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Portugal's power outage highlights need for EU funding to modernise grid

Portugal's power outage highlights need for EU funding to modernise grid

The blackout that occurred in Iberia in April demonstrated the need for European grids to be modernised to accommodate more renewable energy generation. Portugal's Energy Minister said on Wednesday that it wants EU funding to finance these investments.

The Energy Minister Maria da Graca Carvalho stated that renewable energy sources like wind and solar are more unpredictable and have a decentralised output, making it harder to manage.

She said: "The blackout showed that there was a need for more modernisation, digitalisation and data storage, to better understand the complex system, and to react to it."

She said, "It is a matter of security and it requires investment. We have asked the European Commission for guidance in Europe's investment as well as co-financing.

According to the Commission, to reach its clean energy targets by 2030, EU countries will need to invest 679 billion euros (584 billion euro) in expanding and modernising electricity grids.

In May, the European Grids Package was launched to gather inputs for its future. It is expected to be completed by the end 2025.

In a report published last week, the Spanish government stated that the grid operator Redeia miscalculated on April 28 the correct energy mix in the system. It also blamed thermal power plants, which use coal, gas, and nuclear for not maintaining an appropriate voltage. A spike in voltage caused a cascade to occur of power plant shutdowns, which ultimately led to an outage that reached Portugal.

The minister stated that the report was still unclear and Portugal awaited an independent report by the European Energy Regulators' Agency ACER in order to determine what caused the blackout and what needed to be done "to avoid future blackouts, and, if it occurs, to be able (to restart) the system more quickly".

(source: Reuters)