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Regulatory Assets and Liabilities (Tables)

6 Months Ended

Mar. 31, 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 six months ended March 31, 2019 and 2018 are detailed in the table below:

Operating Revenues by Customer Type (in millions)
	Three Months Ended March 31								Six Months Ended March 31
	2019				2018				2019				2018
Revenue from sales of electricity
Local power companies	$	2,514			$	2,564			$	4,981			$	4,880
Industries directly served	168				168				353				333
Federal agencies and other	30				31				59				60
Revenue capitalized during pre-commercial plant operations(1)	—				(10		)		—				(11		)
Revenue from sales of electricity	2,712				2,753				5,393				5,262
Other revenues	38				39				82				79
Total operating revenues	$	2,750			$	2,792			$	5,475			$	5,341

Note

(1) Represents revenue capitalized during pre-commercial operations of $10 million and $11 million for the three and six months ended March 31, 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 March 31, 2019				At September 30, 2018
Current regulatory assets
Gallatin coal combustion residual facilities	$	26			$	38
Unrealized losses on interest rate derivatives	78				73
Environmental agreements	—				3
Unrealized losses on commodity contracts	7				4
Environmental cleanup costs – Kingston ash spill	130				266
Fuel cost adjustment receivable	—				30
Total current regulatory assets	241				414
Non-current regulatory assets
Deferred pension costs and other post-retirement benefits costs	3,000				3,119
Non-nuclear decommissioning costs	1,054				1,019
Nuclear decommissioning costs	856				784
Gallatin coal combustion residual facilities	864				861
Unrealized losses on interest rate derivatives	897				692
Environmental agreements	12				11
Unrealized losses on commodity contracts	7				8
Other non-current regulatory assets	132				118
Total non-current regulatory assets	6,822				6,612
Total regulatory assets	$	7,063			$	7,026
Current regulatory liabilities
Fuel cost adjustment tax equivalents	$	144			$	146
Fuel cost adjustment	19				—
Unrealized gains on commodity derivatives	32				41
Total current regulatory liabilities	195				187
Non-current regulatory liabilities
Deferred other post-retirement benefits cost	63				73
Unrealized gains on commodity derivatives	10				31
Total non-current regulatory liabilities	73				104
Total regulatory liabilities	$	268			$	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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