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AFFILIATED TRANSACTIONS (Notes)
 12 Months Ended
Dec. 31, 2018
Related Party Transaction [Line Items]  
Related Party Transactions Disclosure [Text Block]
14.          AFFILIATED TRANSACTIONS
 
The Company:

The Company received cash distributions from equity-method investees of $2.3 million in 2018, $2.8 million in 2017 and $3.7 million in 2016. The Company made investments in equity-method investees of $4.2 million in 2018, $4.6 million in 2017 and $5.5 million in 2016.

The Company and Consolidated SCE&G:
 
SCE&G owns 40% of Canadys Refined Coal, LLC, which is involved in the manufacturing and sale of refined coal to reduce emissions. SCE&G accounts for this investment using the equity method. The net of the total purchases and total sales are recorded in Other expenses on the consolidated statements of operations (for the Company) and of comprehensive income (for Consolidated SCE&G).

Millions of Dollars
 
2018
 
2017
 
2016
Purchases from Canadys Refined Coal, LLC
 
$
149.9

 
$
162.1

 
$
161.8

Sales to Canadys Refined Coal, LLC
 
149.0

 
161.1

 
160.8

Millions of Dollars
 
2018
 
2017
Receivable from Canadys Refined Coal, LLC
 
$
6.8

 
$
4.9

Payable to Canadys Refined Coal, LLC
 
6.8

 
4.9



Consolidated SCE&G:

SCE&G purchases natural gas and related pipeline capacity from SCANA Energy to serve its retail gas customers and certain electric generation requirements. 
 
SCANA Services, on behalf of itself and its parent company, provides the following services to Consolidated SCE&G, which are rendered at direct or allocated cost: information systems, telecommunications, customer support, marketing and sales, human resources, corporate compliance, purchasing, financial, risk management, public affairs, legal, investor relations, gas supply and capacity management, strategic planning, general administrative, and retirement benefits. In addition, SCANA Services processes and pays invoices for Consolidated SCE&G and is reimbursed. Costs for these services include amounts capitalized. Amounts expensed are primarily recorded in Other operation and maintenance - nonconsolidated affiliate and Other Income (Expense), net on the consolidated statements of comprehensive income.

Millions of Dollars
 
2018
 
2017
 
2016
Purchases from SCANA Energy
 
$
139.0

 
$
127.4

 
$
111.5

Direct and Allocated Costs from SCANA Services
 
283.3

 
302.8

 
337.7

Millions of Dollars
 
2018
 
2017
Payable to SCANA Energy
 
$
14.1

 
$
10.0

Payable to SCANA Services
 
37.7

 
42.0



Consolidated SCE&G's money pool borrowings from an affiliate are described in Note 5. Certain disclosures regarding SCE&G's participation in SCANA's noncontributory defined benefit pension plan and unfunded postretirement health care and life insurance programs are included in Note 9.
SCE&G  
Related Party Transaction [Line Items]  
Related Party Transactions Disclosure [Text Block]
14.          AFFILIATED TRANSACTIONS
 
The Company:

The Company received cash distributions from equity-method investees of $2.3 million in 2018, $2.8 million in 2017 and $3.7 million in 2016. The Company made investments in equity-method investees of $4.2 million in 2018, $4.6 million in 2017 and $5.5 million in 2016.

The Company and Consolidated SCE&G:
 
SCE&G owns 40% of Canadys Refined Coal, LLC, which is involved in the manufacturing and sale of refined coal to reduce emissions. SCE&G accounts for this investment using the equity method. The net of the total purchases and total sales are recorded in Other expenses on the consolidated statements of operations (for the Company) and of comprehensive income (for Consolidated SCE&G).

Millions of Dollars
 
2018
 
2017
 
2016
Purchases from Canadys Refined Coal, LLC
 
$
149.9

 
$
162.1

 
$
161.8

Sales to Canadys Refined Coal, LLC
 
149.0

 
161.1

 
160.8

Millions of Dollars
 
2018
 
2017
Receivable from Canadys Refined Coal, LLC
 
$
6.8

 
$
4.9

Payable to Canadys Refined Coal, LLC
 
6.8

 
4.9



Consolidated SCE&G:

SCE&G purchases natural gas and related pipeline capacity from SCANA Energy to serve its retail gas customers and certain electric generation requirements. 
 
SCANA Services, on behalf of itself and its parent company, provides the following services to Consolidated SCE&G, which are rendered at direct or allocated cost: information systems, telecommunications, customer support, marketing and sales, human resources, corporate compliance, purchasing, financial, risk management, public affairs, legal, investor relations, gas supply and capacity management, strategic planning, general administrative, and retirement benefits. In addition, SCANA Services processes and pays invoices for Consolidated SCE&G and is reimbursed. Costs for these services include amounts capitalized. Amounts expensed are primarily recorded in Other operation and maintenance - nonconsolidated affiliate and Other Income (Expense), net on the consolidated statements of comprehensive income.

Millions of Dollars
 
2018
 
2017
 
2016
Purchases from SCANA Energy
 
$
139.0

 
$
127.4

 
$
111.5

Direct and Allocated Costs from SCANA Services
 
283.3

 
302.8

 
337.7

Millions of Dollars
 
2018
 
2017
Payable to SCANA Energy
 
$
14.1

 
$
10.0

Payable to SCANA Services
 
37.7

 
42.0



Consolidated SCE&G's money pool borrowings from an affiliate are described in Note 5. Certain disclosures regarding SCE&G's participation in SCANA's noncontributory defined benefit pension plan and unfunded postretirement health care and life insurance programs are included in Note 9.