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Regulatory Assets and Liabilities (Tables)

9 Months Ended

Jun. 30, 2019

Revenue from External Customer [Line Items]

Revenue from External Customers by Products and Services [Table Text Block]

TVA’s revenues by customer type for the three and nine months ended June 30, 2019 and 2018 are detailed in the table below:

Operating Revenues by Customer Type (in millions)
	Three Months Ended June 30								Nine Months Ended June 30
	2019				2018				2019				2018
Revenue from sales of electricity
Local power companies	$	2,366			$	2,464			$	7,347			$	7,344
Industries directly served	168				172				521				506
Federal agencies and other	31				33				90				92
Revenue capitalized during pre-commercial plant operations(1)	—				—				—				(11		)
Revenue from sales of electricity	2,565				2,669				7,958				7,931
Other revenues	39				38				121				117
Total operating revenues	$	2,604			$	2,707			$	8,079			$	8,048

Note

(1) Represents revenue capitalized during pre-commercial operations of less than $1 million and $11 million for the three and nine months ended June 30, 2018, respectively. See Note 1 — Pre-Commercial Plant Operations.

Regulatory Assets and Liabilities

Components of regulatory assets and regulatory liabilities are summarized in the table below:

Regulatory Assets and Liabilities
	At June 30, 2019				At September 30, 2018
Current regulatory assets
Gallatin coal combustion residual facilities(1)	$	—			$	38
Unrealized losses on interest rate derivatives	85				73
Environmental agreements	—				3
Unrealized losses on commodity contracts	33				4
Environmental cleanup costs - Kingston ash spill	65				266
Fuel cost adjustment receivable	—				30
Total current regulatory assets	183				414
Non-current regulatory assets
Deferred pension costs and other post-retirement benefits costs	2,940				3,119
Non-nuclear decommissioning costs(1)	1,761				1,019
Gallatin coal combustion residuals facilities(1)	—				861
Nuclear decommissioning costs	847				784
Unrealized losses on interest rate derivatives	1,049				692
Environmental agreements	12				11
Unrealized losses on commodity contracts	9				8
Other non-current regulatory assets	137				118
Total non-current regulatory assets	6,755				6,612
Total regulatory assets	$	6,938			$	7,026
Current regulatory liabilities
Fuel cost adjustment tax equivalents	$	138			$	146
Fuel cost adjustment	10				—
Unrealized gains on commodity derivatives	13				41
Total current regulatory liabilities	161				187
Non-current regulatory liabilities
Deferred other post-retirement benefits cost	58				73
Unrealized gains on commodity derivatives	6				31
Total non-current regulatory liabilities	64				104
Total regulatory liabilities	$	225			$	291

X

- Definition

Tabular disclosure of assets and liabilities that are created when regulatory agencies permit public utilities to defer certain costs included in rate-setting to the balance sheet or 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. Regulatory liabilities can result from obligations to make refunds to customers or deferral of gains that will be credited to customers in future periods

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 40
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e9031-108599

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