NREL to Study Feasibility of Gulf of Mexico Offshore Wind

Illustration (London Array)

The U.S. National Renewable Energy Laboratory (NREL) will carry out a new survey to examine the feasibility of various potential offshore renewable energy resources in the Gulf of Mexico, primarily offshore wind.

NREL stated the survey is designed to determine if the region can transform 50 years of offshore manufacturing and deployment expertise into a thriving offshore industry. Funded by the Bureau of Ocean Energy Management, the project will examine the feasibility of various potential offshore energy resources in the Gulf of Mexico.

The Department of Energy’s Wind Vision Report aims to install 86 million gigawatts of offshore wind by 2050, with the Gulf Coast playing a large role. These states—Florida, Texas, and Louisiana particularly—will contribute 10%, or 8.6 gigawatts, of offshore wind energy to help achieve the Wind Vision’s goals, NREL said.

The Gulf offers a number of advantages for offshore wind, including shallow water that makes turbine installation easier, warm waters, higher accessibility, and a close proximity to existing offshore oil and gas infrastructure. However, the region’s lower wind speeds present a challenge, and hurricane-resistant turbine designs and survival strategies may be required to lessen the increased risk of severe tropic cyclones.

To determine the levelized cost of energy for Gulf Coast offshore wind, NREL’s Suzanne Tegen and Walt Musial will use the NREL-developed geo-spatial offshore wind cost model, which assesses variables like water depth, wind resource, and distance to port. Current scenarios show the levelized cost of energy may dip below $100 per megawatt hour by 2025 in some Gulf sites.

Researchers will also undertake a site-specific economic analysis to determine which offshore wind locations offer the most promise for developers. A job impact analysis, performed using NREL’s Jobs and Economic Development Impacts model, will estimate the economic impact of construction and turbine operations.

Offshore wind is not the only potential renewable energy source the survey will explore. Researchers will also evaluate the feasibility of wave and tidal energy, ocean current energy, ocean-based solar energy, ocean thermal energy, and deepwater source cooling, NREL added.

Earlier this month, NREL, together with ECN, mapped out effective O&M strategies for six potential offshore wind sites in the U.S. The sites considered are in the Atlantic, the Gulf of Mexico, the Pacific and the Great Lakes.

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