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OPERATING REVENUES | 3 Months Ended
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Mar. 31, 2019
Revenue from Contract with Customer [Abstract] |
OPERATING REVENUES | OPERATING REVENUES For more information about our significant accounting policies related to operating revenues, see Note 1(d), Operating Revenues, in our 2018 Annual Report on Form 10-K. Disaggregation of Operating Revenues The following tables present our operating revenues disaggregated by revenue source. We do not have any revenues associated with our electric transmission segment. We disaggregate revenues into categories that depict how the nature, amount, timing, and uncertainty of revenues and cash flows are affected by economic factors. For our segments, revenues are further disaggregated by electric and natural gas operations and then by customer class. Each customer class within our electric and natural gas operations have different expectations of service, energy and demand requirements, and are impacted by regulatory activities within their jurisdictions.
(in millions) |  | Wisconsin |  | Illinois |  | Other States |  | Total Utility Operations |  | Non-Utility Energy Infrastructure |  | Corporate and Other |  | Reconciling Eliminations |  | WEC Energy Group Consolidated
Three Months Ended March 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Electric |  | $ | 1,061.8 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,061.8 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 1,061.8 |
Natural gas |  | 564.9 |  |  | 544.6 |  |  | 185.2 |  |  | 1,294.7 |  |  | 16.4 |  |  | — |  |  | (14.7 | ) |  | 1,296.4 |
Total regulated revenues |  | 1,626.7 |  |  | 544.6 |  |  | 185.2 |  |  | 2,356.5 |  |  | 16.4 |  |  | — |  |  | (14.7 | ) |  | 2,358.2 |
Other non-utility revenues |  | — |  |  | 0.1 |  |  | 4.1 |  |  | 4.2 |  |  | 13.3 |  |  | 1.5 |  |  | (0.7 | ) |  | 18.3 |
Total revenues from contracts with customers |  | 1,626.7 |  |  | 544.7 |  |  | 189.3 |  |  | 2,360.7 |  |  | 29.7 |  |  | 1.5 |  |  | (15.4 | ) |  | 2,376.5 |
Other operating revenues |  | 6.7 |  |  | (8.2 | ) |  | (4.1 | ) |  | (5.6 | ) |  | 98.1 |  |  | 0.2 |  |  | (91.8 | ) |  | 0.9 |
Total operating revenues |  | $ | 1,633.4 |  |  | $ | 536.5 |  |  | $ | 185.2 |  |  | $ | 2,355.1 |  |  | $ | 127.8 |  |  | $ | 1.7 |  |  | $ | (107.2 | ) |  | $ | 2,377.4 |
(in millions) |  | Wisconsin |  | Illinois |  | Other States |  | Total Utility Operations |  | Non-Utility Energy Infrastructure |  | Corporate and Other |  | Reconciling Eliminations |  | WEC Energy Group Consolidated
Three Months Ended March 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Electric |  | $ | 1,067.7 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,067.7 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 1,067.7 |
Natural gas |  | 518.0 |  |  | 507.6 |  |  | 172.7 |  |  | 1,198.3 |  |  | 14.9 |  |  | — |  |  | (2.5 | ) |  | 1,210.7 |
Total regulated revenues |  | 1,585.7 |  |  | 507.6 |  |  | 172.7 |  |  | 2,266.0 |  |  | 14.9 |  |  | — |  |  | (2.5 | ) |  | 2,278.4 |
Other non-utility revenues |  | — |  |  | — |  |  | 3.9 |  |  | 3.9 |  |  | 7.1 |  |  | 1.3 |  |  | (0.7 | ) |  | 11.6 |
Total revenues from contracts with customers |  | 1,585.7 |  |  | 507.6 |  |  | 176.6 |  |  | 2,269.9 |  |  | 22.0 |  |  | 1.3 |  |  | (3.2 | ) |  | 2,290.0 |
Other operating revenues |  | 3.4 |  |  | (0.3 | ) |  | (6.7 | ) |  | (3.6 | ) |  | 96.1 |  |  | 0.1 |  |  | (96.1 | ) |  | (3.5 | )
Total operating revenues |  | $ | 1,589.1 |  |  | $ | 507.3 |  |  | $ | 169.9 |  |  | $ | 2,266.3 |  |  | $ | 118.1 |  |  | $ | 1.4 |  |  | $ | (99.3 | ) |  | $ | 2,286.5 |
Revenues from Contracts with Customers Electric Utility Operating Revenues The following table disaggregates electric utility operating revenues into customer class:
|  | Electric Utility Operating Revenues
|  | Three Months Ended March 31
(in millions) |  | 2019 |  | 2018
Residential |  | $ | 406.7 |  |  | $ | 384.3 |
Small commercial and industrial |  | 333.9 |  |  | 330.7 |
Large commercial and industrial |  | 212.3 |  |  | 203.9 |
Other |  | 7.8 |  |  | 7.7 |
Total retail revenues |  | 960.7 |  |  | 926.6 |
Wholesale |  | 47.7 |  |  | 54.9 |
Resale |  | 40.8 |  |  | 73.8 |
Steam |  | 10.1 |  |  | 9.7 |
Other utility revenues |  | 2.5 |  |  | 2.7 |
Total electric utility operating revenues |  | $ | 1,061.8 |  |  | $ | 1,067.7 |
Natural Gas Utility Operating Revenues The following tables disaggregate natural gas utility operating revenues into customer class:
(in millions) |  | Wisconsin |  | Illinois |  | Other States |  | Total Natural Gas Utility Operating Revenues
Three Months Ended March 31, 2019 |  |  |  |  |  |  |  |  |  |  |
Residential |  | $ | 383.9 |  |  | $ | 354.0 |  |  | $ | 125.2 |  |  | $ | 863.1 |
Commercial and industrial |  | 199.7 |  |  | 116.2 |  |  | 72.0 |  |  | 387.9 |
Total retail revenues |  | 583.6 |  |  | 470.2 |  |  | 197.2 |  |  | 1,251.0 |
Transport |  | 21.9 |  |  | 87.2 |  |  | 11.1 |  |  | 120.2 |
Other utility revenues * |  | (40.6 | ) |  | (12.8 | ) |  | (23.1 | ) |  | (76.5 | )
Total natural gas utility operating revenues |  | $ | 564.9 |  |  | $ | 544.6 |  |  | $ | 185.2 |  |  | $ | 1,294.7 |
(in millions) |  | Wisconsin |  | Illinois |  | Other States |  | Total Natural Gas Utility Operating Revenues
Three Months Ended March 31, 2018 |  |  |  |  |  |  |  |  |  |  |
Residential |  | $ | 356.7 |  |  | $ | 332.6 |  |  | $ | 123.2 |  |  | $ | 812.5 |
Commercial and industrial |  | 187.9 |  |  | 109.4 |  |  | 64.7 |  |  | 362.0 |
Total retail revenues |  | 544.6 |  |  | 442.0 |  |  | 187.9 |  |  | 1,174.5 |
Transport |  | 21.0 |  |  | 77.7 |  |  | 9.9 |  |  | 108.6 |
Other utility revenues * |  | (47.6 | ) |  | (12.1 | ) |  | (25.1 | ) |  | (84.8 | )
Total natural gas utility operating revenues |  | $ | 518.0 |  |  | $ | 507.6 |  |  | $ | 172.7 |  |  | $ | 1,198.3 |
* | Includes amounts refunded to customers for purchased gas adjustment costs.
Other Non-Utility Operating Revenues Other non-utility operating revenues consist primarily of the following:
|  | Three Months Ended March 31
(in millions) |  | 2019 |  | 2018
We Power revenues |  | $ | 6.4 |  |  | $ | 6.4 |
Appliance service revenues |  | 4.1 |  |  | 3.9 |
Distributed renewable solar project revenues |  | 1.5 |  |  | 1.3 |
Wind generation revenues |  | 6.2 |  |  | — |
Other |  | 0.1 |  |  | — |
Total other non-utility operating revenues |  | $ | 18.3 |  |  | $ | 11.6 |
As part of the construction of the We Power electric generating units, we capitalized interest during construction, which is included in property, plant, and equipment. As allowed by the PSCW, we collected carrying costs from WE's utility customers during construction. The equity portion of these carrying costs was recorded as deferred revenue, and we continually amortize the deferred revenues over the life of the related lease term that We Power has with WE. During both the three months ended March 31, 2019 and 2018, we recorded $6.4 million of revenue related to these deferred carrying costs, which were included in the contract liability balance at the beginning of the period. This contract liability is presented as deferred revenue, net on our balance sheets. In January 2019, we completed the acquisition of an 80% membership interest in Upstream. Upstream's revenue will be substantially fixed over a 10-year period through an agreement with an unaffiliated third party. See Note 2, Acquisitions, for more information on this acquisition. We recognize revenue as energy is produced and delivered to the customer within the production month. Other Operating Revenues Other operating revenues consist primarily of the following:
|  | Three Months Ended March 31
(in millions) |  | 2019 |  | 2018
Alternative revenues * |  | $ | (19.7 | ) |  | $ | (16.1 | )
Late payment charges |  | 13.2 |  |  | 11.4 |
Rental revenues |  | 7.4 |  |  | 1.2 |
Total other operating revenues |  | $ | 0.9 |  |  | $ | (3.5 | )
* | Negative amounts can result from alternative revenues being reversed to revenues from contracts with customers as the customer is billed for these alternative revenues. Negative amounts can also result from revenues to be refunded to customers subject to decoupling mechanisms and wholesale true-ups.

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI http://asc.fasb.org/topic&trid=49130388 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 + Details
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