Environmental Technologies and Practices OLD

This table provides aggregated data across CLIA’s global oceangoing cruise line membership. The table reflects the number of ships equipped with certain technologies, corresponding passenger capacities (lower berth at double occupancy) and the percentage of the entire fleet represented.

AUGUST 2025

Oceangoing Ships Reporting

284

91.6%

633,293

99.3%

New Ships On Order (for 2025 ETP, through 2036 delivery year) 55 CLIA ships on orderbook reported into ETP out of 60 for delivery from 2025 through 2036

55

186,850

Ships (planned to be) removed from the fleet between 1January and 31 December of Measure Year

1

458

Average age of fleet as of 1 January of Measure Year

15.2

LIQUIFIED NATURAL GAS (LNG)

Ships capable of using LNG as primary fuel for propulsion

19

6.7%

80,016

12.6%

New build ships committed to use LNG as primary fuel for propulsion

25

115,748

SHORE SIDE ELECTRICITY

Ships fitted with Shore Side Electricity (SSE) systems

166

58.5%

414,297

65.4%

- Connection located on Starboard Side

94

33.1%

250,971

39.6%

- Connection located on Port Side

54

19.0%

126,026

19.9%

- Connection possible on Both Sides

18

6.3%

37,300

5.9%

Ships planned to be retrofitted with SSE systems

59

20.8%

100,486

15.9%

New build ships committed to be fitted with SSE systems

48

169,180

ADDITIONAL AIR POLLUTION & ENERGY EFFICIENCY TECHNOLOGIES

Ships fitted with particulate filters

37

13.0%

90,734

14.3%

Ships fitted with Selective Catalytic Reduction (SCR) Systems

81

28.5%

141,302

22.3%

Ships capable of complying with NOx Tier III limits

85

29.9%

167,103

26.4%

Ships that have air lubrication systems fitted

33

11.6%

120,988

19.1%

WASTE WATER

Ships that have an advanced waste water treatment system on board, approved, used and capable of meeting or exceeding IMO MARPOL Annex IV discharge norms

234

82.4%

540,985

85.4%

New build ships that will have an advanced waste water treatment system on board, approved and capable of meeting or exceeding IMO MARPOL Annex IV discharge norms.

39

144,502

Ships that have a waste water treatment system on board, approved and capable of meeting the discharge standards of the IMO MARPOL Annex IV Baltic Sea Special Area

106

37.3%

219,542

34.7%

OTHER TECHNOLOGIES

Ships with a Biofouling Management Plan

268

94.4%

628,354

99.2%

Ships fitted with Water Fuel Emulsion (WFE) technology/treatments

44

15.5%

102,088

16.1%

Vessels fitted with bulbous bow

249

87.7%

584,849

92.4%

Vessels that can produce freshwater onboard

279

98.2%

632,733

99.9%

Vessels that can produce 100% of freshwater onboard

198

69.7%

514,281

81.2%

EXHAUST GAS CLEANING SYSTEMS (EGCS)

Ships fitted with exhaust gas cleaning systems (EGCS)

167

58.8%

479,447

75.7%

- Ships fitted with open loop EGCS

89

31.3%

226,013

35.7%

- Ships fitted with open loop EGCS and additional wash water filters

82

28.9%

211,065

33.3%

- Ships fitted with hybrid EGCS

78

27.5%

253,434

40.0%

- Ships fitted with hybrid EGCS and additional wash water filters

54

19.0%

183,660

29.0%

New build ships committed to be fitted with EGCS

4

14,800