EV Savings Calculator
Compare the running costs of petrol vs electric vehicles and see how quickly a home charger could pay for itself.*
Calculate Your Savings
See how much you could save by switching to an EV with home charging.
Your Calculated Savings*
Takes about 5 minutes. We'll handle the rest.
*Estimates only. Results are based on average Irish prices (January 2026) and typical vehicle efficiency. Your actual savings may vary based on driving habits, vehicle model, electricity tariff, and fuel prices. Current rates used: Petrol €1.70/L, Electricity €0.18/kWh.
How We Calculate
*All results are estimates based on average Irish data. Your actual savings may vary based on your driving habits, vehicle efficiency, and electricity tariff.
Annual Fuel Cost (Petrol)
(Annual km ÷ 100) × Consumption (L/100km) × Petrol price (€/L)
Annual Fuel Cost (Electric)
(Annual km ÷ 100) × Consumption (kWh/100km) × Electricity price (€/kWh)
Charger Payback Period
Charger cost (€999 after grant) ÷ Annual savings × 12 months
Default Values
- Petrol price: €1.70/L (AA Ireland, January 2026)
- Night rate electricity: €0.18/kWh (Smart meter tariff)
- Petrol car consumption: 6.0 L/100km (Average sedan)
- EV consumption: 15.0 kWh/100km (Average EV)
Additional Savings Not Included
- •Motor tax: EVs pay just €120/year vs €200-600 for petrol
- •Maintenance: EVs have fewer moving parts, saving ~€200/year on servicing
- •Toll discounts: Some Irish toll roads offer EV discounts