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v3.19.2

SEGMENT INFORMATION (Tables) | 6 Months Ended
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Jun. 30, 2019
Segment Reporting [Abstract] |
Financial information of reportable segments | The following tables show summarized financial information related to our reportable segments for the three and six months ended June 30, 2019 and 2018:
|  | Utility Operations |  |  |  |  |  |  |  |  |  |
(in millions) |  | Wisconsin |  | Illinois |  | Other States |  | Total Utility Operations |  | Electric Transmission |  | Non-Utility Energy Infrastructure |  | Corporate and Other |  | Reconciling Eliminations |  | WEC Energy Group Consolidated
Three Months Ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
June 30, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
External revenues |  | $ | 1,253.3 |  |  | $ | 242.9 |  |  | $ | 68.8 |  |  | $ | 1,565.0 |  |  | $ | — |  |  | $ | 24.3 |  |  | $ | 0.9 |  |  | $ | — |  |  | $ | 1,590.2 |
Intersegment revenues |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 99.0 |  |  | — |  |  | (99.0 | ) |  | — |
Other operation and maintenance |  | 363.9 |  |  | 107.0 |  |  | 23.4 |  |  | 494.3 |  |  | — |  |  | 6.8 |  |  | 1.8 |  |  | 0.7 |  |  | 503.6 |
Depreciation and amortization |  | 152.9 |  |  | 45.0 |  |  | 6.7 |  |  | 204.6 |  |  | — |  |  | 22.9 |  |  | 6.0 |  |  | (3.6 | ) |  | 229.9 |
Operating income (loss) |  | 270.2 |  |  | 42.6 |  |  | 4.6 |  |  | 317.4 |  |  | — |  |  | 91.3 |  |  | (7.1 | ) |  | (87.0 | ) |  | 314.6 |
Equity in earnings of transmission affiliates |  | — |  |  | — |  |  | — |  |  | — |  |  | 36.9 |  |  | — |  |  | — |  |  | — |  |  | 36.9 |
Interest expense |  | 142.7 |  |  | 13.9 |  |  | 1.9 |  |  | 158.5 |  |  | 2.7 |  |  | 15.5 |  |  | 36.5 |  |  | (89.1 | ) |  | 124.1 |
|  | Utility Operations |  |  |  |  |  |  |  |  |  |
(in millions) |  | Wisconsin |  | Illinois |  | Other States |  | Total Utility Operations |  | Electric Transmission |  | Non-Utility Energy Infrastructure |  | Corporate and Other |  | Reconciling Eliminations |  | WEC Energy Group Consolidated
Three Months Ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
June 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
External revenues |  | $ | 1,325.5 |  |  | $ | 268.0 |  |  | $ | 72.4 |  |  | $ | 1,665.9 |  |  | $ | — |  |  | $ | 3.5 |  |  | $ | 3.1 |  |  | $ | — |  |  | $ | 1,672.5 |
Intersegment revenues |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 113.5 |  |  | — |  |  | (113.5 | ) |  | — |
Other operation and maintenance |  | 502.4 |  |  | 104.1 |  |  | 24.9 |  |  | 631.4 |  |  | — |  |  | 4.5 |  |  | 2.2 |  |  | (100.4 | ) |  | 537.7 |
Depreciation and amortization |  | 134.6 |  |  | 41.8 |  |  | 4.5 |  |  | 180.9 |  |  | — |  |  | 18.3 |  |  | 7.5 |  |  | — |  |  | 206.7 |
Operating income (loss) |  | 195.1 |  |  | 41.7 |  |  | 8.1 |  |  | 244.9 |  |  | — |  |  | 92.4 |  |  | (6.5 | ) |  | — |  |  | 330.8 |
Equity in earnings of transmission affiliates |  | — |  |  | — |  |  | — |  |  | — |  |  | 28.7 |  |  | — |  |  | — |  |  | — |  |  | 28.7 |
Interest expense |  | 48.5 |  |  | 12.3 |  |  | 2.1 |  |  | 62.9 |  |  | — |  |  | 16.0 |  |  | 30.3 |  |  | (0.7 | ) |  | 108.5 |
|  | Utility Operations |  |  |  |  |  |  |  |  |  |
(in millions) |  | Wisconsin |  | Illinois |  | Other States |  | Total Utility Operations |  | Electric Transmission |  | Non-Utility Energy Infrastructure |  | Corporate and Other |  | Reconciling Eliminations |  | WEC Energy Group Consolidated
Six Months Ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
June 30, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
External revenues |  | $ | 2,886.7 |  |  | $ | 779.4 |  |  | $ | 254.0 |  |  | $ | 3,920.1 |  |  | $ | — |  |  | $ | 44.9 |  |  | $ | 2.6 |  |  | $ | — |  |  | $ | 3,967.6 |
Intersegment revenues |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 206.2 |  |  | — |  |  | (206.2 | ) |  | — |
Other operation and maintenance |  | 756.6 |  |  | 235.2 |  |  | 51.0 |  |  | 1,042.8 |  |  | — |  |  | 10.6 |  |  | 0.8 |  |  | — |  |  | 1,054.2 |
Depreciation and amortization |  | 303.9 |  |  | 89.5 |  |  | 13.2 |  |  | 406.6 |  |  | — |  |  | 45.5 |  |  | 12.4 |  |  | (8.2 | ) |  | 456.3 |
Operating income (loss) |  | 632.0 |  |  | 180.5 |  |  | 46.1 |  |  | 858.6 |  |  | — |  |  | 184.0 |  |  | (11.0 | ) |  | (174.2 | ) |  | 857.4 |
Equity in earnings of transmission affiliates |  | — |  |  | — |  |  | — |  |  | — |  |  | 73.0 |  |  | — |  |  | — |  |  | — |  |  | 73.0 |
Interest expense |  | 286.1 |  |  | 28.7 |  |  | 4.2 |  |  | 319.0 |  |  | 5.3 |  |  | 31.2 |  |  | 71.6 |  |  | (178.6 | ) |  | 248.5 |
|  | Utility Operations |  |  |  |  |  |  |  |  |  |
(in millions) |  | Wisconsin |  | Illinois |  | Other States |  | Total Utility Operations |  | Electric Transmission |  | Non-Utility Energy Infrastructure |  | Corporate and Other |  | Reconciling Eliminations |  | WEC Energy Group Consolidated
Six Months Ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
June 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
External revenues |  | $ | 2,914.6 |  |  | $ | 775.3 |  |  | $ | 242.3 |  |  | $ | 3,932.2 |  |  | $ | — |  |  | $ | 22.3 |  |  | $ | 4.5 |  |  | $ | — |  |  | $ | 3,959.0 |
Intersegment revenues |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 212.8 |  |  | — |  |  | (212.8 | ) |  | — |
Other operation and maintenance |  | 970.9 |  |  | 216.3 |  |  | 51.5 |  |  | 1,238.7 |  |  | — |  |  | 6.2 |  |  | 1.9 |  |  | (197.2 | ) |  | 1,049.6 |
Depreciation and amortization |  | 269.7 |  |  | 82.7 |  |  | 11.1 |  |  | 363.5 |  |  | — |  |  | 36.6 |  |  | 15.2 |  |  | — |  |  | 415.3 |
Operating income (loss) |  | 468.8 |  |  | 189.3 |  |  | 44.3 |  |  | 702.4 |  |  | — |  |  | 185.4 |  |  | (11.9 | ) |  | — |  |  | 875.9 |
Equity in earnings of transmission affiliates |  | — |  |  | — |  |  | — |  |  | — |  |  | 61.5 |  |  | — |  |  | — |  |  | — |  |  | 61.5 |
Interest expense |  | 97.9 |  |  | 24.6 |  |  | 4.2 |  |  | 126.7 |  |  | — |  |  | 32.1 |  |  | 58.3 |  |  | (1.9 | ) |  | 215.2 |

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8721-108599 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8906-108599 + Details
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