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FAIR VALUE MEASUREMENTS
9 Months Ended
Sep. 30, 2018
Fair Value Disclosures [Abstract]  
Fair Value Measurements FAIR VALUE MEASUREMENTS
We discuss the valuation techniques and inputs we use to measure fair value and the definition of the three levels of the fair value hierarchy in Note 1 of the Notes to Consolidated Financial Statements in the Annual Report.
RECURRING FAIR VALUE MEASURES
The three tables below, by level within the fair value hierarchy, set forth our financial assets and liabilities that were accounted for at fair value on a recurring basis at September 30, 2018 and December 31, 2017. We classify financial assets and liabilities in their entirety based on the lowest level of input that is significant to the fair value measurement. Our assessment of the significance of a particular input to the fair value measurement requires judgment, and may affect the valuation of fair value assets and liabilities, and their placement within the fair value hierarchy. We have not changed the valuation techniques or types of inputs we use to measure recurring fair value during the nine months ended September 30, 2018.
The fair value of commodity derivative assets and liabilities is presented in accordance with our netting policy, as we discuss in Note 8 under “Financial Statement Presentation.”
The determination of fair values, shown in the tables below, incorporates various factors, including but not limited to, the credit standing of the counterparties involved and the impact of credit enhancements (such as cash deposits, letters of credit and priority interests).
Our financial assets and liabilities that were accounted for at fair value on a recurring basis in the tables below include the following (other than a $10 million investment at September 30, 2018 measured at net asset value):
Nuclear decommissioning trusts reflect the assets of SDG&E’s NDT, excluding cash balances. A third party trustee values the trust assets using prices from a pricing service based on a market approach. We validate these prices by comparison to prices from other independent data sources. Securities are valued using quoted prices listed on nationally recognized securities exchanges or based on closing prices reported in the active market in which the identical security is traded (Level 1). Other securities are valued based on yields that are currently available for comparable securities of issuers with similar credit ratings (Level 2).
For commodity contracts, interest rate derivatives and foreign exchange instruments, we primarily use a market approach with market participant assumptions to value these derivatives. Market participant assumptions include those about risk, and the risk inherent in the inputs to the valuation techniques. These inputs can be readily observable, market corroborated, or generally unobservable. We have exchange-traded derivatives that are valued based on quoted prices in active markets for the identical instruments (Level 1). We also may have other commodity derivatives that are valued using industry standard models that consider quoted forward prices for commodities, time value, current market and contractual prices for the underlying instruments, volatility factors, and other relevant economic measures (Level 2). Level 3 recurring items relate to CRRs and long-term, fixed-price electricity positions at SDG&E, as we discuss below in “Level 3 Information.”
Rabbi Trust investments include marketable securities that we value using a market approach based on closing prices reported in the active market in which the identical security is traded (Level 1). These investments in marketable securities were negligible at both September 30, 2018 and December 31, 2017.
There were no transfers into or out of Level 1, Level 2 or Level 3 for Sempra Energy Consolidated, SDG&E or SoCalGas during the periods presented.
RECURRING FAIR VALUE MEASURES – SEMPRA ENERGY CONSOLIDATED
(Dollars in millions)
 
Fair value at September 30, 2018
 
Level 1
 
Level 2
 
Level 3
 
Total
Assets:
 
 
 
 
 
 
 
Nuclear decommissioning trusts:
 
 
 
 
 
 
 
Equity securities
$
482

 
$
4

 
$

 
$
486

Debt securities:
 
 
 
 
 
 
 
Debt securities issued by the U.S. Treasury and other
 
 
 
 
 
 
 
U.S. government corporations and agencies
40

 
10

 

 
50

Municipal bonds

 
258

 

 
258

Other securities

 
231

 

 
231

Total debt securities
40

 
499

 

 
539

Total nuclear decommissioning trusts(1)
522

 
503

 

 
1,025

Interest rate and foreign exchange instruments(2)

 
45

 

 
45

Commodity contracts not subject to rate recovery
4

 
7

 

 
11

Effect of netting and allocation of collateral(3)
11

 

 

 
11

Commodity contracts subject to rate recovery

 
5

 
101

 
106

Effect of netting and allocation of collateral(3)
24

 

 
5

 
29

Total
$
561

 
$
560

 
$
106

 
$
1,227

 
 
 
 
 
 
 
 
Liabilities:
 
 
 
 
 
 
 
Interest rate and foreign exchange instruments
$

 
$
132

 
$

 
$
132

Commodity contracts not subject to rate recovery

 
12

 

 
12

Commodity contracts subject to rate recovery
3

 
5

 
113

 
121

Effect of netting and allocation of collateral(3)
(3
)
 

 

 
(3
)
Total
$

 
$
149

 
$
113

 
$
262

 
 
 
 
 
 
 
 
 
Fair value at December 31, 2017
 
Level 1
 
Level 2
 
Level 3
 
Total
Assets:
 
 
 
 
 
 
 
Nuclear decommissioning trusts:
 
 
 
 
 
 
 
Equity securities
$
491

 
$
5

 
$

 
$
496

Debt securities:
 
 
 
 
 
 
 
Debt securities issued by the U.S. Treasury and other
 
 
 
 
 
 
 
U.S. government corporations and agencies
45

 
9

 

 
54

Municipal bonds

 
250

 

 
250

Other securities

 
217

 

 
217

Total debt securities
45

 
476

 

 
521

Total nuclear decommissioning trusts(1)
536

 
481

 

 
1,017

Interest rate and foreign exchange instruments

 
7

 

 
7

Commodity contracts not subject to rate recovery
5

 
12

 

 
17

Effect of netting and allocation of collateral(3)
2

 

 

 
2

Commodity contracts subject to rate recovery

 
2

 
126

 
128

Effect of netting and allocation of collateral(3)
12

 

 
5

 
17

Total
$
555

 
$
502

 
$
131

 
$
1,188

 
 
 
 
 
 
 
 
Liabilities:
 
 
 
 
 
 
 
Interest rate and foreign exchange instruments
$

 
$
217

 
$

 
$
217

Commodity contracts not subject to rate recovery

 
6

 

 
6

Commodity contracts subject to rate recovery
23

 
7

 
154

 
184

Effect of netting and allocation of collateral(3)
(23
)
 

 

 
(23
)
Total
$

 
$
230

 
$
154

 
$
384

(1) 
Excludes cash balances and cash equivalents.
(2) 
Includes $3 million of interest rate instruments classified as Assets Held for Sale, as we discuss in Note 5.
(3) 
Includes the effect of the contractual ability to settle contracts under master netting agreements and with cash collateral, as well as cash collateral not offset.
 
RECURRING FAIR VALUE MEASURES – SDG&E
(Dollars in millions)
 
Fair value at September 30, 2018
 
Level 1
 
Level 2
 
Level 3
 
Total
Assets:
 
 
 
 
 
 
 
Nuclear decommissioning trusts:
 
 
 
 
 
 
 
Equity securities
$
482

 
$
4

 
$

 
$
486

Debt securities:
 
 
 
 
 
 
 
Debt securities issued by the U.S. Treasury and other
 
 
 
 
 
 
 
U.S. government corporations and agencies
40

 
10

 

 
50

Municipal bonds

 
258

 

 
258

Other securities

 
231

 

 
231

Total debt securities
40

 
499

 

 
539

Total nuclear decommissioning trusts(1)
522

 
503

 

 
1,025

Commodity contracts subject to rate recovery

 
2

 
101

 
103

Effect of netting and allocation of collateral(2)
21

 

 
5

 
26

Total
$
543

 
$
505

 
$
106

 
$
1,154

 
 
 
 
 
 
 
 
Liabilities:
 
 
 
 
 
 
 
Interest rate instruments
$

 
$
4

 
$

 
$
4

Commodity contracts subject to rate recovery
3

 

 
113

 
116

Effect of netting and allocation of collateral(2)
(3
)
 

 

 
(3
)
Total
$

 
$
4

 
$
113

 
$
117

 
 
 
 
 
 
 
 
 
Fair value at December 31, 2017
 
Level 1
 
Level 2
 
Level 3
 
Total
Assets:
 
 
 
 
 
 
 
Nuclear decommissioning trusts:
 
 
 
 
 
 
 
Equity securities
$
491

 
$
5

 
$

 
$
496

Debt securities:
 
 
 
 
 
 
 
Debt securities issued by the U.S. Treasury and other
 
 
 
 
 
 
 
U.S. government corporations and agencies
45

 
9

 

 
54

Municipal bonds

 
250

 

 
250

Other securities

 
217

 

 
217

Total debt securities
45

 
476

 

 
521

Total nuclear decommissioning trusts(1)
536

 
481

 

 
1,017

Commodity contracts subject to rate recovery

 

 
126

 
126

Effect of netting and allocation of collateral(2)
11

 

 
5

 
16

Total
$
547

 
$
481

 
$
131

 
$
1,159

 
 
 
 
 
 
 
 
Liabilities:
 
 
 
 
 
 
 
Interest rate instruments
$

 
$
13

 
$

 
$
13

Commodity contracts subject to rate recovery
23

 
5

 
154

 
182

Effect of netting and allocation of collateral(2)
(23
)
 

 

 
(23
)
Total
$

 
$
18

 
$
154

 
$
172

(1) 
Excludes cash balances and cash equivalents.
(2) 
Includes the effect of the contractual ability to settle contracts under master netting agreements and with cash collateral, as well as cash collateral not offset.
 
RECURRING FAIR VALUE MEASURES – SOCALGAS
(Dollars in millions)
 
Fair value at September 30, 2018
 
Level 1
 
Level 2
 
Level 3
 
Total
Assets:
 
 
 
 
 
 
 
Commodity contracts subject to rate recovery
$

 
$
3

 
$

 
$
3

Effect of netting and allocation of collateral(1)
3

 

 

 
3

Total
$
3

 
$
3

 
$

 
$
6

 
 
 
 
 
 
 
 
Liabilities:
 
 
 
 
 
 
 
Commodity contracts subject to rate recovery
$

 
$
5

 
$

 
$
5

Total
$

 
$
5

 
$

 
$
5

 
 
 
 
 
 
 
 
 
Fair value at December 31, 2017
 
Level 1
 
Level 2
 
Level 3
 
Total
Assets:
 
 
 
 
 
 
 
Commodity contracts subject to rate recovery
$

 
$
2

 
$

 
$
2

Effect of netting and allocation of collateral(1)
1

 

 

 
1

Total
$
1

 
$
2

 
$

 
$
3

 
 
 
 
 
 
 
 
Liabilities:
 
 
 
 
 
 
 
Commodity contracts subject to rate recovery
$

 
$
2

 
$

 
$
2

Total
$

 
$
2

 
$

 
$
2

(1) 
Includes the effect of the contractual ability to settle contracts under master netting agreements and with cash collateral, as well as cash collateral not offset.
Level 3 Information
The following table sets forth reconciliations of changes in the fair value of CRRs and long-term, fixed-price electricity positions classified as Level 3 in the fair value hierarchy for Sempra Energy Consolidated and SDG&E.
LEVEL 3 RECONCILIATIONS(1)
(Dollars in millions)
 
Three months ended September 30,
 
2018
 
2017
Balance at July 1
$
(31
)
 
$
(90
)
Realized and unrealized gains
6

 
30

Settlements
13

 
23

Balance at September 30
$
(12
)
 
$
(37
)
Change in unrealized gains (losses) relating to instruments still held at September 30
$
6

 
$
38

 
Nine months ended September 30,
 
2018
 
2017
Balance at January 1
$
(28
)
 
$
(74
)
Realized and unrealized gains
21

 
14

Allocated transmission instruments
3

 

Settlements
(8
)
 
23

Balance at September 30
$
(12
)
 
$
(37
)
Change in unrealized gains (losses) relating to instruments still held at September 30
$

 
$
26

(1) 
Excludes the effect of the contractual ability to settle contracts under master netting agreements.

SDG&E’s Energy and Fuel Procurement department, in conjunction with SDG&E’s finance group, is responsible for determining the appropriate fair value methodologies used to value and classify CRRs and long-term, fixed-price electricity positions on an ongoing basis. Inputs used to determine the fair value of CRRs and fixed-price electricity positions are reviewed and compared with market conditions to determine reasonableness. SDG&E expects all costs related to these instruments to be recoverable through customer rates. As such, there is no impact to earnings from changes in the fair value of these instruments.
CRRs are recorded at fair value based almost entirely on the most current auction prices published by the California ISO, an objective source. Annual auction prices are published once a year, typically in the middle of November, and are the basis for valuing CRRs settling in the following year. For the CRRs settling from January 1 to December 31, the auction price inputs, at a given location, were in the following ranges for the years indicated below:
CONGESTION REVENUE RIGHTS AUCTION PRICE INPUTS
 
Settlement year
 
Price per MWh
2018
 
$
(7.25
)
to
$
11.99

2017
 
(11.88
)
to
6.93



The impact associated with discounting is negligible. Because these auction prices are a less observable input, these instruments are classified as Level 3. The fair value of these instruments is derived from auction price differences between two locations. Positive values between two locations represent expected future reductions in congestion costs, whereas negative values between two locations represent expected future charges. Valuation of our CRRs is sensitive to a change in auction price. If auction prices at one location increase (decrease) relative to another location, this could result in a higher (lower) fair value measurement. We summarize CRR volumes in Note 8.
Long-term, fixed-price electricity positions that are valued using significant unobservable data are classified as Level 3 because the contract terms relate to a delivery location or tenor for which observable market rate information is not available. The fair value of the net electricity positions classified as Level 3 is derived from a discounted cash flow model using market electricity forward price inputs. These inputs range from $20.40 per MWh to $59.85 per MWh at September 30, 2018, and $21.35 per MWh to $48.97 per MWh at September 30, 2017. A significant increase or decrease in market electricity forward prices would result in a significantly higher or lower fair value, respectively. We summarize long-term, fixed-price electricity position volumes in Note 8.
Realized gains and losses associated with CRRs and long-term electricity positions, which are recoverable in rates, are recorded in Cost of Electric Fuel and Purchased Power on the Condensed Consolidated Statements of Operations. Unrealized gains and losses are recorded as regulatory assets and liabilities and therefore do not affect earnings.
Fair Value of Financial Instruments
The fair values of certain of our financial instruments (cash, accounts and notes receivable, short-term amounts due to/from unconsolidated affiliates, dividends and accounts payable, short-term debt and customer deposits) approximate their carrying amounts because of the short-term nature of these instruments. Investments in life insurance contracts that we hold in support of our Supplemental Executive Retirement, Cash Balance Restoration and Deferred Compensation Plans are carried at cash surrender values, which represent the amount of cash that could be realized under the contracts. The following table provides the carrying amounts and fair values of certain other financial instruments that are not recorded at fair value on the Condensed Consolidated Balance Sheets:
FAIR VALUE OF FINANCIAL INSTRUMENTS
(Dollars in millions)
 
September 30, 2018
 
Carrying
amount
 
Fair value
 
 
Level 1
 
Level 2
 
Level 3
 
Total
Sempra Energy Consolidated:
 
 
 
 
 
 
 
 
 
Long-term amounts due from unconsolidated affiliates(1)
$
626

 
$

 
$
599

 
$
40

 
$
639

Long-term amounts due to unconsolidated affiliates(2)
35

 

 
32

 

 
32

Total long-term debt(3)(4)(5)
22,207

 
738

 
20,791

 
487

 
22,016

SDG&E:
 
 
 
 
 
 
 
 
 
Total long-term debt(5)(6)
$
5,064

 
$

 
$
4,902

 
$
287

 
$
5,189

SoCalGas:
 
 
 
 
 
 
 
 
 
Total long-term debt(7)
$
3,459

 
$

 
$
3,474

 
$

 
$
3,474

 
 
 
 
 
 
 
 
 
 
 
December 31, 2017
 
Carrying
amount
 
Fair value
 
 
Level 1
 
Level 2
 
Level 3
 
Total
Sempra Energy Consolidated:
 
 
 
 
 
 
 
 
 
Long-term amounts due from unconsolidated affiliates(1)
$
604

 
$

 
$
528

 
$
96

 
$
624

Long-term amounts due to unconsolidated affiliates(2)
35

 

 
32

 

 
32

Total long-term debt(4)(5)
17,138

 
817

 
17,134

 
458

 
18,409

SDG&E:
 
 
 
 
 
 
 
 
 
Total long-term debt(5)(6)
$
4,868

 
$

 
$
5,073

 
$
295

 
$
5,368

SoCalGas:
 
 
 
 
 
 
 
 
 
Total long-term debt(7)
$
3,009

 
$

 
$
3,192

 
$

 
$
3,192

(1) 
Excludes accumulated interest outstanding of $66 million and $29 million at September 30, 2018 and December 31, 2017, respectively, and excludes foreign currency translation losses of $10 million and $35 million on a Mexican peso-denominated loan at September 30, 2018 and December 31, 2017, respectively.
(2) 
Excludes accumulated interest of $1 million outstanding at September 30, 2018 and negligible interest outstanding at December 31, 2017.  
(3) 
Includes $70 million of long-term debt classified as Liabilities Held for Sale, as we discuss in Notes 5 and 7.
(4) 
Before reductions for unamortized discount (net of premium) and debt issuance costs of $211 million and $143 million at September 30, 2018 and December 31, 2017, respectively, and excludes build-to-suit and capital lease obligations of $873 million and $877 million at September 30, 2018 and December 31, 2017, respectively. We discuss our long-term debt in Note 7 above and in Note 5 of the Notes to Consolidated Financial Statements in the Annual Report.
(5) 
Level 3 instruments include $287 million and $295 million at September 30, 2018 and December 31, 2017, respectively, related to Otay Mesa VIE.
(6) 
Before reductions for unamortized discount and debt issuance costs of $49 million and $45 million at September 30, 2018 and December 31, 2017, respectively, and excludes capital lease obligations of $725 million and $732 million at September 30, 2018 and December 31, 2017, respectively.
(7) 
Before reductions for unamortized discount and debt issuance costs of $33 million and $24 million at September 30, 2018 and December 31, 2017, respectively, and excludes capital lease obligations of $4 million and $1 million at September 30, 2018 and December 31, 2017, respectively.

We provide the fair values for the securities held in the NDT related to SONGS in Note 10.NON-RECURRING FAIR VALUE MEASURES
Sempra Renewables
U.S. Wind Investments
As we discuss in Notes 5 and 6, on June 25, 2018, our board of directors approved a plan to sell all our wind and solar equity method investments at Sempra Renewables. Because of our expectation of a shorter holding period as a result of this plan of sale, we evaluated the recoverability of the carrying amounts of each of these investments and concluded there is an other-than-temporary impairment on certain of our wind equity method investments totaling $200 million ($145 million after tax), which we recorded in Equity Earnings on Sempra Energy’s Condensed Consolidated Statement of Operations for the nine months ended September 30, 2018. We measured the estimated fair value of $145 million at June 25, 2018 using a discounted cash flow model including significant unobservable inputs, adjusted for our applicable ownership percentages, which is a Level 3 measurement in the fair value hierarchy. The key inputs to the methodology were contracted and merchant pricing, and the discount rate.
Sempra LNG & Midstream
Non-Utility Natural Gas Storage Assets
As we discuss in Note 5, on June 25, 2018, our board of directors approved a plan to sell Mississippi Hub and our 90.9-percent ownership interest in Bay Gas (the non-utility natural gas storage assets). We also own other U.S. midstream assets that are not included in the plan of sale and primarily include our 75.4-percent interest in LA Storage, a salt cavern development project in Cameron Parish, Louisiana. The LA Storage project also includes an existing 23.3-mile pipeline header system that is not currently contracted.
Because of the plan of sale, we considered a market participant’s view of the total value of the non-utility natural gas storage assets and determined that their fair value, less costs to sell, may be less than their carrying value. Additionally, our inability to secure customer contracts that would support further investment in LA Storage has led us to assess and conclude that the full carrying value of these other U.S. midstream assets may not be recoverable. As a result, we recorded an impairment of $1.3 billion ($755 million after tax and noncontrolling interest) in Impairment Losses on Sempra Energy’s Condensed Consolidated Statement of Operations for the nine months ended September 30, 2018.
We measured the estimated fair value of $190 million at June 25, 2018 using a discounted cash flow approach. This approach included unobservable inputs, resulting in a Level 3 measurement in the fair value hierarchy. We considered a market participant’s view of the values of the non-utility natural gas storage assets based on an estimation of future net cash flows. To estimate future net cash flows, we considered the non-utility natural gas storage assets’ prospects for generating revenues and cash flows beyond their existing contracted capacity and tenors, including natural gas price volatility and seasonality factors, as well as discount rates commensurate with the risks inherent in the cash flows.
The following table summarizes significant inputs that impacted our non-recurring fair value measures.
NON-RECURRING FAIR VALUE MEASURES – SEMPRA ENERGY CONSOLIDATED
 
 
 
 
 
Estimated
fair
value (in millions)
 
Valuation technique
 
Fair
value
hierarchy
 
% of
fair value
measurement
 
Inputs used to
develop
measurement
 
Range of
inputs
 
Certain of our U.S. wind equity method investments
$
145

 
(1) 
 
Discounted cash flows
 
Level 3
 
100%
 
Contracted and observable merchant prices per MWh
 
$29 - $92
(2) 
 
 
 
 
 
 
 
 
 
 
 
 
Discount rate
 
8% - 10%
(3) 
Non-utility natural gas storage assets
$
190

 
(4) 
 
Discounted cash flows
 
Level 3
 
100%
 
Storage rates
per Dth/month
 
$0.06 - $0.22
(2) 
 
 
 
 
 
 
 
 
 
 
 
 
Discount rate
 
10%
(3) 
(1) 
At measurement date of June 25, 2018. At September 30, 2018, these U.S. wind equity method investments had a carrying value of $136 million reflecting subsequent business activity.
(2) 
Generally, significant increases (decreases) in this input in isolation would result in a significantly higher (lower) fair value measurement.
(3) 
An increase in the discount rate would result in a decrease in fair value.
(4) 
At measurement date of June 25, 2018. At September 30, 2018, Mississippi Hub and Bay Gas were classified as held for sale and had a net carrying value of $141 million, reflecting subsequent business activity and estimated costs to sell, as we discuss in Note 5. Our other U.S. midstream assets that were measured at fair value, including LA Storage, continue to be classified as property, plant and equipment and had a net carrying value of $32 million at September 30, 2018.