# Commission Regulation (EU) 2017/1485 of 2 August 2017 establishing a guideline on electricity transmission system operation (Text with EEA relevance), Article 105: Control area adequacy analysis

Extent: E+W+S+N.I.

1. Each TSO shall perform control area adequacy analysis by assessing the possibility for the sum of generation within its control area and cross-border import capabilities to meet the total load within its control area under various operational scenarios, taking into account the required level of active power reserves set out in Articles 118 and 119.
2. When performing a control area adequacy analysis pursuant to paragraph 1, each TSO shall:
(a) use the latest availability plans and the latest available data for:
(i)the capabilities of power generating modules provided pursuant to Article 43(5) and Articles 45 and 51;
(ii)cross-zonal capacity;
(iii)possible demand response provided pursuant to Articles 52 and 53;
(b) take into account the contributions of generation from renewable energy sources and load;
(c) assess the probability and expected duration of an absence of adequacy and the expected energy not supplied as a result of such absence.
3. As soon as possible, following the assessment of an absence of adequacy within its control area, each TSO shall notify the absence to the regulatory authority, and where applicable, any affected party.
4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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Source: https://www.legislation.gov.uk/eur/2017/1485/article/105 (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-1485/article-105
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.