SCL TOU EV Charging Calculator

1. Your Vehicle

Select your vehicle

Can't find your vehicle? Enter manually

Battery capacity (kWh)

Efficiency (mi/kWh)

Back to vehicle selector

2. Your Driving

Annual miles driven 13,500 mi

~37 miles/day • ~10.6 kWh/day

You

3. Your Charger

Level 1

Standard 120V outlet

~1.4 kW • 4-5 mi/hr

Level 2 (32A)

Entry-level 240V EVSE

~7.7 kW • 25-30 mi/hr

Level 2 (40A)

Most common home charger

~9.6 kW • 30-35 mi/hr

Level 2 (48A)

High-power home charger

~11.5 kW • 35-45 mi/hr

4. Your Charging Habits

When do you typically plug in?

Or choose exact time:

Battery when you plug in 40%

Typical after ~22 miles of driving

Charge to 80%

80% recommended for battery health

% of charging at home 80%

80% is typical for EV owners. Remaining charging (at work, public stations) is excluded from this estimate.

% of miles driven on electricity 50%

Based on your electric range and driving patterns. Gas miles are excluded from this estimate.

Your Charging Session

Charging timeline

12-6am

6am-5pm

5-9pm

9pm-12

Charging

12am 6am 12pm 6pm 12am

Energy by rate period (per session)

Peak (5-9pm)

23.1 kWh $3.87

Mid-peak

3.9 kWh $0.57

Off-peak (12-6am)

0.0 kWh $0.00

Session Total

27.0 kWh $4.44

Cost Comparison

TOU with Current Habits

$86.42

per month

$1,037/year

Flat Rate

$49.32

per month

$592/year

How to save with TOU

Schedule charging to start at midnight

All your charging happens during off-peak hours (12am-6am).
Save $XX/year vs flat rate

Your Best Option: Scheduled TOU

$XXX/year

Save $XX/month by scheduling charging to start at midnight

Flat rate annual cost $592

TOU scheduled charging $354

Annual savings $238

SCL TOU Rate Structure (2025)

Period	Hours	Rate/kWh	vs Flat
Off-peak	12am-6am daily	$0.0837	-40%
Mid-peak	6am-5pm, 9pm-12am	$0.1465	+5%
Peak	5pm-9pm Mon-Sat	$0.1674	+20%
Flat rate	All hours	$0.1392	baseline