Commercial EV charging

The short version

For a facility manager, EV charging infrastructure is a new category of large, intermittent, controllable electric load. A single DC fast charger can draw more peak power than the entire rest of a small commercial building. Without active management, EV charging can dominate demand charges, undermine the facility's electricity economics, and trigger expensive electrical service upgrades. With managed charging — software that sequences, throttles, or time-shifts charging — the same chargers become a controllable resource that can be optimized against rates and grid signals.

The three levels of charging

Level 1 (120V, ~1.4 kW) uses standard outlets and adds about 5 miles of range per hour. Too slow for most commercial applications except low-utilization workplace charging where vehicles park all day. Minimal demand impact and lowest installation cost. Level 2 (240V, 6–19 kW) is the workhorse of commercial EV charging — workplace stations, fleet depots, multi-family housing, and most public destination charging. Adds about 25 miles of range per hour. Modest demand impact at typical 7–11 kW dispensing rates. Installation costs range from $2,000–$10,000 per port depending on electrical service availability.

DC fast charging (DCFC) at 50–350+ kW serves highway corridors, urban public stations, and high-throughput fleet operations like transit buses and delivery vans needing fast turnaround. A single 350 kW DCFC adds 200+ miles of range per hour but costs $100,000–$300,000+ per charger installed, often requires a service upgrade or new transformer, and creates the largest demand charge impact of any common commercial load.

Managed charging — the economic equalizer

Managed charging uses networked controls and software to optimize when and how fast EVs charge. Sequenced charging staggers vehicle starts so the facility never sees the sum of all chargers at full power simultaneously. Demand-limited charging throttles each charger as needed to keep total facility demand below a setpoint — sacrificing some charging speed to preserve demand charge savings. Time-of-use optimization shifts charging to off-peak windows when energy rates are lowest.

For a facility with 20 Level 2 chargers, unmanaged operation might see all chargers running simultaneously during a coincident arrival window, creating 150–220 kW of new demand. Managed sequencing could limit simultaneous draw to 60–80 kW while still meeting overnight charging needs — saving thousands per month in demand charges. The capital cost of managed charging equipment is typically paid back in 12–18 months from demand charge savings alone.

NEVI, the 30C sunset, and utility programs

The federal incentive landscape for commercial EV charging changed substantially in 2025. The One Big Beautiful Bill Act (OBBBA), signed July 4, 2025, terminated the 30C Alternative Fuel Vehicle Refueling Property Credit for property placed in service after December 31, 2025, and ended the 45W Commercial Clean Vehicle Credit for vehicles acquired after September 30, 2025. Projects placed in service in 2024 and 2025 captured the credit's full benefit; projects in development through late 2025 raced to qualify. The NEVI program remains active — providing $5 billion over five years to states for highway corridor DCFC deployment (typically every 50 miles along designated alternative fuel corridors with four 150 kW+ ports per station), flowing through state DOTs to private developers.

Utility programs add another layer. Many utilities offer make-ready programs covering the utility-side electrical infrastructure required to support charging stations — transformers, service drops, and trenching that historically cost $50,000–$500,000+ per site. Special EV rate schedules reduce or waive demand charges, often in exchange for accepting demand response participation or time-of-use rates. The combination of incentives can exceed 60% of installed cost in favorable jurisdictions.