Ownership calculator

What will it really cost me?

Every assumption is shown and editable. Generator and solar charging are included, because grid supply alone is rarely the whole story.

Vehicle and driving

Vehicle

Energy use

kWh/100 km

Estimated for Nigerian mixed driving. Edit if you know better.

Daily distance40 km

Days driven a month22 days

Electricity and charging

Your tariff

Grid electricity price

₦/kWh

Check your bill: the rate depends on your DisCo and band.

Where your charging energy comes from

Grid at home

Solar

Generator

Public chargers

Total 100%

Public charging price

₦/kWh

Your input. Not a published rate.

Solar running cost

₦/kWh

Excludes the system's purchase cost.

Generator output

kWh/L

So generator power costs about ₦500/kWh at your petrol price.

Charging efficiency

Energy that reaches the battery.

Purchase and finance

Purchase price

₦

No Nigerian price is verified for this car. Enter your quote to include purchase costs.

Deposit

100% means you pay cash.

Loan interest

% a year

Loan term

years

Depreciation

% a year

Running costs

Insurance

% of value

EV maintenance

₦/year

Tyres

₦/year

Registration and papers

₦

Your petrol car, for comparison

Petrol price

₦/L

Default as of 01/10/2026, example value.

Fuel use

L/100 km

A Toyota Corolla is often 7 to 9 L/100 km in town.

Petrol car maintenance

₦/year

Monthly charging

₦44,431

187 kWh a month

Cost per 100 km

₦5,049

₦50.49 per km

Energy cost against petrol

₦34,769 lower

Per month. Energy only: purchase price, insurance and maintenance are in the totals below.

Monthly energy cost

EV charging₦44,431

Petrol car₦79,200

Daily energy from supply: 8.5 kWh
Blended electricity price: ₦237.60/kWh
Annual charging: ₦533,174
Annual petrol: ₦950,400
5-year running difference: ₦3,836,128 lower

The running difference covers energy and maintenance only, not the price of either car.

Total cost of ownership

No purchase price entered, so these totals leave out depreciation, insurance and loan interest.

1 year₦1.1m
3 years₦3.1m
5 years₦5.1m
8 years₦8m

Depreciation
Loan interest
Charging
Maintenance
Insurance
Tyres
Registration

5-year breakdown

Depreciation: ₦0
Loan interest: ₦0
Charging: ₦2,665,872
Maintenance: ₦1,250,000
Insurance: ₦0
Tyres: ₦1,000,000
Registration: ₦150,000

Assumptions and sources

Every default is editable. Values marked “example” are placeholders, not published rates.

Tariff, All DisCos, Band Aexample₦209.50/kWh · from 01/07/2024
AC charging efficiency0.88 × · 01/10/2026
DC charging efficiency0.92 × · 01/10/2026
Depreciationexample15 %/year · 01/10/2026
EV maintenanceexample250,000 ₦/year · 01/10/2026
Generator output per litreexample2 kWh/L · 01/10/2026
Petrol car consumptionexample9 L/100 km · 01/10/2026
Petrol car maintenanceexample600,000 ₦/year · 01/10/2026
Comprehensive insuranceexample3 % of value/year · 01/10/2026
Car loan interestexample25 %/year · 01/10/2026
Public charging priceexample350 ₦/kWh · 01/10/2026
Registration and papersexample150,000 ₦ · 01/10/2026
Solar cost per kWhexample0 ₦/kWh · 01/10/2026
Tyresexample200,000 ₦/year · 01/10/2026

Estimates only, not financial advice. How we calculate