XML 68 R46.htm IDEA: XBRL DOCUMENT
v3.24.3

REGULATORY ACCOUNTING (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2024
Regulated Operations [Abstract] |
Components of Regulatory Assets | The components of regulatory assets were as follows:
| As of September 30, 2024 |  | As of December 31, 2023
(Millions of Dollars) | Eversource |  | CL&P |  | NSTAR Electric |  | PSNH |  | Eversource |  | CL&P |  | NSTAR Electric |  | PSNH
Storm Costs, Net | $ | 2,077.2 |  |  | $ | 998.3 |  |  | $ | 626.3 |  |  | $ | 452.6 |  |  | $ | 1,785.9 |  |  | $ | 896.6 |  |  | $ | 609.1 |  |  | $ | 280.2 |
Regulatory Tracking Mechanisms | 1,638.1 |  |  | 529.3 |  |  | 572.6 |  |  | 153.9 |  |  | 1,319.2 |  |  | 354.5 |  |  | 482.9 |  |  | 182.2 |
Benefit Costs | 1,096.0 |  |  | 198.2 |  |  | 313.8 |  |  | 79.7 |  |  | 1,117.3 |  |  | 197.4 |  |  | 336.7 |  |  | 79.3 |
Income Taxes, Net | 944.9 |  |  | 522.7 |  |  | 141.6 |  |  | 19.1 |  |  | 912.4 |  |  | 512.6 |  |  | 128.6 |  |  | 16.4 |
Securitized Stranded Costs | 360.1 |  |  | — |  |  | — |  |  | 360.1 |  |  | 392.5 |  |  | — |  |  | — |  |  | 392.5 |
Goodwill-related | 251.5 |  |  | — |  |  | 215.9 |  |  | — |  |  | 264.1 |  |  | — |  |  | 226.7 |  |  | — |
Asset Retirement Obligations | 147.0 |  |  | 40.5 |  |  | 76.8 |  |  | 5.0 |  |  | 137.9 |  |  | 38.5 |  |  | 72.3 |  |  | 4.7 |
Derivative Liabilities | 72.6 |  |  | 72.6 |  |  | — |  |  | — |  |  | 120.9 |  |  | 120.9 |  |  | — |  |  | — |
Other Regulatory Assets | 430.6 |  |  | 65.1 |  |  | 102.8 |  |  | 4.8 |  |  | 339.0 |  |  | 22.7 |  |  | 101.6 |  |  | 8.0 |
Total Regulatory Assets | 7,018.0 |  |  | 2,426.7 |  |  | 2,049.8 |  |  | 1,075.2 |  |  | 6,389.2 |  |  | 2,143.2 |  |  | 1,957.9 |  |  | 963.3 |
Less: Current Portion | 2,024.9 |  |  | 672.8 |  |  | 778.9 |  |  | 170.5 |  |  | 1,674.2 |  |  | 480.4 |  |  | 676.1 |  |  | 189.5 |
Total Long-Term Regulatory Assets | $ | 4,993.1 |  |  | $ | 1,753.9 |  |  | $ | 1,270.9 |  |  | $ | 904.7 |  |  | $ | 4,715.0 |  |  | $ | 1,662.8 |  |  | $ | 1,281.8 |  |  | $ | 773.8 |
Components of Regulatory Liabilities | The components of regulatory liabilities were as follows:
| As of September 30, 2024 |  | As of December 31, 2023
(Millions of Dollars) | Eversource |  | CL&P |  | NSTAR Electric |  | PSNH |  | Eversource |  | CL&P |  | NSTAR Electric |  | PSNH
EDIT due to Tax Cuts and Jobs Act of 2017 | $ | 2,512.2 |  |  | $ | 960.1 |  |  | $ | 885.2 |  |  | $ | 333.7 |  |  | $ | 2,548.6 |  |  | $ | 969.2 |  |  | $ | 905.1 |  |  | $ | 339.3 |
Regulatory Tracking Mechanisms | 789.8 |  |  | 188.2 |  |  | 446.9 |  |  | 99.8 |  |  | 668.3 |  |  | 154.0 |  |  | 347.2 |  |  | 114.4 |
Cost of Removal | 740.4 |  |  | 197.5 |  |  | 448.1 |  |  | 21.1 |  |  | 666.6 |  |  | 157.9 |  |  | 420.9 |  |  | 16.2 |
Deferred Portion of Non-Service Income Components of Pension, SERP and PBOP | 409.3 |  |  | 58.8 |  |  | 202.8 |  |  | 41.1 |  |  | 354.0 |  |  | 49.9 |  |  | 175.9 |  |  | 36.6 |
AFUDC - Transmission | 148.4 |  |  | 63.2 |  |  | 85.2 |  |  | — |  |  | 124.3 |  |  | 56.1 |  |  | 68.2 |  |  | — |
Benefit Costs | 34.9 |  |  | 0.4 |  |  | 10.4 |  |  | — |  |  | 51.0 |  |  | 0.6 |  |  | 22.2 |  |  | — |
Other Regulatory Liabilities | 212.3 |  |  | 41.6 |  |  | 14.0 |  |  | 4.9 |  |  | 201.9 |  |  | 30.4 |  |  | 13.9 |  |  | 4.6 |
Total Regulatory Liabilities | 4,847.3 |  |  | 1,509.8 |  |  | 2,092.6 |  |  | 500.6 |  |  | 4,614.7 |  |  | 1,418.1 |  |  | 1,953.4 |  |  | 511.1 |
Less: Current Portion | 722.5 |  |  | 139.5 |  |  | 468.8 |  |  | 106.8 |  |  | 591.8 |  |  | 102.2 |  |  | 368.1 |  |  | 117.5 |
Total Long-Term Regulatory Liabilities | $ | 4,124.8 |  |  | $ | 1,370.3 |  |  | $ | 1,623.8 |  |  | $ | 393.8 |  |  | $ | 4,022.9 |  |  | $ | 1,315.9 |  |  | $ | 1,585.3 |  |  | $ | 393.6 |

X
- References No definition available. + Details
Name: | us-gaap_RegulatedOperationsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
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/1943274/2147478742/980-340-50-1 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/1943274/2147478574/980-715-50-1 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/1943274/2147478742/980-340-50-2 + 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/1943274/2147477571/980-405-25-1 + Details
Name: | us-gaap_ScheduleOfRegulatoryLiabilitiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration