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How is wind converted into electricity?

Wind systems use large blades mounted on tall towers or turbines. The wind spins the blades, rotating a generator that produces electricity.

Where does electricity come from?

Electricity is generated in several ways. The conventional ways are through the burning of low-sulfur coal, natural gas, and oil (all fossil fuel based). As well, large hydroelectric dams and nuclear power plant facilities are used for traditional power generation. Other less common power sources include wind, hydro, solar, and biomass – all of which are considered green power.

What is “green” power?

Green power, also commonly known as renewable power, is energy produced from resources that are replenished naturally with minimal or no harm to the environment. Green power produces little or no air pollution or greenhouse gas emissions. Power sources include wind, solar, hydro, and biomass (burning plant materials and waste).

What is a Green Energy® Tag?

Renewable energy facilities produce two distinct products. One is electricity. The other is the “bundle” of environmental benefits that result from producing clean electricity. When clean energy is sent to the power grid, conventional energy is displaced, along with all the harmful emissions associated with it. The benefit of this emissions reduction is then bundled and sold as Green Tags or as a renewable energy credit (REC). Essentially, when you buy Green Energy® Tags, you are buying the assurance that a certain amount of clean, renewable wind energy will be sent to the power grid.

How does TransAlta Wind certify its renewable energy?

Our renewable energy product and wind facilities are EcoLogo™ certified under Environment Canada’s Environmental Choice program. Our Green Energy® Tags product meets the Green Leaf™ TRC Standard as set by the Environmental Choice Program. You can be assured that the renewable energy products meet the highest environmental standards and ensure that no double counting of environmental benefits occur. These standards have strict requirements for the sources of “green” power, when they were built, and the method of delivery for all environmental credits to the customer.