Tesla Model S

Charging curve · consumption · motorway range

We model 2 versions of the Tesla Model S. The Model S Long Range 95 kWh has 95 kWh of usable battery and peaks at 250 kW on a DC charger. In this app's model it uses about 141 Wh/km at a steady 100 km/h and 202 Wh/km at 130, so 44% more energy per kilometre buys you 30 km/h more speed. Weigh that against a 30-minute 10-80% charging stop and you have the whole question of how fast to drive.

Usable battery

95 kWh

Peak DC power

250 kW

10-80% charge

30 min

Average kW 10-80%

131 kW

Mass, loaded

2110 kg

Top speed

250 km/h

Which version you have matters

These share a name and not much else that a trip planner cares about. Pack size sets how far you go between stops, and the curve sets how long each one takes.

DC charging curve

Charging power against state of charge, on a charger fast enough not to be the limit. Peak power is 250 kW, but it has halved by about 59% state of charge. That is why a short stop low down the curve usually beats a long one near the top.

Consumption and range by cruise speed

Steady motorway cruising on flat road in mild weather, from the fitted model Wh/km = 52 + 0.0089 · v² for the Model S Long Range 95 kWh. The “usable range” column is the honest one for trip planning: it is 100% down to 10%, because nobody arrives on empty.

What the model does not include

• Elevation. The trip planner does account for climbs and descents; the range figures on this page are flat-road, so an alpine route will come out worse than the table.
• Temperature. These are mild-weather numbers. Cold raises consumption and cuts the charging curve. The planner models both. The numbers on this page do not.
• Wind, rain, roof boxes, payload and tyre choice, all of which move real consumption more than most people expect.
• Charger-side limits. The charging times above assume the site can deliver whatever the car asks for. A 150 kW cabinet shared with the car next to you will not.

Where these numbers come from

Big pack, low drag: one of the few cars here that can hold a high cruise without the stops multiplying. Charge curve measured, not drawn: digitized from published Fastned and InsideEVs plots by Morin et al., figshare doi:10.1184/R1/30570653 (CC BY 4.0), then reduced to anchor points that reproduce its charge times to within 2%.

Fast enough to run off the top of the sweep, so the answer is usually still a long way below what it will do. Charge curve measured, not drawn: digitized from published Fastned and InsideEVs plots by Morin et al., figshare doi:10.1184/R1/30570653 (CC BY 4.0), then reduced to anchor points that reproduce its charge times to within 2%.

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