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Fair Value Measurements
12 Months Ended
Dec. 31, 2018
Fair Value Measurements [Abstract]  
FAIR VALUE MEASUREMENTS

13. FAIR VALUE MEASUREMENTS

The Company is required to determine the fair value of all derivatives except those which qualify for the NPNS exemption (refer to note 1) and uses a market approach to do so. The three levels of the fair value hierarchy are defined as follows:

Level 1 - Where possible, the Company bases the fair valuation of its financial assets and liabilities on quoted prices in active markets (“quoted prices”) for identical assets and liabilities.

Level 2 - Where quoted prices for identical assets and liabilities are not available, the valuation of certain contracts must be based on quoted prices for similar assets and liabilities with an adjustment related to location differences. Also, certain derivatives are valued using quotes from over-the-counter clearing houses.

Level 3 - Where the information required for a Level 1 or Level 2 valuation is not available, derivatives must be valued using unobservable or internally-developed inputs. The primary reasons for a Level 3 classification are as follows:

  • While valuations were based on quoted prices, significant assumptions were necessary to reflect seasonal or monthly shaping and locational basis differentials.
  • The term of certain transactions extends beyond the period when quoted prices are available, and accordingly, assumptions were made to extrapolate prices from the last quoted period through the end of the transaction term.
  • The valuations of certain transactions were based on internal models, although quoted prices were utilized in the valuations.

Derivative assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement.

The following tables set out the classification of the methodology used by the Company to fair value its derivatives:

As atDecember 31, 2018
millions of Canadian dollarsLevel 1Level 2Level 3Total
Assets
Regulatory deferral
Commodity swaps and forwards
Coal purchases - 70 - 70
Power purchases 2 - - 2
Natural gas purchases and sales - 2 - 2
Heavy fuel oil purchases - 1 - 1
Foreign exchange forwards - 29 - 29
2 102 - 104
HFT derivatives
Power swaps and physical contracts 2 2 3 7
Natural gas swaps, futures, forwards, physical contracts and related transportation 1 36 18 55
3 38 21 62
Other derivatives
Interest rate swap - 1 - 1
- 1 - 1
Total assets 5 141 21 167
Liabilities
Cash flow hedges
Foreign exchange forwards - 5 - 5
- 5 - 5
Regulatory deferral
Commodity swaps and forwards
Coal purchases - 1 - 1
Power purchases 1 - - 1
Heavy fuel oil purchases - 1 - 1
Natural gas purchases and sales 3 - - 3
4 2 - 6
HFT derivatives
Power swaps and physical contracts 14 6 1 21
Natural gas swaps, futures, forwards and physical contracts - 28 305 333
14 34 306 354
Total liabilities 18 41 306 365
Net assets (liabilities) $ (13)$ 100$ (285)$ (198)

As atDecember 31, 2017
millions of Canadian dollarsLevel 1Level 2Level 3Total
Assets
Cash flow hedges
Power swaps$ 5$ - $ - $ 5
Foreign exchange forwards - 2 - 2
5 2 - 7
Regulatory deferral
Commodity swaps and forwards
Coal purchases - 127 - 127
Power purchases 5 - - 5
Natural gas purchases and sales - 5 - 5
Heavy fuel oil purchases 4 8 - 12
Foreign exchange forwards - 32 - 32
9 172 - 181
HFT derivatives
Power swaps and physical contracts - 3 9 12
Natural gas swaps, futures, forwards, physical contracts and related transportation - 26 25 51
- 29 34 63
Other derivatives
Interest rate swap - 2 - 2
- 2 - 2
Total assets 14 205 34 253
Liabilities
Cash flow hedges
Power swaps 2 - - 2
Foreign exchange forwards - 5 - 5
2 5 - 7
Regulatory deferral
Power purchases 3 - - 3
Natural gas purchased and sales 5 1 - 6
Foreign exchange forwards - 4 - 4
8 5 - 13
HFT derivatives
Power swaps and physical contracts 49 5 (4) 50
Natural gas swaps, futures, forwards and physical contracts 6 47 187 240
55 52 183 290
Total liabilities 65 62 183 310
Net assets (liabilities)$ (51)$ 143$ (149)$ (57)

The change in the fair value of the Level 3 financial assets for the year ended December 31, 2018 was as follows:
HFT Derivatives
millions of Canadian dollarsPower Naturalgas Total
Balance, January 1, 2018$ 9$ 25$ 34
Total realized and unrealized gains (losses) included in non-regulated operating revenues (6) (7) (13)
Balance, December 31, 2018$ 3$ 18$ 21

The change in the fair value of the Level 3 financial liabilities for the year ended December 31, 2018 was as follows:
HFT Derivatives
millions of Canadian dollarsPower Naturalgas Total
Balance, January 1, 2018$ (4)$ 187$ 183
Total realized and unrealized gains (losses) included in non-regulated operating revenues 5 118 123
Balance, December 31, 2018 $ 1$ 305$ 306

The Company evaluates the observable inputs of market data on a quarterly basis in order to determine if transfers between levels is appropriate. For the year ended December 31, 2018, there were no transfers between levels.

Significant unobservable inputs used in the fair value measurement of Emera’s natural gas and power derivatives include third-party-sourced pricing for instruments based on illiquid markets; internally developed correlation factors and basis differentials; own credit risk; and discount rates. Internally developed correlations and basis differentials are reviewed on a quarterly basis based on statistical analysis of the spot markets in the various illiquid term markets. Where possible, Emera also sources multiple broker prices in an effort to evaluate and substantiate these unobservable inputs. Discount rates may include a risk premium for those long-term forward contracts with illiquid future price points to incorporate the inherent uncertainty of these points. Any risk premiums for long-term contracts are evaluated by observing similar industry practices and in discussion with industry peers. Significant increases (decreases) in any of these inputs in isolation would result in a significantly lower (higher) fair value measurement.

The following table outlines quantitative information about the significant unobservable inputs used in the fair value measurements categorized within Level 3 of the fair value hierarchy:

As at December 31, 2018
millions of Canadian dollarsFair ValueValuationTechnique Unobservable InputRange Weighted average
Assets
HFT derivatives –$ 3Modelled pricingThird-party pricing$24.31 - $50.29$31.43
Power swaps andProbability of default0.03% - 0.13%0.13%
physical contractsDiscount rate0.03% - 2.19%1.45%
Correlation factor84.98% - 84.98%84.98%
HFT derivatives 8Modelled pricingThird-party pricing$1.80 - $12.21$4.75
Natural gas swaps, futures, Probability of default0.01% - 2.94%0.24%
forwards, physical contracts Discount rate0.01% - 30.62%4.25%
and related transportation 10Modelled pricingThird-party pricing$1.95 - $12.90$8.68
Basis adjustment$0.07 - $3.43$1.88
Probability of default0.01% - 3.20%0.57%
Discount rate0.01% - 7.61%0.42%
Total assets$ 21
Liabilities
HFT derivatives$ 1Modelled pricingThird-party pricing$20.80 - $50.29$26.38
Power swaps andProbability of default0.08% - 0.29%0.15%
physical contractsDiscount rate0.03% - 2.99%1.65%
Correlation factor84.98% - 84.98%84.98%
HFT derivatives 286Modelled pricingThird-party pricing$1.48 - $12.90$5.75
Natural gas swaps, futures, Own credit risk0.01% - 2.94%0.09%
forwards and physical contractsDiscount rate0.01% - 11.96%2.35%
19Modelled pricingThird-party pricing$2.15 - $13.18$7.54
Basis adjustment$0.07 - $3.43$2.67
Own credit risk0.01% - 2.76%0.10%
Discount rate0.01% - 7.61%1.38%
Total liabilities$ 306
Net assets (liabilities) $ (285)

As at December 31, 2017
millions of Canadian dollarsFair ValueValuationTechnique Unobservable InputRange Weighted average
Assets
HFT derivatives$ 1Modelled pricingThird-party pricing$24.88 - $117.90$92.93
Power swaps andProbability of default0.00% - 0.01%0.00%
physical contracts Discount rate0.00% - 0.13%0.00%
8Modelled pricingThird-party pricing$63.48 - $117.00$102.68
Correlation factor0.94% - 0.99%0.96%
Probability of default0.00% - 0.00%0.00%
Discount rate0.00% - 0.00%0.00%
HFT derivatives 18Modelled pricingThird-party pricing$2.06 - $8.24$3.61
Natural gas swaps,Probability of default0.00% - 0.05%0.00%
futures, forwards,Discount rate0.00% - 0.29%0.06%
physical contracts 7Modelled pricingThird-party pricing$2.04 - $12.52$6.42
and related transportationBasis adjustment0.08% - 0.71%0.52%
Probability of default0.00% - 0.00%0.00%
Discount rate0.00% - 0.09%0.01%
Total assets$ 34
Liabilities
HFT derivatives$ (6)Modelled pricingThird-party pricing$24.88 - $117.90$95.46
Power swaps and Own credit risk0.00% - 0.01%0.00%
physical contractsDiscount rate0.00% - 0.13%0.00%
2Modelled pricingThird-party pricing$94.5 - $117.00$105.52
Correlation factor0.94% - 0.99%0.96%
Probability of default0.00% - 0.00%0.00%
Discount rate0.00% - 0.00%0.00%
HFT derivatives 172Modelled pricingThird-party pricing$1.89 - $11.81$4.64
Natural gas swaps, futures, Own credit risk0.00% - 0.00%0.00%
forwards and physical contractsDiscount rate0.00% - 0.12%0.02%
15Modelled pricingThird-party pricing$2.15 - $12.52$8.94
Basis adjustment0.08% - 0.71%0.53%
Own credit risk0.00% - 0.00%0.00%
Discount rate0.00% - 0.08%0.01%
Total liabilities$ 183
Net assets (liabilities) $ (149)

The financial assets and liabilities included on the Consolidated Balance Sheets that are not measured at fair value consisted of the following:
As at
millions of Canadian dollarsCarrying AmountFair ValueLevel 1Level 2Level 3Total
December 31, 2018$ 15,411$ 15,908$ - $ 14,991$ 917$ 15,908
December 31, 2017$ 13,881$ 15,217$ 69$ 14,346$ 802$ 15,217

The Company has designated $1.2 billion United States dollar denominated Hybrid Notes as a hedge of the foreign currency exposure of its net investment in United States dollar denominated operations. An after-tax foreign currency loss of $122 million was recorded in Other Comprehensive Income for the year ended December 31, 2018 (2017 – $97 million gain after-tax). There was no ineffectiveness for the year ended December 31, 2018 (2017nil).