Spain's Non-Integrated Renewable Energy Generation Surged 148.96% In January Due To Grid Congestion

Spain's non-integrated renewable energy generation surged 148.96% in January to 126 GWh due to grid congestion.

 

 

 

 

A report from the Spanish Renewable Energy Association in January showed that non-integrated renewable energy generation reached 126 GWh, a 148.96% increase from the previous month, mainly attributed to increased congestion at some grid nodes. Despite the significant monthly increase, this figure remains the second lowest since June 2025, far below the recent peak of 918 GWh reached in July 2025. To help manage fluctuations and grid congestion, many utilities have started deploying advanced 51.2v stacked series energy storage battery systems and energy storage battery stackable solutions.

 

Renewable energy accounted for 55.7% of Spain's total electricity generation in January, reaching 14,118 GWh. Wind power accounted for the largest share at 31.9%, followed by hydropower at 12.9% and solar power at 9.2%. National electricity demand increased by 4.9% year-on-year to 24,066 GWh, the highest January figure since 2020. High renewable energy penetration and consumption growth are jointly impacting system operation, technical limitations, and grid congestion management. The deployment of 300Ah, 400Ah, and 480Ah energy storage battery technologies, has provided critical support for stabilizing the grid.

 

The average daily price in the wholesale electricity market was €71.67 per MWh, a 24.3% decrease year-on-year. There were 85 periods with zero or negative electricity prices in the month, representing 2.9% of the cumulative total for 2026; and 265 periods with extremely low prices, ranging from €0 to €5 per MWh, representing 8.9% of the annual cumulative total. The peak power factor for photovoltaic power generation was 0.88, for hybrid power generation 0.87, for wind power 0.86, and for biomass power generation 1.04. The adjusted service price was €15.2 per MWh, a 22.6% decrease year-on-year. The Iberian power system's net exports were 1066.9 GWh. National demand for natural gas for power generation increased by 30% year-on-year, indicating increased use of combined cycle units as backup power. BLOO POWER continues to innovate in energy storage solutions to support this rapidly evolving market, improving both reliability and efficiency.