Decision to approve CMP446: 'Increasing the lower threshold in England and Wales for Evaluation of Transmission Impact Assessment'

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We have decided to approve Workgroup Alternative CUSC Modification (WACM) 1 of CMP446 ‘Increasing the lower threshold in England and Wales for Evaluation of Transmission Impact Assessment’. 

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[CMP 446: Authority decision to approve WACM 1 [PDF, 185.44KB]

](https://www.ofgem.gov.uk/sites/default/files/2025-05/CMP446%20-%20Authority%20decision%20to%20approve%20WACM%201.pdf)

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