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REGULATORY MATTERS (Tables)
12 Months Ended
Dec. 31, 2019
Regulated Operations [Abstract]  
Schedule of Regulatory Assets
We show the details of regulatory assets and liabilities in the following table and discuss them below.
REGULATORY ASSETS (LIABILITIES)
(Dollars in millions)
 
December 31,
 
2019
 
2018
SDG&E:
 
 
 
Fixed-price contracts and other derivatives
$
8

 
$
(150
)
Deferred income taxes refundable in rates
(108
)
 
(236
)
Pension and other postretirement benefit plan obligations
103

 
186

Removal obligations
(2,056
)
 
(1,848
)
Environmental costs
45

 
28

Sunrise Powerlink fire mitigation
121

 
120

Regulatory balancing accounts(1)(2)
 
 
 
Commodity – electric
102

 
(8
)
Gas transportation
22

 
45

Safety and reliability
77

 
70

Public purpose programs
(124
)
 
(62
)
2019 GRC retroactive impacts
111

 

Other balancing accounts
106

 
145

Other regulatory liabilities, net(2)
(153
)
 
(170
)
Total SDG&E
(1,746
)
 
(1,880
)
SoCalGas:
 

 
 

Deferred income taxes refundable in rates
(203
)
 
(336
)
Pension and other postretirement benefit plan obligations
400

 
470

Employee benefit costs
44

 
49

Removal obligations
(728
)
 
(833
)
Environmental costs
40

 
28

Regulatory balancing accounts(1)(2)
 
 
 
Commodity – gas, including transportation
(118
)
 
196

Safety and reliability
295

 
332

Public purpose programs
(273
)
 
(325
)
2019 GRC retroactive impacts
400

 

Other balancing accounts
(7
)
 
(68
)
Other regulatory liabilities, net(2)
(101
)
 
(114
)
Total SoCalGas
(251
)
 
(601
)
Sempra Mexico:
 
 
 
Deferred income taxes recoverable in rates
83

 
81

Other regulatory assets
6

 
6

Total Sempra Energy Consolidated
$
(1,908
)
 
$
(2,394
)
(1) 
At December 31, 2019 and 2018, the noncurrent portion of regulatory balancing accounts – net undercollected for SDG&E was $108 million and $78 million, respectively. At December 31, 2019 and 2018, the noncurrent portion of regulatory balancing accounts – net undercollected for SoCalGas was $500 million and $185 million, respectively. 
(2) 
Includes regulatory assets earning a return.

Schedule of Regulatory Liabilities
We show the details of regulatory assets and liabilities in the following table and discuss them below.
REGULATORY ASSETS (LIABILITIES)
(Dollars in millions)
 
December 31,
 
2019
 
2018
SDG&E:
 
 
 
Fixed-price contracts and other derivatives
$
8

 
$
(150
)
Deferred income taxes refundable in rates
(108
)
 
(236
)
Pension and other postretirement benefit plan obligations
103

 
186

Removal obligations
(2,056
)
 
(1,848
)
Environmental costs
45

 
28

Sunrise Powerlink fire mitigation
121

 
120

Regulatory balancing accounts(1)(2)
 
 
 
Commodity – electric
102

 
(8
)
Gas transportation
22

 
45

Safety and reliability
77

 
70

Public purpose programs
(124
)
 
(62
)
2019 GRC retroactive impacts
111

 

Other balancing accounts
106

 
145

Other regulatory liabilities, net(2)
(153
)
 
(170
)
Total SDG&E
(1,746
)
 
(1,880
)
SoCalGas:
 

 
 

Deferred income taxes refundable in rates
(203
)
 
(336
)
Pension and other postretirement benefit plan obligations
400

 
470

Employee benefit costs
44

 
49

Removal obligations
(728
)
 
(833
)
Environmental costs
40

 
28

Regulatory balancing accounts(1)(2)
 
 
 
Commodity – gas, including transportation
(118
)
 
196

Safety and reliability
295

 
332

Public purpose programs
(273
)
 
(325
)
2019 GRC retroactive impacts
400

 

Other balancing accounts
(7
)
 
(68
)
Other regulatory liabilities, net(2)
(101
)
 
(114
)
Total SoCalGas
(251
)
 
(601
)
Sempra Mexico:
 
 
 
Deferred income taxes recoverable in rates
83

 
81

Other regulatory assets
6

 
6

Total Sempra Energy Consolidated
$
(1,908
)
 
$
(2,394
)
(1) 
At December 31, 2019 and 2018, the noncurrent portion of regulatory balancing accounts – net undercollected for SDG&E was $108 million and $78 million, respectively. At December 31, 2019 and 2018, the noncurrent portion of regulatory balancing accounts – net undercollected for SoCalGas was $500 million and $185 million, respectively. 
(2) 
Includes regulatory assets earning a return.

Proposed Revenue Requirements
The increases include separately authorized components for O&M and capital-related costs, as follows:
AUTHORIZED REVENUE REQUIREMENT INCREASES FOR 2020 AND 2021
(Dollars in millions)
 
 
2020 increase from 2019
 
2021 increase from 2020
 
Revenue increase
 
Percent increase
 
Revenue increase
 
Percent increase
SDG&E:
 
 
 
 
 
 
 
O&M
$
20

 
2.64
%
 
$
19

 
2.47
%
Capital-related costs
114

 
9.74

 
83

 
6.47

Total increase
$
134

 
6.74

 
$
102

 
4.83

SoCalGas:
 
 
 
 
 
 
 
O&M
$
36

 
2.64
%
 
$
34

 
2.40
%
Capital-related costs
184

 
14.36

 
116

 
7.93

Total increase
$
220

 
7.92

 
$
150

 
5.00


In December 2019, the CPUC approved the cost of capital and rate structures (shown in the table below) for SDG&E and SoCalGas that are effective January 1, 2020 and will remain in effect through December 31, 2022. SDG&E did not propose a 2020 cost of preferred equity in this proceeding. In January 2020, SDG&E filed an advice letter to continue the cost of preferred equity for test year 2020 at 6.22%, which is pending CPUC approval.
CPUC AUTHORIZED COST OF CAPITAL AND RATE STRUCTURE
 
 
 
 
 
 
 
 
 
 
 
 
 
SDG&E
 
SoCalGas
Authorized weighting
Return on
rate base
Weighted
return on
rate base
 
Authorized weighting
Return on
rate base
Weighted
return on
rate base
45.25
%
4.59
%
2.08
%
Long-Term Debt
45.60
%
4.23
%
1.93
%
2.75
 
6.22
 
0.17
 
Preferred Stock
2.40
 
6.00
 
0.14
 
52.00
 
10.20
 
5.30
 
Common Equity
52.00
 
10.05
 
5.23
 
100.00
%
 
 
7.55
%
 
100.00
%
 
 
7.30
%

Schedule Of FERC Cost Of Capital Table
SDG&E’s current estimated FERC return on rate base under the TO4 formula rate request filing is 7.51% based on its capital structure as follows:
FERC–AUTHORIZED COST OF CAPITAL AND RATE STRUCTURE – SDG&E
 
 
Weighting
 
Return on rate base
 
Weighted return on rate base
 
Long-Term Debt
43.44
%
4.21
%
1.83
%
Common Equity
56.56
 
10.05
 
5.68
 
 
100.00
%
 
 
7.51
%