Corvus Energy cuts Chinese port emissions

The hybrid cranes have been ordered for various retrofit and newbuild deliveries by ZPMC in Chinese ports. They will be powered primarily from the Corvus battery package, resulting in fuel savings of up to 65%. Other benefits include reduced operating costs, reduced greenhouse gas emissions and lower noise levels at the terminal.

“Corvus Energy has definitely shifted the economics and viability of converting diesel port equipment to battery-hybrid electric with their Orca Energy systems,” said Gao Jianzhong, chief engineer at CCCCSEE.

“The design and performance of Corvus Orca Energy enables the ESS to support aggressive load profiles with a significant reduction in cost,” added Pradeep Datar, VP of sales at Corvus Energy Asia.

High-current charge

The Orca Energy ESS stores regenerative braking energy captured as the RTG crane lowers a container – a high-current charge that most battery systems cannot sustain. The stored energy is used to power the RTG crane during operations such as trolley and gantry movement, allowing the diesel engine to be shut off when it would traditionally be idling or operating inefficiently at low loads. The size of the generator can be smaller, the generator can be used less often and its operation optimized for fuel efficiency.

Corvus Energy has previously supplied 48 RTG cranes through CCCCSEE. This is the first order for the new Corvus Energy Asia office located in Singapore.