Thailand’s alternative power company, Energy Absolute, is set to launch a fleet of new battery-powered electric passenger ferries on Bangkok’s busy Chao Phraya river, as part of a plan to cut the city’s air pollution and improve its image for visitors.

A division of the Bangkok Metropolitan Authority had already introduced two all-electric boats in July, but the majority of the city’s busy passenger-vessel fleet is largely diesel-powered.

The agency would prefer to see it all transition to electric operation in order to reduce pollution and with the introduction of 27 all-electric vessels by Energy Absolute, this goal will be considerably closer.

“If we can prove that it works, I think there is a huge market, not only in Thailand but for export also,” Energy Absolute CEO, Somphote Ahunai said.

According to the advocacy group, Climate and Clean Air Coalition, lightly-regulated diesel emissions rank among the main causes of pollution in Bangkok, along with periodic agricultural burning from outside the city.

Electricification would reduce local black carbon emissions within the city itself. The effort might not be emissions-free, as 80 percent of Thailand’s electrical power comes from natural gas and coal.

Cost is a factor in the electrification initiative. A new all-electric passenger boat will cost Energy Absolute about $1 million to build in-house, including high-end components like 250-horsepower Danfoss Editron electric motors.

All told, Energy Absolute expects to invest $33 million in the project, including charging stations for the vessels.

Two ferries are currently in testing, and once they have completed trials, the remainder of the fleet will be rolled out over the span of 2021.

According to Danfoss, hotels and real estate developers have shown interest in the fully-electric catamaran design to provide transport to luxury developments along the riverside.

Energy Absolute’s business interests extend well beyond waterborne transit. It operates several solar and wind power plants, and it is planning its own battery manufacturing plant to supply its own new electric cars. It is also building out a network of EV charging stations for the Thai market.

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