Clear answer, explained.
Level 1 uses a standard 120V outlet and delivers 1.4–1.9 kW — roughly 8–12 km of range per hour. No electrical upgrade required. Suitable only for very small fleets with long overnight dwell times. Rarely specified for commercial installations.
Level 2 uses 208–240V AC and delivers 3.3–19.2 kW — typically 50–80 km of range per hour in commercial configurations. It is the standard for C&I facilities: employee parking, fleet vehicles, warehousing, retail. Qualifies for the federal Clean Technology Investment Tax Credit. May require a panel upgrade for larger deployments.
Level 3 (DC fast charging) delivers 50–350+ kW of DC power directly to the battery — 100–350 km of range in 30 minutes. Requires significant electrical infrastructure, typically a dedicated transformer. Best justified for high-throughput public charging, transit depots, or fleets requiring fast turnaround.
For most C&I facilities, Level 2 is the right starting point. Electrical infrastructure installed for Level 2 can often accommodate DC fast charging later without a full rebuild.
What this means in practice.
- Level 1 delivers 1.4–1.9 kW from a 120V outlet — 8–12 km of range per hour. Rarely specified for commercial use
- Level 2 delivers 3.3–19.2 kW at 208–240V AC — 50–80 km per hour. The standard for C&I facilities
- Level 2 qualifies for the federal Clean Technology Investment Tax Credit. May require a panel upgrade for larger deployments
- Level 3 DC fast charging delivers 50–350+ kW — 100–350 km of range in 30 minutes
- Level 3 requires significant electrical infrastructure, typically a dedicated transformer
- Level 2 infrastructure can often accommodate DC fast charging later without a full rebuild
Best-fit environments.
- You are specifying EV chargers for employee parking, fleet vehicles, or a warehousing operation
- You want to understand whether Level 2 or DC fast charging is the right specification for your fleet's dwell time
- You are planning electrical infrastructure and want to understand what capacity each charger level requires
- You are evaluating a phased deployment — starting with Level 2 with the option to add DC fast charging later
