v3.20.2

Leases (Tables) | 9 Months Ended
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Sep. 30, 2020
Leases |
Schedule of operating lease information | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended September 30, | ​ | Nine Months Ended September 30,
​ | ​ | ​ | 2020 | ​ | ​ | 2019 | ​ | ​ | 2020 | ​ | ​ | 2019
Lease cost: (1) |  | ​ | ​ | ​ | ​ | ​ |  | ​ | ​ | ​ | ​ | ​
Operating lease cost | ​ | $ | 0.5 | ​ | $ | 0.5 | ​ | $ | 1.6 | ​ | $ | 1.3
Sublease income | ​ | ​ | (0.3) | ​ | ​ | (0.3) | ​ | ​ | (0.8) | ​ | ​ | (0.9)
Total lease cost | ​ | $ | 0.2 | ​ | $ | 0.2 | ​ | $ | 0.8 | ​ | $ | 0.4
(1) Short-term lease costs and finance lease costs are immaterial to the Company
Schedule of other information | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Lease | ​ | Income from | ​ | Net lease | ​
​ |  | Payments |  | subleasing |  | payments | ​
2020 | ​ | $ | 0.6 | ​ | $ | (0.3) | ​ | $ | 0.3 | ​
2021 | ​ | ​ | 2.0 | ​ | ​ | (1.1) | ​ | ​ | 0.9 |
2022 | ​ | ​ | 1.7 | ​ | ​ | (1.1) | ​ | ​ | 0.6 | ​
2023 | ​ | ​ | 1.2 | ​ | ​ | (0.7) | ​ | ​ | 0.5 | ​
2024 | ​ | ​ | 0.1 | ​ | ​ | — | ​ | ​ | 0.1 | ​
Thereafter | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​
Total operating lease payments | ​ | $ | 5.6 | ​ | $ | (3.2) | ​ | $ | 2.4 | ​
Less: present value discount | ​ | ​ | (0.2) | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total operating lease liabilities | ​ | $ | 5.4 | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Lease | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Payments |  | ​ | ​ |  | ​ | ​ | ​
2020 | ​ | $ | — | ​ | ​ | ​ | ​ | ​ | ​ | ​
2021 | ​ | ​ | 0.1 | ​ | ​ | ​ | ​ | ​ | ​ |
2022 | ​ | ​ | 0.1 | ​ | ​ | ​ | ​ | ​ | ​ | ​
Thereafter | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total finance lease payments | ​ | $ | 0.2 | ​ | ​ | ​ | ​ | ​ | ​ | ​
Less: amount representing interest | ​ | ​ | (0.1) | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total finance lease liabilities | ​ | $ | 0.1 | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Other Information: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Cash paid for amounts included in the measurement of lease liabilities (1): | ​ | ​ | ​ | ​ | ​ | ​ | ​
Operating cash flows from operating leases | ​ | $ | 0.8 | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average remaining lease term (in years): | ​
Operating leases | ​ | ​ | 2.9 | ​ | ​ | ​ | ​ | ​ | ​ | ​
Finance leases | ​ | ​ | 1.7 | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average discount rate - operating leases | ​ | ​ | 3.9 | % | ​ | ​ | ​ | ​ | ​ | ​
Weighted average discount rate - finance leases | ​ | ​ | 4.1 | % | ​ | ​ | ​ | ​ | ​ | ​
(1) Cash flows from finance leases are immaterial to the Company
Schedule of rental income from operating leases | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Rental Income from operating leases | ​ | Rental Income from operating leases | ​
​ | Three Months Ended | ​ | Nine Months Ended | ​
​ | September 30, | ​ | September 30, | ​
​ | 2020 | ​ | 2019 | ​ | 2020 | ​ | 2019 | ​
Solid Fuel | $ | 19.0 | ​ | $ | 26.1 | ​ | $ | 51.1 | ​ | $ | 64.4 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Natural Gas | ​ | 7.0 | ​ | ​ | 6.5 | ​ | ​ | 19.0 | ​ | ​ | 18.4 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Hydroelectric | ​ | 9.2 | ​ | ​ | 9.7 | ​ | ​ | 45.5 | ​ | ​ | 50.6 | ​
​ | $ | 35.2 | ​ | $ | 42.3 | ​ | $ | 115.6 | ​ | $ | 133.4 | ​

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