As of the end of the second quarter 2011, the OPA had 19,090 megawatts (MW) of electricity supply capacity, based on average contract capacity, under contract. This includes 8,155 MW of renewable energy, 7,935 MW of clean energy, and 3,000 MW of nuclear energy.
Within this 19,090 of supply capacity, 4,716 MW were procured from existing generating facilities, which required minimal or no new capital investment. The remaining capacity, 14,374 MW, was procured from new development, expansion, redevelopment or refurbishment of existing facilities.
This represents more than $29.8 billion of new capital investment in generation in the Ontario electricity system since 2005.
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