X-class Vessels Impact Reduction and Business Strategy
Market outlook WTIVS1 - supply & demand
imbalance in 2026-2030
CADELER
WTIVS¹ supply & demand 2026-30, Global ex. China
Demand scenarios for WTIVS 2026-30, Global ex. China
# vessels
25
Possible scenario 2026-30
Installed capacity p.a. (avg.)
Unit
Low
Mid
High Comment
GW
26.3
26.3
26.3
GWEC
22
Average turbine size
MW
15
15
15
4C Offshore
20
#turbines installed per year
#
1,750
1,750
1,750
17
Days required per turbine²
Days
3.0
3.0
3.0
15
Demand days
Days
5,250
5,250
5,250
10
5
00
12
Total effective vessel
availability p.a.²
Days
320
300
280
% of vessel availability used
for turbine installation²
%
85%
80%
75%
0
Assumed core fleet 15+ MW
turbine segment from 2026
Possible demand - mid
scenario 2026-2030 (avg.)
Days available for turbine
installation per vessel p.a.
Days
272
240
210
2020 2021
Possible average vessel
demand scenarios p.a.
# vessels
19
222
22
25
25
Source: GWEC Global Offshore Wind Report 2021 (Sept-21), 4C Offshore "Offshore Wind Farms Project Opportunity Pipeline (POP)" March 2021, Company
Note: "Wind turbine installation vessel 2Cadeler management assumptions 3Mid scenario assumption of jack-ups installing 100% of turbines and 25% of
foundations
Taking into account
mobilization,
maintenance, yard
stays etc.
Taking into account
time spent on
21
installation of
foundations, O&M or
other³View entire presentation