Microsoft’s deal with developer of 175MW wind farm in Illinois is its largest PPA to date.

Microsoft took a big step toward transforming the energy supply chain with its biggest power purchase agreement to date with the Pilot Hill Wind project near Chicago, Illinois, a 175 megawatt wind farm.

Microsoft is among a handful of major tech companies spending large on renewable energy, much of it to balance out the coal energy used by their data centers. Microsoft began bulk purchases of wind energy last November, signing a 20-year PPA in Texas, its first “utility scale” move.

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