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ERM Dolphyn Project Large Scale Offshore Hydrogen Production
ERM Dolphyn Project
Large Scale Offshore Hydrogen
Production
www.erm.com
Case 1 - ERM Dolphyn Concept:
a) Semi-submersible base
b) Spar structure
Gas Network
Gas Storage
H2 Gas Pipeline to shore
Offshore Onshore
Overview of Concepts
Case 2 - desalination and electrolysis
performed on separate offshore
platform and pipeline export
Gas Network
Gas Storage
H2 Gas Pipeline to shore
Offshore Onshore
Electric cable to Electrolysis
Platform
Case 3 - Onshore hydrogen production,
using electrical cables to bring power
back to shore with all electrolysis
performed on land
Gas Network
Gas Storage
Offshore Onshore
Electric cable to onshore
hydrogen generation
electrolysis unit
H2
Electric Switchgear
Platform
(DC output)
www.erm.com
Results
Case 1, Dolphyn single spa
Case 1, Dolphyn semi-sub
Case 2, centralised H2 production
Case 3, onshore H2 production
www.erm.com
Result: Semi-Sub Dolphyn Concept Selected
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FEED Development – 45 Studies/Documents
Document Number Document Title
0500255-1b-ERM-PM-S01 Master Document Register
0500255-1b-ODE-CE-N01 Basis for Cost Estimate
0500255-1b-ODE-CE-R17 Manning (Maintenance Assessment) for OPEX
0500255-1b-ODE-CE-R18 MTO Development/Report
0500255-1b-ODE-CE-R19 Cost Estimate Report
0500255-1b-ODE-EE-D01 Single Line Diagram
0500255-1b-ODE-EE-N01 Load List
0500255-1b-ODE-EE-N02 Electrical Equipment List
0500255-1b-ODE-EE-N03 Electrical Equipment Data Sheets
0500255-1b-ODE-EE-R01 Electrical Design Criteria
0500255-1b-ODE-PE-D0* Process Flow Diagrams - various
0500255-1b-ODE-PE-D0* Process & Instrumentation Diagrams - various
0500255-1b-ODE-PE-N0* Data Sheets - various
0500255-1b-ODE-PE-N04 Gas Quality Technical Note
0500255-1b-ODE-PE-N05 Process Calculations
0500255-1b-ODE-PE-N06 Sloshing Study
0500255-1b-ODE-PE-N07 Turndown Efficiency Analysis
0500255-1b-ODE-PE-N08 Export Pipeline Technical Note
0500255-1b-ODE-PE-R01 Desalination Technology Assessment Report
0500255-1b-ODE-PE-R02 Process Design Basis
0500255-1b-ODE-PE-R03 Sparing and Modularisation Analysis (RAM)
0500255-1b-ODE-PE-R04 Material Selection Report (H2 System)
0500255-1b-ODE-PE-R05 Cause & Effects
0500255-1b-ODE-PE-S01 Equipment List
0500255-1b-ODE-PE-S02 Line List
0500255-1b-ODE-PE-S03 Heat and Material Balance (H&MB)
0500255-1b-ODE-PM-D01 Project (FEED) Schedule
0500255-1b-ODE-PM-R01 Project Inception Report
0500255-1b-ODE-PM-R02 Overall Study Report
0500255-1b-ODE-PM-R03 Risk Review
0500255-1b-ODE-PM-S02 Project Action Tracker
0500255-1b-ODE-TQ-Q0* Technical Queries - various
0500255-1b-ODE-TS-N01 HAZID SAMs
0500255-1b-ODE-TS-N02 HAZOP SAMs
0500255-1b-ODE-TS-R01 HAZID / HAZOP / Safety Review ToR
0500255-1b-ODE-TS-R02 HAZID / HAZOP / Safety Review Report
0500255-1b-ODE-TS-R03 SAMS Actions Administration Report
0500255-1b-ODE-TS-S01 SAMS Actions
0500255-1b-TE -AM-D01 Mooring System Layout Drawing
0500255-1b-TE -AM-R01 Mooring Motion Analysis Report
0500255-1b-TE -EE-R01 Integration/interface/battery limits report
0500255-1b-TE -EE-R02 Electricity Evacuation Report
0500255-1b-TE -SS-D01 General Arrangement Plan
0500255-1b-TE -SS-D02 Layout Drawing
0500255-1b-TE -SS-R01 Weight Estimate Report
0500255-1b-TE -SS-R02 Hydrostatic Properties Report
0500255-1b-TE -WT-R01 WRA/EYA Report
www.erm.com
Key Engineering Drawings
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Key Engineering Drawings
www.erm.com
Construction Process
Procurement of long lead items (Sub-
structure, turbine and electrolyser)
Construction of sub-structure (Fene
Shipyard, Northern Spain or UK alternative)
Addition of MHI Wind Turbine and sail to UK (Dundee Port, Deepwater
Berth)
Installation of deck and topside equipment,
commissioning and testing
Install moorings and pipeline at location
Sail to location, hook-up, commission and
operate
1 2 5 3 4 6
www.erm.com
Development Plan
Dolphyn Hydrogen
Project:
Size of Development
Operational
from
Location Cost
(CAPEX)
(£m)
Hydrogen
Production
Rate
(Tonnes/yr)
Hydrogen
Production
Rate (TWh/y)
2MW - prototype (single
operating unit)
2024 Orkney or
Aberdeen
16m 180 0.006
10MW – pre-commercial
facility (single
operating unit)
2027 Aberdeen 40m 900 0.03
100 MW- first
commercial offshore
hydrogen wind farm (10
x 10MW turbines)
2032 Northern
North Sea
~ 300m 9,000 0.30
4GW – first full scale 20
x 20 array hydrogen
wind farm (400 x 10MW
turbines)
2034 Northern
North Sea
~ 12 billion 360,000 12.0
www.erm.com
North Sea Potential
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Dolphyn at a glance ...
Production of green
hydrogen at scale
Replace 50% of UK
gas by 2060
Lowest, Competitive
Energy Price Solution
4 GW field heating
1.5m UK homes
by 2034
Supply to gas grid,
industry, power and
transport
Brings together
leading oil and gas
and offshore wind
industries
Sufficient wind
resource for
eventually providing
all UK heat
2 MW prototype by
2023 (180 te H2/yr)
The business of sustainability
Thank you Kevin Kinsella
Partner, Hydrogen Lead
Manchester, UK
