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DERIVATIVE INSTRUMENTS: (Tables)

12 Months Ended

Dec. 31, 2021

DERIVATIVE INSTRUMENTS:

Schedule of derivative instruments

​

​	​	​	​	​	​	​	​
​	​	Call		​	Financial Swap		​
Derivatives designated as hedging instruments under ASC 815	​	Option		​	Cash Settlement		​
Commodity contracts	​	​	Natural gas	​	​	Natural gas	​
Gas volume (MMBTUs)	​	​	5,285,000	​	​	5,285,000	​
Fixed price ($)	​	​	0.55	​	​	3.75	​
Total option premium (millions of $)	​		1.7	​	​	N/A	​
Estimated fair value of assets (liabilities) as of December 31, 2021 (millions of $)	​		(0.9)	​	​	0.1	​
(Favorable) unfavorable effect of derivative instruments on the consolidated Statement of Earnings (millions of $)	​		1.2	​	​	(3.0)	​
(Favorable) unfavorable effect in OCI - net of deferred income taxes (millions of $)	​	​	(0.6)	​	​	(*)	​

(*)   Less than $0.1 million.

​

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- Definition

Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item.

+ References

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