Tesla has launched its first Megacharger station available to Semi fleet customers at a site in Ontario, California. The station, located in a key freight corridor, supports the company's expanding network for electric trucks. This marks a shift toward broader commercial use of the infrastructure.
Tesla announced the opening of its first Megacharger station dedicated to Semi customers on March 8, 2026, at 4265 E Guasti Road in Ontario, California. The Tesla Semi team shared the news on X, stating the site is now live and accessible to fleet operators. Situated in the Inland Empire near the I-10 and I-15 interchange, the location serves as a vital hub for trucks transporting goods from the Ports of Los Angeles and Long Beach to inland distribution centers for companies including Amazon, UPS, and FedEx.
Megachargers are designed for Class 8 electric trucks, delivering up to 1.2 MW of power to recharge approximately 60% of the Semi's range in 30 minutes, aligning with driver rest requirements. This particular station operates at a maximum of 750 kW and uses a specialized liquid-cooled cable with an 8-pin connector, distinct from the NACS plugs on Tesla passenger vehicles.
Prior to this, Tesla had two operational Megacharger sites: one at Giga Nevada in Sparks and another in Carson, California, near the Port of Long Beach, primarily for the company's own fleet operations. The Ontario site represents the first explicitly opened for public customer use, beyond factory or limited partner access.
The opening aligns with Tesla's accelerated infrastructure plans. In February 2026, the company updated its map to include 64 new locations, totaling 66 planned sites across 15 states, with Texas leading at 19 and California at 17. These target major corridors like I-5, I-10, I-95, and I-75. Tesla aims to deploy 37 sites in 2026 and 46 by early 2027. Additionally, a partnership with Pilot, the largest U.S. truck stop operator, will add Megacharger stalls at select travel centers, with initial openings expected by summer 2026.
In the competitive landscape, the Megawatt Charging System (MCS) standard, supporting up to 3.75 MW, is being adopted by manufacturers like Daimler, Volvo, and Scania for 2026 deployments. Kempower is installing MCS infrastructure at a site in San Bernardino, California, near the new Ontario station.
