Page 42: of Maritime Reporter Magazine (March 2020)

CRUISE SHIPPING ROYAL CARIBBEAN CRUISES LTD.

“Out of all of the ef? ciency projects that I have ever done, this (chiller replacement project) is the best return on investment that I’ve ever seen for energy savings.”

Anders Aasan, VP Global

Technical Solutions

The chiller solution provided to RCCL by Multistack.

of its data analytics projects in house, it increasingly relies on key technology partners to help it find innovative solu- tions. “The last few years we have had more of an open mind to look beyond the tra- ditional marine suppliers for solutions,” said Dahlgren.

A good example is when RCCL ana- lyzed energy use on the hotel side of its operations and zeroed in on its air con- ditioning chillers, as AC consumes up to 50% of the hotel side of power. RCCL teamed with Multistack, a company that started 10 years ago on landside, non- marine installations, to design a system

Photo: Multistack which shifted from one large chiller to old,” said Dahlgren, citing some 486 than four years ago when Tuteja join the eight smaller compressors per chiller

IBM computers that are still “operating RCCL team from Maersk Line. things.” Shifting from old to new tech “We have a multiple sensor network unit, a solution which not only increased redundancy and reliability, but helped it is not simply ‘remove, plug and play,’ on board. It’s a neural network, like in save 30-50% in AC energy consump- rather “it is a complete paradigm shift of your brain cells. It brings (raw data) to what you can do with the new technol- a consolidated machinery automation tion. “Out of all of the efficiency projects ogy,” he added. system station, and from that station we that I have ever done, this is the best re-

This is where the collection, process- collect all the operational data tags. We turn on investment that I’ve ever seen ing and use of data – and Anshul Tuteja, collect billion data tags from our fleet

Associate VP Global Fleet Optimiza- yearly. There are on an average 2,000 for energy savings,” said Anders Aasan,

VP Global Technical Solutions.

tion – come into play. RCCL has been different variables that we collect from

But companies seeking to partner with aggressively moving to use data as the a ship daily.” disruptor and a driver, starting more

While RCCL conducts the majority RCCL on technology development proj- 42 Maritime Reporter & Engineering News • March 2020

MR #3 (34-49).indd 42 3/6/2020 2:20:49 PM