On November 5, 2026, Forum Mobility held a ribbon-cutting ceremony at its FM Harbor electric truck charging depot in the Port of Long Beach — and a production-model Tesla Semi pulled up for the inaugural charge. The event marked the addition of two new v4 Megawatt Charging Standard (MCS) chargers to the site, and it's a clearer signal than most press releases that heavy-duty electric trucking infrastructure is moving from pilot to real scale.
1. These are v4 MCS chargers — not standard DC fast chargers
The two new units at FM Harbor are v4 Megawatt Charging Standard chargers, a protocol purpose-built for commercial trucks. The MCS standard delivers power at a scale that Level 2 or even CCS chargers simply can't touch, and the v4 designation indicates the latest hardware generation. According to Forum Mobility, the chargers are fully compatible with the production Tesla Semi — confirming that Tesla's Semi charging hardware aligns with the open MCS standard, which matters for fleet operators who don't want to be locked into a single OEM's network.
2. 60% range recovery in 30 minutes
According to Forum Mobility, the MCS chargers can recover up to 60% of a Tesla Semi's range in just 30 minutes. For a Class 8 truck operating on port drayage routes — typically short, repetitive hauls between the port and nearby distribution centers — that turnaround window fits neatly into a driver's mandatory rest break. It's a practical charging profile, not just a spec-sheet headline.
3. The Port of Long Beach is a deliberate strategic choice
The Port of Long Beach is one of the busiest container ports in North America, and port drayage — the short-haul trucking that moves containers from ship to rail or warehouse — is one of the most emissions-intensive segments of freight logistics. California's clean air regulations have been pushing fleets to electrify drayage operations for years. Placing a high-capacity MCS depot at this specific location means Forum Mobility is targeting the highest-utilization, highest-visibility use case first, which is exactly the right sequencing for proving the model.
4. Forum Mobility has 330+ Tesla Semi reservations and a lot more charging coming
The two new chargers aren't a standalone installation. According to Forum Mobility, the company has an additional 30 megawatts of MCS charging coming online in the coming months, and is currently under construction on 30 MW of charging infrastructure across four new California depots. In total, the company has over 40 MW of CCS and MCS charging either online or under construction. That pipeline is sized to support a fleet: Forum Mobility holds customer reservations for more than 330 Tesla Semis, which means the infrastructure buildout is pacing against real committed demand, not speculative capacity.
5. Fueling cost is 40% cheaper than diesel, per Forum Mobility
Forum Mobility states that charging at its depots costs fleet operators 40% less than equivalent diesel fueling. For port drayage operators running trucks on tight margins with high daily mileage, that delta is operationally significant — not just an environmental talking point. If that figure holds at scale across the expanded depot network, it becomes a straightforward financial argument for fleet electrification independent of any regulatory pressure.
The FM Harbor ceremony is a small event in the context of the broader EV industry, but the specifics matter: production-model Tesla Semis, open-standard MCS hardware, a high-utilization port location, and a pipeline of hundreds of reservations backing it up. The question now is how quickly Forum Mobility can replicate this depot model across its four additional California sites — and whether other charging operators follow the same MCS-first approach for heavy trucking.
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Sources & reporting notes
The links below identify the material source records used for this report.
- @SawyerMerritt on X (2026-11-06T15:55:50.000Z) — Direct source
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