The Economics of Maritime Battery Systems: A 2025 Analysis

As battery technology matures and prices decline, the economics of maritime electrification are becoming increasingly attractive.

Key Findings:

• Battery Costs: Declined 40% since 2020, now $250-350/kWh for marine systems
• Payback Period: 4-7 years depending on fuel prices and operating profile
• Maintenance Savings: 30-40% reduction in propulsion system maintenance
• Incentives: EU Green Deal providing up to 40% co-funding for electrification

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