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Commitments And Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2019
Nuclear Insurance | The current levels of nuclear property insurance coverage for Dominion Energy and Virginia Power’s nuclear units are as follows:
|  | Coverage |
(billions) |  |  |  |
Dominion Energy |  |  |  |
Millstone |  | $ | 1.70 |
Kewaunee |  |  | 0.05 |
Summer |  |  | 2.75 |
Virginia Power (1) |  |  |  |
Surry |  | $ | 1.70 |
North Anna |  |  | 1.70 |
(1) | Surry and North Anna share a blanket property limit of $200 million.
Schedule Of Subsidiary Guarantees | At December 31, 2019, Dominion Energy had issued the following subsidiary guarantees:
|  | Maximum Exposure |
(millions) |  |  |
Commodity transactions (1) |  | $ | 2,215 |
Nuclear obligations (2) |  |  | 182 |
Cove Point (3) |  |  | 1,900 |
Solar (4) |  |  | 477 |
Other (5) |  |  | 377 |
Total (6) |  | $ | 5,151 |
(1) | Guarantees related to commodity commitments of certain subsidiaries. These guarantees were provided to counterparties in order to facilitate physical and financial transaction related commodities and services.
(2) | Guarantees primarily related to certain DGI subsidiaries’ regarding all aspects of running a nuclear facility.
(3) | Guarantees related to Cove Point, in support of terminal services, transportation and construction. Cove Point has two guarantees that have no maximum limit and, therefore, are not included in this amount.
(4) | Includes guarantees to facilitate the development of solar projects. Also includes guarantees entered into by DGI on behalf of certain subsidiaries to facilitate the acquisition and development of solar projects.
(5) | Guarantees related to other miscellaneous contractual obligations such as leases, environmental obligations, construction projects and insurance programs. Due to the uncertainty of worker’s compensation claims, the parental guarantee has no stated limit.
(6) | Excludes Dominion Energy’s guarantees for the new corporate office properties discussed further within Note 15.
Virginia Electric and Power Company |
Long-term Purchase Commitment | At December 31, 2019, Dominion Energy had the following long-term commitments that are noncancelable or are cancelable only under certain conditions, and that a third party has used to secure financing for the facility that will provide the contracted goods or services:
|  | 2020 |  |  | 2021 |  |  | 2022 |  |  | 2023 |  |  | 2024 |  |  | Thereafter |  |  | Total |
(millions) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchased electric capacity (1) |  |  | $45 |  |  |  | $44 |  |  |  | $44 |  |  |  | $44 |  |  |  | $44 |  |  |  | $494 |  |  |  | $715 |
(1) | Commitments represent estimated amounts payable for energy under power purchase contracts with qualifying facilities which expire at various dates through 2046. Energy payments are generally based on fixed dollar amounts per month and totaled $29 million for the year ended December 31, 2019.

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- Definition Tabular disclosure of key provisions of an arrangement under which the entity has agreed to purchase goods or services over a period of time greater than one year or the normal operating cycle, if longer, including the item for which expenditures will be made, minimum quantities, milestones, time period and committed amount. + References No definition available. + Details
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- Definition Tabular disclosure of each guarantee obligation, or each group of similar guarantee obligations, including (a) the nature of the guarantee, including its term, how it arose, and the events or circumstances that would require the guarantor to perform under the guarantee; (b) the maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee; (c) the current carrying amount of the liability, if any, for the guarantor's obligations under the guarantee; and (d) the nature of any recourse provisions under the guarantee, and any assets held either as collateral or by third parties, and any relevant related party disclosure. Excludes disclosures about product warranties. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=118943654&loc=d3e12069-110248 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=118943654&loc=d3e12265-110248 + Details
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