CRUISE LINES – AIDA CRUISES
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Signing of the contract between AIDA and Corvus last September – L-R Halvard Hauso (evp sales and marketing, Corvus), Gisle Frydenlund, (coo, Corvus), Geir Bjørkeli (ceo, Corvus), Felix Eichhorn (president, AIDA Cruises), Sebastian Sala (head of innovation and energy management, Carnival Maritime), Hansjoerg Kunze (vp communication and sustainability, AIDA Cruises)
takes place during sea operation (peak load shaving) by the ships own generators, or it takes place in port through cold ironing. This opportunity is of course most interesting in regions having abundant power from renewable sources – such as Norway, where energy is mainly generated from hydropower.
What are the challenges when installing an ESS onboard a cruise ship? The two major challenges – or limiting factors – are weight and volume. Battery packs are both
relatively large and heavy. Responding to these challenges, Corvus has developed its ‘Corvus Blue Whale ESS’ specifically for installation on a number of ship types including cruise ships and ferries. A major objective during the development of the ‘Corvus Blue Whale ESS’ was to reduce space and weight, resulting in 30% less weight and 50% less volume compared to the existing ‘Corvus Orca Energy’ ESS.
Hobart SCR1903c.qxp 07/02/2019 11:51 Page 1
Will other cruise lines follow the AIDAperla example? This is likely, and
GERMANY
‘hybrid’ cruise ship designs implementing ESS could become a megatrend in the years ahead, not at least in light of new restrictions imposed in some of the Norwegian fjords. A major benefit is that ESS installation is viable – technologically and economically – on existing ships, including elder ones, while for example a conversion to LNG is in most cases out of the question.
Could we see cruise ships running purely on batteries? This is unlikely in the near future, although some commuter ferries are already running purely on battery power. Apart from Ampere, the Danish Ellen is a recent example – she does, as the first electric ferry, not even have a fossil emergency back-up generator onboard. But these ships are small, Ellen for example takes 198 passengers, and they are in port every hour to recharge. This is not comparable to a cruise ship covering long distances and having a full hotel operation onboard. For the moment, hybrid designs are a realistic way forward – in ocean cruising as well as on riverships.
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PHOTO: CORVUS ENERGY
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