The Green Power Partnership has unveiled its top 20 on-site generation list, with Wal-Mart (NYSE: WMT) topping the charts for most on-site power use.

The list comprises just US-based organizations. The Green Power Partnership works with a wide variety of leading organizations — from Fortune 500® companies to local, state and federal governments, and a growing number of colleges and universities.


Organizations can meet EPA Partnership requirements using any combination of three different product options: (1) Renewable Energy Certificates, (2) On-site generation, and (3) Utility green power products.

The top five organizations were Wal-Mart Stores, BMW Manufacturing, Coca-Cola, the US Air Force and the City of San Francisco.

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