What is Spain's battery storage market?

Spain’s battery storage market is dominated by customer-sited systems. Utility-scale storage remains nascent. Currently, Spain’s storage market is mainly composed of small-scale batteries co-located with solar PV. Spain’s household electricity prices now stand at over EUR 0.30/kWh on average.

Why are battery storage options more suitable in Spain?

As a result, shorter duration storage options like batteries are more suitable in Spain. In Spain, over 50% of excess renewable energy occurs in periods where there is continuous excess for less than 12 hours i.e. a battery that chooses to charge on this energy would be able to discharge within 12 hours.

Is combining solar and storage a good idea in Spain?

This variability, combined with Spain’s excellent solar resources, make the economics of combining solar with storage increasingly favorable. The market for utility-scale batteries has been almost non-existent until recently as the market has lacked a clear policy and regulatory framework.

How much grid-scale storage will Spain have in 2025?

As of early 2025, Spain has roughly 1 GWh of grid-scale storage under construction, according to industry sources. This new wave of funding could accelerate the build-out, enabling developers, integrators, and OEMs to expand their footprint in one of Europe’s most promising emerging markets.

What revenue streams are available to battery energy storage systems?

Revenue Streams: The wholesale and ancillary service market (comprising over 5 revenue streams) is available to battery energy storage systems. Spain has approved plans to introduce a capacity market.

How many independent storage projects are awaiting grid connection?

According to IEA data, there are currently 540 GW of independent storage projects worldwide that are awaiting grid connection. The vast majority of these storage projects are still at an early stage or being explored.