Offshore Energy Supply and AI Demand

Energy Flow: Offshore → AI Data Centers (Sankey)
Installed Capacity by Source
SourceGW (2025)Major Regions
Offshore Wind35North Sea, S. China Sea, US Atlantic
Tidal Arrays2.5 (pilot)Bay of Fundy, Gibraltar, Seto Inland Sea
Floating Nuclear1.2Japan, Norway

Ecological Impact Hotspots

Fishery Yield Loss
Battery and Metal Contamination
Impact2025 ValueRegion
Fishery yield loss8-12%North Sea
Displaced fishers10,000+S. China Sea
Shellfish mortality (battery leak)+35%Bohai Gulf
Mussel lithium (vs. 2020)Dutch North Sea

Risk, Governance and EROI

EROI by Source
Governance Coverage
Metric2025 Value
Wind EROI (full lifecycle)10-25:1
Tidal fish mortalityUp to 12%/yr
Platforms w/ decommissioning plan40%
Installations w/ cumulative impact assessment~15%

Lifecycle Toxicity and E-Waste Fallout

Deep-Sea Mining Impact
E-Waste Fate
Metric2025 Value
CCZ megafauna loss (1 km)-70%
Global e-waste recycled18%
Cadmium in Lagos oysters (vs. FAO limit)2.5×
Mercury advisories (West Africa EEZs)6
Data: JAMSTEC, IAEA, EU, WHO, ISA, BloombergNEF, Deloitte, peer-reviewed studies, June 2025.

Offshore AI Power Systems and Energy Infrastructure