During Weeks 18 to 19, the average weekly price of Guarantees of Origin (GO) in the Spanish domestic market aligned with the EU OTC market. In Week 18, the average price of 2023 GOs increased by 10 to 20 Eurocents/MWh, but in Week 19, it decreased by approximately 20 Eurocents/MWh. However, the closing prices of Spanish domestic GOs at the end of Week 19 showed an increase across all electricity sources. The shortage of supply for 2024 GOs in the Spanish domestic market continued, primarily due to a cautious approach taken by generators who are adopting a wait-and-see stance in response to high market demand.
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