Analysis · Charging at Home
Charging at home: cost, timing and installation
What home charging costs compared with public fast charging, how time-of-use rates change the bill, and when a home needs a panel or service upgrade before a Level 2 charger can be installed.
Drive Economics has no affiliation with, sponsorship from, or endorsement by any automaker, dealer, charger maker, utility or program named here.
The short answer
- Home charging is usually the main source of an EV’s running-cost advantage. Public fast charging typically costs more per kWh, so drivers who rely on it see smaller savings; the home vs. public charging guide shows the gap.
- The savings depend on charging in the utility’s cheapest hours. A time-of-use or EV plan can lower cost, but fixed fees can offset it at low mileage.
- A panel or service upgrade can cost more than the charger. Load management devices sometimes avoid the upgrade.
- Households without a driveway or garage face different math; public and workplace charging prices decide their totals.
Guides
Home Charging vs. Public Fast Charging: Real Costs
Home charging vs. public DC fast charging across six networks: per-kWh prices, subscription break-evens and annual cost by charging mix.
Read →EV Charging Costs on Time-of-Use Rates: 4 Utilities
How EV home charging costs change across time-of-use rate designs: 24-hour cost curves for PG&E, Xcel Colorado, Eversource and a fourth utility.
Read →Does EV Charging Need a Panel Upgrade? The Load Math
When Level 2 EV charging needs a panel upgrade: NEC load calculations, the 80% continuous rule, 100A vs. 200A panels and lower-cost alternatives.
Read →About these analyses
Each guide dates its rates and costs and links its sources.
Drive Economics has no affiliation with, sponsorship from, or endorsement by any automaker, dealer, charger maker, utility or program named here.