The Sigma project will generate 430 gigawatt-hours (GWh) of clean electricity annually. Credit: Sopotnicki/Shutterstock.com.

Repsol has initiated electricity generation at its 204MW Sigma solar project in Andalusia, the southernmost autonomous community in peninsular Spain.  

The project in Jerez de la Frontera includes five individual solar plants. It is Repsol’s first renewable venture in the region. 

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The five solar plants, Arco 1, 2, 3, 4 and 5, have been connected to the grid and are in their commissioning phases.  

Together they will generate 430GWh of renewable energy annually, sufficient to power 43,000 households while removing 191,000 tonnes of CO₂ emissions. 

The Sigma project was built with an investment of €150m and created 500 jobs during its construction phase.  

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Following Kappa (126.6MW) in Manzanares (Ciudad Real) and Valdesolar (264MW) in the Extremadura municipality of Valdecaballeros (Badajoz), Sigma is the third solar photovoltaic project that Repsol has brought into operation in Spain. 

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With more than 2GW of wind, solar and hydroelectric power installed in the country, Repsol is advancing towards its strategic objective of 6GW of installed capacity by 2025.  

The company is also exploring renewable energy projects across the US, Chile, Portugal and Italy.  

It will choose the assets it will develop over the next ten years from its 60GW asset portfolio. 

In September 2023, Repsol agreed to acquire ConnectGen, a US renewables developer, from Quantum Capital Group for $768m. 

ConnectGen has a pipeline of 20GW of onshore wind, solar and energy storage projects, supporting its target of 20GW of renewable capacity by 2030.