XML 106 R88.htm IDEA: XBRL DOCUMENT v3.25.0.1
Regulatory Assets and Liabilities - Canada Electric Utilities (Narrative) (Details) - CAD ($)
12 Months Ended 24 Months Ended
Jun. 27, 2024
Apr. 30, 2024
Apr. 17, 2024
Jul. 05, 2023
Aug. 15, 2021
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2023
Nov. 29, 2024
Sep. 24, 2024
Dec. 21, 2023
Mar. 31, 2023
Public Utilities, General Disclosures [Line Items]                          
Contractual Obligation, to be Paid, Year One           $ 2,404,000,000              
NSPI                          
Public Utilities, General Disclosures [Line Items]                          
Public Utilities, Requested Rate Increase (Decrease), Amended, Percentage           6.50% 6.90%            
Storm cost           $ 10,000,000 $ 10,000,000            
NSPI | Nova Scotia Cap-and-Trade ("Cap-and-Trade") Program                          
Public Utilities, General Disclosures [Line Items]                          
Gas costs               $ 166,000,000          
Credits purchased from provincial auctions             $ 6,000,000 6,000,000          
Compliance costs accrued                         $ (166,000,000)
NSPI | Fuel                          
Public Utilities, General Disclosures [Line Items]                          
Approved payment in period     $ 117,000,000                    
Holdback payable   $ 117,000,000                      
Amortization and financing costs   $ 117,000,000                      
Collection period of amortization and financing costs   10 years                      
NSPI | NSP Maritime Link Inc.                          
Public Utilities, General Disclosures [Line Items]                          
Federal loan guarantee issued amount           $ 500,000,000         $ 500,000,000    
Recovery period for federal loan guarantee related financing costs           28 years              
Storm cost           $ 24,000,000              
Costs recovery period           12 months              
NSPI | Range, Minimum                          
Public Utilities, General Disclosures [Line Items]                          
Approved regulated return on equity           8.75% 8.75%            
NSPI | Range, Maximum                          
Public Utilities, General Disclosures [Line Items]                          
Approved regulated return on equity           9.25% 9.25%            
Regulated common equity component           40.00%              
NSPI | NSPI FAM                          
Public Utilities, General Disclosures [Line Items]                          
Increase to regulatory assets       $ 51,000,000                  
NSPI | UARB                          
Public Utilities, General Disclosures [Line Items]                          
Costs recovery period 10 years                        
Amount approved to defer operating costs incurred from storm restoration $ 25,000,000                        
Amount reclassified from other long term assets to regulatory assets 25,000,000                        
Amount reclassified from undepreciated costs to regulatory assets $ 10,000,000                        
NSPI | UARB | NSP Maritime Link Inc.                          
Public Utilities, General Disclosures [Line Items]                          
Estimate of possible percentage of receiving deliveries           90.00%              
Emera Newfoundland and Labrador Holdings Inc.                          
Public Utilities, General Disclosures [Line Items]                          
Contractual Obligation, to be Paid, Year One                   $ 197,000,000      
Emera Newfoundland and Labrador Holdings Inc. | Debt and Financing Costs [Member]                          
Public Utilities, General Disclosures [Line Items]                          
Contractual Obligation, to be Paid, Year One                   39,000,000      
Emera Newfoundland and Labrador Holdings Inc. | NSP Maritime Link Inc.                          
Public Utilities, General Disclosures [Line Items]                          
Equity ratio           30.00%              
Holdback payable           $ 0 $ 4,000,000            
Contractual Obligation, to be Paid, Year One                   $ 158,000,000   $ 164,000,000  
Energy Delivery Commitments and Contracts, Term         35 years                
Emera Newfoundland and Labrador Holdings Inc. | Range, Minimum | NSP Maritime Link Inc.                          
Public Utilities, General Disclosures [Line Items]                          
Approved regulated return on equity           8.75%              
Emera Newfoundland and Labrador Holdings Inc. | Range, Maximum | NSP Maritime Link Inc.                          
Public Utilities, General Disclosures [Line Items]                          
Approved regulated return on equity           9.25%              
Emera Newfoundland and Labrador Holdings Inc. | UARB | NSP Maritime Link Inc.                          
Public Utilities, General Disclosures [Line Items]                          
Holdback payable             4,000,000 8,000,000 $ 12,000,000        
Monthly holdback amount             $ 4,000,000 $ 2,000,000          
Percent of contracted annual amount           10.00%