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POWER: Spanish-Portuguese Power Prices Decoupling on PV Capacity

POWER

The expansion of solar capacity in Spain has led to power prices decoupling from Portugal, despite sharing the same power market, with larger differences becoming more apparent, market participants said, cited by Montel.

  • the differences mostly occur during peak solar output – which causes the Spanish spot to fall, according to energy consultant Antonio Vidigal.
  • In the last year, 5.3% of hours had price differences between the two zones. Out of 464 decoupled hours, 405 saw higher prices in Portugal, according to Omie power exchange data.
  • This is due to Spain's PV capacity at 27GW, while Portugal just has 3GW of capacity, Vidigal added.
  • “Portugal should have about one-fifth of Spain’s solar capacity, but it has only one-tenth,” said Vidigal.

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