Canary Islands' Battery Energy Storage System Project

Project Overview

• The Canary Islands' General Directorate of Energy announced a public consultation for a proposed battery energy storage system in Vega de San Mateo.
• The project is named 'BESS Sirius IX San Mateo.'
• It aims to install lithium-ion battery containers with:
  • a capacity of over 20 MWh
  • a peak power of 4.39 MW.
• Location details:
  • Situated on three parcels totaling just under 854 square meters.
  • Infrastructure includes four containers and an underground power evacuation line connecting to the local substation.
• Budget: approximately 2.4 million euros.
• Initial approval was granted in August 2025, with an update in November 2025 to change the location.

Purpose and Significance

The move reflects a broader push in the Canary Islands to embrace energy storage solutions, crucial for integrating more renewable sources and reducing reliance on fossil fuels.

• The project supports renewable energy efforts and grid stability.
• It aligns with Spain's initiatives to advance sustainable energy.

Public Consultation Details

• Duration: 30 days.
• Purpose: To allow individuals and companies to review project details and submit comments or objections.

Broader Context

• Part of Spain's efforts to promote renewable energy.
• The initiative aims to boost local sustainable energy efforts and support grid reliability through energy storage solutions.