Do you know what a full charge will actually cost you at home versus at a public fast charger — before you pick a battery size?
Charging cost in India is simple maths: battery size × your per-unit electricity rate, plus a small charging loss. This guide shows what a full charge costs for every common battery size — from a 30 kWh city EV to a 79 kWh long-range SUV — at home and at public fast chargers.
What matters most in this decision?
At a typical home tariff of ₹8 per unit, a full charge costs roughly ₹8 for every kWh of battery — about ₹360 for a 45 kWh EV and about ₹630 for a 79 kWh EV — plus around 10% for charging losses. Public DC fast charging costs 2–3× more per unit, so home charging is where EV ownership gets cheap.
What should I look for before I shortlist an EV?
Start by checking: Your home electricity tariff matters more than the car: most Indian household slabs fall between ₹6 and ₹10 per unit, and that single number sets your running cost; Add roughly 10% to the battery size for charging losses — a 45 kWh battery draws about 50 units from your meter for a 0–100% charge; Public DC fast charging typically costs ₹18–25 per unit, so a road-trip top-up can cost 2–3× the same energy at home; and A bigger battery does not cost more per km — it just makes each full charge bigger. Cost per km stays roughly ₹1–1.5 for most EVs charged at home.
How much does it cost to charge a 79 kWh battery in India?
At a typical home tariff of ₹8 per unit, a full 0–100% charge of a 79 kWh battery costs about ₹630 in energy — roughly ₹700 including the ~10% charging loss. At household rates between ₹6 and ₹10 per unit the realistic band is ₹520–870. At a public DC fast charger charging ₹18–25 per unit, the same full charge costs about ₹1,550–2,150.
How much does it cost to charge a 75 kWh battery in India?
At ₹8 per unit at home, a full charge of a 75 kWh battery costs about ₹600 in energy, or roughly ₹660 with charging losses. Across typical home tariffs (₹6–10 per unit) expect ₹495–825 for a 0–100% charge, and about ₹1,500–2,050 at a public fast charger.
How much does it cost to charge a 61 kWh battery in India?
At ₹8 per unit at home, a full charge of a 61 kWh battery costs about ₹490 in energy, or roughly ₹540 with charging losses. Across typical home tariffs (₹6–10 per unit) expect ₹400–670 per full charge, and about ₹1,200–1,675 at a public DC fast charger.
How is EV charging cost calculated in India?
Multiply the battery size in kWh by your per-unit electricity rate, then add about 10% for charging losses. Example: 45 kWh × ₹8 = ₹360, so budget around ₹400 from the meter for a full charge. Your per-unit rate is on your electricity bill; public chargers display theirs per kWh.
Is charging an EV cheaper than petrol in India?
Yes, by a wide margin when you charge at home. Most electric cars cost about ₹1–1.5 per km on a home tariff, while a comparable petrol car costs ₹6–8 per km at current fuel prices. Even on public fast charging at ₹18–25 per unit, an EV usually stays cheaper per km than petrol.