Redo your workplace parking — size your charging deployment, estimate infrastructure costs, model demand charges, and calculate ROI with Section 30C credits and state incentives.
1
Your Business
Used to look up your electricity rate and local incentives.
2
Charging Demand
10%
US avg ~8% in 2025. Projected 25% by 2030, 50% by 2035. Consider your area and employee demographics.
50%
Typically 40-60% of EV drivers will charge at work if chargers are available.
miles
8hr workday
12hr extended
24hr access
85%
90%
95%
Higher targets mean more ports to avoid queuing. 90% is the sweet spot for most workplaces.
3
System Design
L2 Only
L2 + DCFC
7.7 kW
9.6 kW
11.5 kW
19.2 kW
DC fast chargers for short-stay visitors. 50-250kW per unit.
1:1 (full power)
2:1
3:1
4:1
Power sharing: 2:1 means 2 ports share 1 circuit. Reduces infrastructure but slower per-port charging. 2:1 or 3:1 is typical for workplace.
Networked chargers (cloud-managed)
Required for paid charging, reporting, and user management. Adds $15-50/port/month.
4
Infrastructure
Simplified estimate: Infrastructure cost is auto-calculated based on number of ports, state labor rates, and parking type. Expand below to customize.
Customize Infrastructure Details
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feet
Asphalt
Concrete
Dirt/gravel
Garage
Amps
ADA-compliant spaces required
Adds accessible mounting and signage costs (~$500/space).
5
Financial Parameters
%
Federal 21% + state corporate tax. Used for MACRS and 30C benefit.
Cash
Loan
%
years
Prevailing wage & apprenticeship compliance
Required for 30% Section 30C credit (otherwise 6%). Most commercial projects qualify.
Use Section 179 instead of MACRS?
Full cost deduction in Year 1 (up to $1.16M cap). Best for smaller projects.