About Alterra Power Corp. Alterra Power Corp. is a global renewable energy company that manages operations of eight power plants totaling 825 MW of hydro, wind, geothermal and solar generation capacity in Canada, the USA and Iceland. Alterra owns a 363 MW share of this capacity, generating over 1,500 GWh of clean power annually. Alterra is also constructing the 200 MW Flat Top wind project in central Texas, which is expected to be in operation by 1H 2018 (51% owned by Alterra). Upon the completion of Flat Top, Alterra will operate nine power plants totaling 1,025 MW of capacity and will own a 465 MW share of this capacity, generating almost 2,000 GWh of clean power annually.