|
Commitments and contingencies (Details 2) (USD $)
In Millions, unless otherwise specified |
1 Months Ended | ||
|---|---|---|---|
|
Nov. 26, 2012
Lake
|
Mar. 31, 2012
Rate application filed with FERC
|
Feb. 28, 2011
Rate application filed with FERC
|
|
| Commitments and contingencies | |||
| Payment to be received under a settlement agreement | $ 5 | ||
| Path 15's annual revenue requirement | $ 28.8 | $ 30.3 | |