v3.19.3.a.u2

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
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Dec. 31, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS | ATLANTIC POWER CORPORATION SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS FOR THE YEARS ENDED DECEMBER 31, 2019, 2018 and 2017 (in millions of U.S. dollars)
|  | Balance at |  | Charged to |  |  |  |  |  |  |  |  |  |
|  | Beginning of |  | Costs and |  | Charged to |  |  |  |  | Balance at |
|  | Period |  | Expenses |  | Other Accounts |  | Deductions |  | End of Period |
Income tax valuation allowance, deducted from deferred tax assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Year ended December 31, 2019 |  | $ | 139.7 |  | $ | 5.7 |  | $ | — |  | $ | — |  | $ | 145.4 |
Year ended December 31, 2018 |  | $ | 151.4 |  | $ | (11.7) |  | $ | — |  | $ | — |  | $ | 139.7 |
Year ended December 31, 2017 |  | $ | 186.0 |  |  | (34.6) |  | $ | — |  | $ | — |  | $ | 151.4 |

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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