XML 134 R106.htm IDEA: XBRL DOCUMENT
v3.25.0.1

INVESTMENTS IN UNCONSOLIDATED AFFILIATES - Summary of Impairment (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2023 USD ($) | Jun. 30, 2023 USD ($) | Dec. 31, 2024 USD ($) project | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Number of offshore wind projects | project |  |  | 3 |  |
Impairment Charges, pre-tax | $ 1,766,000 | $ 401,000 | $ 464,019 | $ 2,167,000 | $ 0
Tax Benefit | (144,000) | (70,000) |  | (214,000) |
Equity method investment, other than temporary impairment, after tax | 1,622,000 | 331,000 |  | 1,953,000 |
Lower expected sales proceeds across all three wind projects |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Impairment Charges, pre-tax | 525,000 | 401,000 |  | 926,000 |
Expected cost overruns not recovered in the sales price |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Impairment Charges, pre-tax | 441,000 | 0 |  | 441,000 |
Loss of sales value from the sale price offered by GIP, including loss of ITC adders value, cancellation costs and other impacts assuming Sunrise Wind project is abandoned |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Impairment Charges, pre-tax | $ 800,000 | $ 0 |  | $ 800,000 |

X
- Definition Equity Method Investment, Other than Temporary Impairment, After Tax + References No definition available. + Details
Name: | es_EquityMethodInvestmentOtherThanTemporaryImpairmentAfterTax
Namespace Prefix: | es_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Equity Method Investment, Other than Temporary Impairment, Tax + References No definition available. + Details
Name: | es_EquityMethodInvestmentOtherThanTemporaryImpairmentTax
Namespace Prefix: | es_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Number Of Offshore Wind Projects + References No definition available. + Details
Name: | es_NumberOfOffshoreWindProjects
Namespace Prefix: | es_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of other-than-temporary decline in value that has been recognized against investment accounted for under equity method of accounting. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481664/323-10-45-1 + Details
Name: | us-gaap_EquityMethodInvestmentOtherThanTemporaryImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(g)(1)(ii)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 28 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-28 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3 + Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | es_EquityMethodInvestmentsImpairmentTypeAxis=es_LowerExpectedSaleProceedsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | es_EquityMethodInvestmentsImpairmentTypeAxis=es_ExpectedCostOverrunsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | es_EquityMethodInvestmentsImpairmentTypeAxis=es_LossOfSalesValueCancellationCostsAndOtherImpairmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |