v2.4.0.8

Segment and geographic information (Details 3) (Revenues, net, Consolidated revenue) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Ontario Electricity Financial Corp (OEFC) |  |  |  |
Consolidated revenue concentration |  |  |  |
Percentage of consolidated revenue | 20.70% | 18.70% | 26.30% | 22.10%
BC Hydro |  |  |  |
Consolidated revenue concentration |  |  |  |
Percentage of consolidated revenue | 10.20% | 9.20% | 10.80% | 9.70%
San Diego Gas & Electric (SD G&E) |  |  |  |
Consolidated revenue concentration |  |  |  |
Percentage of consolidated revenue | 13.10% |  | 10.20% |

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