USA:

Expanding Renewable Energy Options for Companies Through Utility-Offered “Renewable Energy Tariffs” (PDF)(Google White Paper)

Google has been looking for ways to expand the use of renewable energy. To date, they have committed over $1 billion to renewable energy project investments, signed agreements to procure over 260 MWe of wind power near data centers, and installed 1.7 MW of solar at their corporate headquarters.

This white paper (PDF) outlines a new, more scalable approach that will allow a broad range of companies like Google to buy large amounts of renewable power directly from electric utilities.

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