Energy-intensive Richards Bay Minerals (RBM), which consumes an average of 1.8 terawatts of power a year, was able to secure its latest 140 MW wind energy power purchase agreement (PPA) in six months. When operating at full capacity, RBMs, power consumption across its mining and smelting operations can reach up to 400 MW and this month’s quickly concluded wind PPA was, in fact, the second renewable-energy project of this Rio Tinto company.
