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Conservative grid development planning and substation construction for PV in Ireland

Last update: 2021-07-02

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Grid regulation and infrastructure

Cost of RES grid access

Network planning standards in Ireland are considered conservative. Standards are based on the principle of “future capacity needs modelled on the basis of near-impossible circumstances of maximum renewable energy production”. However, the standards may lead to additional and unnecessary works for solar PV connections that are not considered necessary in other jurisdictions, thus creating additional cost.  

Apart from that, the use of containerised modular solutions with less construction cost and time are limited to 20kV and below. Instead, substation buidlings are made of bricks. This obligations creates unncessary additional costs, as containerised modular solutions have been successfully use in equipment rated for 38 kilovolts (kV) up to 40kV.

Tech //

Affected technologies

This online database provides information on barriers and best practices for wind onshore, wind offshore, PV rooftop and PV ground-mounted technologies.

Solar power

RES-E PV ground-mounted





Competent authorities

For Conservative grid development planning and substation construction for PV

Authority (Original name) Authority (English) Link
EirGrid (TSO)EirGridVisit
ESB NetworksESB NetworksVisit

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