v2.4.0.6

Segment and geographic information (Details 3) (Revenues, net, Consolidated revenue)	12 Months Ended
	Dec. 31, 2010	Dec. 31, 2012 BC Hydro	Dec. 31, 2012 Ontario Electricity Financial Corp (OEFC)	Dec. 31, 2011 Ontario Electricity Financial Corp (OEFC)
Consolidated revenue concentration
Percentage of consolidated revenue	57.00%	13.60%	34.70%	28.00%

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Publisher FASB

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