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Leases (Tables) | 9 Months Ended
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Sep. 30, 2020
Leases [Abstract] |
Lease Cost | Lease expense was comprised of the following:
| Three months ended September 30, 2020 |  | Three months ended September 30, 2019 |  | Nine months ended September 30, 2020 |  | Nine months ended September 30, 2019
| (In millions)
Operating lease cost - Fixed | $ | 5 |  |  | $ | 2 |  |  | $ | 14 |  |  | $ | 6 |
Operating lease cost - Variable | 2 |  |  | 3 |  |  | 7 |  |  | 10 |
Total lease cost | $ | 7 |  |  | $ | 5 |  |  | $ | 21 |  |  | $ | 16 |
The Company lease liabilities as of September 30, 2020 and December 31, 2019 comprised of the following:
|  | September 30, 2020 |  | December 31, 2019
|  | (In millions, except term and rate)
ROU Assets - operating leases, net |  | $ | 256 |  | $ | 223
Short-term lease liability - operating leases (a) |  | 7 |  | 7
Long-term lease liability - operating leases |  | 260 |  | 227
Total lease liability |  | $ | 267 |  | $ | 234
Weighted average remaining lease term |  | 24 |  | 25
Weighted average discount rate |  | 4.3 | % |  | 4.4 | %
|  | Nine months ended September 30, 2020 |  | Nine months ended September 30, 2019
Cash paid for operating leases |  | $ | 13 |  |  | $ | 7
(a) Short-term lease liability balances are included within the accrued expenses and other current liabilities line item of the consolidated balance sheets as of September 30, 2020 and December 31, 2019.
Maturities of Operating Lease Liabilities | Maturities of operating lease liabilities as of September 30, 2020 are as follows:
(In millions) |  |
Remainder of 2020 |  | $ | 5 |
2021 |  | 18 |
2022 |  | 18 |
2023 |  | 18 |
2024 |  | 18 |
Thereafter |  | 332 |
Total lease payments |  | 409 |
Less imputed interest |  | (142) |
Total lease liability - operating leases |  | $ | 267 |
Revenue Related to Leases |
|  | Three months ended September 30, 2020
(In millions) |  | Conventional Generation |  | Renewables |  | Thermal |  | Total
Energy revenue |  | $ | 3 |  |  | $ | 153 |  |  | $ | — |  |  | $ | 156 |
Capacity revenue |  | 119 |  |  | — |  |  | — |  |  | 119 |
Operating revenue |  | $ | 122 |  |  | $ | 153 |  |  | $ | — |  |  | $ | 275 |
|  | Nine months ended September 30, 2020
(In millions) |  | Conventional Generation |  | Renewables |  | Thermal |  | Total
Energy revenue |  | $ | 6 |  |  | $ | 449 |  |  | $ | 1 |  |  | $ | 456 |
Capacity revenue |  | 338 |  |  | — |  |  | — |  |  | 338 |
Operating revenue |  | $ | 344 |  |  | $ | 449 |  |  | $ | 1 |  |  | $ | 794 |
|  | Three months ended September 30, 2019
(In millions) |  | Conventional Generation |  | Renewables |  | Thermal |  | Total
Energy revenue |  | $ | 2 |  |  | $ | 160 |  |  | $ | 1 |  |  | $ | 163 |
Capacity revenue |  | 89 |  |  | — |  |  | — |  |  | 89 |
Operating revenue |  | $ | 91 |  |  | $ | 160 |  |  | $ | 1 |  |  | $ | 252 |
|  | Nine months ended September 30, 2019
(In millions) |  | Conventional Generation |  | Renewables |  | Thermal |  | Total
Energy revenue |  | $ | 4 |  |  | $ | 416 |  |  | $ | 2 |  |  | $ | 422 |
Capacity revenue |  | 253 |  |  | — |  |  | — |  |  | 253 |
Operating revenue |  | $ | 257 |  |  | $ | 416 |  |  | $ | 2 |  |  | $ | 675 |
Minimum Future Rent Payments under Operating Leases | Minimum future rent payments under the operating leases for the remaining periods as of September 30, 2020.
(In millions) |
Remainder of 2020 | $ | 117 |
2021 | 444 |
2022 | 450 |
2023 | 259 |
2024 | 106 |
Thereafter | 1,605 |
Total lease payments | $ | 2,981 |
Future Minimum Lease Commitments Under Operating Leases | Property, plant and equipment, net related to the Company’s operating leases were as follows:
(In millions) | September 30, 2020 |  | December 31, 2019
Property, plant and equipment | $ | 6,975 |  |  | $ | 6,942 |
Accumulated depreciation | (1,854) |  |  | (1,649) |
Net property, plant and equipment | $ | 5,121 |  |  | $ | 5,293 |

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