Grid development

Updated: 06.02.2019

Author: Moïra Jimeno

General development of the grid. Plant operators are not entitled to develop the grid. The grid operator has the general obligation to develop the grid (art. 30 DL 29/2006 amended by L 42/2016).  

Entitled party. Although RES-E producers are entitled against the grid operator to the connection of their plants, they are not entitled to the development of the grid (art. 12 DL 215-A/2012).

Obligated party. The grid operator is not legally required to develop the grid. However, he has the general obligation to develop the grid when it is required for the connection of RES-E plants (art. 30 DL 29/2006 amended by L 42/2016)  

Distribution of costs

Consumers

The regulator includes the costs of already implemented grid upgrades in the charges to be paid by the final consumers. In other words, grid development costs are included a posteriori.

Grid operator

In general, the grid operator shall bear the cost of a grid development.

Distribution mechanism

Investment costs are taken into consideration when setting the tariff for the use of the grid. 

Grid studies

The National Transmission Grid Development and Investment Plan (PDIRT) for the period 2018-2027 can be downloaded at: 

www.erse.pt/pt/consultaspublicas/consultas/Documents/64_1/PDIRT%202018-2027%20-%20junho%202017%20-%20Relat%C3%B3rio.pdf

Portugal

Further information

  • Rede Eléctrica Nacional, S.A. (REN) – Concession holder of the National Electricity Transmission Grid (RNT)
  • + 351 210 013 500
  • REN website

Basic information on legal sources