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Wind Farms Urged to Lengthen Undersea Cables, Saving $20 Billion

Jan. 24, 2023, 6:00 PM

Developers planning to install more than 70 gigawatts of wind turbines off the US coast could save as much as $20 billion if they use more efficient transmission routes to carry the power, according to a report.

Most of the savings come from transmission infrastructure that will be needed to deliver the clean energy to customers, according to the report released Tuesday by the Brattle Group.

Cables that connect turbines to nearby coastal areas would be shorter and cheaper to build but may tax onshore transmission capabilities and require costly new power lines. However, much of that expense could ...