XML 63 R47.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Non-controlling Interests and Redeemable non-controlling Interest (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Noncontrolling Interest [Abstract] |
Net Loss Attributable to Non-controlling Interests | Net effect attributable to non-controlling interests for the years ended December 31 consists of the following:
| 2018 |  | 2017
HLBV and other adjustments attributable to: |  |  |
Non-controlling interests - Class A partnership units | $ | 103,150 |  |  | $ | 39,850 |
Non-controlling interests - redeemable Class A partnership units | 7,545 |  |  | 10,358 |
Other net earnings attributable to: |  |  |
Non-controlling interests | (2,174 | ) |  | (2,438 | )
| $ | 108,521 |  |  | $ | 47,770 |
Redeemable non-controlling interests, held by related party | (2,622 | ) |  | — |
Net effect of non-controlling interests | $ | 105,899 |  |  | $ | 47,770 |
17. | Non-controlling interests and redeemable non-controlling interests (continued)
The non-controlling Class A membership equity investors (“Class A partnership units”) in the Company's U.S. wind power and solar power generating facilities are entitled to allocations of earnings, tax attributes and cash flows in accordance with contractual agreements. The share of earnings attributable to the non-controlling interest holders in these subsidiaries is calculated using the HLBV method of accounting as described in note 1(r).
Changes in Redeemable Non-Controlling Interest | Changes in redeemable non-controlling interests are as follows:
| Redeemable non-controlling interests held by related party |  | Redeemable non-controlling interests
| 2018 |  | 2017 |  | 2018 |  | 2017
Opening balance | $ | — |  |  | $ | — |  |  | $ | 41,553 |  |  | $ | 21,922 |
Net effect from operations | 2,622 |  |  | — |  |  | (7,545 | ) |  | (10,356 | )
Contributions | 305,000 |  |  | — |  |  | — |  |  | 31,105 |
Dividends and distributions declared | — |  |  | — |  |  | (644 | ) |  | (1,118 | )
Closing balance | $ | 307,622 |  |  | $ | — |  |  | $ | 33,364 |  |  | $ | 41,553 |

X
- Definition Net Income (Loss) Attributable to Noncontrolling Interest [Table Text Block] + References No definition available. + Details
Name: | aqunf_NetIncomeLossAttributabletoNoncontrollingInterestTableTextBlock
Namespace Prefix: | aqunf_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_NoncontrollingInterestAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of redeemable noncontrolling interest (as defined) included in the statement of financial position as either a liability or temporary equity. As of the date of the statement of financial position, such redeemable noncontrolling interest is currently redeemable, as defined, for cash or other assets of the entity at (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the entity. + References No definition available. + Details
Name: | us-gaap_RedeemableNoncontrollingInterestTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration