Six more hybrid RTGs arrive at Port Houston

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Port Houston has received six hybrid-electric rubber-tired gantry cranes, the fourth of five deliveries scheduled for this year.

Port Houston has taken delivery of six hybrid-electric rubber-tired gantry (RTG) cranes. The most recent delivery is the fourth of five total deliveries that the port will receive this year.

The port ordered 12 hybrid Konecranes RTGs for the Bayport Container Terminal in October 2022, alongside an additional 14 for the Barbours Cut Container Terminal. The deliveries started in the last half of 2023 and are set to continue until mid-2024.

The acquisition of the hybrid-electric RTGs is part of Port Houston’s goal of carbon neutrality by 2050.

The port said that compared to diesel models, the hybrid RTG cranes reduce NOx, PM, HC, and CO emissions by 90%, while reducing noise pollution and fuel consumption at the same time.

“We are excited to add these hybrid-electric RTGs to our fleet. This investment demonstrates our commitment to sustainable growth and our leadership in the maritime industry’s shift toward greener equipment,” said Roger Guenther, Executive Director at Port Houston.

“As we integrate advanced technology into our operations alongside our dedicated staff, stevedores, and ILA labor, we are not only improving efficiency but also contributing to a healthier environment for our community.”

The RTGs have a lifting capacity of 50 tons while stacking containers 1-over-5 high and 6 plus truck lane wide. They are equipped with the Active Load Control system, which eliminates container sway. They also include smart features such as auto-steering, stack collision prevention and truck lift prevention.

The hybrid RTGs are fitted with Li-ion battery technology accompanied by a battery management system that monitors the charge level and general health of the batteries. Konecranes has the capability to oversee the status of this system through the TRUCONNECT remote connection.

According to Konecranes, the hybrid power system is completely modular and retrofittable, and it includes a Tier 4f diesel engine that will charge the batteries as needed.

An additional batch of RTGs is expected to arrive by the fourth quarter of this year. By the end of this year, 57 of the port’s total 147 RTG cranes across both container terminals will be hybrid-electric.

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