XML 92 R57.htm IDEA: XBRL DOCUMENT
v3.22.0.1

REGULATORY ACCOUNTING (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Regulated Operations [Abstract] |
Components of Regulatory Assets | The components of regulatory assets were as follows:
| As of December 31,
| 2021 |  | 2020
(Millions of Dollars) | Eversource |  | CL&P |  | NSTAR Electric |  | PSNH |  | Eversource |  | CL&P |  | NSTAR Electric |  | PSNH
Benefit Costs | $ | 1,481.0 |  |  | $ | 272.4 |  |  | $ | 395.5 |  |  | $ | 118.9 |  |  | $ | 2,794.2 |  |  | $ | 632.3 |  |  | $ | 690.0 |  |  | $ | 267.6 |
Income Taxes, Net | 790.7 |  |  | 470.5 |  |  | 112.6 |  |  | 17.5 |  |  | 747.1 |  |  | 458.9 |  |  | 110.4 |  |  | 15.2 |
Securitized Stranded Costs | 478.9 |  |  | — |  |  | — |  |  | 478.9 |  |  | 522.1 |  |  | — |  |  | — |  |  | 522.1 |
Storm Costs, Net | 1,102.7 |  |  | 695.6 |  |  | 341.3 |  |  | 65.8 |  |  | 765.6 |  |  | 515.1 |  |  | 186.4 |  |  | 64.1 |
Regulatory Tracker Mechanisms | 1,050.5 |  |  | 333.6 |  |  | 376.6 |  |  | 85.4 |  |  | 850.5 |  |  | 246.6 |  |  | 332.2 |  |  | 95.3 |
Derivative Liabilities | 249.2 |  |  | 249.2 |  |  | — |  |  | — |  |  | 296.3 |  |  | 293.1 |  |  | — |  |  | — |
Goodwill-related | 297.8 |  |  | — |  |  | 255.7 |  |  | — |  |  | 314.7 |  |  | — |  |  | 270.2 |  |  | — |
Asset Retirement Obligations | 115.0 |  |  | 33.6 |  |  | 59.8 |  |  | 4.1 |  |  | 118.4 |  |  | 32.1 |  |  | 58.6 |  |  | 3.9 |
Other Regulatory Assets | 150.0 |  |  | 29.9 |  |  | 37.7 |  |  | 15.8 |  |  | 161.0 |  |  | 33.7 |  |  | 56.1 |  |  | 20.9 |
Total Regulatory Assets | 5,715.8 |  |  | 2,084.8 |  |  | 1,579.2 |  |  | 786.4 |  |  | 6,569.9 |  |  | 2,211.8 |  |  | 1,703.9 |  |  | 989.1 |
Less: Current Portion | 1,129.1 |  |  | 371.6 |  |  | 444.0 |  |  | 107.2 |  |  | 1,076.6 |  |  | 345.6 |  |  | 399.9 |  |  | 115.9 |
Total Long-Term Regulatory Assets | $ | 4,586.7 |  |  | $ | 1,713.2 |  |  | $ | 1,135.2 |  |  | $ | 679.2 |  |  | $ | 5,493.3 |  |  | $ | 1,866.2 |  |  | $ | 1,304.0 |  |  | $ | 873.2 |
Components of Regulatory Liabilities | The components of regulatory liabilities were as follows:
| As of December 31,
| 2021 |  | 2020
(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 | $ | 2,685.2 |  |  | $ | 996.1 |  |  | $ | 984.5 |  |  | $ | 359.2 |  |  | $ | 2,778.6 |  |  | $ | 1,010.7 |  |  | $ | 1,044.0 |  |  | $ | 371.5 |
Cost of Removal | 649.6 |  |  | 100.1 |  |  | 381.0 |  |  | 17.2 |  |  | 624.8 |  |  | 98.4 |  |  | 363.6 |  |  | 12.9 |
Benefit Costs | 133.5 |  |  | — |  |  | 107.4 |  |  | — |  |  | 83.6 |  |  | — |  |  | 72.5 |  |  | — |
Regulatory Tracker Mechanisms | 448.4 |  |  | 182.0 |  |  | 185.1 |  |  | 107.0 |  |  | 366.5 |  |  | 148.9 |  |  | 139.7 |  |  | 47.8 |
AFUDC - Transmission | 81.0 |  |  | 43.2 |  |  | 37.8 |  |  | — |  |  | 76.8 |  |  | 44.6 |  |  | 32.2 |  |  | — |
CL&P Settlement Agreement and Storm Performance Penalty | 81.3 |  |  | 81.3 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Other Regulatory Liabilities | 389.7 |  |  | 57.1 |  |  | 91.5 |  |  | 18.2 |  |  | 309.9 |  |  | 39.5 |  |  | 63.2 |  |  | 9.8 |
Total Regulatory Liabilities | 4,468.7 |  |  | 1,459.8 |  |  | 1,787.3 |  |  | 501.6 |  |  | 4,240.2 |  |  | 1,342.1 |  |  | 1,715.2 |  |  | 442.0 |
Less: Current Portion | 602.4 |  |  | 266.5 |  |  | 228.2 |  |  | 120.2 |  |  | 389.4 |  |  | 137.2 |  |  | 164.8 |  |  | 58.8 |
Total Long-Term Regulatory Liabilities | $ | 3,866.3 |  |  | $ | 1,193.3 |  |  | $ | 1,559.1 |  |  | $ | 381.4 |  |  | $ | 3,850.8 |  |  | $ | 1,204.9 |  |  | $ | 1,550.4 |  |  | $ | 383.2 |

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 -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6499975&loc=d3e44250-110382 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 715 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501251&loc=d3e52485-110419 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 340 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6499975&loc=d3e44264-110382 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 405 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6500807&loc=d3e48068-110394 + Details
Name: | us-gaap_ScheduleOfRegulatoryLiabilitiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration