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REVENUES (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021 | Sep. 01, 2021 | May 06, 2021
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | $ 2,561,600 | $ 2,142,900 | $ 6,013,700 | $ 4,915,500 |  |  |
Alternative Revenue Programs | 8,200 | (21,400) | 23,900 | 30,300 |  |  |
Other Revenues | 2,800 | 1,000 | 6,400 | 2,600 |  |  |
Operating Revenues | $ 2,572,641 | $ 2,122,538 | 6,043,951 | 4,948,378 |  |  |
(Customer Credits)/Reserve at CL&P related to PURA Settlement Agreement and Storm Performance Penalty |  |  | (64,909) | 28,583 |  |  |
Operating Lease, Income, Comprehensive Income [Extensible Enumeration] | Operating Revenues | Operating Revenues |  |  |  |  |
Lease revenue | $ 1,000 | $ 1,000 | 2,000 | 2,700 |  |  |
Unfavorable Regulatory Action |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Loss contingency, estimate of possible earnings impact, non-compliance with performance standards |  |  |  |  |  |  | $ 28,400
CL&P |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Operating Revenues | $ 1,035,682 | $ 829,597 | 2,321,514 | 1,816,871 |  |  |
(Customer Credits)/Reserve at CL&P related to PURA Settlement Agreement and Storm Performance Penalty |  |  | (64,909) | 28,583 |  |  |
Operating Lease, Income, Comprehensive Income [Extensible Enumeration] | Operating Revenues | Operating Revenues |  |  |  |  |
Lease revenue | $ 200 | $ 200 | 400 | 400 |  |  |
CL&P | Unfavorable Regulatory Action |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Loss contingency, estimate of possible earnings impact, non-compliance with performance standards |  |  |  |  |  | $ 28,400 |
CL&P | Unfavorable Regulatory Action | Sales |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
(Customer Credits)/Reserve at CL&P related to PURA Settlement Agreement and Storm Performance Penalty |  |  | 65,000 |  |  |  |
NSTAR Electric |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Operating Revenues | $ 783,650 | $ 687,375 | 1,646,825 | 1,424,418 |  |  |
Operating Lease, Income, Comprehensive Income [Extensible Enumeration] | Operating Revenues | Operating Revenues |  |  |  |  |
Lease revenue | $ 600 | $ 700 | 1,200 | 1,800 |  |  |
PSNH |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Operating Revenues | $ 307,055 | $ 278,849 | 646,482 | 572,284 |  |  |
Operating Lease, Income, Comprehensive Income [Extensible Enumeration] | Operating Revenues | Operating Revenues |  |  |  |  |
Total Retail Tariff Sales Revenues |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | $ 2,189,000 | $ 1,904,300 | 5,046,800 | 4,381,400 |  |  |
Residential |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 1,258,600 | 1,092,300 | 3,029,700 | 2,652,900 |  |  |
Commercial |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 802,000 | 698,500 | 1,734,400 | 1,478,500 |  |  |
Industrial |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 128,400 | 113,500 | 282,700 | 250,000 |  |  |
Wholesale Transmission Revenues |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 93,200 | 91,300 | 199,200 | 183,800 |  |  |
Wholesale Market Sales Revenues |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 246,700 | 113,900 | 646,500 | 290,100 |  |  |
Other Revenues from Contracts with Customers |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 25,900 | 33,400 | 56,300 | 60,200 |  |  |
(Reserve for)/Amortization of Revenues Subject to Refund |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 6,800 |  | 64,900 |  |  |  |
Operating Segments | CL&P |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 1,091,300 | 958,200 | 2,521,500 | 2,060,900 |  |  |
Alternative Revenue Programs | 92,200 | (1,100) | 93,400 | 7,800 |  |  |
Other Revenues | 200 | (200) | 300 | 100 |  |  |
Operating Segments | NSTAR Electric |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 908,500 | 824,200 | 1,913,100 | 1,662,700 |  |  |
Alternative Revenue Programs | 14,300 | (15,300) | 6,100 | (1,500) |  |  |
Other Revenues | 1,600 | 700 | 3,600 | 1,800 |  |  |
Operating Segments | PSNH |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 335,300 | 319,600 | 730,400 | 653,300 |  |  |
Alternative Revenue Programs | 19,300 | 2,300 | 16,000 | 5,300 |  |  |
Other Revenues | 700 | 500 | 1,600 | 500 |  |  |
Operating Segments | Total Retail Tariff Sales Revenues | CL&P |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 817,400 | 684,900 | 1,692,200 | 1,481,700 |  |  |
Operating Segments | Total Retail Tariff Sales Revenues | NSTAR Electric |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 685,300 | 629,900 | 1,455,300 | 1,285,100 |  |  |
Operating Segments | Total Retail Tariff Sales Revenues | PSNH |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 255,800 | 243,900 | 548,700 | 501,200 |  |  |
Operating Segments | Residential | CL&P |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 526,100 | 440,800 | 1,125,200 | 986,600 |  |  |
Operating Segments | Residential | NSTAR Electric |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 326,900 | 304,700 | 731,500 | 667,100 |  |  |
Operating Segments | Residential | PSNH |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 151,800 | 136,600 | 334,300 | 294,400 |  |  |
Operating Segments | Commercial | CL&P |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 255,300 | 215,700 | 497,500 | 429,900 |  |  |
Operating Segments | Commercial | NSTAR Electric |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 327,800 | 296,100 | 659,100 | 564,400 |  |  |
Operating Segments | Commercial | PSNH |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 81,700 | 82,800 | 170,100 | 160,600 |  |  |
Operating Segments | Industrial | CL&P |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 36,000 | 28,400 | 69,500 | 65,200 |  |  |
Operating Segments | Industrial | NSTAR Electric |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 30,600 | 29,100 | 64,700 | 53,600 |  |  |
Operating Segments | Industrial | PSNH |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 22,300 | 24,500 | 44,300 | 46,200 |  |  |
Operating Segments | Wholesale Transmission Revenues | CL&P |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 115,800 | 195,700 | 325,000 | 384,600 |  |  |
Operating Segments | Wholesale Transmission Revenues | NSTAR Electric |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 163,600 | 160,100 | 328,800 | 307,200 |  |  |
Operating Segments | Wholesale Transmission Revenues | PSNH |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 55,100 | 61,100 | 126,900 | 119,400 |  |  |
Operating Segments | Wholesale Market Sales Revenues | CL&P |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 143,400 | 68,100 | 423,400 | 177,800 |  |  |
Operating Segments | Wholesale Market Sales Revenues | NSTAR Electric |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 47,800 | 18,900 | 105,600 | 43,400 |  |  |
Operating Segments | Wholesale Market Sales Revenues | PSNH |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 21,400 | 10,200 | 49,100 | 25,100 |  |  |
Operating Segments | Other Revenues from Contracts with Customers | CL&P |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 7,500 | 9,500 | 15,300 | 16,800 |  |  |
Operating Segments | Other Revenues from Contracts with Customers | NSTAR Electric |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 11,800 | 15,300 | 23,400 | 27,000 |  |  |
Operating Segments | Other Revenues from Contracts with Customers | PSNH |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 3,000 | 4,400 | 5,700 | 7,600 |  |  |
Operating Segments | (Reserve for)/Amortization of Revenues Subject to Refund | CL&P |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 7,200 | 0 | 65,600 | 0 |  |  |
Operating Segments | (Reserve for)/Amortization of Revenues Subject to Refund | NSTAR Electric |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |  |
Operating Segments | (Reserve for)/Amortization of Revenues Subject to Refund | PSNH |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |  |
Operating Segments | Reserves For Revenues Subject To Refund | CL&P | Unfavorable Regulatory Action |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers |  |  |  |  | $ 93,400 |  |
Other |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 335,700 | 330,000 | 719,300 | 673,000 |  |  |
Alternative Revenue Programs | 0 | 0 | 0 | 0 |  |  |
Other Revenues | 0 | 0 | 0 | 0 |  |  |
Operating Revenues | 335,700 | 330,000 | 719,300 | 673,000 |  |  |
Other | Total Retail Tariff Sales Revenues |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |  |
Other | Residential |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |  |
Other | Commercial |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |  |
Other | Industrial |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |  |
Other | Wholesale Transmission Revenues |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 25,100 | 20,300 | 49,600 | 39,500 |  |  |
Other | Wholesale Market Sales Revenues |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |  |
Other | Other Revenues from Contracts with Customers |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 310,600 | 309,700 | 669,700 | 633,500 |  |  |
Other | (Reserve for)/Amortization of Revenues Subject to Refund |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 0 |  | 0 |  |  |  |
Eliminations |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | (582,700) | (658,600) | (1,306,100) | (1,305,900) |  |  |
Alternative Revenue Programs | (113,200) | (1,200) | (99,600) | 1,000 |  |  |
Other Revenues | 0 | 0 | 0 | 0 |  |  |
Operating Revenues | (695,900) | (659,800) | (1,405,700) | (1,304,900) |  |  |
Eliminations | Total Retail Tariff Sales Revenues |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | (6,500) | (5,700) | (12,100) | (10,700) |  |  |
Eliminations | Residential |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |  |
Eliminations | Commercial |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | (1,400) | (1,300) | (2,500) | (2,700) |  |  |
Eliminations | Industrial |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | (5,100) | (4,400) | (9,600) | (8,000) |  |  |
Eliminations | Wholesale Transmission Revenues |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | (266,400) | (345,900) | (631,100) | (666,900) |  |  |
Eliminations | Wholesale Market Sales Revenues |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |  |
Eliminations | Other Revenues from Contracts with Customers |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | (309,800) | (307,000) | (662,900) | (628,300) |  |  |
Eliminations | (Reserve for)/Amortization of Revenues Subject to Refund |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 0 |  | 0 |  |  |  |
Eliminations | CL&P |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Operating Revenues | (148,000) | (127,300) | (293,700) | (251,900) |  |  |
Eliminations | NSTAR Electric |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Operating Revenues | (140,700) | (122,200) | (276,000) | (238,600) |  |  |
Eliminations | PSNH |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Operating Revenues | (48,200) | (43,600) | (101,500) | (86,800) |  |  |
Electric Distribution | Operating Segments |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 1,995,300 | 1,680,500 | 4,374,100 | 3,556,800 |  |  |
Alternative Revenue Programs | 6,800 | (4,800) | 11,500 | 18,200 |  |  |
Other Revenues | 2,300 | 800 | 5,100 | 1,900 |  |  |
Operating Revenues | 2,004,400 | 1,676,500 | 4,390,700 | 3,576,900 |  |  |
Electric Distribution | Operating Segments | Total Retail Tariff Sales Revenues |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 1,757,800 | 1,558,200 | 3,695,000 | 3,267,100 |  |  |
Electric Distribution | Operating Segments | Residential |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 1,004,800 | 882,100 | 2,191,000 | 1,948,100 |  |  |
Electric Distribution | Operating Segments | Commercial |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 664,100 | 594,100 | 1,325,500 | 1,154,000 |  |  |
Electric Distribution | Operating Segments | Industrial |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 88,900 | 82,000 | 178,500 | 165,000 |  |  |
Electric Distribution | Operating Segments | Wholesale Transmission Revenues |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |  |
Electric Distribution | Operating Segments | Wholesale Market Sales Revenues |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 212,600 | 97,200 | 578,100 | 246,300 |  |  |
Electric Distribution | Operating Segments | Other Revenues from Contracts with Customers |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 18,400 | 25,100 | 36,100 | 43,400 |  |  |
Electric Distribution | Operating Segments | (Reserve for)/Amortization of Revenues Subject to Refund |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 6,500 |  | 64,900 |  |  |  |
Natural Gas Distribution | Operating Segments |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 419,000 | 315,300 | 1,335,900 | 1,073,700 |  |  |
Alternative Revenue Programs | (3,000) | (3,400) | 7,200 | 18,600 |  |  |
Other Revenues | 200 | (100) | 700 | 0 |  |  |
Operating Revenues | 416,200 | 311,800 | 1,343,800 | 1,092,300 |  |  |
Natural Gas Distribution | Operating Segments | Total Retail Tariff Sales Revenues |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 384,600 | 298,600 | 1,267,000 | 1,029,300 |  |  |
Natural Gas Distribution | Operating Segments | Residential |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 218,500 | 174,200 | 775,300 | 641,100 |  |  |
Natural Gas Distribution | Operating Segments | Commercial |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 122,600 | 89,600 | 380,100 | 297,400 |  |  |
Natural Gas Distribution | Operating Segments | Industrial |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 43,500 | 34,800 | 111,600 | 90,800 |  |  |
Natural Gas Distribution | Operating Segments | Wholesale Transmission Revenues |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |  |
Natural Gas Distribution | Operating Segments | Wholesale Market Sales Revenues |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 33,200 | 15,700 | 66,700 | 42,000 |  |  |
Natural Gas Distribution | Operating Segments | Other Revenues from Contracts with Customers |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 1,200 | 1,000 | 2,200 | 2,400 |  |  |
Natural Gas Distribution | Operating Segments | (Reserve for)/Amortization of Revenues Subject to Refund |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 0 |  | 0 |  |  |  |
Electric Transmission | Operating Segments |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 338,400 | 420,300 | 788,400 | 818,000 |  |  |
Alternative Revenue Programs | 119,000 | (9,300) | 104,000 | (6,600) |  |  |
Other Revenues | 200 | 200 | 400 | 500 |  |  |
Operating Revenues | 457,600 | 411,200 | 892,800 | 811,900 |  |  |
Electric Transmission | Operating Segments | Total Retail Tariff Sales Revenues |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |  |
Electric Transmission | Operating Segments | Residential |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |  |
Electric Transmission | Operating Segments | Commercial |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |  |
Electric Transmission | Operating Segments | Industrial |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |
Revenues from Contracts with Customers | 0 | 0 | 0 | 0 |  |  |
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