Exhibit 21.1
Significant Subsidiaries
Corporation |
| Jurisdiction |
| Organization |
FortisUS Holdings Nova Scotia Limited |
| Canada (Federal) |
| Corporation |
FortisUS Inc. |
| Delaware |
| Corporation |
UNS Energy Corporation |
| Arizona |
| Corporation |
Tucson Electric Power Company |
| Arizona |
| Corporation |
UniSource Energy Services, Inc. |
| Arizona |
| Corporation |
UNS Electric, Inc. |
| Arizona |
| Corporation |
UNS Gas, Inc. |
| Arizona |
| Corporation |
CH Energy Group, Inc. |
| New York |
| Corporation |
Central Hudson Gas & Electric Corporation |
| New York |
| Corporation |
FortisBC Holdings Inc. |
| British Columbia, Canada |
| Corporation |
FortisBC Energy Inc. |
| British Columbia, Canada |
| Corporation |
FortisWest Inc. |
| Canada (Federal) |
| Corporation |
FortisBC Inc. |
| British Columbia, Canada |
| Corporation |
FortisAlberta Inc. |
| Alberta, Canada |
| Corporation |
Newfoundland Power Inc. |
| Newfoundland and Labrador, Canada |
| Corporation |
Waneta Expansion Limited Partnership |
| British Columbia, Canada |
| Limited Liability Partnership |
Fortis Energy (Bermuda) Ltd. |
| Bermuda |
| Corporation |
Caribbean Utilities Company, Ltd. |
| Cayman Islands |
| Corporation |
