As it races to build ever larger data centers, Google on Tuesday said it has agreed to pay more than $3 billion to source carbon-free hydropower from Brookfield Asset Management’s company, Brookfield Renewable Energy Partners.The first contracts under the deal include 20-year power purchase agreements, the companies said, altogether amounting to$3 billion, for 670 megawatts of capacity from two hydropower plants in Pennsylvania. The deal is part of a broader framework agreement that will allow Google to so ...