Home / Case Studies / Saft Li-ion batteries helps Gran Canaria’s STORE project to integrate renewables
Megawatt-scale Intensium® Max 20 + Energy Storage System (ESS) makes the most of the island’s existing infrastructure.
Endesa, part of the Enel Group and Spain’s largest utility, is one of the largest electric power companies in the world. In Gran Canaria, Endesa operates two large thermal power plants and operates the island’s transmission and distribution network. Endesa is leading the €11 million STORE project, part funded by the Spanish government’s Centre for the Development of Industrial Technology (CDTI) and partly by Endesa itself.
It aims to demonstrate how energy storage can maximize the integration of renewable energy (wind or photovoltaic) within utility networks and optimize the grid infrastructure.
A particular aim of the project is to show how ESS can address the problems inherent in isolated networks with low installed generation capacity, such as on Gran Canaria, where grid stability can be influenced by the intermittent nature of renewables, while conventional generation costs are higher than on the mainland due to variable costs such as fuel.
The project on Gran Canaria is demonstrating the technical and economic viability of large-scale energy storage as a solution for three main challenges:
The Canary Islands were selected because of the difficulty of upgrading their remote electrical infrastructure together with the higher penetration of renewable energies into the grid.
Saft has delivered a fully integrated turnkey ESS based on Intensium® Max 20 + containerised systems tailored to meet Endesa’s power, energy and voltage window requirements.
Key features include:
Energy storage is one of the new paradigms that will determine the direction of the electricity business in the medium term. The constant growth in renewable energy generation on the Canary Islands places a much greater load on their transmission infrastructures and electrical distribution, while the nature of the local geography makes it extremely difficult to carry out traditional upgrading projects. Installing Saft’s ESS on Gran Canaria is an ideal opportunity to evaluate the technical and economic viability of this innovative solution by making reserves of energy available in isolated locations, distribution substations and even for energy arbitrage.Pablo Fontela Martinez, Project Manager STORE, Endesa
The Saft system is now enabling Endesa to store and dispatch energy on Gran Canaria with a number of important benefits:
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