v3.19.3.a.u2

Revenue from contracts | 12 Months Ended
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Dec. 31, 2019
Revenue from contracts |
Revenue from contracts | 4. Revenue from contracts Revenue, receivables and contract liabilities by segment consists of following:
|  | Year Ended December 31, 2019
|  |  |  |  |  |  |  |  |  |  |  |  | Consolidated
|  | Solid Fuel |  | Natural Gas |  | Hydroelectric |  | Corporate |  | Total
Project revenue: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Energy sales |  | $ | 41.1 |  | $ | 31.0 |  | $ | 65.9 | $ |  | — |  | $ | 138.0
Energy capacity revenue |  |  | 38.7 |  |  | 86.7 |  |  | — |  |  | — |  |  | 125.4
Steam energy and capacity revenue |  |  | — |  |  | 11.7 |  |  | — |  |  | — |  |  | 11.7
Waste heat revenue |  |  | 0.2 |  |  | — |  |  | — |  |  | — |  |  | 0.2
Ancillary and transmission services |  |  | — |  |  | 4.7 |  |  | 2.9 |  |  | — |  |  | 7.6
Asset management and operation |  |  | — |  |  | — |  |  | — |  |  | 1.0 |  |  | 1.0
Miscellaneous revenue |  |  | — |  |  | (2.3) |  |  | — |  |  | — |  |  | (2.3)
|  |  | 80.0 |  |  | 131.8 |  |  | 68.8 |  |  | 1.0 |  |  | 281.6
|  | Year Ended December 31, 2018
|  |  |  |  |  |  |  |  |  |  |  |  |  |  | Consolidated
|  |  | Solid Fuel |  |  | Natural Gas |  |  | Hydroelectric |  |  | Corporate |  |  | Total
Project revenue: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Energy sales |  | $ | 37.4 |  | $ | 38.3 |  | $ | 55.2 |  | $ | — |  | $ | 130.9
Energy capacity revenue |  |  | 41.6 |  |  | 56.3 |  |  | — |  |  | — |  |  | 97.9
Steam energy and capacity revenue |  |  | 0.1 |  |  | 15.6 |  |  | — |  |  | — |  |  | 15.7
Waste heat revenue |  |  | 0.2 |  |  | — |  |  | — |  |  | — |  |  | 0.2
Enhanced dispatch contracts |  |  | — |  |  | 23.9 |  |  | — |  |  | — |  |  | 23.9
Ancillary and transmission services |  |  | 4.5 |  |  | 5.4 |  |  | 3.1 |  |  | — |  |  | 13.0
Asset management and operation |  |  | — |  |  | — |  |  | — |  |  | 1.0 |  |  | 1.0
Miscellaneous revenue |  |  | — |  |  | (0.3) |  |  | — |  |  | — |  |  | (0.3)
|  |  | 83.8 |  |  | 139.2 |  |  | 58.3 |  |  | 1.0 |  |  | 282.3
Contract balances The following table provides information about receivables, contract assets and contract liabilities from contracts with customers.
|  | December 31, |  | December 31,
|  | 2019 |  | 2018
Accounts receivables |  | $ | 30.4 |  | $ | 35.7
Contract liabilities |  |  | 0.3 |  |  | 0.1
Contract liabilities as of December 31, 2019 include a $0.2 million fuel reserve fund at Dorchester and a $0.1 million steam sale credit at the San Diego plants. Contract liabilities as of December 31, 2018 include a $0.1 million steam sale credit at the San Diego plants.

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- References No definition available. + Details
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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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI http://asc.fasb.org/topic&trid=49130388 + Details
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