XML 32 R20.htm IDEA: XBRL DOCUMENT v3.23.2

Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2023

Components of Gas and Electric Operating Revenue

In the following tables, revenue is classified by the types of goods/services rendered and market/customer type.

		Three Months Ended June 30, 2023
Electric and Gas Operating Revenues (millions):		Electric				Gas				Total
Billed and Unbilled Revenue:
Residential		$	39.8			$	17.9			$	57.7
Commercial and Industrial			28.1				26.4				54.5
Other			1.9				1.0				2.9
Total Billed and Unbilled Revenue			69.8				45.3				115.1
Rate Adjustment Mechanism Revenue			(5.3	)			(6.4	)			(11.7	)
Total Electric and Gas Operating Revenues		$	64.5			$	38.9			$	103.4

		Three Months Ended June 30, 2022
Electric and Gas Operating Revenues (millions):		Electric				Gas				Total
Billed and Unbilled Revenue:
Residential		$	33.8			$	18.1			$	51.9
Commercial and Industrial			25.7				28.0				53.7
Other			4.6				3.5				8.1
Total Billed and Unbilled Revenue			64.1				49.6				113.7
Rate Adjustment Mechanism Revenue			(9.8	)			(5.0	)			(14.8	)
Total Electric and Gas Operating Revenues		$	54.3			$	44.6			$	98.9

		Six Months Ended June 30, 2023
Electric and Gas Operating Revenues (millions):		Electric				Gas				Total
Billed and Unbilled Revenue:
Residential		$	99.9			$	67.0			$	166.9
Commercial and Industrial			62.9				95.6				158.5
Other			4.6				4.6				9.2
Total Billed and Unbilled Revenue			167.4				167.2				334.6
Rate Adjustment Mechanism Revenue			5.3				(16.3	)			(11.0	)
Total Electric and Gas Operating Revenues		$	172.7			$	150.9			$	323.6

		Six Months Ended June 30, 2022
Electric and Gas Operating Revenues (millions):		Electric				Gas				Total
Billed and Unbilled Revenue:
Residential		$	83.0			$	63.6			$	146.6
Commercial and Industrial			56.7				92.7				149.4
Other			9.1				7.0				16.1
Total Billed and Unbilled Revenue			148.8				163.3				312.1
Rate Adjustment Mechanism Revenue			(5.3	)			(15.3	)			(20.6	)
Total Electric and Gas Operating Revenues		$	143.5			$	148.0			$	291.5

Estimated Percentage of Decoupled Sales

The following table shows the estimated percentages of electric and gas sales that are subject to revenue decoupling for the periods presented.

Revenue Decoupling
Estimated Percentage of Decoupled Sales
For Periods Presented
Electric
Before June 1, 2022	27%
After June 1, 2022	Substantially All
Gas
Before August 1, 2022	11%
After August 1, 2022	43%

Allowance for Doubtful Accounts Included in Accounts Receivable Net

The Allowance for Doubtful Accounts as of June 30, 2023, June 30, 2022 and December 31, 2022, was as follows:

		June 30,								December 31,
(millions)		2023				2022				2022
Allowance for Doubtful Accounts		$	2.2			$	2.7			$	2.6

Components of Accrued Revenue

The following table shows the components of Accrued Revenue as of June 30, 2023, June 30, 2022 and December 31, 2022.

		June 30,								December 31,
Accrued Revenue (millions)		2023				2022				2022
Regulatory Assets – Current		$	56.8			$	41.4			$	66.5
Unbilled Revenues, net			3.6				4.2				6.3
Total Accrued Revenue		$	60.4			$	45.6			$	72.8

Components of Exchange Gas Receivable

The following table shows the components of Exchange Gas Receivable as of June 30, 2023, June 30, 2022 and December 31, 2022.

		June 30,								December 31,
Exchange Gas Receivable (millions)		2023				2022				2022
Northern Utilities		$	8.7			$	12.5			$	16.3
Fitchburg			0.7				0.9				1.7
Total Exchange Gas Receivable		$	9.4			$	13.4			$	18.0

Components of Gas Inventory

The following table shows the components of Gas Inventory as of June 30, 2023, June 30, 2022 and December 31, 2022.

		June 30,								December 31,
Gas Inventory (millions)		2023				2022				2022
Natural Gas		$	0.6			$	0.5			$	1.0
Propane			0.3				0.4				0.4
Liquefied Natural Gas & Other			0.1				0.1				0.4
Total Gas Inventory		$	1.0			$	1.0			$	1.8

Regulatory Assets

The Company currently receives recovery in rates or expects to receive recovery of these hardship accounts in future rate cases.

		June 30,								December 31,
Regulatory Assets consist of the following (millions)		2023				2022				2022
Retirement Benefits		$	27.2			$	86.9			$	29.1
Energy Supply and Other Rate Adjustment Mechanisms			54.0				38.2				63.0
Deferred Storm Charges			8.5				2.9				3.4
Environmental			6.1				4.5				5.9
Income Taxes			1.5				2.2				1.8
Other Deferred Charges			11.0				13.3				11.1
Total Regulatory Assets			108.3				148.0				114.3
Less: Current Portion of Regulatory Assets(1)			56.8				41.4				66.5
Regulatory Assets – noncurrent		$	51.5			$	106.6			$	47.8

Reflects amounts included in the Accrued Revenue on the Company’s Consolidated Balance Sheets.

Regulatory Liabilities

		June 30,								December 31,
Regulatory Liabilities consist of the following (millions)		2023				2022				2022
Income Taxes (Note 8)		$	39.6			$	42.6			$	41.0
Rate Adjustment Mechanisms			14.3				22.2				10.9
Total Regulatory Liabilities			53.9				64.8				51.9
Less: Current Portion of Regulatory Liabilities			18.4				25.9				15.0
Regulatory Liabilities – noncurrent		$	35.5			$	38.9			$	36.9

Fair Value of Marketable Securities

Changes in the fair value of these investments are recorded in Other Expense, Net.

		June 30,								December 31,
Fair Value of Marketable Securities (millions)		2023				2022				2022
Money Market Funds		$	5.8			$	5.4			$	5.8
Total Marketable Securities		$	5.8			$	5.4			$	5.8

Components of Energy Supply Obligations

The following discussion and table summarize the nature and amounts of the items recorded as Energy Supply Obligations (current portion) and Other Noncurrent Liabilities (noncurrent portion) on the Company’s Consolidated Balance Sheets.

		June 30,								December 31,
Energy Supply Obligations (millions)		2023				2022				2022
Current:
Exchange Gas Obligation		$	8.7			$	12.5			$	16.3
Renewable Energy Portfolio Standards			5.2				4.1				7.8
Total Energy Supply Obligations		$	13.9			$	16.6			$	24.1

Deferred Compensation Plan [Member]

Fair Value of Marketable Securities

Changes in the fair value of these investments are recorded in Other Expense, Net.

		June 30,								December 31,
Fair Value of Marketable Securities (millions)		2023				2022				2022
Equity Funds		$	1.0			$	0.4			$	0.5
Money Market Funds			0.1				0.4				0.1
Total Marketable Securities		$	1.1			$	0.8			$	0.6

X

- Definition

Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets.

+ References

No definition available.

+ Details

Name:	us-gaap_MarketableSecuritiesTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of assets that are created when regulatory agencies permit public utilities to defer certain costs included in rate-setting to the balance sheet.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 980
-SubTopic 340
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481878/980-340-50-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 980
-SubTopic 715
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481691/980-715-50-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 980
-SubTopic 340
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481878/980-340-50-2

+ Details

Name:	us-gaap_ScheduleOfRegulatoryAssetsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of regulatory liabilities. Detailed information about liabilities that result from rate actions of a regulator. Rate actions of a regulator can impose a liability on a regulated enterprise resulting in a regulatory liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 980
-SubTopic 405
-Name Accounting Standards Codification
-Section 25
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481854/980-405-25-1

+ Details

Name:	us-gaap_ScheduleOfRegulatoryLiabilitiesTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of all information related to inventories for utilities.

+ References

No definition available.

+ Details

Name:	us-gaap_ScheduleOfUtilityInventoryTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of arrangements in which the entity has committed resources to supply goods or services to a customer. May include identification of the goods or services to be furnished, identity of the purchasing party, pricing, effects on pricing for failing to deliver the [minimum] quantities required to be furnished, cancellation rights, and termination provisions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(25))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

Name:	us-gaap_SupplyCommitmentTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Allowance for Doubtful Accounts, Table.

+ References

No definition available.

+ Details

Name:	utl_AllowanceForDoubtfulAccountsTableTextBlock
Namespace Prefix:	utl_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Components of gas operating revenue and electric operating revenue.

+ References

No definition available.

+ Details

Name:	utl_ComponentsOfGasOperatingRevenueAndElectricOperatingRevenueTableTextBlock
Namespace Prefix:	utl_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Estimated Percentage of Decoupled Sales That Are Subject To Revenue Decoupling [Table Text Block]

+ References

No definition available.

+ Details

Name:	utl_EstimatedPercentageOfDecoupledSalesThatAreSubjectToRevenueDecouplingTableTextBlock
Namespace Prefix:	utl_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Description of the components and amounts included in Exchange Gas Receivable.

+ References

No definition available.

+ Details

Name:	utl_ScheduleOfOtherAccountsReceivableTableTextBlock
Namespace Prefix:	utl_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Description of the components and amounts included in Accrued Revenue.

+ References

No definition available.

+ Details

Name:	utl_UnbilledAccountsReceivableTableTextBlock
Namespace Prefix:	utl_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_AwardTypeAxis=utl_DeferredCompensationPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: