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Description of Business - Gas & Electric Utilities - Canadian (Details) | Dec. 31, 2016 community company station MW
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FortisBC Energy |
Public Utilities, General Disclosures [Line Items] |
Number of communities (more than) | community | 135
FortisBC Electric | Hydroelectric Power Generation |
Public Utilities, General Disclosures [Line Items] |
Generating facilities | station | 4
Generating capacity (MW) | 225
Generating facilities, operating, maintenance and management services | station | 5
Waneta Partnership | Hydroelectric Power Generation |
Public Utilities, General Disclosures [Line Items] |
Generating capacity (MW) | 335
Newfoundland Power Inc. |
Public Utilities, General Disclosures [Line Items] |
Generating capacity (MW) | 139
Newfoundland Power Inc. | Hydroelectric Power Generation |
Public Utilities, General Disclosures [Line Items] |
Generating capacity (MW) | 97
Maritime Electric |
Public Utilities, General Disclosures [Line Items] |
Generating capacity (MW) | 145
FortisOntario | Electric Utilities |
Public Utilities, General Disclosures [Line Items] |
Number of utilities | company | 3

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