4.

Within six months of the date on which the last investment request was received by the national regulatory authorities concerned, the national regulatory authorities shall, after consulting the project promoters concerned, take coordinated decisions on the allocation of investment costs to be borne by each system operator for the project, as well as their inclusion in tariffs. The national regulatory authorities may decide to allocate only part of the costs, or may decide to allocate costs among a package of several projects of common interest. When allocating the costs, the national regulatory authorities shall take into account actual or estimated: congestion rents or other charges, revenues stemming from the inter-transmission system operator compensation mechanism established under Article 13 of Regulation (EC) No 714/2009. In deciding to allocate costs across borders, the economic, social and environmental costs and benefits of the projects in the Member States concerned and the possible need for financial support shall be taken into account. In deciding to allocate costs across borders, the relevant national regulatory authorities, in consultation with the TSOs concerned, shall seek a mutual agreement based on, but not limited to, the information specified in paragraph 3(a) and (b). If a project of common interest mitigates negative externalities, such as loop flows, and that project of common interest is implemented in the Member State at the origin of the negative externality, such mitigation shall not be regarded as a cross-border benefit and shall therefore not constitute a basis for allocating costs to the TSO of the Member States affected by those negative externalities.

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Source: EUR-Lex (Cellar) · retrieved 2026-10-30 · Text as adopted (Official Journal); later amendments are not incorporated in this text.