so a monthly total is based on actual charging activity rather than one generic “full battery” estimate. ## Questions this page answers - How much does it cost to charge an electric car in the UK? - How much does it cost to charge a Tesla at home? - How do I calculate EV charging cost from kWh and tariff price? - Is home charging cheaper than public or Supercharger charging? - How can I track Tesla charging cost over a month? ## Calculate one charge Start with the decision most drivers actually need: **what will this charge cost?** Enter usable battery capacity, current battery %, target %, charging losses, efficiency and the electricity price. The calculator returns: - battery energy added - grid energy including charging losses - **£ per charge** - **pence per mile** - approximate range added - a side-by-side home / EV-tariff vs public / Supercharger comparison ### Current UK EV-rate presets checked 28 August 2026 | Preset | Published discounted rate | Note | | --- | ---: | --- | | Ofgem benchmark | **26.11p/kWh** | GB average Direct Debit electricity unit rate under the price cap, 1 July–30 September 2026 | | E.ON Next Drive Smart | **6.9p/kWh** | Published EV off-peak rate | | EDF GoElectric | **6.99p/kWh** | Published EV off-peak rate | | Intelligent Octopus Go | **8p/kWh** | Published discounted rate; compatibility rules apply | | OVO Charge Anytime PAYG | **14p/kWh** | Smart-charging add-on rate | Official tariff pages: - E.ON Next Drive Smart: https://www.eonnext.com/tariffs/next-drive/smart - EDF GoElectric: https://www.edfenergy.com/electric-cars/ev-tariffs/goelectric - Intelligent Octopus Go: https://octopus.energy/smart/intelligent-octopus-go/ - OVO Charge Anytime: https://www.ovoenergy.com/terms/charge-anytime/add-on-plan-details For Tesla Supercharging, enter the current site price shown in the Tesla app or vehicle. Tesla says site prices and peak/off-peak periods can change. The public-rate field is therefore editable rather than treated as a national live price. ## Estimate annual home-charging cost The annual calculator below uses mileage, efficiency, charging losses, home-charging share and your own rates to compare charging-energy scenarios over a year. It deliberately excludes standing charges and the rest of the household bill. Ofgem benchmark**26.11p/kWh**GB average capped electricity unit rate, July–September 2026. 60 kWh example**£15.67**At 26.11p/kWh; the same 60 kWh is £4.80 at 8p/kWh. 8,000-mile example**~£520/year**Using the calculator defaults and 26.11p/kWh for home charging. ## 1. Your car and home charging [Guide: Tesla home charging in the UK →](https://drivequery.com/en/tesla-home-charging/) Miles driven per year miles Vehicle consumption Wh/mile Charging losses % Share charged at home % ## 2. Enter your tariff rates Use the actual unit rates you pay, including VAT. This calculator isolates EV charging energy. It does not include standing charges or the rest of your home's electricity use. Single-rate / standard tariff p/kWh Fixed off-peak EV rate p/kWh Dynamic tariff without optimisation p/kWh Optimised dynamic charging average p/kWh 26.11p/kWh is the Ofgem average capped electricity unit rate for Direct Debit customers in Great Britain for July–September 2026 and is only a benchmark. Ofgem benchmark checked 21 August 2026. Replace every field with rates relevant to your postcode and tariff. Estimated result Cheapest charging-energy scenario**—**per year Home charging**—**kWh/year Standard tariff**—**£/year Fixed EV rate**—**£/year Dynamic tariff**—**£/year Optimised dynamic**—**£/year Fixed EV rate vs standard**—** Extra dynamic optimisation**—** Optimised dynamic vs standard**—** This is an EV charging-energy comparison, not a whole-home tariff comparison. Peak/day rates, standing charges, smart-tariff eligibility and all other household electricity use can change which tariff is cheapest overall. New to EV charging? Start with the [**Tesla charging guide**](https://drivequery.com/en/tesla-charging/) for home charging, Superchargers, charging time and public charging. This page answers the broader cost question first, then lets Tesla owners model their own mileage, efficiency and tariff. ## How much does it cost to charge an electric car in the UK? There is no single UK charging price. For home charging, the basic calculation is simple: multiply the electricity taken from the grid by the unit rate you actually pay. A 60 kWh session costs £15.67 at 26.11p/kWh, or £4.80 at 8p/kWh. The real bill depends on your tariff, energy added and charging losses. The calculator above turns that same logic into an annual estimate. It uses mileage and efficiency to estimate driving energy, adds charging losses and then applies the share you expect to charge at home. Tesla owners can use the familiar Wh/mile inputs, while the underlying calculation is valid for any electric car. | Example electricity rate | 60 kWh from the grid | What it illustrates | | --- | --- | --- | | 8p/kWh | £4.80 | Low fixed off-peak EV-rate example | | 10p/kWh | £6.00 | Low optimised-average example | | 20p/kWh | £12.00 | Higher dynamic-average example | | 26.11p/kWh | £15.67 | Ofgem GB default-tariff benchmark, July–September 2026 | The 60 kWh figures are examples of energy taken from the grid, not claims about a particular Tesla battery size. The 26.11p/kWh benchmark is the Ofgem average electricity unit rate for Direct Debit customers on standard variable tariffs in England, Scotland and Wales for 1 July–30 September 2026. Your actual tariff may be very different. ## Electric car charging cost formula At its simplest, the calculation is: **Charging cost = electricity taken from the grid (kWh) × electricity price (£/kWh)** For annual driving, convert miles and Wh/mile into battery energy, allow for charging losses, then apply the percentage of charging that happens at home. The calculator does those steps automatically and lets you compare several electricity-rate scenarios. ### Example: 8,000 miles per year Using the calculator defaults — 8,000 miles, 280 Wh/mile, 10% charging losses and 80% of charging at home — the estimate is about **1,991 kWh of home electricity per year**. At 26.11p/kWh that is about **£520 per year**. At an 8p/kWh off-peak rate it is about **£159 per year**. The difference is not caused by the car. It comes from when and at what price the same charging energy is bought. This is why tariff choice and charging schedule can matter as much as the Tesla's efficiency. ## What does electric car charging cost per mile? Cost per mile is useful when comparing electricity rates or estimating EV running costs. As a Tesla-style example, a car consuming 280 Wh/mile at the battery with a 10% charging-loss assumption needs about 0.311 kWh from the grid per mile. | Electricity price | Approx. charging cost per mile | Approx. charging cost per 100 miles | | --- | --- | --- | | 8p/kWh | 2.5p | £2.49 | | 10p/kWh | 3.1p | £3.11 | | 20p/kWh | 6.2p | £6.22 | | 26.11p/kWh | 8.1p | £8.12 | Change the Wh/mile and charging-loss fields to match your own Tesla and driving conditions. Cold weather, speed, wheels, heating and short journeys can all change energy consumption. ## How much does a full electric car charge cost? A “full charge” does not have one fixed UK price. EV battery capacities differ, drivers rarely arrive at exactly 0%, and the electricity drawn from the grid is not identical to the energy stored in the battery because charging losses vary. A better estimate uses the **kWh actually taken from the grid**. For a 60 kWh session, the energy cost is £4.80 at 8p/kWh, £12.00 at 20p/kWh or £15.67 at 26.11p/kWh. Tesla owners can use [Tesla charging history](https://drivequery.com/en/tesla-charging-history/) to put real sessions into context instead of assuming every charge is 0–100%. ## Electric car charging cost: home, Supercharger or public charging? Charging cost depends on where the energy comes from. Home electricity, Tesla Supercharging and other public networks have different pricing models, so they should not be collapsed into one national £/kWh figure. ### Home charging At home, the relevant charging price is usually the electricity unit rate for the time when the car charges. A fixed EV tariff may offer a cheap overnight window. A dynamic tariff can vary by settlement period. See the [**Tesla home charging guide**](https://drivequery.com/en/tesla-home-charging/) for charger, power and installation considerations. ### Tesla Supercharger Supercharger prices can vary by site and time. Tesla shows current pricing for a selected Supercharger in the vehicle or Tesla app, so a generic web-page figure can become outdated quickly. For journey charging, use the price shown for the actual site and session. ### Other public charging networks Public-network prices are set by each operator and can depend on membership, roaming arrangements or payment method. If part of your annual mileage is charged away from home, reduce the “share charged at home” field rather than pretending all energy is bought at the home tariff. ## EV charging rates: p/kWh price vs kW charging speed **EV charging rate** can mean two different things. A rate in **p/kWh** is the electricity price and determines what the session costs. A rate in **kW** is charging power and influences how quickly energy can be added. | “Charging rate” meaning | Unit | What it tells you | Use this page for | | --- | --- | --- | --- | | Electricity price | p/kWh | How much each unit of charging energy costs | **Charging cost** | | Charging power | kW | How quickly energy can be delivered | [Charging time](https://drivequery.com/en/tesla-charging/#charging-time) | This calculator is about the **price rate**. For charging speed and time, see the [Tesla charging time guide](https://drivequery.com/en/tesla-charging/#charging-time) and the [home charging guide](https://drivequery.com/en/tesla-home-charging/). ## Why use miles and Wh/mile? Those are familiar UK driving units and match the efficiency format many Tesla drivers see. The calculator converts annual driving into battery energy, adds your charging-loss assumption and then applies the share you expect to charge at home. ## Why compare a fixed EV tariff and a dynamic tariff? They solve the problem differently. A fixed EV tariff can provide a predictable cheap overnight price without needing daily price optimisation. A dynamic tariff creates a second opportunity: the charging plan can select cheaper half-hours within the available charging window. A low advertised EV rate is not automatically the cheapest whole-home tariff. Day rates, standing charges, eligibility rules and the rest of the household's electricity consumption can outweigh the EV-only saving. Use this calculator to compare *charging energy*, then compare the complete tariff separately. ## Why is the standing charge excluded? The standing charge is paid regardless of when the Tesla charges, so it does not belong in a pure charging-timing comparison. It can still differ between tariffs and therefore matters when you compare your complete household bill. ## What does “dynamic without optimisation” mean? It is your estimated average unit rate if the Tesla charges without deliberately selecting the cheapest half-hours. The difference between that figure and your optimised average isolates the additional value of automated timing. Read the GB guide ## Cheap tariff or smart schedule? They are separate decisions. See how standard tariffs, fixed EV windows and half-hourly dynamic prices change the logic of Tesla charging in Great Britain. [Read the guide →](https://drivequery.com/en/blog/cheapest-tesla-charging-uk/) The calculator is a scenario tool, not a forecast. Dynamic prices can rise as well as fall, and the lowest EV charging rate does not necessarily produce the lowest total household energy bill. ## Which Tesla charging cost view do you need? The calculator is the best starting point when you want to **estimate Tesla charging cost** from mileage, efficiency and electricity rates. Once you have real charging history, the useful view depends on the question you are trying to answer. | Question | Best DriveQuery page | What it focuses on | | --- | --- | --- | | What should charging my Tesla cost? | **This calculator** | Estimated annual, per-mile and per-charge cost from your own rates. | | What did charging cost this month? | [**Tesla charging cost per month**](https://drivequery.com/en/tesla-charging-cost-per-month/) | Monthly total across home, Supercharging and other public charging. | | What did each charging session cost? | [**Tesla charging cost tracker**](https://drivequery.com/en/tesla-charging-cost-tracker/) | Session-level kWh, location, tariff and price basis. | | When and where did I charge? | [**Tesla charging history**](https://drivequery.com/en/tesla-charging-history/) | Charging sessions, energy, locations and the timeline behind the totals. | This separation keeps the broad **electric car charging cost** question on the calculator while Tesla history pages answer narrower reporting questions with real charging data. ## Frequently asked questions about electric car charging cost ### How much does it cost to charge an electric car in the UK? Multiply the electricity taken from the grid by the unit price you actually pay. For example, 60 kWh costs £15.67 at 26.11p/kWh or £4.80 at 8p/kWh. Your real cost depends on tariff, energy added and charging losses. ### How do I calculate electric car charging cost? For one session, multiply grid kWh by £/kWh. For annual charging, estimate driving energy, add charging losses, apply the share charged at home and multiply by the relevant electricity rate. ### How much does a full electric car charge cost? It depends on the energy actually drawn from the grid rather than a simple 0–100% battery assumption. For example, 60 kWh from the grid costs £15.67 at 26.11p/kWh or £4.80 at 8p/kWh. ### How much does EV charging cost per mile? With 280 Wh/mile consumption and 10% charging losses, grid energy is about 0.311 kWh per mile. That is about 8.1p/mile at 26.11p/kWh or 2.5p/mile at 8p/kWh. ### How much does it cost to charge a Tesla? The same formula applies to a Tesla: grid kWh multiplied by your electricity price. Model, efficiency, charging losses, energy added and whether you charge at home or publicly all affect the final cost. ### Is home charging cheaper than public charging? Home charging can be cheaper with a competitive off-peak or dynamic tariff, but prices vary. Compare your actual home rate with the live price for the public charger or Supercharger you plan to use. ### Does this calculator include standing charges? No. It isolates the electricity used to charge the EV. Standing charges and other household electricity use still matter when comparing complete tariffs. ### Why include charging losses? The grid normally supplies more energy than the battery stores. Charging and conversion losses therefore affect the bill, which is why the calculator lets you enter a loss percentage. Sources for time-sensitive benchmarks: [Ofgem energy price cap unit rates](https://www.ofgem.gov.uk/information-consumers/energy-advice-households/energy-price-cap-unit-rates-and-standing-charges) and [Tesla UK Supercharging support](https://www.tesla.com/en_gb/support/charging/supercharging). Always use the live rate shown by your supplier or charging network for a real cost decision. ## Let the charging plan follow the tariff. DriveQuery is being built to calculate a suitable charging schedule from the car requirement and the electricity prices that actually apply. [Join the waitlist](https://drivequery.com/en/tesla-charging-cost-calculator-uk/#early-access) ## Compare UK EV tariffs Use the [EV tariff comparison calculator](https://drivequery.com/en/ev-tariffs/) to compare published discounted rates with your own mileage and charging flexibility.