Nancy Wimmer

Nancy Wimmer is the director of the renewable energy research company, microSOLAR, which specializes in microfinance and rural electrification in developing countries. She is an entrepreneur, researcher, and advisor for microfinance and renewable energy to the World Council of Renewable Energy.

She is the author of the 2019 book, “The Marketmakers—Solar for the Hinterland of Bangladesh
and Green Energy for a Billion Poor—How Grameen Shakti Created a Winning Model for Social Business.”

Her other book, “Green Energy for a Billion Poor – How Grameen Shakti Created a Winning Model for Social Business,” describes an innovative and replicable approach to rural electrification. The book also functions as a guide – describing the inner workings of an innovative business model, and showing future entrepreneurs how to duplicate this success.

Nancy has been involved with the Grameen Bank since 1990 and with Grameen Shakti since its inception in 1996. Her work has taken her all over the world – from the rural parts of Bangladesh to Egypt, El Salvador, India, Honduras, Nepal and Peru. She has served German industry as knowledge engineer, lectured and published extensively and has advised investors and entrepreneurs. Nancy is a US citizen, holds a Masters in Philosophy and lives with her family in Munich, Germany.

You can email her at

Articles by Nancy Wimmer

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