Principles of the port of spain energy storage project

What pillars of the Spanish national strategy for storage system?

Hydraulic pumping and batteries must be the pillars of the Spanish national strategy for storage system. These 3 technologies have features that allow them to work with large volumes of energy at a low economic cost.

What is the storage strategy in Spain?

The results of this thesis demonstrate that the storage strategy in Spain must be based on the technologies of pumped hydro, batteries and deposits of molten salts as they are technologies that have features that allow them to work with large volumes of energy at a low economic cost.

Which energy systems in Spain contain molten salts?

In Spain, hybrid energy systems of CSP (Concentrated Solar Power) plants and thermal storage with molten salts are common. Below you can see the deposits that contain the molten salts of one of these plants. Figure 7.

How can we reduce energy prices in Spain?

Thus, avoiding the loss of energy that we stop using when capacity exceeds demand. Energy that we could use, for example, at times when the sun is not shining or the wind is not blowing, thus also reducing its price. Figure: Evolution of renewable projections in Spain. Source: Prepared by the authors.

How much electricity does Spain need?

The document considers an electricity demand of 243.7 TWh consumed throughout 2018. This value includes the demand for electricity from the peninsula, plus the demand for the link that connects Spain with the Balearic Islands.

How much does storage cost in Spain?

Namely, from 43 €/MWh (lower case) to 52.5 €/MWh and from 47 €/MWh (high case) to 56.5 €/MWh. This is comparable with the 67 €/MWh LCOH for the TES with retail charges. In Spain, subsidies for storage will be granted through four calls under the PERTE ERHA1 scheme.