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Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2019

Gas And Electric Supply Contractual Obligations

The table below lists the Company’s known specified gas and electric supply contractual obligations as of December 31, 2019.

						Payments Due by Period
Gas and Electric Supply Contractual Obligations (millions) as of December 31, 2019		Total				2020				2021				2022				2023				2024				2025 & Beyond
Gas Supply Contracts		$	584.8			$	45.6			$	48.7			$	48.0			$	45.5			$	36.5			$	360.5
Electric Supply Contracts			14.2				2.0				1.2				1.2				1.2				1.2				7.4
Total		$	599.0			$	47.6			$	49.9			$	49.2			$	46.7			$	37.7			$	367.9

Environmental Obligations Recognized by Company

The following table sets forth a summary of changes in the Company’s liability for the current and long-term portions of the Company’s environmental obligations, which are included in Other Current Liabilities and Other Noncurrent Liabilities, respectively, on the Company’s Consolidated Balance Sheets as of December 31, 2019 and 2018.

Environmental Obligations

		(millions)
		Fitchburg								Northern Utilities								Total
		2019				2018				2019				2018				2019				2018
Total Balance at Beginning of Period		$	—			$	0.1			$	2.0			$	2.0			$	2.0			$	2.1
Additions			—				—				0.9				0.3				0.9				0.3
Less: Payments / Reductions			—				0.1				0.2				0.3				0.2				0.4
Total Balance at End of Period		$	—			$	—			$	2.7			$	2.0			$	2.7			$	2.0
Less: Current Portion			—				—				0.6				0.6				0.6				0.6
Noncurrent Balance at December 31,		$	—			$	—			$	2.1			$	1.4			$	2.1			$	1.4

X

- Definition

Tabular disclosure of contractual obligation by timing of payment due. Includes, but is not limited to, long-term debt obligation, lease obligation, and purchase obligation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 303
-Paragraph (a)
-Subparagraph (5)

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X

- Definition

Tabular disclosure of environmental loss contingencies by individual site. Does not include loss contingencies that are not environmental in nature.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13296-110859

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section S99
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-URI http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751

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-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
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