SpotCharge

Commercial EVs in 2026: The Class 4-8 Market by the Numbers

7 min readby SpotCharge Team
industrycommercialfleet

TL;DR

Commercial EVs hit an inflection point in 2025 — then cooled in 2026. In the SpotCharge Class 4-8 tracking subset, cumulative deployments crossed 10,000 vehicles in Q1 2026; across all zero-emission truck segments, CALSTART counts roughly 59,000 cumulatively. The catch: after years of fast growth, new ZE-truck deployments fell ~49% year-over-year in 2026 amid tax-credit and regulatory uncertainty. The leaders by units are unsurprising: Daimler's Freightliner eCascadia leads Class 8, Volvo VNR Electric is second, and Harbinger has emerged as the medium-duty leader almost overnight (733 units delivered in 2025 from a standing start in 2023).

What's still hard: depot charging. A Class 8 EV truck needs several hundred kWh per overnight charge, and a 10-truck depot can need anywhere from ~1 MW (slow overnight) to 3 MW (faster turns) of grid capacity. Most utility build-outs to support that take 18-36 months. The trucks are ready; the chargers, in many cases, aren't.

The numbers, quarter by quarter

This is the curated NACFE + CALSTART tracking data (also rendered live at /tools/industry/commercial):

Quarter Class 4-6 units Class 7-8 units Class 4-6 cumulative Class 7-8 cumulative
2024 Q1 95 230 1,650 1,580
2024 Q2 120 310 1,770 1,890
2024 Q3 110 365 1,880 2,255
2024 Q4 135 476 2,015 2,731
2025 Q1 280 540 2,295 3,271
2025 Q2 410 612 2,705 3,883
2025 Q3 525 740 3,230 4,623
2026 Q1 690 825 4,300 5,790

Source: NACFE, CALSTART zero-emission truck registration tracker, ACT Research medium-duty EV reports. Snapshot 2026-05-09.

Three things to notice:

  1. The medium-duty (Class 4-6) ramp is steeper than heavy-duty. Class 4-6 went from 95 units/quarter in early 2024 to 690 units/quarter in early 2026 — a ~7× increase. Class 7-8 in the same period went 230 → 825, a ~3.6× increase. The MD market started later but is catching up, driven mostly by Harbinger.

  2. The multi-year trend is up, but 2026 cooled. Heavy-duty truck buyers traditionally pause in Q1 to assess emissions regulations, fuel pricing, and contract renewals. Industry-wide, CALSTART reported new ZE-truck deployments down ~49% YoY in 2026 as buyers absorbed the post-tax-credit policy shifts — a reminder that fleet electrification isn't a straight line even as the cumulative base keeps growing.

  3. The cumulative line is now meaningful. With 10,000+ Class 4-8 EVs deployed, fleet operators have enough peer-data to evaluate uptime, range, and TCO under real conditions — not just OEM presentations. That feedback loop is what's pulling the next ramp.

Who's actually selling them

Top makers by H1 2026 cumulative deliveries (Class 4-8):

Manufacturer Units to date Weight class Notes
Daimler Truck (eCascadia + eM2) 2,400 Class 6-8 Largest cumulative deployment; eCascadia is the most-deployed Class 8 EV truck in the US
Volvo Trucks (VNR Electric) 750+ Class 8 Volvo reports 750+ in operation across US/Canada; strong in regional haul + drayage
Harbinger 1,280 Class 4-5 Purpose-built MD EV chassis; Q2/Q3 2025 was their breakout — leads MD market for orders
Mack Trucks (LR + MD Electric) 580 Class 6-8 Refuse-truck focused (LR Electric); MD for regional delivery
Tesla Semi 320 Class 8 Production ramping at Reno; PepsiCo anchor customer; broader sales 2026
BYD 290 Class 6-8 Mostly drayage tractors at Long Beach; under tariff pressure
Workhorse 170 Class 4-5 Walk-in van form factor; step-van market
Lion Electric 145 Class 6-8 School bus + Class 8; restructuring through 2025

Unit counts are SpotCharge estimates blended from NACFE, CALSTART, ACT Research, and public fleet announcements; OEMs rarely disclose exact cumulative deliveries, so treat them as directional rather than precise.

A few insights from this list:

Daimler's lead comes from existing dealer relationships. Freightliner has been the dominant ICE Class 8 brand in the US for decades. Fleets that buy from Freightliner are buying eCascadia. The product is competitive; the distribution is decisive.

Harbinger came out of nowhere. Founded 2021, Long Beach-based, focused exclusively on the medium-duty chassis market that Class 8 OEMs largely ignored. Their value proposition: MD trucks rarely run hard — most utilization is sub-200 mi/day, perfect for 200 kWh BEV packs. They sell directly to fleets and skip the dealer markup. They delivered 733 units in 2025 (including a FedEx order) — more than all medium-duty EV competitors combined.

Tesla Semi is real but slow. Production from Reno is genuinely shipping in 2026, but at a pace far below the original 2017 promises. PepsiCo continues to take batches; broader fleet-customer deliveries are scheduled to start in late 2026. The product itself is well-regarded by operating fleets — efficiency around 1.7 kWh/mile, which is class-leading.

Depot charging is the bottleneck, not the truck

A Class 8 BEV with a 500-kWh pack delivering 250 miles of range needs to fully recharge between shifts. At realistic depot economics (off-peak 11 PM to 5 AM), that's roughly 85 kW per truck across a 6-hour window of overnight grid demand. A medium fleet of 50 trucks at one depot needs on the order of 4 MW that way — and if you want shorter charging windows or daytime top-ups, that figure climbs quickly.

For context, that's the size of a small substation. Building it takes:

  • Utility study and engineering: 6-12 months
  • Transformer/switchgear procurement: 12-18 months (long lead times since 2023)
  • Permitting and trenching: 3-6 months
  • Energization and commissioning: 1-3 months

Total: 24-36 months from order to truck plug-in. Several large fleet operators have publicly noted depot-energization timelines are now the binding constraint — not truck production, not pricing, not driver acceptance. Daimler and Volvo have responded by building eConsulting services to help fleets work with utilities upstream of the truck order.

The mid-range ($150k-$250k) MD market that Harbinger plays in is partly successful because medium-duty chargers (50-150 kW, 200-300 kWh nightly demand) fit within existing 3-phase commercial grid drops at most depots. No utility study required.

The 2026 outlook

Three things that will shape the next 12 months:

1. EPA Phase 3 GHG rule phases in from model year 2027 — though it's under reconsideration. The rule was finalized in 2024 to phase in starting MY2027, but EPA signaled in 2025 it would revisit the heavy-duty standards, so the timeline is no longer certain. Manufacturers had already begun building toward compliance — eCascadia and VNR Electric production lines incrementally replacing diesel lines.

2. NEVI corridor charging finally lands for trucks. Most Phase 1 NEVI corridor stations were specced for passenger DCFC. Updated FY2026 NEVI guidance opens funding to medium- and heavy-duty freight-corridor charging — the policy door for MCS-class truck stations. Expect the first wave of MCS truck stations to be announced in 2026.

3. Class 8 used market emerges. First-generation eCascadia and VNR Electric trucks deployed in 2022-2023 are starting to come off lease. Used-market pricing will be the next signal — and it will determine how aggressive smaller fleets are willing to be.

If you're modeling fleet TCO yourself, the SpotCharge Charger Investment Calculator covers the depot-charging economics side: capital, installation, demand charges, levelized cost.

Sources

  • NACFE quarterly emerging-tech reports — primary source for fleet deployment counts
  • CALSTART Zero-Emission Truck registration tracker
  • ACT Research medium-duty EV reports
  • Press releases for fleet announcements (Walmart, Sysco, Schneider, Amazon, FedEx, PepsiCo)
  • EPA Phase 3 GHG rule documentation
  • NEVI Phase 2 program guidance (US DOT/FHWA)