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INTANGIBLE ASSETS (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
INTANGIBLE ASSETS |  |  |
Cost | $ 5,726 | $ 5,535 |
Accumulated Amortization | (1,708) | (1,527) |
Net | 4,018 | 4,008 |
Amortization expenses |  |  |
Amortization expense for intangible assets | $ 483 | $ 348 | $ 294
Software |  |  |
INTANGIBLE ASSETS |  |  |
Weighted Average Amortization Rate (as a percent) | 10.90% | 12.00% |
Cost | $ 2,019 | $ 2,067 |
Accumulated Amortization | (1,042) | (1,148) |
Net | $ 977 | $ 919 |
Power purchase agreements |  |  |
INTANGIBLE ASSETS |  |  |
Weighted Average Amortization Rate (as a percent) | 4.20% | 4.50% |
Cost | $ 64 | $ 63 |
Accumulated Amortization | (23) | (21) |
Net | $ 41 | $ 42 |
Project agreement |  |  |
INTANGIBLE ASSETS |  |  |
Weighted Average Amortization Rate (as a percent) | 4.00% | 4.00% |
Cost | $ 163 | $ 152 |
Accumulated Amortization | (36) | (27) |
Net | $ 127 | $ 125 |
Customer relationships |  |  |
INTANGIBLE ASSETS |  |  |
Weighted Average Amortization Rate (as a percent) | 8.60% | 8.50% |
Cost | $ 2,701 | $ 2,532 |
Accumulated Amortization | (459) | (215) |
Net | $ 2,242 | $ 2,317 |
Other intangible assets |  |  |
INTANGIBLE ASSETS |  |  |
Weighted Average Amortization Rate (as a percent) | 5.90% | 3.90% |
Cost | $ 621 | $ 475 |
Accumulated Amortization | (148) | (116) |
Net | $ 473 | $ 359 |
Under development |  |  |
INTANGIBLE ASSETS |  |  |
Weighted Average Amortization Rate (as a percent) | 0.00% | 0.00% |
Cost | $ 158 | $ 246 |
Accumulated Amortization | 0 | 0 |
Net | $ 158 | $ 246 |

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