It's not the first investment Google has made in wind power, but anyone wondering about its commitment needn't look any further than the company's just-announced deal with NextEra Energy. It's agreed to buy wind power from NextEra's wind farm in Iowa for the next twenty years, which it says will provide enough power to supply "several" of its data centers. What's more, Google says that the size and length of the deal (taking 114 megawatts of energy off the market) will also lead to other indirect benefits for the wind power industry, and give NextEra the flexibility to invest in additional clean energy projects. Head on past the b