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Renewable and Sustainable Energy Institute

RASEI (pronounced RAY-see) is a joint institute between the University of Colorado Boulder (CU-Boulder) and the National Renewable Energy Laboratory (NREL) addressing important, complex problems in energy that require a multidisciplinary, multi-institutional approach. Its mission is to expedite solutions that transform energy by advancing renewable energy science, engineering, and analysis through research, education, and industry partnerships.

Creating Solutions for a Just and Sustainable Future

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RASEI Spotlight

2024 National Brown Investigator Award

Caltech announces eight recipients of the 2024 National Brown Investigator award, including RASEI Fellow Gordana... Read more

Sunset view looking out over the CU Boulder Campus

New Frontiers Grant Program Successes for RASEI Fellows

The CU Boulder New Frontiers Grant Program was launched in 2024. The program is designed... Read more

Looking out over off shore wind farm with turbines

How much energy can offshore wind farms in the US produce? New study sheds light

RASEI Fellow Julie Lundquist highlights the importance of using the right tools to determine where wind turbines are placed. Read more

Research

RASEI interdisciplinary research incorporates a range of impact areas and is geared toward the needs of numerous emerging sectors.

Research Iniviatives

Education

CU-Boulder offers a growing number of energy education programs and options for CU students and the larger community.

Education Programs

Conferences

RASEI hosts a number of conferences and symposiums each year bringing nationally and internationally recognized speakers.

Conferences and Symposiums

Big Energy Seminar Series

The RASEI Big Energy Seminar Series hosts speakers with a focus on large, secure, sustainable energy systems.

More Information

CU Energy Club
Connecting the energy and imagination of students with the emerging industries of renewable energy and clean technology.

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Join our mailing list to stay up-to-date and learn more about RASEI news, events, research opportunities, and educational offerings.

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