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SEGMENT INFORMATION (Tables)

3 Months Ended

Mar. 31, 2023

Segment Reporting [Abstract]

Schedule of financial information related to our reportable segments

The following tables show summarized financial information related to our reportable segments for the three months ended March 31, 2023 and 2022:

						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 March 31, 2023
External revenues						$	1,996.3					$	599.7					$	250.0					$	2,846.0					$	—					$	42.1					$	—					$	—					$	2,888.1
Intersegment revenues						—						—						—						—						—						124.1						—						(124.1)						—
Other operation and maintenance						380.8						113.7						24.7						519.2						—						17.8						(1.4)						(1.6)						534.0
Depreciation and amortization						207.3						58.5						10.4						276.2						—						42.7						5.1						(18.5)						305.5
Equity in earnings of transmission affiliates						—						—						—						—						43.8						—						—						—						43.8
Interest expense						150.6						21.6						4.2						176.4						4.8						19.9						55.6						(84.5)						172.2
Income tax expense (benefit)						65.9						42.0						11.2						119.1						9.7						(17.8)						(36.9)						—						74.1
Net income (loss)						257.5						113.1						33.2						403.8						29.3						88.3						(13.8)						—						507.6
Net income (loss) attributed to common shareholders						257.2						113.1						33.2						403.5						29.3						88.5						(13.8)						—						507.5

						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
Three Months Ended March 31, 2022
External revenues						$	1,942.3					$	682.1					$	240.9					$	2,865.3					$	—					$	42.6					$	0.2					$	—					$	2,908.1
Intersegment revenues						—						—						—						—						—						116.9						—						(116.9)						—
Other operation and maintenance						312.6						113.6						24.6						450.8						—						10.9						(5.7)						(1.6)						454.4
Depreciation and amortization						187.1						56.8						10.0						253.9						—						34.0						6.5						(16.3)						278.1
Equity in earnings of transmission affiliates						—						—						—						—						41.7						—						—						—						41.7
Interest expense						136.3						17.7						3.3						157.3						4.9						17.2						22.6						(84.4)						117.6
Income tax expense (benefit)						95.4						42.1						10.4						147.9						8.9						(4.9)						(24.8)						—						127.1
Net income						288.4						113.4						31.5						433.3						27.8						93.3						13.6						—						568.0
Net income attributed to common shareholders						288.1						113.4						31.5						433.0						27.8						91.5						13.6						—						565.9

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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 https://asc.fasb.org/extlink&oid=126901519&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 https://asc.fasb.org/extlink&oid=126901519&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 https://asc.fasb.org/extlink&oid=121556970&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 30
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8906-108599

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- References

No definition available.

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